Safety and Efficacy of Peroral Endoscopic Shorter Myotomy versus Longer Myotomy for Patients with Achalasia: A Systematic Review and Meta-analysis
Table 3
Outcomes reported in the included studies.
Study
Wang et al., 2015
Li et al., 2018
Huang et al., 2020
Gu et al., 2020
Nabi et al., 2020
Group
SM
SM
LM
SM
LM
SM
LM
SM
LM
Total patients ()
46
63
63
36
74
46
48
34
37
Technical success, (%)
46 (100)
63 (100)
63 (100)
36 (100)
74 (100)
46 (100)
48 (100)
34 (100)
37 (100)
Clinical success, (%)
46/46 (100)
56/57 (98.2)
55/56 (98.2)
34/36 (94.4)
68/74 (91.9)
44/46 (95.7)
45/48 (93.8)
32/33 (97.0)
29/31 (93.5)
Pre-Eckardt score
7.9 (5-11)
7.3 (4-11)
Post-Eckardt score
1.1 (0-4)
1.0 (0-4)
Pre-LESP (mm Hg)
27.8 (0.7-57.7)
29.6 (9.6-50.4)
NR
NR
Post-LESP (mm Hg)
15.6 (1.5 -35.7)
17.7 (3.0-38.8)
NR
NR
Pre-IRP (mm Hg)
NR
NR
NR
NR
Post-IRP (mm Hg)
NR
NR
NR
NR
Pre-DBC (cm)
NR
NR
NR
NR
Post-DBC (cm)
NR
NR
NR
NR
3
NR
NR
Pre-HBC (cm)
NR
NR
NR
NR
NR
NR
Post-HBC (cm)
NR
NR
NR
NR
NR
NR
Continuous variables presented as or median (IQR). SM: short myotomy; LM: long myotomy; LESP: lower esophageal sphincter pressure; IRP: integrated relax pressure; DBC: diameter of barium column; HBC: height of barium column; SD: standard deviation; IQR: interquartile range.
