Meta-Analysis
Copyright ©The Author(s) 2022.
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], 2016LM: 38NANANANANANANANA
SM: 35
Gao et al[16], 2017LM: 53LM: 29/24; SM: 25/22LM: 37.83 ± 14.36LM: 5.23 ± 5.87LM: 19.76 ± 3.07NALM: 6.75 ± 1.86LM: 43.03 ± 13.73NA
SM: 47SM: 43.96 ± 11.69SM: 5.30 ± 4.87SM: 20.25 ± 2.97SM: 6.34 ± 1.74SM: 41.93 ± 14.93
Gong et al[17], 2016LM: 59; SM: 38Female; LM: 29; SM: 19LM: 39.8 ± 12.4; SM: 41.5 ± 7.2LM: 6.5 ± 5.5; SM: 7.9 ± 4.3LM: 20.7 ± 2.6; SM: 20.1 ± 3.2ASAC 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: 26LM: 7.2 ± 2.4; SM: 6.8 ± 1.7LM: 42.1 ± 12.9; SM: 44.6 ± 13.2NA
Gu et al[14], 2020LM: 48; SM: 46LM: 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)NACC II: LM: 48; SM: 46LM: 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], 2020LM: 74; SM: 36Female; LM: 34; SM: 17LM: 37.7 ± 13.0; SM: 40.8 ± 11.1LM: 8.9 ± 5.8; SM: 8.8 ± 5.5LM: 19.4 ± 3.1; SM: 20.3 ± 2.6ASAC 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: 24LM: 7.5 ± 1.9; SM: 7.1 ± 1.6 LM: 39.8 ± 13.7; SM: 41.8 ± 14.3NA
Nabi et al[12],2020LM: 37; SM: 34LM: 24/13; SM: 18/16LM: 41.3 ± 14.4; SM: 40.1 ± 16.8LM: 3;SM: 3 NAASAC I: LM: 13; SM: 12; II: LM: 24; SM: 22LM: 6.75 ± 1.32; SM: 6.02 ± 1.33 NALM: 28.50 ± 11.01; SM: 26.40 ± 13.9
Table 2 The detailed study quality evaluation items
Ref.
Follow-up sample
Length of the myotomy, cm
Operative time, min
Myotomy length, cm
Follow-up time, mo
Clinical success
GERD, %
LESP, mmHg
HRM, mmHg
Post-ECK scores
Adverse events
Familiari et al[15], 2016LM: 23 SM: 26LM: 13 SM: 8LM: 59.2 ± 16.7 SM: 47.7 ± 13.2 ES: LM: 8.42 ± 2.13 SM: 3.87 ± 0.61 ST: LM: 2.49 ± 0.70 SM: 2.21 ± 0.41 TO: LM: 10.94 ± 2.11 SM: 6.04 ± 0.698LM: 100% SM: 100%LM: 42.9% SM: 65%LM: 17 ± 9.7 SM: 11.4 ± 6.5LM: 8.6 ± 4.9 SM: 5.9 ± 5.0LM: 0.5 ± 0.8 SM: 0.5 ± 0.8No
Gao et al[16], 2017LM: 53 SM: 47LM: > 7 SM: ≤7LM: 63.13 ± 26.5 SM: 50.62 ± 20.02NA3,6,12LM: 96.2% SM: 93.6%LM: 11.3% SM: 12.8%LM: 16.51 ± 5.01 SM: 17.41 ± 3.69NALM: 0.98 ± 1.14 SM: 1.06 ± 1.42MB: LM: 0, SM: 0 MP: LM: 1; SM: 0 HS: LM: 10.19 ± 4.03 SM: 10.21 ± 3.78
Gong et al[17], 2016LM: 59 SM: 38LM: > 7 SM: ≤7LM: 68.5 ± 23.2 SM: 44.2 ± 16.3 ES: LM: 8.5 ± 2.6 SM: 4.0 ± 0.9 ST: LM: 3.2 ± 1.4 SM: 2.1+0.3 TO: LM: 11.7 ± 2.4 SM: 6.1 ± 0.5NALM: 91.5% SM: 92.1%LM: 18.6% SM: 15.8%LM: 19.3 ± 8.5 SM: 16.7 ± 4.3NALM: 1.2 ± 1.2 SM: 1.0 ± 0.9MB: LM: 3; SM: 2 MP: LM: 1; SM: 0 HS: LM: 6.6 ± 1.1 SM: 6.4 ± 1.2
Gu et al[14], 2020LM: 48 SM: 46LM: 7-8 SM: 3-4LM: 45.6 ± 16.2 SM: 31.2 ± 15.3 ES: LM: 10.14 ± 0.54 SM: 5.66 ± 0.14 1,3,6,12LM: 93.8% SM: 95.7%LM: 22.9% SM: 15.2%LM: 12.1 ± 3.9 SM: 11.8 ± 4.4LM: 9.7 ± 2.6 SM: 10.1 ± 2.4 LM: 0.72 ± 0.42 SM: 0.76 ± 0.51HS: LM: 6: 5 ± 1.6 SM: 7.0 ± 0.9
Huang et al[13], 2020LM: 74 SM: 36LM > 7 SM≤ 7 LM: 62.1 ± 25.2 SM: 46.6 ± 18.5ES: LM: 8.2 ± 2.7 SM: 4.0 ± 0.7 ST: LM: 3.2 ± 1.2 SM: 3.2 ± 1.2 TO: LM: 11.5 ± 3.1 SM: 6.0 ± 0.628.7LM: 91.9% SM: 94.4%LM: 14.9% SM: 8.3%LM: 13.3 ± 5.7 SM: 15.9 ± 3.2 NALM: 1.6 ± 1.3 SM: 1.3 ± 1.2 MB: LM: 3; SM: 2 MP: LM: 1; SM: 0 HS: LM: 9.3 ± 2.9 SM: 9.9 ± 2.4
Nabi et al[12], 2020LM: 37 SM: 34LM: ≥ 6 SM: ≤ 3 LM: 72.43 ± 27.28 SM: 44.03 ± 13.78ES: LM: 7.97 ± 2.40 SM: 2.76 ± 0.41 ST: LM: 2.84 ± 0.63 SM: 2.70 ± 0.7312LM: 96.97% SM: 93.55%LM: 56.67%SM: 44.4% NALM: 7.44 ± 4.30 SM: 8.60 ± 1.30LM: 0.818 ± 0.983 SM: 0.935 ± 0.929MB: LM: 17; SM: 12 HS: LM: 2.81 ± 0.70 SM: 2.82 ± 0.67