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Cai Y, Lv H, Yuan M, Wang J, Wu W, Fang X, Chen C, Mu J, Liu F, Gu X, Xie H, Liu Y, Xu H, Fan Y, Shen C, Ma X. Genome-wide association analysis of cystatin c and creatinine kidney function in Chinese women. BMC Med Genomics 2024; 17:272. [PMID: 39558362 PMCID: PMC11575226 DOI: 10.1186/s12920-024-02048-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2024] [Accepted: 11/07/2024] [Indexed: 11/20/2024] Open
Abstract
BACKGROUND With increasing incidence and treatment costs, chronic kidney disease (CKD) has become an important public health problem in China, especially in females. However, the genetic determinants are very limited. The estimated glomerular filtration rate (eGFR) based on creatinine is commonly used as a measure of renal function but can be easily affected by other factors. In contrast, eGFR based on both creatinine and cystatin C (eGFRcr-cys) improved the diagnostic accuracy of CKD. To our knowledge, no genome-wide association analysis of eGFRcr-cys has been conducted in the Chinese population. METHODS By conducting a Genome-Wide association study(GWAS), a method used to identify associations between genetic regions (genomes) and traits/diseases, we examined the relationship between genetic factors and eGFRcr-cys in Chinese women, with 1983 participants and 3,838,121 variants included in the final analysis. RESULT One significant locus (20p11.21) was identified in the Chinese female population, which has been reported to be associated with eGFR based on cystatin C (eGFRcys) in the European population. More importantly, we found two new suggestive loci (1p31.1 and 11q24.2), which have not yet been reported. A total of three single nucleotide polymorphisms were identified as the most important variants in these regions, including rs2405367 (CST3), rs66588571(KRT8P21), and rs626995 (OR8B2). CONCLUSION We identified 3 loci 20p11.21, 1p31.1, and 11q24.2 to be significantly associated with eGFRcr-cys. These findings and subsequent functional analysis describe new biological clues related to renal function in Chinese women and provide new ideas for the diagnosis and treatment development of CKD.
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Affiliation(s)
- Yang Cai
- College of Public Health, Southwest Medical University, Luzhou, Sichuan, China
- Department of Epidemiology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China
| | - Hongyao Lv
- Department of Epidemiology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China
| | - Meng Yuan
- Department of Epidemiology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China
| | - Jiao Wang
- Department of Epidemiology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China
| | - Wenhui Wu
- Department of Epidemiology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China
| | - Xiaoyu Fang
- Department of Epidemiology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China
| | - Changying Chen
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jialing Mu
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Fangyuan Liu
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xincheng Gu
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Hankun Xie
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yu Liu
- Institute for the prevention and control of chronic non-communicable diseases, Center for Disease Control and Prevention of Jurong City, Jurong, China
| | - Haifeng Xu
- Institute for the prevention and control of chronic non-communicable diseases, Center for Disease Control and Prevention of Jurong City, Jurong, China
| | - Yao Fan
- Department of Clinical Epidemiology, Geriatric Hospital of Nanjing Medical University, Nanjing, China
| | - Chong Shen
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, China.
| | - Xiangyu Ma
- College of Public Health, Southwest Medical University, Luzhou, Sichuan, China.
- Department of Epidemiology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China.
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da Silva WA, Pinheiro AM, Lima PH, Malbouisson LMS. Renal and cardiovascular repercussions in preeclampsia and their impact on fluid management: a literature review. Braz J Anesthesiol 2021; 71:421-428. [PMID: 33845102 PMCID: PMC9373504 DOI: 10.1016/j.bjane.2021.02.052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 02/15/2021] [Accepted: 02/27/2021] [Indexed: 11/25/2022] Open
Abstract
Preeclampsia is a multifactorial condition associated with significant morbidity and mortality. Fluid therapy in these patients is challenging since volume expansion may precipitate pulmonary edema, and fluid restriction may worsen renal function. Furthermore, cardiac impairment may introduce an additional component to the hemodynamic management. This article reviews the repercussions of preeclampsia on renal and cardiovascular systems and the development of pulmonary edema, as well as to discuss fluid management, focusing on the mitigation of adverse outcomes and monitoring alternatives. The literature review was carried out using PubMed, Embase, and Google Scholar databases from May 2019 to March 2020. Papers addressing the subjects of interest were included regardless of the publication language. There is a current trend towards restricting the administration of fluids in women with non-complicated preeclampsia. However, patients with preeclampsia may experience hemorrhagic shock, requiring volume resuscitation. In this case, hemodynamic monitoring is recommended to guide fluid therapy while avoiding complications.
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Affiliation(s)
- Wallace Andrino da Silva
- Universidade de São Paulo (USP), Hospital das Clínicas, Faculdade de Medicina, São Paulo, SP, Brazil; Universidade Federal do Rio Grande do Norte (UFRN), Hospital Universitário Onofre Lopes (HUOL), Natal, RN, Brazil.
| | - Aline Macedo Pinheiro
- Universidade Federal do Rio Grande do Norte (UFRN), Hospital Universitário Onofre Lopes (HUOL), Natal, RN, Brazil
| | - Paulo Henrique Lima
- Universidade Federal do Rio Grande do Norte (UFRN), Hospital Universitário Onofre Lopes (HUOL), Natal, RN, Brazil
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Szczepanski J, Griffin A, Novotny S, Wallace K. Acute Kidney Injury in Pregnancies Complicated With Preeclampsia or HELLP Syndrome. Front Med (Lausanne) 2020; 7:22. [PMID: 32118007 PMCID: PMC7020199 DOI: 10.3389/fmed.2020.00022] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 01/15/2020] [Indexed: 01/12/2023] Open
Abstract
Acute kidney injury that occurs during pregnancy or in the post-partum period (PR-AKI) is a serious obstetric complication with risk of significant associated maternal and fetal morbidity and mortality. Recent data indicates that the incidence of PR-AKI is increasing, although accurate calculation is limited by the lack of a uniform diagnostic criteria that is validated in pregnancy. Hypertensive and thrombotic microangiopathic disorders of pregnancy have been identified as major contributors to the burden of PR-AKI. As is now accepted regarding preeclampsia, HELLP syndrome and atypical hemolytic uremic syndrome, it is believed that PR-AKI may have long-term renal, cardiovascular and neurocognitive consequences that persist beyond the post-partum period. Further research regarding PR-AKI could be advanced by the development of a pregnancy-specific validated definition and classification system; and the establishment of refined animal models that would allow researchers to further elucidate the mechanisms and sequelae of the disorder.
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Affiliation(s)
- Jamie Szczepanski
- Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, MS, United States
| | - Ashley Griffin
- Program in Neuroscience, University of Mississippi Medical Center, Jackson, MS, United States
| | - Sarah Novotny
- Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, MS, United States
| | - Kedra Wallace
- Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, MS, United States.,Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS, United States
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Voigt A, Schleussner E, Schneppenheim R, Budde U, Beck JF, Stefanska-Windyga E, Windyga J, Kentouche K. Pregnancy in Upshaw-Schulman syndrome. Hamostaseologie 2018; 33:144-8. [DOI: 10.5482/hamo-13-04-0025] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Accepted: 05/06/2013] [Indexed: 11/05/2022] Open
Abstract
SummaryThe Upshaw Schulman syndrome (MIM #274150) is a hereditary deficiency of the von Willebrand factor cleaving protease (ADAMTS13) due to homozygous or compound heterozygous mutations in the ADAMTS13 gene. Patients are prone to bouts of thrombotic thrombocytopenic purpura. However, disease manifestation needs a second trigger event. Pregnancy is a known risk factor for TTP. Patients with USS may manifest during pregnancy and the postpartum period or relapse with a TTP bout. Before plasma therapy mortality for both the mother and the fetus was high, but even nowadays when plasma is delivered, therapy is challenging, still bearing a high risk for miscarriage or long term sequelae for the mother.In this report on pregnancies in three mothers with USS, plasma therapy was increased in frequency and amount given with regard to platelet count or ADAMTS13 activity, thus leading to a successful outcome.
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Gao Q, Qu X, Chen X, Zhang J, Liu F, Tian S, Wang C. Outcomes and risk factors of patients with acute fatty liver of pregnancy: a multicentre retrospective study. Singapore Med J 2018; 59:425-430. [PMID: 29297090 DOI: 10.11622/smedj.2018001] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
INTRODUCTION Acute fatty liver of pregnancy (AFLP) frequently causes liver failure in pregnant women. A better understanding of the clinical characteristics, management, outcomes and risk factors of AFLP is required, given its relatively high mortality rate. We aimed to describe the characteristics of AFLP, and further assess its outcomes and potential risk factors from the perspectives of the mother and fetus. METHODS This was a retrospective cohort study of 133 patients with AFLP hospitalised at four tertiary hospitals in China between January 2009 and April 2014. RESULTS Among 133 patients, AFLP was diagnosed in the postpartum period for 13 (9.8%) patients. Potential factors influencing adverse maternal outcome were male fetus (p = 0.04), postpartum diagnosis of AFLP (p < 0.01), intrauterine fetal death (p = 0.04), disseminated intravascular coagulation (p < 0.01), prothrombin time (p < 0.01) and activated partial thromboplastin time (p = 0.04). The frequency of fetal distress (p = 0.03) and activated partial thromboplastin time (p < 0.05) were significantly higher in pregnancies with dead fetuses than in those where the fetuses survived. Independent risk factors for perinatal maternal mortality were history of legal termination of pregnancy (odds ratio [OR] 1.958, 95% confidence interval [CI] 1.133-3.385), total bilirubin (OR 1.009, 95% CI 1.003-1.014) and serum creatinine (OR 1.010, 95% CI 1.003-1.017). CONCLUSION Compared with total bilirubin and serum creatinine, history of legal termination of pregnancy appeared to be a greater risk factor for maternal mortality among patients with AFLP.
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Affiliation(s)
- Qiang Gao
- Department of Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Xin Qu
- Department of Neurosurgery, Xuan Wu Hospital, Capital Medical University, Beijing, China
| | - Xiukai Chen
- Center for Critical Care Nephrology, University of Pittsburgh, School of Medicine, Pittsburgh, USA.,Department of Surgical Intensive Care Unit, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Jicheng Zhang
- Department of Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Fen Liu
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Suochen Tian
- Department of Critical Care Medicine, Liaocheng People's Hospital, Liaocheng, China
| | - Chunting Wang
- Department of Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
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Ramírez Palacios L. Reemplazo renal continuo en eclampsia y síndrome de HELLP. Reporte de un caso. PERINATOLOGÍA Y REPRODUCCIÓN HUMANA 2017. [DOI: 10.1016/j.rprh.2017.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Abstract
The incidence of acute kidney injury in pregnancy (P-AKI) has declined significantly over the last three decades in developing countries. However, it is still associated with significant fetomaternal mortality and morbidity. The diagnosis of P-AKI is based on the serum creatinine increase. The usual formulas for estimating glomerular filtration rate (GFR) are not validated in this population. The incidence of P-AKI with respect to total AKI cases has decreased in the last three decades from 25% in 1980s to 9% in 2000s at our centre. During the first trimester of gestation, AKI develops most often due to septic abortion or hyperemesis gravidarum. Septic abortion related AKI with respect to total AKI decreased from 9% to 5% in our study. Prevention of unwanted pregnancy and avoidance of septic abortion are keys to eliminate abortion associated AKI in early pregnancy. However, we have not seen AKI on account of hyperemesis gravidarum over a period of 33 years at our center. In the third trimester, the differential diagnosis of AKI in association with pregnancy specific conditions namely preeclampsia/HELLP syndrome, acute fatty liver of pregnancy and thrombotic microangiopathies of pregnancy (P-TMA) is more challenging, because these 3 conditions share several clinical features of thrombotic microangiopathy which makes the diagnosis very difficult on clinical grounds. It is imperative to distinguish these conditions to make appropriate therapeutic decisions. Typically, AFLP and HELLP syndrome improve after delivery of the fetus, whereas plasma exchange is the first-line treatment for pregnancy associated thrombotic microangioathies (P-TMA). We observed that preclampsia/eclampsia is the most common cause of AKI in late third trimester and postpartum periods followed by puerperal sepsis and postpartum hemorrhage. Pregnancy-associated thrombotic microangiopathies (aHUS/TTP) and AFLP are rare causes of AKI during pregnancy in developing countries.
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Affiliation(s)
- J Prakash
- Department of Nephrology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - V C Ganiger
- Department of Nephrology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
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Dumnicka P, Sporek M, Mazur-Laskowska M, Ceranowicz P, Kuźniewski M, Drożdż R, Ambroży T, Olszanecki R, Kuśnierz-Cabala B. Serum Soluble Fms-Like Tyrosine Kinase 1 (sFlt-1) Predicts the Severity of Acute Pancreatitis. Int J Mol Sci 2016; 17:ijms17122038. [PMID: 27929426 PMCID: PMC5187838 DOI: 10.3390/ijms17122038] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Revised: 11/23/2016] [Accepted: 11/30/2016] [Indexed: 12/20/2022] Open
Abstract
Organ failure is the most important determinant of the severity of acute pancreatitis (AP). Soluble fms-like tyrosine kinase 1 (sFlt-1) is positively associated with organ failure in sepsis. Our aim was to evaluate the diagnostic utility of automated sFlt-1 measurements for early prediction of AP severity. Adult patients (66) with AP were recruited, including 46 with mild (MAP), 15 with moderately-severe (MSAP) and 5 with severe AP (SAP). Serum and urine samples were collected twice. Serum sFlt-1 was measured with automated electrochemiluminescence immunoassay. Serum concentrations of sFlt-1 were significantly higher in patients with MSAP and SAP as compared to MAP. SAP patients had the highest concentrations. At 24 and 48 h, sFlt-1 positively correlated with inflammatory markers (leukocyte count, C-reactive protein), kidney function (creatinine, urea, cystatin C, serum and urine neutrophil gelatinase-associated lipocalin, urine albumin/creatinine ratio), D-dimer and angiopoietin-2. sFlt-1 positively correlated with the bedside index of severity in AP (BISAP) score and the duration of hospital stay. Serum sFlt-1 above 139 pg/mL predicted more severe AP (MSAP + SAP). In the early phase of AP, sFlt-1 is positively associated with the severity of AP and predicts organ failure, in particular kidney failure. Serum sFlt-1 may be a practical way to improve early assessment of AP severity.
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Affiliation(s)
- Paulina Dumnicka
- Department of Medical Diagnostics, Jagiellonian University Medical College, 30-688 Kraków, Poland.
| | - Mateusz Sporek
- Surgery Department, The District Hospital, 34-200 Sucha Beskidzka, Poland.
- Department of Anatomy, Jagiellonian University Medical College, 31-034 Kraków, Poland.
| | | | - Piotr Ceranowicz
- Department of Physiology, Jagiellonian University Medical College, 31-531 Kraków, Poland.
| | - Marek Kuźniewski
- Chair and Department of Nephrology, Jagiellonian University Medical College, 31-501 Kraków, Poland.
| | - Ryszard Drożdż
- Department of Medical Diagnostics, Jagiellonian University Medical College, 30-688 Kraków, Poland.
| | - Tadeusz Ambroży
- Department of Theory of Sport and Kinesiology, Faculty of Physical Education and Sport, University of Physical Education, 31-571 Kraków, Poland.
| | - Rafał Olszanecki
- Department of Pharmacology, Jagiellonian University Medical College, 31-531 Kraków, Poland.
| | - Beata Kuśnierz-Cabala
- Department of Diagnostics, Chair of Clinical Biochemistry, Jagiellonian University Medical College, 31-501 Kraków, Poland.
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Moyake N, Buchmann E, Crowther NJ. Neutrophil gelatinase-associated lipocalin as a diagnostic marker of acute kidney injury in pre-eclampsia. J Obstet Gynaecol Res 2016; 42:1483-1488. [DOI: 10.1111/jog.13088] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 05/28/2016] [Indexed: 11/28/2022]
Affiliation(s)
- Naledi Moyake
- Department of Chemical Pathology, National Health Laboratory Service; University of the Witwatersrand Faculty of Health Sciences; Johannesburg South Africa
| | - Eckhart Buchmann
- Department of Obstetrics and Gynaecology, Chris Hani Baragwanath Academic Hospital; University of the Witwatersrand; Johannesburg South Africa
| | - Nigel J. Crowther
- Department of Chemical Pathology, National Health Laboratory Service; University of the Witwatersrand Faculty of Health Sciences; Johannesburg South Africa
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Elizalde-Valdés V, Téllez-Becerril G, López-Aceves L. Construcción y validación de una escala de factores de riesgo para complicaciones de preeclampsia. CLINICA E INVESTIGACION EN GINECOLOGIA Y OBSTETRICIA 2016. [DOI: 10.1016/j.gine.2014.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Affiliation(s)
- Yuko Shimizu
- Department of Neurology; Tokyo Women's Medical University School of Medicine; Tokyo Japan
| | - Kazuo Kitagawa
- Department of Neurology; Tokyo Women's Medical University School of Medicine; Tokyo Japan
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Wiles KS, Banerjee A. Acute kidney injury in pregnancy and the use of non-steroidal anti-inflammatory drugs. ACTA ACUST UNITED AC 2016. [DOI: 10.1111/tog.12257] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Kate S Wiles
- Department of Women's Health; Guy's and St. Thomas' NHS Foundation Trust; Westminster Bridge Road London SE1 7EH UK
| | - Anita Banerjee
- Department of Women's Health; Guy's and St. Thomas' NHS Foundation Trust; Westminster Bridge Road London SE1 7EH UK
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Webb TN, Griffiths H, Miyashita Y, Bhatt R, Jaffe R, Moritz M, Hofer J, Swiatecka-Urban A. Atypical Hemolytic Uremic Syndrome and Chronic Ulcerative Colitis Treated with Eculizumab. ACTA ACUST UNITED AC 2015; 4:105-112. [PMID: 27135055 PMCID: PMC4849479 DOI: 10.9734/ijmpcr/2015/18771] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Background Hemolytic-uremic syndrome (HUS) presents with hemolytic anemia, thrombocytopenia, and thrombotic microangiopathy of the kidney and usually results from Shiga-toxin induced activation of the alternative complement pathway. Gastroenteritis is a common feature of the Shiga-toxin producing Escherichia coli HUS, referred to as STEC-HUS. An inherited or acquired complement dysregulation may lead to HUS referred to as non-STEC or atypical (a)HUS. Although gastroenteritis is not a common presentation of aHUS, some patients develop ischemic colitis and may be misdiagnosed as acute appendicitis or acute ulcerative colitis (UC). Case Diagnosis –Treatment We present a patient with low circulating complement (C) 3 levels who developed aHUS in the course of chronic active UC. Resolution of renal and gastrointestinal manifestations in response to treatment with eculizumab, a humanized monoclonal antibody against terminal C5 protein suggests the role of alternative complement in the pathogenesis of both, aHUS and UC. Conclusion This case illustrates that dysregulation of the alternative complement pathway may manifest in other organs besides the kidney and that the circulating C3 levels do not correlate with the disease activity or the clinical response to eculizumab.
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Affiliation(s)
- Tennille N Webb
- Department of Pediatric Nephrology, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA
| | - Heidi Griffiths
- Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA
| | - Yosuke Miyashita
- Department of Pediatric Nephrology, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA
| | - Riha Bhatt
- Department of Gastroenterology, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania
| | - Ronald Jaffe
- Department of Pathology, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Michael Moritz
- Department of Pediatric Nephrology, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA
| | - Johannes Hofer
- Department of Pediatrics, Innsbruck Medical University, Austria
| | - Agnieszka Swiatecka-Urban
- Department of Pediatric Nephrology, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA.; Department of Clinical Biology and Physiology, University of Pittsburgh School of Medicine, One Children's Hospital Drive, 4401 Penn Avenue, Pittsburgh, Pennsylvania, USA
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Xiong HF, Liu JY, Guo LM, Li XW. Acute fatty liver of pregnancy: Over six months follow-up study of twenty-five patients. World J Gastroenterol 2015; 21:1927-1931. [PMID: 25684961 PMCID: PMC4323472 DOI: 10.3748/wjg.v21.i6.1927] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 07/29/2014] [Accepted: 09/05/2014] [Indexed: 02/07/2023] Open
Abstract
AIM: To evaluate the prognosis of patients with acute fatty liver of pregnancy (AFLP) 6 mo or longer after discharge.
METHODS: The records of pregnant patients diagnosed with AFLP at Beijing Ditan Hospital over a 16-year period were reviewed in November 2012. Patients were monitored using abdominal ultrasound, liver and kidney functions, and routine blood examination.
RESULTS: A total of 42 patients were diagnosed with AFLP during the study period, and 25 were followed. The mean follow-up duration was 54.5 mo (range: 6.5-181 mo). All patients were in good physical condition, but one patient had gestational diabetes. The renal and liver functions normalized in all patients after recovery, including in those with pre-existing liver or kidney failure. The ultrasound findings were normal in 12 patients, an increasingly coarsened echo-pattern and increased echogenicity of the liver in 10 patients, and mild to moderate fatty liver infiltration in 3 patients. Cirrhosis or liver nodules were not observed in any patient.
CONCLUSION: Acute liver failure and acute renal failure in AFLP patients is reversible. Patients do not require any specific long-term follow-up after recovery from AFLP if their liver function tests have normalized and they remain well.
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Postpartum acute renal failure: a multicenter study of risk factors in patients admitted to ICU. Ann Intensive Care 2014; 4:36. [PMID: 25593752 PMCID: PMC4273687 DOI: 10.1186/s13613-014-0036-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 11/04/2014] [Indexed: 12/27/2022] Open
Abstract
Background Even in developed countries, severe specific pregnancy complications may occur in the immediate postpartum period and require admission to the ICU. The characteristics and risk factors of acute renal failure (ARF) induced by these complications and their treatments are not well known. Methods We performed a retrospective multicenter study in three intensive care departments linked to level III maternity wards in the north of France. All patients admitted to ICU for postpartum complications over a 5-year period (2008 to 2012) were included. Clinical and biological data, delivery characteristics, type of complications, and treatments were compared by univariate and multivariate analyses according to the occurrence and severity of ARF. Results One hundred eighty-two patients admitted to ICU for postpartum complications were included in the study. Sixty-eight patients (37%) developed an ARF: 49 with a low or medium severity and 19 with a severe ARF requiring renal replacement therapy. Hemolysis, elevated liver enzyme, and low platelet count (HELLP) syndrome on its own (p = 0.047) or combined with postpartum haemorrhage (p = 0.003), previous treatment by hyperoncotic albumin infusion (p = 0.001) and blockade of fibrinolysis by tranexamic acid (p = 0.03), was associated with secondary ARF. By multivariate analysis, the only independent factors were the association of HELLP syndrome with postpartum haemorrhage and the use of hyperoncotic albumin infusion. Conclusions HELLP syndrome associated with postpartum haemorrhage induces a high risk of ARF in the complicated postpartum setting. A particular attention should be given to treatments that could worsen the kidney function in that situation.
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Norwood F, Dhanjal M, Hill M, James N, Jungbluth H, Kyle P, O'Sullivan G, Palace J, Robb S, Williamson C, Hilton-Jones D, Nelson-Piercy C. Myasthenia in pregnancy: best practice guidelines from a U.K. multispecialty working group. J Neurol Neurosurg Psychiatry 2014; 85:538-43. [PMID: 23757420 DOI: 10.1136/jnnp-2013-305572] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A national U.K. workshop to discuss practical clinical management issues related to pregnancy in women with myasthenia gravis was held in May 2011. The purpose was to develop recommendations to guide general neurologists and obstetricians and facilitate best practice before, during and after pregnancy. The main conclusions were (1) planning should be instituted well in advance of any potential pregnancy to allow time for myasthenic status and drug optimisation; (2) multidisciplinary liaison through the involvement of relevant specialists should occur throughout pregnancy, during delivery and in the neonatal period; (3) provided that their myasthenia is under good control before pregnancy, the majority of women can be reassured that it will remain stable throughout pregnancy and the postpartum months; (4) spontaneous vaginal delivery should be the aim and actively encouraged; (5) those with severe myasthenic weakness need careful, multidisciplinary management with prompt access to specialist advice and facilities; (6) newborn babies born to myasthenic mothers are at risk of transient myasthenic weakness, even if the mother's myasthenia is well-controlled, and should have rapid access to neonatal high-dependency support.
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Affiliation(s)
- Fiona Norwood
- Department of Neurology, Ruskin Wing, King's College Hospital, Denmark Hill, , London, UK
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Insuffisance rénale aiguë et prééclampsie. MEDECINE INTENSIVE REANIMATION 2013. [DOI: 10.1007/s13546-013-0692-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Acharya A, Santos J, Linde B, Anis K. Acute kidney injury in pregnancy-current status. Adv Chronic Kidney Dis 2013; 20:215-22. [PMID: 23928385 DOI: 10.1053/j.ackd.2013.02.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 02/07/2013] [Accepted: 02/08/2013] [Indexed: 12/17/2022]
Abstract
Pregnancy-related acute kidney injury (PR-AKI) causes significant maternal and fetal morbidity and mortality. Management of PR-AKI warrants a thorough understanding of the physiologic adaptations in the kidney and the urinary tract. Categorization of etiologies of PR-AKI is similar to that of acute kidney injury (AKI) in the nonpregnant population. The causes differ between developed and developing countries, with thrombotic microangiopathies (TMAs) being common in the former and septic abortion and puerperal sepsis in the latter. The incidence of PR-AKI is reported to be on a decline, but there is no consensus on the exact definition of the condition. The physiologic changes in pregnancy make diagnosis of PR-AKI difficult. Newer biomarkers are being studied extensively but are not yet available for clinical use. Early and accurate diagnosis is necessary to improve maternal and fetal outcomes. Timely identification of "at-risk" individuals and treatment of underlying conditions such as sepsis, preeclampsia, and TMAs remain the cornerstone of management. Questions regarding renal replacement therapy such as modality, optimal prescription, and timing of initiation in PR-AKI remain unclear. There is a need to systematically explore these variables to improve care of women with PR-AKI.
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Recessive mutations in DGKE cause atypical hemolytic-uremic syndrome. Nat Genet 2013; 45:531-6. [PMID: 23542698 PMCID: PMC3719402 DOI: 10.1038/ng.2590] [Citation(s) in RCA: 329] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Accepted: 03/01/2013] [Indexed: 12/14/2022]
Abstract
Pathologic thrombosis is a major cause of mortality. Hemolytic-uremic syndrome (HUS) features episodes of small-vessel thrombosis resulting in microangiopathic hemolytic anemia, thrombocytopenia and renal failure. Atypical HUS (aHUS) can result from genetic or autoimmune factors that lead to pathologic complement cascade activation. Using exome sequencing, we identified recessive mutations in DGKE (encoding diacylglycerol kinase ɛ) that co-segregated with aHUS in nine unrelated kindreds, defining a distinctive Mendelian disease. Affected individuals present with aHUS before age 1 year, have persistent hypertension, hematuria and proteinuria (sometimes in the nephrotic range), and develop chronic kidney disease with age. DGKE is found in endothelium, platelets and podocytes. Arachidonic acid-containing diacylglycerols (DAG) activate protein kinase C (PKC), which promotes thrombosis, and DGKE normally inactivates DAG signaling. We infer that loss of DGKE function results in a prothrombotic state. These findings identify a new mechanism of pathologic thrombosis and kidney failure and have immediate implications for treating individuals with aHUS.
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Abstract
Because women are becoming pregnant at a later age, hypertension is more commonly encountered in pregnancy. In addition, with increasing numbers of young women living with renal transplants and kidney disease, it is important for physicians to be aware of the effects of pregnancy on these diseases. A multidisciplinary approach is essential to assess and care for pregnant women with kidney disease. Pre-pregnancy counselling should be offered to all women with chronic kidney disease. A review of medication to avoid teratogenicity and optimise the disease prior to conception is the ideal. Pregnancy may be the first medical review for a young woman, who may present with a previously undiagnosed renal problem.
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Affiliation(s)
- Ines Palma-Reis
- Women's Health, Guy's and St Thomas' Hospital NHS Foundation Trust, London
| | - Alina Vais
- Women's Health, Guy's and St Thomas' Hospital NHS Foundation Trust, London
| | | | - Anita Banerjee
- Women's Health, Guy's and St Thomas' Hospital NHS Foundation Trust, London
- Acute Medicine, Princess Royal University Hospital, South London Healthcare Trust, London
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Pregnancy-Associated Kidney Injury. CLINICAL DECISIONS IN NEPHROLOGY, HYPERTENSION AND KIDNEY TRANSPLANTATION 2013. [PMCID: PMC7120508 DOI: 10.1007/978-1-4614-4454-1_48] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A 23-year-old G1P0000 without prior past medical history is 31 weeks pregnant with prenatal care presents with complaints of worsening leg and face swelling for the past 2 days now seeks care because of headache, diarrhea, nausea, and vomiting. On exam she is found to have a blood pressure of 120/86, edema, and brisk deep tendon reflexes. Laboratory testing revealed hemoglobin 11.3 g/dl, platelet count 141,000/μl white blood count 18,000/μl, creatinine 1.1 mg/dl, aspartate aminotransferases (AST) 65 U/l, lactate dehydrogenase (LDH) 400 U/l, total bilirubin 1.1 mg/dl, prothrombin time (PT) 14.7 s, ammonia of 90 mcg/dl, blood glucose 139 mg/dl, calcium 7.3 mg/dl, and uric acid of 6.0 mg/dl. The urinalysis demonstrated WBC’s 3–5/hpf, RBC’s 3–5/hpf—non-dysmorphic, renal tubular epithelial cells were seen and a urine protein to creatinine ratio of 2. One day after hospitalization the patient’s blood pressure was 145/87 with a similar blood pressure 6 h later.
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McCrae KR. Thrombocytopenia in Pregnancy. Platelets 2013. [DOI: 10.1016/b978-0-12-387837-3.00044-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Abstract
The spectrum of kidney disease occurring during pregnancy includes preeclampsia, hypertensive disorders of pregnancy, urinary tract infection, acute kidney injury, and renal cortical necrosis (RCN). Preeclampsia affects approximately 3-5% of pregnancies. We observed preeclampsia in 5.8% of pregnancies, and 2.38% of our preeclamptic women developed eclampsia. Severe preeclampsia and the eclampsia or hemolysis, elevated liver enzymes levels, and low platelets count (HELLP) syndrome accounted for about 40% of cases of acute kidney injury (AKI) in pregnancy. Preeclampsia/eclampsia was the cause of acute renal failure (ARF) in 38.3% of the cases. Preeclampsia was the most common (91.7%) cause of hypertension during pregnancy, and chronic hypertension was present in 8.3% of patients. We observed urinary tract infection (UTI) in 9% of pregnancies. Sepsis resulting from pyelonephritis can progress to endotoxic shock, disseminated intravascular coagulation, and AKI. The incidence of premature delivery and low birth weight is higher in women with UTI. The incidence of AKI in pregnancy with respect to total ARF cases has decreased over the last 30 years from 25% in 1980s to 5% in 2000s. Septic abortion-related ARF decreased from 9% to 3%. Prevention of unwanted pregnancy and avoidance of septic abortion are key to eliminate abortion-associated ARF in early pregnancy. The two most common causes of ARF in third trimester and postpartum periods were puerperal sepsis and preeclampsia/HELLP syndrome. Pregnancy-associated thrombotic thrombocytopenic purpura/hemolytic uremic syndrome and acute fatty liver of pregnancy were rare causes of ARF. Despite decreasing incidence, AKI remains a serious complication during pregnancy.
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Affiliation(s)
- J. Prakash
- Department of Nephrology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
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Gurrieri C, Garovic VD, Gullo A, Bojanić K, Sprung J, Narr BJ, Weingarten TN. Kidney injury during pregnancy: associated comorbid conditions and outcomes. Arch Gynecol Obstet 2012; 286:567-73. [PMID: 22526449 DOI: 10.1007/s00404-012-2323-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Accepted: 03/27/2012] [Indexed: 12/19/2022]
Abstract
PURPOSE To investigate the characteristics of women who have kidney injury during pregnancy. METHODS Medical records of all women who gave birth at our institution between January 1, 2005, and December 31, 2010, were retrospectively reviewed electronically. We identified those who incurred a kidney injury [defined by modified Acute Kidney Injury Network (AKIN) criteria: serum creatinine (sCr) increase ≥0.3 mg/dL] during pregnancy or within 30 days postpartum. Identified case records were reviewed in detail. RESULTS During the study period, 54 women had a kidney injury (0.4 % estimated incidence) with a mean (SD) increase in sCr of 0.46 (0.29) mg/dL; most injuries were AKIN stage 1 with transient increases in sCr. Most of the women (n = 48, 87.3 %) had substantial preexisting or pregnancy-associated comorbid conditions (e.g., kidney disease, hypertension, diabetes), complications (e.g., preeclampsia, HELLP syndrome), or a complicated obstetric course (hemorrhage, infections) that could have contributed to the development of a kidney injury. Two patients had AKIN stage 3 injuries: a previously healthy patient who had a massive hemorrhage during cesarean delivery, and a patient with a renal transplant who had deterioration and eventual postpartum failure of her transplanted kidney. CONCLUSIONS The majority of pregnancy-associated kidney injuries were transient and occurred in women with substantial comorbid conditions or complicated pregnancies.
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Affiliation(s)
- Carmelina Gurrieri
- Department of Anesthesiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
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