Meta-Analysis
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©The Author(s) 2024. Published by Baishideng Publishing Group Inc. All rights reserved.
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 ], 2015 China Prospective October 2011 to March 2014 9 4:5 14.1 (10-17) 26.4 (6-60) 8.3 56.7 - 16.3 (3-30) Esophageal manometry, barium esophagram and EGD Chen et al [20 ], 2015 China Prospective August 2010 to July 2012 27 11:16 13.8 (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 ], 2015 Italy Retrospective 2009 to 2014 9 3:6 12.2 ± 3.8 - 11 ± 2 62 ± 12.7 4.1 (2-7) 12.7 (5-28) pH-monitoring and EGD Tang et al [22 ], 2015 China Retrospective July 2012 to August 2014 5 3:2 15 12 (3-15) 8 (6-11) 50 (40-90) 7 (5-13) 18 (12-23) EGD, mano-metry Tan et al [23 ], 2016 China Retrospective January 2007 to June 2015 12 6:6 13.7 ± 2.6 23.6 ± 16.8 - - - 36 EGD, esophageal manometry Stavropoulos et al [24 ], 2017 United States Retrospective1 2013 to 2016 10 7:3 14.7 (10-17) 21 (3-84) 11.4 ± 5.98 55 (33-111) 1.2 (1-2) 15 (1-30) - Zangen et al [25 ], 2017 Israel Retrospective1 - 5 2:3 15.4 (10- 18) - 11.2 (10-14) 62 (43-73) - 6 HRM Kethman et al [26 ], 2018 United States Prospective 2014 to 2016 10 8:2 13.4 ± 3.3 - 7 (4-9) 142 (60-259) - - - Miao et al [27 ], 2018 China Prospective October 2014 to October 2016 21 9:12 5.5 (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 ], 2018 India Retrospective1 - 15 10:5 15 (3-18) 21.9 (6-54) 8 (6-11) 85.3 ± 31 4.4 ± 2.5 19.8 (1.5-51) EGD Nishimoto et al [29 ], 2018 Japan Retrospective1 May 2015 to November 2017 13 - 15 (10-18) - - - - 18.3 (0-30) - Mangiola et al [30 ], 2018 Italy Retrospective1 January 2012 to June 2017 26 12:14 10.9 (2-17) 18.2 ± 14.9 10 ± 2.6 56.2 ± 12.6 3.7 ± 1.7 30.2 ± 15.4 Manometry, 24 h pH-monitoring, and EGD Yamashita et al [31 ], 2018 Japan Retrospective1 September 2011 to June 2017 7 - 15.0 (9-18) 30.7 (1-84) 14 (7-24) - - 39.6 (18-54) - Choné et al [32 ], 2019 France Retrospective January 2012 to August 2018 117 69:48 14.2 (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 ], 2019 India Retrospective September 2013 to Jan 2018 44 22:21 14.58 ± 3.41 24 (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 ], 2019 China Retrospective August 2010 to August 2017 130 82:48 - 12 (0-13) 7.2 ± 1.4 30 (15-255) 3 (1-21) 40 (4-88) Barium swallow, EGD and HRM Saez et al [35 ], 2020 Chile Retrospective March 2017 to November 2019 5 4:1 11 (5-15) - 9.8 (9-11) 70 (50-120) 2 (1-3) 20.5 (4 -37) EGD and HRM Wood et al [36 ], 2020 United States Prospective 2014 to 2019. 21 14:7 13 (2-17) - 7 ± 1.1 92 ± 52 1 ± 0.5 12 - Peng et al [37 ], 2022 China Retrospective October 2011 to November 2016 24 14:10 14.42 ± 2.65 14.5 (3-84) 9 (5-10) 58.67 ± 19.10 6.42 ± 2.15 85.75 ± 25.91 Gerd Q score and EGD Petrosyan et al [38 ], 2022 United States Retrospective July 2015 to September 2021 37 23:14 11.6 ± 4.5 - 6.5 ± 0.93 138.1 ± 62.2 2.4 ± 0.9 22.6 ± 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 ], 2015 9/9 (100) 9/9 (100) 1/9 (11.1) 2/9 (11.1) Chen et al [20 ], 2015 26/27 (96.3) 26/26 (100) 5/26 (19.2) 9/26 (34.6) (Cumulative adverse events on CT scan: 53) Caldaro et al [21 ], 2015 9/9 (100) 9/9 (100) 1/9 (11.1) 1/9 (11.1) Tang et al [22 ], 2015 5/5 (100) 4/4 (100) 0 (0) 0 (0) Tan et al [23 ], 2016 12/12 (100) 12/12 (100) 2/12 (16.7) 3/12 (8.3) Stavropoulos et al [24 ], 2017 10/10 (100) 10/10 (100) 2/5 (40) 4/10 (40) Zangen et al [25 ], 2017 5/5 (100) 5/5 (100) 0 (0) 0 (0) Kethman et al [26 ], 2018 10/10 (100) 8/10 (80) 0 (0) 3/10 (30) Miao et al [27 ], 2018 21/21 (100) 21/21 (100) 6/21 (28.6) 12/21 (57.1) Korrapati et al [28 ], 2018 15/15 (100) 15/15 (100) 0 (0) 2/15 (13.3) Nishimoto et al [29 ], 2018 13/13 (100) 12/13 (92.3) - 2/13 (15.4) Mangiola et al [30 ], 2018 25/26 (96.2) 26/26 (100) 4/17 (23.5) 6/26 (23.1) Yamashita et al [31 ], 2018 7/7 (100) 7/7 (100) - 0 (0) Choné et al [32 ], 2019 116/117 (99.1) 106/117 (90.6) 17/117 (21.4) 7/117 (8.5) Nabi et al [33 ], 2019 43/44 (97.7) 40/44 (90.9) 11/20 (55) 11/43 (25.6) Liu et al [34 ], 2019 129/130 (99.2) 108/113 (95.6) 30/111 (27.0) 5/130 (3.8) Saez et al [35 ], 2020 5/5 (100) 5/5 (100) 2/5 (40) 0 (0) Wood et al [36 ], 2020 21/21 (100) 21/21 (100) - 6/21 (28.6) Peng et al [37 ], 2022 24/24 (100) 23/24 (95.8) 5/21 (23.8) 0 (0) Petrosyan et al [38 ], 2022 37/37 (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 ], 2016 China Retrospective January 2010 to December 2015 21 12:9 67.9 ± 4.3 13.9 ± 11.7 - - - 21.8 EGD, esophageal manometry and barium esophagram Chen et al [13 ], 2018 United States Retrospective January 2010 to January 2016 76 40:36 84 ± 3.2 24.0 (17.8-30.3) 10.0 ± 4.0 103.7 ± 47.9 3 8.5 (IQR: 2.2-18.2) - Landi et al [40 ], 2018 Italy Retrospective1 May 2011 to April 2017 88 39:49 72.2 ± 4.7 - 12.3 ± 3 - - 24 - Liu et al [41 ], 2019 China Retrospective August 2010 to December 2017 139 65:74 70.22 ± 5.68 8 (IQR: 2-20) 10.57 ± 1.81 50 (IQR: 36-76) 3 (IQR: 2-4) 41 (IQR: 26-60) Barium swallow, EGD and HRM Klair et al [42 ], 2019 United States Retrospective1 December 2014 to October 2018 62 36:26 72.3 ± 5.7 - 13.8 - 1.9 - - Abe et al [43 ], 2020 Japan Retrospective April 2015 to March 2019 28 12:16 ≥ 80 5.5 (0.25-59) 14.5 (4-26) 60.5 (36-124) 9.8 (4-51) - EGD and HRM Sanaka et al [44 ], 2020 United States Retrospective April 2014 to May 2019 55 31:24 74 (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 ], 2020 Netherlands Retrospective1 September 2008 to June 2019 66 28:38 83 (80-92) 10.5 (0.2-62.4) - - 7 ± 4.1 12 - Okada et al [46 ], 2021 Japan Retrospective September 2011 to March 2020 100 40:60 74.2 (65-93) 10.3 ± 13.6 12.5 (3-25) 138.3 (50-460) - 36 - Nakamura et al [47 ], 2021 Japan Retrospective August 2014 to May 2021 11 7:4 81 (75-87) 5 (2-40) 13 (8-19) 109 (62-144) - 36 EGD, esophagography and HRM Ujiie et al [48 ], 2021 Japan Retrospective January 2015 to December 2019 18 12:6 78 (75-86) 4.4 (0.05-50.2) 10 (5-16) 104 (45-165) - 2 IRP, HRM and EGD Zhao et al [49 ], 2022 China Retrospective1 November 2010 to September 2019 146 - - - 7.09 ± 2.49 46.87 ± 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 ], 2016 21/21 (100) 20/21 (95.2) 2/21 (9.5) 1/21 (4.8) Chen et al [13 ], 2018 71/76 (93.4) 59/65 (90.8) 13/76 (16.1) 11/76 (14.5) Landi et al [40 ], 2018 88/88 (100) 84/88 (95.4) - - Liu et al [41 ], 2019 138/139 (99.3) 79/85 (92.9) 20/85 (23.53) 4/139 (2.88) Klair et al [42 ], 2019 62/62 (100) 55/62 (88.7) - 5/62 (8.1) Abe et al [43 ], 2020 28/28 (100) 17/17 (100) 3/23 (13.0) 8/28 (28.6) Sanaka et al [44 ], 2020 55/55 (100) 36/38 (94.7) 6/51(11.8) 3/55 (5.5) Angeli Abad et al [45 ], 2020 66/66 (100) 19/20 (95.0) - 5/66 (7.6) Okada et al [46 ], 2021 100/100 (100) 92/92 (100) - 11/100 (11) Nakamura et al [47 ], 2021 11/11 (100) 11/11 (100) 1/11 (9) 3/11 (27.3) Ujiie et al [48 ], 2021 18/18 (100) 18/18 (100) 1/18 (5.6) 0 (0) Zhao et al [49 ], 2022 146/146 (100) (96.33) (15.60) -