Meta-Analysis
Copyright ©The Author(s) 2024.
World J Gastrointest Endosc. Oct 16, 2024; 16(10): 566-580
Published online Oct 16, 2024. doi: 10.4253/wjge.v16.i10.566
Table 1 Baseline characteristics of the studies on peroral endoscopic myotomy for achalasia in pediatric patients
Ref.
Country
Study type
Study interval
Patients (n)
Gender (M:F)
Age (yr)
Duration of symptoms (month)
Myotomy length (cm)
Operation time (min)
Hospital stay (day)
Follow-up (month)
Method of GERD diagnosis
Li et al[19], 2015ChinaProspectiveOctober 2011 to March 201494:514.1 (10-17)26.4 (6-60)8.356.7-16.3 (3-30)Esophageal manometry, barium esophagram and EGD
Chen et al[20], 2015ChinaProspectiveAugust 2010 to July 20122711:1613.8 (6-17)20.4 (6-36)9.6 (7-11)39.4 (21-90)3.2 (1-7)24.6 (15-38)EGD
Caldaro et al[21], 2015ItalyRetrospective2009 to 201493:612.2 ± 3.8-11 ± 262 ± 12.74.1 (2-7)12.7 (5-28)pH-monitoring and EGD
Tang et al[22], 2015ChinaRetrospectiveJuly 2012 to August 201453:21512 (3-15)8 (6-11)50 (40-90)7 (5-13)18 (12-23)EGD, mano-metry
Tan et al[23], 2016ChinaRetrospectiveJanuary 2007 to June 2015126:613.7 ± 2.623.6 ± 16.8---36EGD, esophageal manometry
Stavropoulos et al[24], 2017United StatesRetrospective12013 to 2016107:314.7 (10-17)21 (3-84)11.4 ± 5.9855 (33-111)1.2 (1-2)15 (1-30)-
Zangen et al[25], 2017IsraelRetrospective1-52:315.4 (10- 18) -11.2 (10-14) 62 (43-73)-6HRM
Kethman et al[26], 2018United StatesProspective2014 to 2016108:213.4 ± 3.3-7 (4-9)142 (60-259)---
Miao et al[27], 2018ChinaProspectiveOctober 2014 to October 2016219:125.5 (0.9-18)18 (3.6-30)9 (6-11)40 (30-55)9 (7-12)13.2 (3-24)99mTc DTPA scintigraphic examinations, gastroscopy and esophageal manometry
Korrapati et al[28], 2018IndiaRetrospective1-1510:515 (3-18)21.9 (6-54)8 (6-11)85.3 ± 314.4 ± 2.519.8 (1.5-51)EGD
Nishimoto et al[29], 2018JapanRetrospective1May 2015 to November 201713-15 (10-18)----18.3 (0-30)-
Mangiola et al[30], 2018ItalyRetrospective1January 2012 to June 20172612:1410.9 (2-17)18.2 ± 14.910 ± 2.656.2 ± 12.63.7 ± 1.730.2 ± 15.4Manometry, 24 h pH-monitoring, and EGD
Yamashita et al[31], 2018JapanRetrospective1September 2011 to June 20177-15.0 (9-18)30.7 (1-84)14 (7-24)--39.6 (18-54)-
Choné et al[32], 2019FranceRetrospectiveJanuary 2012 to August 201811769:4814.2 (3.7)21.3 (21.2)8.3 (3-21)72.5 (16-240)3.9 (1-14) 18 (3.3-53.7)-
Nabi et al[33], 2019IndiaRetrospectiveSeptember 2013 to Jan 20184422:2114.58 ± 3.4124 (2-96)10.09 (5-15)65.46 (18-240)3 (2-4)18 (1-53.1)Symptoms, EGD and 24-h pH-impedance
Liu et al[34], 2019ChinaRetrospectiveAugust 2010 to August 201713082:48-12 (0-13)7.2 ± 1.430 (15-255)3 (1-21)40 (4-88)Barium swallow, EGD and HRM
Saez et al[35], 2020ChileRetrospectiveMarch 2017 to November 201954:111 (5-15)-9.8 (9-11)70 (50-120)2 (1-3)20.5 (4 -37)EGD and HRM
Wood et al[36], 2020United StatesProspective2014 to 2019.2114:713 (2-17)-7 ± 1.192 ± 521 ± 0.512-
Peng et al[37], 2022ChinaRetrospectiveOctober 2011 to November 20162414:1014.42 ± 2.6514.5 (3-84)9 (5-10)58.67 ± 19.106.42 ± 2.1585.75 ± 25.91Gerd Q score and EGD
Petrosyan et al[38], 2022United StatesRetrospectiveJuly 2015 to September 20213723:1411.6 ± 4.5-6.5 ± 0.93138.1 ± 62.22.4 ± 0.922.6 ± 20-
Table 2 Clinical outcomes of the studies on peroral endoscopic myotomy for achalasia in pediatric patients, n (%)
Ref.
Technical success
Clinical success
GERD
Adverse events
Li et al[19], 20159/9 (100)9/9 (100)1/9 (11.1)2/9 (11.1)
Chen et al[20], 201526/27 (96.3)26/26 (100)5/26 (19.2)9/26 (34.6) (Cumulative adverse events on CT scan: 53)
Caldaro et al[21], 20159/9 (100)9/9 (100)1/9 (11.1)1/9 (11.1)
Tang et al[22], 20155/5 (100)4/4 (100)0 (0)0 (0)
Tan et al[23], 201612/12 (100)12/12 (100)2/12 (16.7)3/12 (8.3)
Stavropoulos et al[24], 201710/10 (100)10/10 (100)2/5 (40)4/10 (40)
Zangen et al[25], 20175/5 (100)5/5 (100)0 (0)0 (0)
Kethman et al[26], 201810/10 (100)8/10 (80)0 (0)3/10 (30)
Miao et al[27], 201821/21 (100)21/21 (100)6/21 (28.6)12/21 (57.1)
Korrapati et al[28], 201815/15 (100)15/15 (100)0 (0)2/15 (13.3)
Nishimoto et al[29], 201813/13 (100)12/13 (92.3)-2/13 (15.4)
Mangiola et al[30], 201825/26 (96.2)26/26 (100)4/17 (23.5)6/26 (23.1)
Yamashita et al[31], 20187/7 (100)7/7 (100)-0 (0)
Choné et al[32], 2019116/117 (99.1)106/117 (90.6)17/117 (21.4)7/117 (8.5)
Nabi et al[33], 201943/44 (97.7)40/44 (90.9)11/20 (55)11/43 (25.6)
Liu et al[34], 2019129/130 (99.2)108/113 (95.6)30/111 (27.0)5/130 (3.8)
Saez et al[35], 20205/5 (100)5/5 (100)2/5 (40)0 (0)
Wood et al[36], 202021/21 (100)21/21 (100)-6/21 (28.6)
Peng et al[37], 202224/24 (100)23/24 (95.8)5/21 (23.8)0 (0)
Petrosyan et al[38], 202237/37 (100)37/37 (100)3/37 (8.1)9/37 (24.3)
Table 3 Baseline characteristics of the studies on peroral endoscopic myotomy for achalasia in geriatric patients
Ref.
Country
Study type
Study interval
Patients (n)
Gender (M:F)
Age (yr)
Duration of symptoms (month)
Myotomy length (cm)
Operation time (min)
Hospital stay (day)
Follow-up (month)
Method of GERD diagnosis
Wang et al[39], 2016ChinaRetrospectiveJanuary 2010 to December 20152112:967.9 ± 4.313.9 ± 11.7---21.8EGD, esophageal manometry and barium esophagram
Chen et al[13], 2018United StatesRetrospectiveJanuary 2010 to January 20167640:3684 ± 3.224.0 (17.8-30.3)10.0 ± 4.0103.7 ± 47.938.5 (IQR: 2.2-18.2)-
Landi et al[40], 2018ItalyRetrospective1May 2011 to April 20178839:4972.2 ± 4.7-12.3 ± 3--24-
Liu et al[41], 2019ChinaRetrospectiveAugust 2010 to December 201713965:7470.22 ± 5.688 (IQR: 2-20)10.57 ± 1.8150 (IQR: 36-76)3 (IQR: 2-4)41 (IQR: 26-60)Barium swallow, EGD and HRM
Klair et al[42], 2019United StatesRetrospective1December 2014 to October 20186236:2672.3 ± 5.7-13.8-1.9--
Abe et al[43], 2020JapanRetrospectiveApril 2015 to March 20192812:16≥ 805.5 (0.25-59)14.5 (4-26)60.5 (36-124)9.8 (4-51)-EGD and HRM
Sanaka et al[44], 2020United StatesRetrospectiveApril 2014 to May 20195531:2474 (70-79)30 (12-60)10 (IQR: 8-10)90 (IQR: 7.5-110)1 (IQR: 1-2)2.4 (IQR: 2.2-2.7)HRM, timed barium esophagram and 24-h esophageal pH study
Angeli Abad et al[45], 2020NetherlandsRetrospective1September 2008 to June 20196628:3883 (80-92)10.5 (0.2-62.4)--7 ± 4.112-
Okada et al[46], 2021JapanRetrospectiveSeptember 2011 to March 202010040:6074.2 (65-93)10.3 ± 13.612.5 (3-25)138.3 (50-460)-36-
Nakamura et al[47], 2021JapanRetrospectiveAugust 2014 to May 2021117:481 (75-87)5 (2-40)13 (8-19)109 (62-144)-36EGD, esophagography and HRM
Ujiie et al[48], 2021JapanRetrospectiveJanuary 2015 to December 20191812:678 (75-86)4.4 (0.05-50.2)10 (5-16)104 (45-165)-2IRP, HRM and EGD
Zhao et al[49], 2022ChinaRetrospective1November 2010 to September 2019146---7.09 ± 2.4946.87 ± 19.29--GerdQ score
Table 4 Results of the studies on peroral endoscopic myotomy for achalasia in geriatric patients, n (%)
Ref.
Technical success
Clinical success
GERD
Adverse events
Wang et al[39], 201621/21 (100)20/21 (95.2)2/21 (9.5)1/21 (4.8)
Chen et al[13], 201871/76 (93.4)59/65 (90.8)13/76 (16.1)11/76 (14.5)
Landi et al[40], 201888/88 (100)84/88 (95.4)--
Liu et al[41], 2019138/139 (99.3)79/85 (92.9)20/85 (23.53)4/139 (2.88)
Klair et al[42], 201962/62 (100)55/62 (88.7)-5/62 (8.1)
Abe et al[43], 202028/28 (100)17/17 (100)3/23 (13.0)8/28 (28.6)
Sanaka et al[44], 202055/55 (100)36/38 (94.7)6/51(11.8)3/55 (5.5)
Angeli Abad et al[45], 202066/66 (100)19/20 (95.0)-5/66 (7.6)
Okada et al[46], 2021100/100 (100)92/92 (100)-11/100 (11)
Nakamura et al[47], 202111/11 (100)11/11 (100)1/11 (9)3/11 (27.3)
Ujiie et al[48], 202118/18 (100)18/18 (100)1/18 (5.6)0 (0)
Zhao et al[49], 2022146/146 (100)(96.33)(15.60)-