Peroral endoscopic longer vs shorter esophageal myotomy for achalasia treatment: A systematic review and meta-analysis

doi:10.4240/wjgs.v14.i3.247

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World Journal of Gastrointestinal Surgery

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Meta-Analysis

World J Gastrointest Surg. Mar 27, 2022; 14(3): 247-259
Published online Mar 27, 2022. doi: 10.4240/wjgs.v14.i3.247

Table 1 Articles’ features

Ref.	Total sample	Sex, male/female, n	Age, yr	Symptoms duration, yr or mo	MBI	Classification, n (%)	Pre-ECK scores	LESP, mmHg	IRP, mmHg
Familiari et al[15], 2016	LM: 38	NA	NA	NA	NA	NA	NA	NA	NA
Familiari et al[15], 2016	SM: 35	NA	NA	NA	NA	NA	NA	NA	NA
Gao et al[16], 2017	LM: 53	LM: 29/24; SM: 25/22	LM: 37.83 ± 14.36	LM: 5.23 ± 5.87	LM: 19.76 ± 3.07	NA	LM: 6.75 ± 1.86	LM: 43.03 ± 13.73	NA
Gao et al[16], 2017	SM: 47	LM: 29/24; SM: 25/22	SM: 43.96 ± 11.69	SM: 5.30 ± 4.87	SM: 20.25 ± 2.97	NA	SM: 6.34 ± 1.74	SM: 41.93 ± 14.93	NA
Gong et al[17], 2016	LM: 59; SM: 38	Female; LM: 29; SM: 19	LM: 39.8 ± 12.4; SM: 41.5 ± 7.2	LM: 6.5 ± 5.5; SM: 7.9 ± 4.3	LM: 20.7 ± 2.6; SM: 20.1 ± 3.2	ASAC I: LM: 47; SM: 29; II: LM: 11; SM: 7; III: LM: 1; SM: 2; CC I: LM: 21; SM: 12 II: LM: 38; SM: 26	LM: 7.2 ± 2.4; SM: 6.8 ± 1.7	LM: 42.1 ± 12.9; SM: 44.6 ± 13.2	NA
Gu et al[14], 2020	LM: 48; SM: 46	LM: 23/25; SM: 21/25	LM: 42.8 ± 10.2; SM: 43.6 ± 11.4	LM: 4.1(0.3~31.0); SM: 5.0(0.3~34.0）	NA	CC II: LM: 48; SM: 46	LM: 7.1 ± 1.6; SM: 7.5 ± 1.5	LM: 32.4 ± 5.3; SM: 33.5 ± 5.0	LM: 21.5 ± 4.6; SM: 23.2 ± 4.8
Huang et al[13], 2020	LM: 74; SM: 36	Female; LM: 34; SM: 17	LM: 37.7 ± 13.0; SM: 40.8 ± 11.1	LM: 8.9 ± 5.8; SM: 8.8 ± 5.5	LM: 19.4 ± 3.1; SM: 20.3 ± 2.6	ASAC I: LM: 58; SM: 33; II: LM: 15; SM: 2; III: LM: 1; SM: 1; CC I: LM: 26; SM: 12; II: LM: 48; SM: 24	LM: 7.5 ± 1.9; SM: 7.1 ± 1.6	LM: 39.8 ± 13.7; SM: 41.8 ± 14.3	NA
Nabi et al[12],2020	LM: 37; SM: 34	LM: 24/13; SM: 18/16	LM: 41.3 ± 14.4; SM: 40.1 ± 16.8	LM: 3;SM: 3	NA	ASAC I: LM: 13; SM: 12; II: LM: 24; SM: 22	LM: 6.75 ± 1.32; SM: 6.02 ± 1.33	NA	LM: 28.50 ± 11.01; SM: 26.40 ± 13.9

Data are presented as mean ± standard deviation or n (%). ASAC: American Society of Anesthesiologists classification; BMI: Body mass index; CC: Chicago classification; IRP: Integrated relaxation pressure; LESP: Lower esophagus sphincter pressure; LM: Long myotomy; NA: Not Applied; Pre-ECK scores: Preoperative- peroral endoscopic myotomy Eckardt scores; SM: Short myotomy.

Citation: Weng CY, He CH, Zhuang MY, Xu JL, Lyu B. Peroral endoscopic longer vs shorter esophageal myotomy for achalasia treatment: A systematic review and meta-analysis. World J Gastrointest Surg 2022; 14(3): 247-259
URL: https://www.wjgnet.com/1948-9366/full/v14/i3/247.htm
DOI: https://dx.doi.org/10.4240/wjgs.v14.i3.247