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Tharumakunarajah R, Lee A, Hawcutt DB, Harman NL, Sinha IP. The Impact of Malnutrition on the Developing Lung and Long-Term Lung Health: A Narrative Review of Global Literature. Pulm Ther 2024; 10:155-170. [PMID: 38758409 PMCID: PMC11282003 DOI: 10.1007/s41030-024-00257-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/12/2024] [Indexed: 05/18/2024] Open
Abstract
Worldwide, over 2 billion children under the age of 5 experience stunting, wasting, or are underweight. Malnutrition contributes to 45% of all deaths in this age group (approximately 3.1 million deaths) [1]. Poverty, food insecurity, suboptimal feeding practices, climate change, and conflict are all contributing factors. Malnutrition causes significant respiratory problems, including increased risk of respiratory infections, impaired lung function, and increased risk of subsequent adult respiratory disease, including asthma, COPD, and lung cancer. Childhood malnutrition not only has serious consequences for children's health but it also has numerous consequences on wellbeing and educational attainment. Childhood malnutrition is a complex and multifaceted problem. However, by understanding and addressing the underlying causes, and investing in prevention and treatment programs, it is possible to maximize children's health and wellbeing on a global scale. This narrative review will focus on the impact of childhood malnutrition on lung development, the consequent respiratory disease, and what actions can be taken to reduce the burden of malnutrition on lung health.
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Affiliation(s)
- Ramiyya Tharumakunarajah
- Royal Preston Hospital, Lancashire Teaching Hospitals NHS Foundation Trust, Preston, UK
- Health Data Science, University of Liverpool, Institute of Population Health, Block F Waterhouse Building, Liverpool, UK
| | - Alice Lee
- Department of Women's and Children's Health, University of Liverpool, Liverpool, UK
- Department of Respiratory Paediatrics, Alder Hey Children's Hospital, Liverpool, UK
| | - Daniel B Hawcutt
- Department of Women's and Children's Health, University of Liverpool, Liverpool, UK
- NIHR Alder Hey Clinical Research Facility, Alder Hey Children's Hospital, Liverpool, UK
| | - Nicola L Harman
- Health Data Science, University of Liverpool, Institute of Population Health, Block F Waterhouse Building, Liverpool, UK
| | - Ian P Sinha
- Department of Respiratory Paediatrics, Alder Hey Children's Hospital, Liverpool, UK.
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Chang JL, Goldberg AN, Alt JA, Alzoubaidi M, Ashbrook L, Auckley D, Ayappa I, Bakhtiar H, Barrera JE, Bartley BL, Billings ME, Boon MS, Bosschieter P, Braverman I, Brodie K, Cabrera-Muffly C, Caesar R, Cahali MB, Cai Y, Cao M, Capasso R, Caples SM, Chahine LM, Chang CP, Chang KW, Chaudhary N, Cheong CSJ, Chowdhuri S, Cistulli PA, Claman D, Collen J, Coughlin KC, Creamer J, Davis EM, Dupuy-McCauley KL, Durr ML, Dutt M, Ali ME, Elkassabany NM, Epstein LJ, Fiala JA, Freedman N, Gill K, Boyd Gillespie M, Golisch L, Gooneratne N, Gottlieb DJ, Green KK, Gulati A, Gurubhagavatula I, Hayward N, Hoff PT, Hoffmann OM, Holfinger SJ, Hsia J, Huntley C, Huoh KC, Huyett P, Inala S, Ishman SL, Jella TK, Jobanputra AM, Johnson AP, Junna MR, Kado JT, Kaffenberger TM, Kapur VK, Kezirian EJ, Khan M, Kirsch DB, Kominsky A, Kryger M, Krystal AD, Kushida CA, Kuzniar TJ, Lam DJ, Lettieri CJ, Lim DC, Lin HC, Liu SY, MacKay SG, Magalang UJ, Malhotra A, Mansukhani MP, Maurer JT, May AM, Mitchell RB, Mokhlesi B, Mullins AE, Nada EM, Naik S, Nokes B, Olson MD, Pack AI, Pang EB, Pang KP, Patil SP, Van de Perck E, Piccirillo JF, Pien GW, et alChang JL, Goldberg AN, Alt JA, Alzoubaidi M, Ashbrook L, Auckley D, Ayappa I, Bakhtiar H, Barrera JE, Bartley BL, Billings ME, Boon MS, Bosschieter P, Braverman I, Brodie K, Cabrera-Muffly C, Caesar R, Cahali MB, Cai Y, Cao M, Capasso R, Caples SM, Chahine LM, Chang CP, Chang KW, Chaudhary N, Cheong CSJ, Chowdhuri S, Cistulli PA, Claman D, Collen J, Coughlin KC, Creamer J, Davis EM, Dupuy-McCauley KL, Durr ML, Dutt M, Ali ME, Elkassabany NM, Epstein LJ, Fiala JA, Freedman N, Gill K, Boyd Gillespie M, Golisch L, Gooneratne N, Gottlieb DJ, Green KK, Gulati A, Gurubhagavatula I, Hayward N, Hoff PT, Hoffmann OM, Holfinger SJ, Hsia J, Huntley C, Huoh KC, Huyett P, Inala S, Ishman SL, Jella TK, Jobanputra AM, Johnson AP, Junna MR, Kado JT, Kaffenberger TM, Kapur VK, Kezirian EJ, Khan M, Kirsch DB, Kominsky A, Kryger M, Krystal AD, Kushida CA, Kuzniar TJ, Lam DJ, Lettieri CJ, Lim DC, Lin HC, Liu SY, MacKay SG, Magalang UJ, Malhotra A, Mansukhani MP, Maurer JT, May AM, Mitchell RB, Mokhlesi B, Mullins AE, Nada EM, Naik S, Nokes B, Olson MD, Pack AI, Pang EB, Pang KP, Patil SP, Van de Perck E, Piccirillo JF, Pien GW, Piper AJ, Plawecki A, Quigg M, Ravesloot MJ, Redline S, Rotenberg BW, Ryden A, Sarmiento KF, Sbeih F, Schell AE, Schmickl CN, Schotland HM, Schwab RJ, Seo J, Shah N, Shelgikar AV, Shochat I, Soose RJ, Steele TO, Stephens E, Stepnowsky C, Strohl KP, Sutherland K, Suurna MV, Thaler E, Thapa S, Vanderveken OM, de Vries N, Weaver EM, Weir ID, Wolfe LF, Tucker Woodson B, Won CH, Xu J, Yalamanchi P, Yaremchuk K, Yeghiazarians Y, Yu JL, Zeidler M, Rosen IM. International Consensus Statement on Obstructive Sleep Apnea. Int Forum Allergy Rhinol 2023; 13:1061-1482. [PMID: 36068685 PMCID: PMC10359192 DOI: 10.1002/alr.23079] [Show More Authors] [Citation(s) in RCA: 126] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 08/12/2022] [Accepted: 08/18/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND Evaluation and interpretation of the literature on obstructive sleep apnea (OSA) allows for consolidation and determination of the key factors important for clinical management of the adult OSA patient. Toward this goal, an international collaborative of multidisciplinary experts in sleep apnea evaluation and treatment have produced the International Consensus statement on Obstructive Sleep Apnea (ICS:OSA). METHODS Using previously defined methodology, focal topics in OSA were assigned as literature review (LR), evidence-based review (EBR), or evidence-based review with recommendations (EBR-R) formats. Each topic incorporated the available and relevant evidence which was summarized and graded on study quality. Each topic and section underwent iterative review and the ICS:OSA was created and reviewed by all authors for consensus. RESULTS The ICS:OSA addresses OSA syndrome definitions, pathophysiology, epidemiology, risk factors for disease, screening methods, diagnostic testing types, multiple treatment modalities, and effects of OSA treatment on multiple OSA-associated comorbidities. Specific focus on outcomes with positive airway pressure (PAP) and surgical treatments were evaluated. CONCLUSION This review of the literature consolidates the available knowledge and identifies the limitations of the current evidence on OSA. This effort aims to create a resource for OSA evidence-based practice and identify future research needs. Knowledge gaps and research opportunities include improving the metrics of OSA disease, determining the optimal OSA screening paradigms, developing strategies for PAP adherence and longitudinal care, enhancing selection of PAP alternatives and surgery, understanding health risk outcomes, and translating evidence into individualized approaches to therapy.
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Affiliation(s)
- Jolie L. Chang
- University of California, San Francisco, California, USA
| | | | | | | | - Liza Ashbrook
- University of California, San Francisco, California, USA
| | | | - Indu Ayappa
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | - Maurits S. Boon
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Pien Bosschieter
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | - Itzhak Braverman
- Hillel Yaffe Medical Center, Hadera Technion, Faculty of Medicine, Hadera, Israel
| | - Kara Brodie
- University of California, San Francisco, California, USA
| | | | - Ray Caesar
- Stone Oak Orthodontics, San Antonio, Texas, USA
| | | | - Yi Cai
- University of California, San Francisco, California, USA
| | | | | | | | | | | | | | | | | | - Susmita Chowdhuri
- Wayne State University and John D. Dingell VA Medical Center, Detroit, Michigan, USA
| | - Peter A. Cistulli
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - David Claman
- University of California, San Francisco, California, USA
| | - Jacob Collen
- Uniformed Services University, Bethesda, Maryland, USA
| | | | | | - Eric M. Davis
- University of Virginia, Charlottesville, Virginia, USA
| | | | | | - Mohan Dutt
- University of Michigan, Ann Arbor, Michigan, USA
| | - Mazen El Ali
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | | | | | | | - Kirat Gill
- Stanford University, Palo Alto, California, USA
| | | | - Lea Golisch
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | | | | | - Arushi Gulati
- University of California, San Francisco, California, USA
| | | | | | - Paul T. Hoff
- University of Michigan, Ann Arbor, Michigan, USA
| | - Oliver M.G. Hoffmann
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | - Jennifer Hsia
- University of Minnesota, Minneapolis, Minnesota, USA
| | - Colin Huntley
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | | | | | - Sanjana Inala
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | | | | | | | | | | | - Meena Khan
- Ohio State University, Columbus, Ohio, USA
| | | | - Alan Kominsky
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | - Meir Kryger
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Derek J. Lam
- Oregon Health and Science University, Portland, Oregon, USA
| | | | | | | | | | | | | | - Atul Malhotra
- University of California, San Diego, California, USA
| | | | - Joachim T. Maurer
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | - Anna M. May
- Case Western Reserve University, Cleveland, Ohio, USA
| | - Ron B. Mitchell
- University of Texas, Southwestern and Children’s Medical Center Dallas, Texas, USA
| | | | | | | | | | - Brandon Nokes
- University of California, San Diego, California, USA
| | | | - Allan I. Pack
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | | | | | | | | | | | | | | | - Mark Quigg
- University of Virginia, Charlottesville, Virginia, USA
| | | | - Susan Redline
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Armand Ryden
- Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California, USA
| | | | - Firas Sbeih
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | | | | | | | | | - Jiyeon Seo
- University of California, Los Angeles, California, USA
| | - Neomi Shah
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | - Ryan J. Soose
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Erika Stephens
- University of California, San Francisco, California, USA
| | | | | | | | | | - Erica Thaler
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Sritika Thapa
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Nico de Vries
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | | | - Ian D. Weir
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Josie Xu
- University of Toronto, Ontario, Canada
| | | | | | | | | | | | - Ilene M. Rosen
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Moreno-Fernandez J, Ochoa J, Ojeda ML, Nogales F, Carreras O, Díaz-Castro J. Inflammation and oxidative stress, the links between obesity and COVID-19: a narrative review. J Physiol Biochem 2022; 78:581-591. [PMID: 35316507 PMCID: PMC8938224 DOI: 10.1007/s13105-022-00887-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 03/03/2022] [Indexed: 02/06/2023]
Abstract
COVID-19, an acute respiratory disease caused by SARS-CoV-2, has rapidly become a pandemic. On the other hand, obesity is also reaching dramatic dimensions and it is a risk factor for morbidity and premature mortality. Obesity has been linked to a high risk of serious-associated complications to COVID-19, due to the increased risk of concomitant chronic diseases, which highlights the health public relevance of the topic. Obese subjects have a pro-inflammatory environment, which can further exacerbate COVID-19-induced inflammation and oxidative stress, explaining the increased risk of serious complications in these patients. Another factor that favors infection in obese patients is the high expression of ACE2 receptors in the adipose tissue. The negative impact of COVID-19 in obesity is also associated with a decrease in respiratory function, the concurrence of multiple comorbidities, a low-degree chronic inflammatory state, immunocompromised situation, and therefore a higher rate of hospitalization, mechanical ventilation, in-hospital complications such as pneumonia, and death. In this review, the link between obesity and COVID-19 was analyzed, exploring the potential common mechanisms in both diseases, with special attention to oxidative stress and inflammation, due to the crucial role of both pathways in the development of the disease.
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Affiliation(s)
- Jorge Moreno-Fernandez
- Department of Physiology, University of Granada, Granada, Spain.
- Institute of Nutrition and Food Technology "José Mataix Verdú", University of Granada, Avenida del Conocimiento s/n, , 18071, Armilla, Granada, Spain.
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, Seville, Spain.
- Instituto de Investigación Biosanitaria (IBS), 18016, Granada, Spain.
| | - Julio Ochoa
- Department of Physiology, University of Granada, Granada, Spain.
- Institute of Nutrition and Food Technology "José Mataix Verdú", University of Granada, Avenida del Conocimiento s/n, , 18071, Armilla, Granada, Spain.
| | - María Luisa Ojeda
- Department of Physiology, University of Seville University, Seville, Spain
| | - Fátima Nogales
- Department of Physiology, University of Seville University, Seville, Spain
| | - Olimpia Carreras
- Department of Physiology, University of Seville University, Seville, Spain
| | - Javier Díaz-Castro
- Department of Physiology, University of Granada, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix Verdú", University of Granada, Avenida del Conocimiento s/n, , 18071, Armilla, Granada, Spain
- Instituto de Investigación Biosanitaria (IBS), 18016, Granada, Spain
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Huang YC, Huang SH, Chung RJ, Wang BL, Chung CH, Chien WC, Sun CA, Yu PC, Lu CH. Obese Patients Experience More Severe CSA than Non-Obese Patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19031289. [PMID: 35162313 PMCID: PMC8835470 DOI: 10.3390/ijerph19031289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 12/04/2022]
Abstract
Objective: To investigate whether central sleep apnea (CSA) is associated with an increased risk of obesity. Materials and methods: From 1 January 2000 to 31 December 2015, we screened 24,363 obese patients from the 2005 longitudinal health insurance database, which is part of the Taiwan National Health Insurance Research Database. From the same database, 97,452 non-obese patients were also screened out. Age, gender, and index dates were matched. Multiple logistic regression was used to analyze the previous exposure risk of obese and CSA patients. A p-value of <0.05 was considered significant. Results: Obese patients were more likely to be exposed to CSA than non-obese patients would (AOR = 2.234, 95% CI = 1.483–4.380, p < 0.001). In addition, the closeness of the exposure time to the index time is positively correlated with the severity of obesity and has a dose–response effect (CSA exposure < 1 year, AOR = 2.386; CSA exposure ≥ 1 year and <5 years, AOR = 1.725; CSA exposure time ≥ 5 years, AOR = 1.422). The CSA exposure time of obese patients was 1.693 times that of non-obese patients. Longer exposure time is associated with more severe obesity and has a dose-response effect (CSA exposure < 1 year, AOR = 1.420; CSA exposure ≥ 1 year and <5 years, AOR = 2.240; CSA ≥ 5 years, AOR = 2.863). Conclusions: In this case-control study, patients with CSA had a significantly increased risk of obesity. Long-term exposure to CSA and obesity is more likely and has a dose-response effect.
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Affiliation(s)
- Yao-Ching Huang
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; (Y.-C.H.); (S.-H.H.); (R.-J.C.)
- Department of Medical Research, Tri-Service General Hospital, Taipei 11490, Taiwan;
| | - Shi-Hao Huang
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; (Y.-C.H.); (S.-H.H.); (R.-J.C.)
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; (Y.-C.H.); (S.-H.H.); (R.-J.C.)
| | - Bing-Long Wang
- School of Public Health, National Defense Medical Center, Taipei 11490, Taiwan;
| | - Chi-Hsiang Chung
- Department of Medical Research, Tri-Service General Hospital, Taipei 11490, Taiwan;
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 11490, Taiwan
- Taiwanese Injury Prevention and Safety Promotion Association (TIPSPA), Taipei 11490, Taiwan
| | - Wu-Chien Chien
- Department of Medical Research, Tri-Service General Hospital, Taipei 11490, Taiwan;
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 11490, Taiwan
- Taiwanese Injury Prevention and Safety Promotion Association (TIPSPA), Taipei 11490, Taiwan
- Correspondence: (W.-C.C.); (C.-H.L.)
| | - Chien-An Sun
- Department of Public Health, College of Medicine, Fu-Jen Catholic University, New Taipei City 242062, Taiwan;
- Big Data Center, College of Medicine, Fu-Jen Catholic University, New Taipei City 242062, Taiwan
| | - Pi-Ching Yu
- Graduate Institute of Medicine, National Defense Medical Center, Taipei 11490, Taiwan;
- Cardiovascular Intersive Care Unit, Department of Critical Care Medicine, Far-Eastern Memorial Hospital, New Taipei City 10602, Taiwan
| | - Chieh-Hua Lu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, School of Medicine, National Defense Medical Center, Taipei 11490, Taiwan
- Correspondence: (W.-C.C.); (C.-H.L.)
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Herkenrath SD, Treml M, Hagmeyer L, Matthes S, Randerath WJ. Severity stages of obesity-related breathing disorders - a cross-sectional cohort study. Sleep Med 2022; 90:9-16. [PMID: 35051737 DOI: 10.1016/j.sleep.2021.12.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 11/16/2022]
Abstract
INTRODUCTION There is a general underappreciation of the spectrum of obesity-related breathing disorders and their consequences. We therefore compared characteristics of obese patients with eucapnic obstructive sleep apnea (OSA), OSA with obesity-related sleep hypoventilation (ORSH) or obesity hypoventilation syndrome (OHS) to identify the major determinants of hypoventilation. PATIENTS AND METHODS In this prospective, diagnostic study (NCT04570540), obese patients with OSA, ORSH or OHS were characterized applying polysomnography with transcutaneous capnometry, blood gas analyses, bodyplethysmography and measurement of hypercapnic ventilatory response (HCVR). Pathophysiological variables known to contribute to hypoventilation and differing significantly between the groups were specified as potential independent variables in a multivariable logistic regression to identify major determinants of hypoventilation. RESULTS Twenty, 43 and 19 patients were in the OSA, ORSH and OHS group, respectively. BMI was significantly lower in OSA as compared to OHS. The extent of SRBD was significantly higher in OHS as compared to OSA or ORSH. Patients with ORSH or OHS showed a significantly decreased forced expiratory volume in 1 s and forced vital capacity compared to OSA. HCVR was significantly lower in OHS and identified as the major determinant of hypoventilation in a multivariable logistic regression (Nagelkerke R2 = 0.346, p = 0.050, odds ratio (95%-confidence interval) 0.129 (0.017-1.004)). CONCLUSION Although there were differences in BMI, respiratory mechanics and severity of upper airway obstruction between groups, our data support HCVR as the major determinant of obesity-associated hypoventilation.
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Affiliation(s)
- Simon D Herkenrath
- Bethanien Hospital, Clinic for Pneumology and Allergology, Center for Sleep Medicine and Respiratory Care, Solingen, Germany; Institute for Pneumology at the University of Cologne, Germany
| | - Marcel Treml
- Institute for Pneumology at the University of Cologne, Germany
| | - Lars Hagmeyer
- Bethanien Hospital, Clinic for Pneumology and Allergology, Center for Sleep Medicine and Respiratory Care, Solingen, Germany; Institute for Pneumology at the University of Cologne, Germany
| | - Sandhya Matthes
- Bethanien Hospital, Clinic for Pneumology and Allergology, Center for Sleep Medicine and Respiratory Care, Solingen, Germany
| | - Winfried J Randerath
- Bethanien Hospital, Clinic for Pneumology and Allergology, Center for Sleep Medicine and Respiratory Care, Solingen, Germany; Institute for Pneumology at the University of Cologne, Germany.
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Kaw R, Wong J, Mokhlesi B. Obesity and Obesity Hypoventilation, Sleep Hypoventilation, and Postoperative Respiratory Failure. Anesth Analg 2021; 132:1265-1273. [PMID: 33857968 DOI: 10.1213/ane.0000000000005352] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Obesity hypoventilation syndrome (OHS) is considered as a diagnosis in obese patients (body mass index [BMI] ≥30 kg/m2) who also have sleep-disordered breathing and awake diurnal hypercapnia in the absence of other causes of hypoventilation. Patients with OHS have a higher burden of medical comorbidities as compared to those with obstructive sleep apnea (OSA). This places patients with OHS at higher risk for adverse postoperative events. Obese patients and those with OSA undergoing elective noncardiac surgery are not routinely screened for OHS. Screening for OHS would require additional preoperative evaluation of morbidly obese patients with severe OSA and suspicion of hypoventilation or resting hypoxemia. Cautious selection of the type of anesthesia, use of apneic oxygenation with high-flow nasal cannula during laryngoscopy, better monitoring in the postanesthesia care unit (PACU) can help minimize adverse perioperative events. Among other risk-reduction strategies are proper patient positioning, especially during intubation and extubation, multimodal analgesia, and cautious use of postoperative supplemental oxygen.
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Affiliation(s)
- Roop Kaw
- From the Departments of Hospital Medicine and Outcomes Research, Anesthesiology, Cleveland Clinic, Cleveland, Ohio
| | - Jean Wong
- Department of Anesthesiology and Pain Medicine, Toronto Western Hospital.,Department of Anesthesiology and Pain Medicine, Women's College Hospital.,University Health Network, University of Toronto, Ontario, Canada
| | - Babak Mokhlesi
- Department of Medicine, University of Chicago, Chicago, Illinois
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Abstract
Obesity hypoventilation syndrome is the most frequent cause of chronic hypoventilation and is increasingly more common with rising obesity rates. It leads to considerable morbidity and mortality, particularly when not recognized and treated adequately. Long-term nocturnal noninvasive ventilation is the mainstay of treatment but evidence suggests that CPAP may be effective in stable patients. Specific perioperative management is required to reduce complications. Some unique syndromes associated with obesity and hypoventilation include rapid-onset obesity with hypoventilation, hypothalamic, autonomic dysregulation (ROHHAD), and Prader-Willi syndrome. Congenital central hypoventilation syndrome (early or late-onset) is a genetic disorder resulting in hypoventilation. Several acquired causes of chronic central hypoventilation also exist. A high level of clinical suspicion is required to appropriately diagnose and manage affected patients.
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Keskin N, Keskin S. Association between adenotonsillar hypertrophy and leptin, ghrelin and IGF-1 levels in children. Auris Nasus Larynx 2020; 48:248-254. [PMID: 32826092 DOI: 10.1016/j.anl.2020.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 07/11/2020] [Accepted: 08/03/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Developmental and growth retardation is a condition that is often encountered among children with adenotonsillar hypertrophy (ATH). Leptin, ghrelin and IGF-1 are important factors in growth and development for children. The aim of the study was to investigate serum leptin, ghrelin and IGF-1 levels in children with ATH compare with healthy controls. MATERIAL METHOD 82 children between ages 6-12 were included in this study, divided into two groups. The first group being the study-group consisted of 42 children with obstructive adenotonsillar hypertrophy and the second group being the control-group consisted of 40 healthy children. At 08:30 a.m., peripheral blood samples were extracted from children from both groups to examine the serum levels, and kept in -40 °C until the Elisa test. RESULTS Leptin serum level of the control-group was found to be statistically significantly higher than the serum leptin level of the ATH group (p = 0,049; p < 0.05). Body mass indexes of the children with ATH were found to be statistically significantly lower than the body mass index (BMI) of the control group (p = 0,001; p < 0.05). In contrast, there was no statistically significant difference between ghrelin and IGF-1 levels between the ATH and control group (p = 0.193, p > 0.05 and p = 0.478, p > 0.05, respectively). CONCLUSION Upper airway infections are common in children with ATH. Increased airway infections and obstructive enlarged adenotonsillar lymphoid tissue which are caused swallowing difficulties can lead to reduced oral intake and fat tissue. It has led us to think that, ghrelin levels may be increasing secondary to these problems in children with ATH. Furthermore, BMI and leptin would be lower in children with ATH, considering adipose tissue was lesser and leptin was being synthesized and oscillated out of the fat cells of the tissue in these children.
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Affiliation(s)
- Nurşen Keskin
- Health Science University Zeynep Kamil Health Practice and Research Center, Child Health and Diseases Clinic, Uskudar, Istanbul, Turkey
| | - Serhan Keskin
- Sancaktepe Şehit Prof. Dr. İlhan Varank Training and Research Hospital, Ear, Nose and Throat Clinic, Istanbul, Turkey.
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10
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Perioperative management of OSA in the obese patient population. Int Anesthesiol Clin 2020; 58:47-52. [PMID: 32282579 DOI: 10.1097/aia.0000000000000282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kimura Y, Kasai T, Tomita Y, Kasagi S, Takaya H, Kato M, Kawana F, Narui K. Relationship between metabolic syndrome and hypercapnia among obese patients with sleep apnea. World J Respirol 2020; 10:1-10. [DOI: 10.5320/wjr.v10.i1.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 12/16/2019] [Accepted: 12/23/2019] [Indexed: 02/06/2023] Open
Affiliation(s)
- Yuka Kimura
- Sleep Center, Clinical Physiology, Toranomon Hospital, Tokyo 105-8470, Japan
| | - Takatoshi Kasai
- Department of Cardiovascular Medicine, Cardiovascular Respiratory Sleep Medicine, Juntendo University Graduate School of Medicine; Sleep and Sleep Disordered Breathing Center, Juntendo University Hospital, Tokyo 113-8421, Japan
| | - Yasuhiro Tomita
- Sleep Center, Cardiovascular Center, Toranomon Hospital, Tokyo 105-8470, Japan
- Department of Cardiovascular Medicine, Juntendo University Graduate School of Medicine, Tokyo 113-8421, Japan
| | | | - Hisashi Takaya
- Sleep Center, and Department of Respiratory Medicine, Respiratory Center, Toranomon Hospital, Tokyo 105-8470, Japan
| | - Mitsue Kato
- Cardiovascular Respiratory Sleep Medicine, Juntendo University Graduate School of Medicine, Tokyo 113-8421, Japan
| | - Fusae Kawana
- Cardiovascular Respiratory Sleep Medicine, Juntendo University Graduate School of Medicine, Tokyo 113-8421, Japan
| | - Koji Narui
- Sleep Center, Toranomon Hospital, Tokyo 105-8470, Japan
- Cardiovascular Respiratory Sleep Medicine, Juntendo University Graduate School of Medicine, Tokyo 113-8421, Japan
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Mashaqi S, Badr MS. The Impact of Obstructive Sleep Apnea and Positive Airway Pressure Therapy on Metabolic Peptides Regulating Appetite, Food Intake, Energy Homeostasis, and Systemic Inflammation: A Literature Review. J Clin Sleep Med 2019; 15:1037-1050. [PMID: 31383242 DOI: 10.5664/jcsm.7890] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 04/04/2019] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Sleep-related breathing disorders are very common and highly associated with many comorbid diseases. They have many metabolic consequences that impact appetite, energy expenditure, and systemic inflammation. These consequences are mediated through peptides (eg, ghrelin, leptin, adiponectin, resistin, apelin, obestatin, and neuropeptide Y). METHODS We searched the literature (PubMed) for sleep-disordered breathing (SDB) and metabolic peptides and included 15, 22, 14, 4 and 2 articles for ghrelin, leptin, adiponectin, resistin, and apelin respectively. RESULTS Our review of the published literature suggests that leptin levels seem to correlate with body mass index and adiposity rather than obstructive sleep apnea. Conversely, levels of adiponectin and ghrelin are influenced by obstructive sleep apnea alone. Finally, resistin and apelin seem to be not correlated with obstructive sleep apnea. Regarding positive airway pressure (PAP) impact, it seems that PAP therapy affected the levels of these peptides (mainly ghrelin). CONCLUSIONS There is significant controversy in the literature regarding the impact of SDB and PAP therapy on these metabolic peptides. This could be due to the lack of randomized clinical trials and the variability of the methodology used in these studies. Further research is needed to assess the impact of SDB and PAP therapy on the levels of these peptides and whether this impact is also related to body mass index and body fat composition.
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Affiliation(s)
- Saif Mashaqi
- Division of Sleep Medicine, University of North Dakota School of Medicine - Sanford Health, Fargo, North Dakota
| | - M Safwan Badr
- Department of Internal Medicine, Wayne State University, Detroit, Michigan
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Herkenrath SD, Randerath WJ. More than Heart Failure: Central Sleep Apnea and Sleep-Related Hypoventilation. Respiration 2019; 98:95-110. [PMID: 31291632 DOI: 10.1159/000500728] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 05/02/2019] [Indexed: 12/29/2022] Open
Abstract
Central sleep apnea (CSA) comprises a variety of breathing patterns and clinical entities. They can be classified into 2 categories based on the partial pressure of carbon dioxide in the arterial blood. Nonhypercapnic CSA is usually characterized by a periodic breathing pattern, while hypercapnic CSA is based on hypoventilation. The latter CSA form is associated with central nervous, neuromuscular, and rib cage disorders as well as obesity and certain medication or substance intake. In contrast, nonhypercapnic CSA is typically accompanied by an overshoot of the ventilation and often associated with heart failure, cerebrovascular diseases, and stay in high altitude. CSA and hypoventilation syndromes are often considered separately, but pathophysiological aspects frequently overlap. An integrative approach helps to recognize underlying pathophysiological mechanisms and to choose adequate therapeutic strategies. Research in the last decades improved our insights; nevertheless, diagnostic tools are not always appropriately chosen to perform comprehensive sleep studies. This supports misinterpretation and misclassification of sleep disordered breathing. The purpose of this article is to highlight unresolved problems, raise awareness for different pathophysiological components and to discuss the evidence for targeted therapeutic strategies.
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Bingol Z, Karaayvaz EB, Telci A, Bilge AK, Okumus G, Kiyan E. Leptin and adiponectin levels in obstructive sleep apnea phenotypes. Biomark Med 2019; 13:865-874. [PMID: 31210052 DOI: 10.2217/bmm-2018-0293] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Objective: To examine the serum levels of leptin and adiponectin in different obstructive sleep apnea (OSA) phenotypes. Methods: Obese patients who were admitted to our sleep laboratory were included. All patients underwent spirometry, daytime arterial blood gas analysis, polysomnography and transthoracic echocardiography. Serum levels of adiponectin and leptin were recorded. Results: Analysis included 146 OSA patients (81 females, 65 males, age: 49.8 ± 10.7 years, body mass index: 40.3 ± 4.9 kg/m2, 47.9% severe OSA, 42.5% severe obesity). Females had higher leptin and adiponectin levels (p < 0.001; p < 0.001, respectively). Leptin levels were higher in patients with severe obesity (p < 0.001). Severe OSA patients had lower leptin and adiponectin levels (p = 0.023; p = 0.035, respectively). Conclusion: Adipokine levels were different especially in OSA patients with severe obesity, female gender and severe OSA.
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Affiliation(s)
- Zuleyha Bingol
- Department of Pulmonary Medicine, Faculty of Medicine, Istanbul University, Istanbul, 34093, Turkey
| | - Ekrem Bilal Karaayvaz
- Department of Cardiology, Faculty of Medicine, Istanbul University, Istanbul, 34093, Turkey
| | - Aysegul Telci
- Department of Biochemistry, Faculty of Medicine, Istanbul University, Istanbul, 34093, Turkey
| | - Ahmet Kaya Bilge
- Department of Cardiology, Faculty of Medicine, Istanbul University, Istanbul, 34093, Turkey
| | - Gulfer Okumus
- Department of Pulmonary Medicine, Faculty of Medicine, Istanbul University, Istanbul, 34093, Turkey
| | - Esen Kiyan
- Department of Pulmonary Medicine, Faculty of Medicine, Istanbul University, Istanbul, 34093, Turkey
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Sunwoo BY. Obesity Hypoventilation: Pathophysiology, Diagnosis, and Treatment. CURRENT PULMONOLOGY REPORTS 2019. [DOI: 10.1007/s13665-019-0223-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kaw RK. Spectrum of postoperative complications in pulmonary hypertension and obesity hypoventilation syndrome. Curr Opin Anaesthesiol 2018; 30:140-145. [PMID: 27906717 DOI: 10.1097/aco.0000000000000420] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW The purpose of this review is to identify chronic pulmonary conditions which may often not be recognized preoperatively especially before elective noncardiac surgery and which carry the highest risk of perioperative morbidity and mortality. RECENT FINDINGS This review discusses some of the most recent studies that highlight the perioperative complications, and their prevention and management strategies. SUMMARY Pulmonary hypertension is a well recognized risk factor for postoperative complications after cardiac surgery but the literature surrounding noncardiac surgery is sparse. Pulmonary hypertension was only recently classified as an independent risk factor for postoperative complications in the American Heart Association/American College of Cardiology Foundation Practice Guideline for noncardiac surgery. Spinal anesthesia should be avoided in most surgeries on patients with pulmonary hypertension because of it's rapid sympatholytic effects. The presence of significant right ventricle dysfunction and marked hypoxemia should prompt re-evaluation of the need for elective surgery. Obesity hypoventilation syndrome is even harder to recognize preoperatively as arterial blood gases are generally not obtained prior to elective noncardiac surgery. Amongst patients with obstructive sleep apnea this group of patients carries much higher risk of postoperative respiratory and congestive heart failure.
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Affiliation(s)
- Roop K Kaw
- Departments of Hospital Medicine and Anesthesiology Outcomes Research, Cleveland Clinic, Cleveland, Ohio, USA
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Kaczyńska K, Zając D, Wojciechowski P, Kogut E, Szereda-Przestaszewska M. Neuropeptides and breathing in health and disease. Pulm Pharmacol Ther 2017; 48:217-224. [PMID: 29223509 DOI: 10.1016/j.pupt.2017.12.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 11/20/2017] [Accepted: 12/05/2017] [Indexed: 12/18/2022]
Abstract
Regulatory neuropeptides control and regulate breathing in physiological and pathophysiological conditions. While they have been identified in the neurons of major respiratory areas, they can be active not only at the central level, but also at the periphery via chemoreceptors, vagal afferents, or locally within lungs and airways. Some neuropeptides, such as leptin or substance P, are respiratory stimulants; others, such as neurotensin, produce variable effects on respiration depending on the site of application. Some neuropeptides have been implicated in pathological states, such as obstructive sleep apnea or asthma. This article provides a concise review of the possible role and functions of several selected neuropeptides in the process of breathing in health and disease and in lung pathologies.
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Affiliation(s)
- Katarzyna Kaczyńska
- Laboratory of Respiration Physiology, Mossakowski Medical Research Centre Polish Academy of Sciences, Warsaw, Poland.
| | - Dominika Zając
- Laboratory of Respiration Physiology, Mossakowski Medical Research Centre Polish Academy of Sciences, Warsaw, Poland
| | - Piotr Wojciechowski
- Laboratory of Respiration Physiology, Mossakowski Medical Research Centre Polish Academy of Sciences, Warsaw, Poland
| | - Ewelina Kogut
- Laboratory of Respiration Physiology, Mossakowski Medical Research Centre Polish Academy of Sciences, Warsaw, Poland
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Deol R, Lee KA, Kandula NR, Kanaya AM. Risk of Obstructive Sleep Apnoea is Associated with Glycaemia Status in South Asian Men and Women in the United States. ACTA ACUST UNITED AC 2017; 9:1-6. [PMID: 29354780 DOI: 10.1016/j.obmed.2017.11.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Aims To examine the association between glycaemia status and the risk for obstructive sleep apnoea (OSA) in a cohort of South Asians living in the United States. Methods A secondary analysis of a community based cohort of 899 participants from the Mediators of Atherosclerosis in South Asians Living in America (MASALA) study. The Berlin Questionnaire was used to screen for OSA. Results Almost one in four (24%) South Asians was at high risk for OSA. Compared to the normal glucose tolerance group (18%), high risk of OSA was significantly more likely in the prediabetes (24%) and diabetes (32%) groups (p = .007). More men (28%) than women (18%) were at high risk of OSA. Risk for OSA was also associated with higher haemoglobin A1c values, hypertension, large waist circumference, and BMI > 27.5 kg/m2. In a multivariate regression analysis, sleep disordered breathing (SDB) remained significantly associated with higher haemoglobin A1c values, even after controlling for waist circumference and other demographic and clinical factors. Conclusions The risk for SDB and OSA was high among South Asian men and women. Given the association between dysglycaemia and risk for OSA, these health issues require simultaneous clinical assessment. Future studies using objective sleep measures such as polysomnography are warranted in the diagnosis and treatment of OSA in the South Asian adult population already at high risk for dysglycaemia.
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Affiliation(s)
- Rupinder Deol
- Department of Family Health Care Nursing, University of California, San Francisco, San Francisco, CA 94143
| | - Kathryn A Lee
- Department of Family Health Care Nursing, University of California, San Francisco, San Francisco, CA 94143
| | - Namratha R Kandula
- Division of General Internal Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Alka M Kanaya
- Epidemiology & Biostatistics, School of Medicine, University of California, San Francisco, San Francisco, CA 94115
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The Bariatric Airway. Int Anesthesiol Clin 2016; 55:65-85. [PMID: 27941367 DOI: 10.1097/aia.0000000000000133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Randerath W, Verbraecken J, Andreas S, Arzt M, Bloch KE, Brack T, Buyse B, De Backer W, Eckert DJ, Grote L, Hagmeyer L, Hedner J, Jennum P, La Rovere MT, Miltz C, McNicholas WT, Montserrat J, Naughton M, Pepin JL, Pevernagie D, Sanner B, Testelmans D, Tonia T, Vrijsen B, Wijkstra P, Levy P. Definition, discrimination, diagnosis and treatment of central breathing disturbances during sleep. Eur Respir J 2016; 49:13993003.00959-2016. [DOI: 10.1183/13993003.00959-2016] [Citation(s) in RCA: 169] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 08/25/2016] [Indexed: 02/07/2023]
Abstract
The complexity of central breathing disturbances during sleep has become increasingly obvious. They present as central sleep apnoeas (CSAs) and hypopnoeas, periodic breathing with apnoeas, or irregular breathing in patients with cardiovascular, other internal or neurological disorders, and can emerge under positive airway pressure treatment or opioid use, or at high altitude. As yet, there is insufficient knowledge on the clinical features, pathophysiological background and consecutive algorithms for stepped-care treatment. Most recently, it has been discussed intensively if CSA in heart failure is a “marker” of disease severity or a “mediator” of disease progression, and if and which type of positive airway pressure therapy is indicated. In addition, disturbances of respiratory drive or the translation of central impulses may result in hypoventilation, associated with cerebral or neuromuscular diseases, or severe diseases of lung or thorax. These statements report the results of an European Respiratory Society Task Force addressing actual diagnostic and therapeutic standards. The statements are based on a systematic review of the literature and a systematic two-step decision process. Although the Task Force does not make recommendations, it describes its current practice of treatment of CSA in heart failure and hypoventilation.
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LUSTOSA MF, SÁ CMATD, CAVALCANTI AC, MEDEIROS RABD, NOVA LPV, PEDROSA RP. Perfis metabólico e nutricional como preditores da síndrome da apneia obstrutiva do sono. REV NUTR 2016. [DOI: 10.1590/1678-98652016000500005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
RESUMO Objetivo: Correlacionar os perfis metabólico e nutricional com a presença e gravidade da síndrome da apneia obstrutiva do sono. Métodos: Estudo transversal com pacientes adultos e idosos, de ambos os sexos, atendidos no Laboratório do Sono e Coração do Pronto Socorro Cardiológico Universitário de Pernambuco, entre junho e setembro de 2014. Os pacientes se submeteram à polissonografia, à bioimpedância elétrica e a aferições antropométricas. Foram verificadas a presença da síndrome metabólica e outras morbidades. Resultados: A amostra total foi constituída por 50 pacientes, com idade média de 57,52±9,80 anos, sendo que 94% receberam diagnóstico de síndrome da apneia obstrutiva do sono e 74% possuíam síndrome metabólica. As seguintes médias foram obtidas: índice de massa corporal (31,54±5,82 kg/m2); circunferência do pescoço (39,14±4,33 cm); circunferência da cintura (106,72±11,22 cm); diâmetro abdominal sagital (23,00 cm [21,00-24,00]). O índice de massa corporal, a circunferência da cintura e o diâmetro abdominal sagital apresentaram valores mais elevados (p<0,05) entre os pacientes com síndrome da apneia obstrutiva do sono grave, quando comparados aqueles com a forma leve. O diâmetro abdominal sagital apresentou moderada correlação com o índice de apneia e hipopneia e a gordura corporal apresentou fraca correlação. Conclusão: A obesidade, a circunferência do pescoço, o diâmetro abdominal sagital e a síndrome metabólica tiveram associação positiva com a gravidade da síndrome da apneia obstrutiva do sono. Dentre os parâmetros antropométricos avaliados, o diâmetro abdominal sagital mostrou ser o mais adequado preditor para avaliar a presença e gravidade da síndrome da apneia obstrutiva do sono.
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Study of sleep – Related breathing disorders in patients admitted to respiratory intensive care unit. EGYPTIAN JOURNAL OF CHEST DISEASES AND TUBERCULOSIS 2016. [DOI: 10.1016/j.ejcdt.2015.08.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Dubey A, Kant S, Agarwal S, Mahdi AA, Tiwari S. Relationship Between Serum Leptin Level and Serum Lipid Profile in Male Obstructive Sleep Apnea Syndrome Patients. Indian J Clin Biochem 2015. [DOI: 10.1007/s12291-014-0468-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Böing S, Randerath WJ. Chronic hypoventilation syndromes and sleep-related hypoventilation. J Thorac Dis 2015; 7:1273-85. [PMID: 26380756 PMCID: PMC4561264 DOI: 10.3978/j.issn.2072-1439.2015.06.10] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 06/05/2015] [Indexed: 01/21/2023]
Abstract
Chronic hypoventilation affects patients with disorders on any level of the respiratory system. The generation of respiratory impulses can be impaired in congenital disorders, such as central congenital alveolar hypoventilation, in alterations of the brain stem or complex diseases like obesity hypoventilation. The translation of the impulses via spinal cord and nerves to the respiratory muscles can be impaired in neurological diseases. Thoraco-skeletal or muscular diseases may inhibit the execution of the impulses. All hypoventilation disorders are characterized by a reduction of the minute ventilation with an increase of daytime hypercapnia. As sleep reduces minute ventilation substantially in healthy persons and much more pronounced in patients with underlying thoraco-pulmonary diseases, hypoventilation manifests firstly during sleep. Therefore, sleep related hypoventilation may be an early stage of chronic hypoventilation disorders. After treatment of any prevailing underlying disease, symptomatic therapy with non-invasive ventilation (NIV) is required. The adaptation of the treatment should be performed under close medical supervision. Pressure support algorithms have become most frequently used. The most recent devices automatically apply pressure support and vary inspiratory and expiratory pressures and breathing frequency in order to stabilize upper airways, normalize ventilation, achieve best synchronicity between patient and device and aim at optimizing patients' adherence.
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Leptin level correlates with obesity and health related quality of life in obstructive sleep apnea syndrome patients. Indian J Tuberc 2015; 62:105-9. [PMID: 26117480 DOI: 10.1016/j.ijtb.2015.04.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Accepted: 08/23/2014] [Indexed: 11/23/2022]
Abstract
BACKGROUND Leptin takes part in regulation of energy balance, neuronal functions, pain and mood. It may act as intermediary marker for various components of HRQOL in patients of obstructive sleep apnea syndrome. AIMS To document the correlation among leptin levels, obesity and HRQoL in OSAS patients. METHODS A tertiary care hospital based cross-sectional study was done in 224 subjects aged 18-65 years, after taking informed consent. Subjects with previous history of smoking, Liver disease, COPD, CHD, T2 DM, asthma, cancer, end stage renal disease, heart failure, any endocrine disorder including Cushing syndrome, thyroid, on systemic steroid or any continuous medication for last 6 months, on dieting or suffering from any disability condition (other than obesity and OSAS) affecting their HRQoL were excluded from the study. All subjects underwent Polysomnography. Leptin assay was done by ELISA method. Hindi version of HRQoL tool SF-36 was used to evaluate HRQoL. RESULTS SPSS 20 was used to analyse data. Three groups (AHI <5, 5 to 15 and >15) were compared. Significant differences were observed in BMI, NC, WC, WHR and ESS. Differences were not significant in sleep architecture and Leptin level. SF-36 HRQoL, scores were observed decreased with increase in severity of disease. Leptin level was found significantly correlated with "Role limitations due to physical health problems", "Social functioning", Hypopnea and obesity indices. CONCLUSIONS In these subjects Obesity indices are the most important correlates of Leptin level. Oxygen desaturation indices with exception of Hypopnea and HRQoL may not be exclusively correlated to leptin levels.
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Kuo YL, Kang KT, Chiu SN, Weng WC, Lee PL, Hsu WC. Blood Pressure after Surgery among Obese and Nonobese Children with Obstructive Sleep Apnea. Otolaryngol Head Neck Surg 2015; 152:931-40. [DOI: 10.1177/0194599815573927] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Objectives Treating obstructive sleep apnea in children is found to be associated with blood pressure decreases. However, exactly how adenotonsillectomy (T&A) affects blood pressure in obese and nonobese children remains unclear. This study assesses how obesity affects blood pressure in children with sleep apnea after T&A. Study Design Case series with chart review. Setting A tertiary referral center. Subjects and Methods From 2010 to 2012, a total of 78 children were included. Based on propensity score methods (age, sex, and preoperative apnea-hypopnea index matched), children were assigned to either the obese group (n = 39) or the nonobese group (n = 39). All children received adenotonsillectomy. We recorded clinical symptoms, preoperative overnight polysomnography (PSG), and subsequent PSG within 3 months after T&A. We measured blood pressure 3 times before PSG (nocturnal blood pressure) and after PSG (morning blood pressure) in a sleep laboratory. Results Following surgery, the nonobese group had a significantly decreased nocturnal diastolic blood pressure (DBP) index (–12.0 to −18.8, P = .018), morning systolic blood pressure (SBP; 111.1 to 105.8 mm Hg, P = .014), SBP index (–5.4 to −10.9, P = .008), and DBP (–12.0 to −18.7, P = .023). Nevertheless, all blood pressure parameters in the obese group were not significantly changed postoperatively. The nonobese group improved more than obese group in nocturnal and morning DBP and DBP index by 2-way analysis of variance. Conclusion Among the children receiving T&A as treatment for OSA, nonobese children improved more than obese children did in terms of blood pressure, allowing us to infer that obese children with OSA may benefit less from T&A in cardiovascular morbidities.
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Affiliation(s)
- Yen-Lin Kuo
- Department of Otolaryngology, National Taiwan University Hospital, Taipei, Taiwan
- Department of Otolaryngology, National Taiwan University Hospital, Hsin-chu Branch, Taipei, Taiwan
| | - Kun-Tai Kang
- Department of Otolaryngology, National Taiwan University Hospital, Taipei, Taiwan
- Department of Otolaryngology, Taipei Hospital, Ministry of Health and Welfare, New Taipei City, Taiwan
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Shuenn-Nan Chiu
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan
| | - Wen-Chin Weng
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan
| | - Pei-Lin Lee
- Sleep Center, National Taiwan University Hospital, Taipei, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Wei-Chung Hsu
- Department of Otolaryngology, National Taiwan University Hospital, Taipei, Taiwan
- Sleep Center, National Taiwan University Hospital, Taipei, Taiwan
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Yosunkaya Ş, Okur HK, Can Ü, Zamani A, Kutlu R. Impact of Continuous Positive Airway Pressure Treatment on Leptin Levels in Patients with Obstructive Sleep Apnea Syndrome. Metab Syndr Relat Disord 2015; 13:272-7. [PMID: 25867002 DOI: 10.1089/met.2014.0161] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND There is growing evidence that leptin regulation is altered in obstructive sleep apnea syndrome (OSAS). Several potential mechanisms have been purported to explain how sleep apnea may alter leptin levels. We investigated whether repeated apneas, hypoxia, or excessive daytime sleepiness influenced the levels of leptin in OSAS patients. We also evaluated whether a 3-month continuous positive airway pressure (CPAP) treatment affected leptin levels in patients. METHODS Randomly selected 31 untreated, otherwise healthy male, overweight [body mass index (BMI) >25 kg/m(2)] obstructive sleep apnea syndrome (OSAS) patients [apnea-hypopnea index (AHI) ≥15] and 25 control (AHI <5) were included in this study. To confirm the diagnosis, all subjects underwent standard polysomnography. Serum samples were taken at 07:00-08:00 a.m. after overnight fasting. The OSAS patients that had regular CPAP treatment (n=26) were re-evaulated 3 months later. RESULTS Leptin levels (50.5±17.5 grams/L in OSAS and 56.3±25.5 grams/L in controls) and lipid profiles (TC, TGs, HDL-C, and LDL-C) between patient and control groups did not differ (P>0.05). Leptin levels were not correlated with the AHI, oxygen saturation, or excessive daytime sleepiness. CPAP treatment did not significantly change the (BMI), waist and neck circumference, or leptin levels in OSAS patients. Furthermore, we found no correlation between the decrease in serum leptin levels and parameters that were improved by CPAP treatment. CONCLUSION Leptin levels and lipid profile of overweight subjects with and without OSAS were not different, and our results suggest that OSAS-related parameters and CPAP treatment do not play a significant role in the serum leptin levels.
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Affiliation(s)
- Şebnem Yosunkaya
- 1 Meram Medical Faculty, Department of Chest Disease, Necmettin Erbakan University , Konya, Turkey
| | - Hacer Kuzu Okur
- 2 Department of Chest Diseases and Thoracic Surgery, Fatih Sultan Mehmet Education and Research Hospital , Istanbul, Turkey
| | - Ümmügülsüm Can
- 3 Department of Biochemistry, Konya Education and Research Hospital , Konya, Turkey
| | - Adil Zamani
- 4 Meram Medical Faculty, Department of Chest Disease, Necmettin Erbakan University , Konya, Turkey
| | - Ruhuşen Kutlu
- 5 Meram Medical Faculty, Department of Family Physician, Necmettin Erbakan University , Konya, Turkey
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Zanuto EAC, de Lima MCS, de Araújo RG, da Silva EP, Anzolin CC, Araujo MYC, Codogno JS, Christofaro DGD, Fernandes RA. Sleep disturbances in adults in a city of Sao Paulo state. REVISTA BRASILEIRA DE EPIDEMIOLOGIA 2015; 18:42-53. [PMID: 25651010 DOI: 10.1590/1980-5497201500010004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Accepted: 04/23/2014] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE To analyze the occurrence of sleep-related disorders among adults from Presidente Prudente, Brazil, as well as to identify associations with behavioral, socio-demographic and nutritional status variables. METHODS After random selection of the sample, interviews were performed with 743 adults of both genders, living in Presidente Prudente, Brazil. Sleep-related disorders, demographic variables (sex, age, ethnicity and schooling), behavioral variables (leisure physical activity, alcohol consumption, and smoking) and nutritional status were analyzed by questionnaires. RESULTS The prevalence of sleep-related disorders was 46.7%, with 95% confidence interval (95%CI) 43.1 - 50.2. In the multivariate analysis, female sex, with odds ratio (OR) 1.74 (95%CI 1.26 - 2.40), schooling (OR = 0.49; 95%CI 0.28 - 0.82), overweight (OR = 1.99; 95%CI 1.39 - 2.85) and obesity (OR = 2.90; 95%CI 1.94 - 4.35) were associated with sleep-related disorders. CONCLUSION There is high occurrence of sleep-related disorders in this sample, which was associated with female sex, lower schooling, overweight and obesity.
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Affiliation(s)
- Everton Alex Carvalho Zanuto
- Departamento de Educação Física, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista, Presidente Prudente, SP, Brasil
| | - Manoel Carlos Spiguel de Lima
- Departamento de Educação Física, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista, Presidente Prudente, SP, Brasil
| | - Rafael Gavassa de Araújo
- Departamento de Educação Física, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista, Presidente Prudente, SP, Brasil
| | - Eduardo Pereira da Silva
- Departamento de Educação Física, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista, Presidente Prudente, SP, Brasil
| | - Caroline Cristina Anzolin
- Departamento de Educação Física, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista, Presidente Prudente, SP, Brasil
| | - Monique Yndawe Castanho Araujo
- Departamento de Educação Física, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista, Presidente Prudente, SP, Brasil
| | - Jamile Sanches Codogno
- Departamento de Educação Física, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista, Presidente Prudente, SP, Brasil
| | | | - Rômulo Araújo Fernandes
- Departamento de Educação Física, Faculdade de Ciências e Tecnologia, Universidade Estadual Paulista, Presidente Prudente, SP, Brasil
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Palen BN, Swenson ER. Is a Raised Eucapnic Blood Bicarbonate Value a Bellwether of Preclinical Obesity Hypoventilation Syndrome? Chest 2015; 147:282-284. [DOI: 10.1378/chest.14-1970] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Abstract
Obesity hypoventilation syndrome is a respiratory consequence of morbid obesity that is characterized by alveolar hypoventilation during sleep and wakefulness. The disorder involves a complex interaction between impaired respiratory mechanics, ventilatory drive and sleep-disordered breathing. Early diagnosis and treatment is important, because delay in treatment is associated with significant mortality and morbidity. Available treatment options include non-invasive positive airway pressure (PAP) therapies and weight loss. There is limited long-term data regarding the effectiveness of such therapies. This review outlines the current concepts of clinical presentation, diagnostic and management strategies to help identify and treat patients with obesity-hypoventilation syndromes.
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Fontela PC, Winkelmann ER, Pretto LM, Berlezi EM. Sleep respiratory disorders and clinical profile in patients with type 2 diabetes mellitus. Int Arch Otorhinolaryngol 2015; 19:67-73. [PMID: 25992154 PMCID: PMC4392518 DOI: 10.1055/s-0034-1395998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 10/18/2014] [Indexed: 11/16/2022] Open
Abstract
Introduction Sleep respiratory disorders (SRDs) are often found in patients with type 2 diabetes mellitus (T2DM). Objective The aim was to establish the prevalence of risk to develop an SRD using the Clinical Berlin Questionnaire (CBQ) and Epworth Sleepiness Scale (ESS) in patients with T2DM and verifying the correlation of anthropometric measurements and life quality (LQ) with ESS. Methods A descriptive and analytical study of a case series evaluating 208 patients with T2DM, submitted to clinical and biochemical evaluation and implementation of CBQ, ESS, and WHOQOL-bref to evaluate LQ. Results Mean age was 60.8 ± 8.8 years, and 65.4% were women. Most diabetics were overweight (36.1%), and 29.8% were class I obese. One-third had positive risk signals for a SRD, with 87.0 and 34.1% having high risk in CBQ and sleep disorders in ESS, respectively. There was a significant difference in the general LQ between the low- and high-risk groups in the CBQ. Conclusion In this scenario, it is noteworthy that the active search for sleep disorders must start from simple methods, such as application of protocols.
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Affiliation(s)
- Paula Caitano Fontela
- Sciences of Life Department, Universidade Regional do Noroeste do Estado do Rio Grande do Sul, Ijuí, RS, Brazil
| | - Eliane Roseli Winkelmann
- Sciences of Life Department, Universidade Regional do Noroeste do Estado do Rio Grande do Sul, Ijuí, RS, Brazil
| | - Luciana Meggiolaro Pretto
- Sciences of Life Department, Universidade Regional do Noroeste do Estado do Rio Grande do Sul, Ijuí, RS, Brazil
| | - Evelise Moraes Berlezi
- Sciences of Life Department, Universidade Regional do Noroeste do Estado do Rio Grande do Sul, Ijuí, RS, Brazil
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Kaw R, Argalious M, Aboussouan LS, Chung F. Obesity Hypoventilation Syndrome and Anesthesia Considerations. Sleep Med Clin 2014. [DOI: 10.1016/j.jsmc.2014.05.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cundrle I, Somers VK, Singh P, Johnson BD, Scott CG, van der Walt C, Olson LJ. Leptin deficiency promotes central sleep apnea in patients with heart failure. Chest 2014; 145:72-78. [PMID: 24030529 DOI: 10.1378/chest.12-2914] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Leptin-deficient animals hyperventilate. Leptin expression by adipocytes is attenuated by atrial natriuretic peptide (ANP). Increased circulating natriuretic peptides (NPs) are associated with an increased risk of central sleep apnea (CSA). This study tested whether serum leptin concentration is inversely correlated to NP concentration and decreased in patients with heart failure (HF) and CSA. METHODS Subjects with HF (N = 29) were studied by measuring leptin, NPs, CO2 chemosensitivity (Δminute ventilation [V.e]/Δpartial pressure of end-tidal CO2 [Petco2]), and ventilatory efficiency (V.e/CO2 output [V.co2]) and were classified as CSA or no sleep-disordered breathing by polysomnography. CSA was defined as a central apnea-hypopnea index ≥ 15. The Student t test, Mann-Whitney U test, and logistic regression were used for analysis, and data were summarized as mean ± SD; P < .05 was considered significant. RESULTS Subjects with CSA had higher ANP and brain natriuretic peptide (BNP) concentrations (P < .05), ΔV.e/ΔPetco2 (2.39 ± 1.03 L/min/mm Hg vs 1.54 ± 0.35 L/min/mm Hg, P = .01), and V.e/V.co2 (43 ± 9 vs 34 ± 7, P < .01) and lower leptin concentrations (8 ± 10.7 ng/mL vs 17.1 ± 8.8 ng/mL, P < .01). Logistic regression analysis (adjusted for age, sex, and BMI) demonstrated leptin (OR = 0.07; 95% CI, 0.01-0.71; P = .04) and BNP (OR = 4.45; 95% CI, 1.1-17.9; P = .05) to be independently associated with CSA. CONCLUSIONS In patients with HF and CSA, leptin concentration is low and is inversely related to NP concentration. Counterregulatory interactions of leptin and NP may be important in ventilatory control in HF.
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Affiliation(s)
- Ivan Cundrle
- Department of Anesthesiology and Intensive Care, International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
| | - Virend K Somers
- Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN
| | - Prachi Singh
- Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN
| | - Bruce D Johnson
- Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN
| | - Christopher G Scott
- Department of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN
| | | | - Lyle J Olson
- Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN.
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Won C, Mahmoudi M, Qin L, Purvis T, Mathur A, Mohsenin V. The impact of gender on timeliness of narcolepsy diagnosis. J Clin Sleep Med 2014; 10:89-95. [PMID: 24426826 DOI: 10.5664/jcsm.3370] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
STUDY OBJECTIVES To examine the impact of gender in narcoleptic patients on timeliness of diagnosis, symptomology, and health and lifestyle impairment. METHODS This is a cross-sectional study of 109 consecutive patients (68 women) with newly diagnosed narcolepsy with and without cataplexy, from a University sleep disorders center. Consecutive patients were administered an 8-page questionnaire at the time of their diagnosis regarding sleep habits, medications, and medical conditions, lifestyle impairments, as well as details regarding narcolepsy-related symptoms. RESULTS Men and women presented with remarkably similar narcolepsy related symptoms, yet women were more likely to be delayed in diagnosis; 85% of men were likely to be diagnosed by 16 years after symptom onset, compared to 28 years in women. More women were likely to remain undiagnosed at any given time point after symptom onset (hazard ratio for diagnosis of men compared to women 1.53; 95% CI 1.01-2.32; p = 0.04). Men and women reported similar degree of subjective sleepiness as measured by the Epworth Sleepiness Scale (mean 16.2 ± 4.5; p = 0.18), though women demonstrated significantly more severe objective sleepiness on multiple sleep latency testing (MSLT) (mean sleep latency in women = 5.4 min (± 4.1), in men 7.4 min (± 3.5); p = 0.03). Despite being more objectively sleepy, women were less likely to report lifestyle impairments in the areas of personal relationships (71% men, 44% women, p = 0.01) and physical activity (36% men, 16% women, p = 0.02), but were also more likely to self-medicate with caffeine (63.4% men, 82.4% women; p = 0.03). CONCLUSIONS Narcolepsy impacts men and women's health and lifestyle differently, and may cause delays diagnosis for women.
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Affiliation(s)
- Christine Won
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT
| | | | - Li Qin
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT
| | - Taylor Purvis
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT
| | - Aditi Mathur
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT
| | - Vahid Mohsenin
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT
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Piper A. Obesity hypoventilation syndrome: therapeutic implications for treatment. Expert Rev Respir Med 2014; 4:57-70. [DOI: 10.1586/ers.09.64] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Cundrle I, Somers VK, Singh P, Johnson BD, Scott CG, Olson LJ. The relationship between leptin and ventilatory control in heart failure. J Card Fail 2013; 19:756-61. [PMID: 24263120 PMCID: PMC4220787 DOI: 10.1016/j.cardfail.2013.10.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Revised: 09/19/2013] [Accepted: 10/11/2013] [Indexed: 10/26/2022]
Abstract
BACKGROUND Increased serum leptin concentration has been linked to increased ventilation in patients with mild heart failure (HF). However, in animal models the absence of leptin has also been associated with increased ventilation. This study evaluated the relationship of circulating leptin concentration with exercise ventilation in HF patients. METHODS AND RESULTS Fifty-eight consecutive ambulatory HF patients were stratified by quintiles of leptin concentration, with a lowest quintile of mean leptin concentration of 1.8 ± 8.9 ng/mL and a highest of 33.3 ± 30.3 ng/mL. Peak exercise ventilatory efficiency (VE/VCO2) was significantly elevated in the lowest (46 ± 6 vs 34 ± 4; P < .01) as well as in the highest (38 ± 8 vs 34 ± 4; P < .05) leptin concentration quintiles compared with the reference middle quintile. Multiple regression analysis adjusted for confounders such as age, sex, and body mass index showed leptin concentration to be independently inversely correlated to VE/VCO2 in the low-to-normal quintiles (β = -0.64; P < .01), positively in the normal-to-high quintiles (β = 0.52; P = .02), and positively correlated to PETCO2 in the low-to-normal quintiles (β = 0.59; P = .01) and inversely in the normal-to-high quintiles (β = -0.53; P = .02). CONCLUSIONS In HF patients, both high and low leptin concentrations are associated with increased VE/VCO2 and decreased PETCO2 with a nonlinear U-shaped relationship, suggesting that either leptin deficiency or leptin resistance may modulate ventilatory control in HF patients.
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Affiliation(s)
- Ivan Cundrle
- International Clinical Research Center, Department of Anesthesiology and Intensive Care, St. Anna’s University Hospital Brno, Czech Republic
- Division of Cardiovascular Diseases (Dr. Johnson, Dr. Somers, Dr. Singh and Dr. Olson); and Department of Biomedical Statistics and Informatics (Mr. Scott), Mayo Clinic, Rochester, MN
| | - Virend K. Somers
- Division of Cardiovascular Diseases (Dr. Johnson, Dr. Somers, Dr. Singh and Dr. Olson); and Department of Biomedical Statistics and Informatics (Mr. Scott), Mayo Clinic, Rochester, MN
| | - Prachi Singh
- Division of Cardiovascular Diseases (Dr. Johnson, Dr. Somers, Dr. Singh and Dr. Olson); and Department of Biomedical Statistics and Informatics (Mr. Scott), Mayo Clinic, Rochester, MN
| | - Bruce D. Johnson
- Division of Cardiovascular Diseases (Dr. Johnson, Dr. Somers, Dr. Singh and Dr. Olson); and Department of Biomedical Statistics and Informatics (Mr. Scott), Mayo Clinic, Rochester, MN
| | - Christopher G. Scott
- Division of Cardiovascular Diseases (Dr. Johnson, Dr. Somers, Dr. Singh and Dr. Olson); and Department of Biomedical Statistics and Informatics (Mr. Scott), Mayo Clinic, Rochester, MN
| | - Lyle J. Olson
- Division of Cardiovascular Diseases (Dr. Johnson, Dr. Somers, Dr. Singh and Dr. Olson); and Department of Biomedical Statistics and Informatics (Mr. Scott), Mayo Clinic, Rochester, MN
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Central sleep apnea in obese children with sleep-disordered breathing. Int J Obes (Lond) 2013; 38:27-31. [PMID: 24048143 DOI: 10.1038/ijo.2013.184] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Accepted: 09/08/2013] [Indexed: 01/08/2023]
Abstract
OBJECTIVES In contrast to obstructive sleep apnea (OSA), central sleep apnea (CSA) in obese children has received lesser attention. As pediatric CSA is more prevalent than expected and adversely impacts health, this study aims to elucidate the major factors associated with central apnea index (CAI) and compare CSA between obese and non-obese children. METHODS Retrospective analysis was performed in a tertiary referral medical center. Children with sleep-disordered breathing (SDB) ranging from 2-18 years old were enrolled. All participants completed history taking, otolaryngological examination and overnight polysomnography. CSA was defined as having CAI exceeding 1 h(-1). CAI and the prevalence of CSA were analyzed in children of different age groups, weight statuses and adenotonsillar sizes. RESULTS A total of 487 cases were included. The prevalence of CSA was 13.3% (65/487). CAI was negatively correlated with age (r=-0.32, P<0.001). Obese children had a significantly lower CAI than that of non-obese ones (0.20 ± 0.36 vs 0.48 ± 0.82 h(-1), P<0.001). Multiple linear regression analysis demonstrated a relationship between CAI, age and obesity as 'CAI=0.883-0.055 × Age -0.22 × (Obesity)'. CONCLUSIONS In children with SDB, younger ones have a significantly higher CAI than older ones. Additionally, obese children had a lower CAI than non-obese ones.
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Pathophysiologic mechanisms of cardiovascular disease in obstructive sleep apnea syndrome. Pulm Med 2013; 2013:521087. [PMID: 23936649 PMCID: PMC3712227 DOI: 10.1155/2013/521087] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Accepted: 04/24/2013] [Indexed: 02/06/2023] Open
Abstract
Obstructive sleep apnea syndrome (OSAS) is a highly prevalent sleep disorder, characterized by repeated disruptions of breathing during sleep. This disease has many potential consequences including excessive daytime sleepiness, neurocognitive deterioration, endocrinologic and metabolic effects, and decreased quality of life. Patients with OSAS experience repetitive episodes of hypoxia and reoxygenation during transient cessation of breathing that provoke systemic effects. Furthermore, there may be increased levels of biomarkers linked to endocrine-metabolic and cardiovascular alterations. Epidemiological studies have identified OSAS as an independent comorbid factor in cardiovascular and cerebrovascular diseases, and physiopathological links may exist with onset and progression of heart failure. In addition, OSAS is associated with other disorders and comorbidities which worsen cardiovascular consequences, such as obesity, diabetes, and metabolic syndrome. Metabolic syndrome is an emerging public health problem that represents a constellation of cardiovascular risk factors. Both OSAS and metabolic syndrome may exert negative synergistic effects on the cardiovascular system through multiple mechanisms (e.g., hypoxemia, sleep disruption, activation of the sympathetic nervous system, and inflammatory activation). It has been found that CPAP therapy for OSAS provides an objective improvement in symptoms and cardiac function, decreases cardiovascular risk, improves insulin sensitivity, and normalises biomarkers. OSAS contributes to the pathogenesis of cardiovascular disease independently and by interaction with comorbidities. The present review focuses on indirect and direct evidence regarding mechanisms implicated in cardiovascular disease among OSAS patients.
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Affiliation(s)
- Edmond H.L. Chau
- Department of Anesthesiology, Toronto Western Hospital, University Health Network, University of Toronto, Bathurst Street, Toronto, Ontario M5T2S8, Canada
| | - Babak Mokhlesi
- Section of Pulmonary and Critical Care Medicine, Department of Medicine, Sleep Disorders Center, University of Chicago Pritzker School of Medicine, Maryland Avenues, Chicago, IL 60637, USA
| | - Frances Chung
- Department of Anesthesiology, Toronto Western Hospital, University Health Network, University of Toronto, Bathurst Street, Toronto, Ontario M5T2S8, Canada
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Bezerra PC, do Prado M, Gaio E, Franco OL, Tavares P. The use of dual-energy X-ray absorptiometry in the evaluation of obesity in women with obstructive sleep apnea–hypopnea syndrome. Eur Arch Otorhinolaryngol 2012. [DOI: 10.1007/s00405-012-2291-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Randerath W. Obesitas-Hypoventilations-Syndrom. SOMNOLOGIE 2012. [DOI: 10.1007/s11818-012-0573-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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BOREL JEANCHRISTIAN, BOREL ANNELAURE, MONNERET DENIS, TAMISIER RENAUD, LEVY PATRICK, PEPIN JEANLOUIS. Obesity hypoventilation syndrome: From sleep-disordered breathing to systemic comorbidities and the need to offer combined treatment strategies. Respirology 2012; 17:601-10. [DOI: 10.1111/j.1440-1843.2011.02106.x] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Akinnusi ME, Saliba R, Porhomayon J, El-Solh AA. Sleep disorders in morbid obesity. Eur J Intern Med 2012; 23:219-26. [PMID: 22385877 DOI: 10.1016/j.ejim.2011.10.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Revised: 10/16/2011] [Accepted: 10/22/2011] [Indexed: 10/15/2022]
Abstract
The increasing prevalence of obesity has lead to an increase in the prevalence of sleep disordered breathing in the general population. The disproportionate structural characteristics of the pharyngeal airway and the diminished neural regulation of the pharyngeal dilating muscles during sleep predispose the obese patients to pharyngeal airway collapsibility. A subgroup of obese apneic patients is unable to compensate for the added load of obesity on the respiratory system, with resultant daytime hypercapnia. Weight loss using dietary modification and life style changes is the safest approach to reducing the severity of sleep apnea, but its efficacy is limited on the long run. Although it has inherent risks, bariatric surgery provides the most immediate result in alleviating sleep apnea. Obesity has been linked also to narcolepsy. The loss of neuropeptides co-localized in hypocretin neurons is suggested as the potential mechanism. Poor sleep quality, which leads to overall sleep loss and excessive daytime sleepiness has also become a frequent complaint in this population. Identifying abnormal nocturnal eating is critically important for patient care. Both sleep related eating disorder and night eating syndrome are treatable and represent potentially reversible forms of obesity.
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Franco CMR, Lima AMJ, Ataíde L, Lins OG, Castro CMM, Bezerra AA, de Oliveira MF, Oliveira JRM. Obstructive Sleep Apnea Severity Correlates with Cellular and Plasma Oxidative Stress Parameters and Affective Symptoms. J Mol Neurosci 2012; 47:300-10. [DOI: 10.1007/s12031-012-9738-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Accepted: 02/27/2012] [Indexed: 12/13/2022]
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Polotsky M, Elsayed-Ahmed AS, Pichard L, Harris CC, Smith PL, Schneider H, Kirkness JP, Polotsky V, Schwartz AR. Effects of leptin and obesity on the upper airway function. J Appl Physiol (1985) 2012; 112:1637-43. [PMID: 22345430 DOI: 10.1152/japplphysiol.01222.2011] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Obesity is associated with alterations in upper airway collapsibility during sleep. Obese, leptin-deficient mice demonstrate blunted ventilatory control, leading us to hypothesize that (1) obesity and leptin deficiency would predispose to worsening neuromechanical upper airway function and that (2) leptin replacement would acutely reverse neuromuscular defects in the absence of weight loss. In age-matched, anesthetized, spontaneously breathing C57BL/6J (BL6) and ob(-)/ob(-) mice, we characterized upper airway pressure-flow dynamics during ramp decreases in nasal pressure (P(N)) to determine the passive expiratory critical pressure (P(CRIT)) and active responses to reductions in P(N), including the percentage of ramps showing inspiratory flow limitation (IFL; frequency), the P(N) threshold at which IFL developed, maximum inspiratory airflow (Vi(max)), and genioglossus electromyographic (EMG(GG)) activity. Elevations in body weight were associated with progressive elevations in P(CRIT) (0.1 ± 0.02 cmH(2)O/g), independent of mouse strain. P(CRIT) was also elevated in ob(-)/ob(-) compared with BL6 mice (1.6 ± 0.1 cmH(2)O), independent of weight. Both obesity and leptin deficiency were associated with significantly higher IFL frequency and P(N) threshold and lower VI(max). Very obese ob(-)/ob(-) mice treated with leptin compared with nontreated mice showed a decrease in IFL frequency (from 63.5 ± 2.9 to 30.0 ± 8.6%) and P(N) threshold (from -0.8 ± 1.1 to -5.6 ± 0.8 cmH(2)O) and increase in VI(max) (from 354.1 ± 25.3 to 659.0 ± 71.8 μl/s). Nevertheless, passive P(CRIT) in leptin-treated mice did not differ significantly from that seen in nontreated ob(-)/ob(-) mice. The findings suggest that weight and leptin deficiency produced defects in upper airway neuromechanical control and that leptin reversed defects in active neuromuscular responses acutely without reducing mechanical loads.
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Affiliation(s)
- Mikhael Polotsky
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
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Abstract
The clinical syndrome of obstructive sleep apnea (OSAS) in children is a distinct, yet somewhat overlapping disorder with the condition that occurs in adults, such that the clinical manifestations, polysomnographic findings, diagnostic criteria and treatment approaches need to be considered in an age-specific manner. Childhood OSAS has now become widely recognized as a frequent disorder and as a major public health problem. Pediatric OSAS, particularly when obesity is concurrently present, is associated with substantial end-organ morbidities and increased healthcare utilization. Although adenotonsillectomy (T&A) remains the first line of treatment, evidence in recent years suggests that the outcomes of this surgical procedure may not be as favorable as expected, such that post-T&A polysomnographic evaluation may be needed, especially in high-risk patient groups. In addition, incorporation of nonsurgical approaches for milder forms of the disorder and for residual OSAS after T&A is now being investigated.
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Affiliation(s)
- Riva Tauman
- Sleep Disorders Center, Dana Children's Hospital, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv 64239, Israel.
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