Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Nov 14, 2016; 22(42): 9419-9426
Published online Nov 14, 2016. doi: 10.3748/wjg.v22.i42.9419
Table 1 Comparison of characteristics between the two groups
Circular myotomy (n = 32)Full-thickness myotomy (n = 24)P value
Sex, M/F13/1911/130.315
Age (yr)41.5 ± 10.844.5 ± 14.50.375
Disease course (yr)5.3 ± 7.06.6 ± 8.40.535
Esophagus type, S/non-S1/313/210.303
Previous therapy, Yes/No6/265/190.846
Achalasia type, I/II/III5/24/34/18/20.987
Pre-Eckardt score6.4 ± 1.36.5 ± 1.60.784
POEMLESP, mmHg39.5 ± 7.138.3 ± 6.00.502
4sIRP, mmHg28.4 ± 5.028.7 ± 5.30.849
Follow-up, mo39.8 ± 4.238.6 ± 1.80.201
Post-Eckardt score0.47 ± 0.670.38 ± 0.650.602
POEMLESP (mmHg)14.6 ± 3.714.0 ± 3.00.500
4sIRP (mmHg)10.6 ± 2.810.2 ± 2.20.545
GERD symptoms15.6% (5/32)33.3% (8/24)0.12
pH test +40.6% (13/32)50% (12/24)0.485
Esophagitis (%)15.6% (5/32)29.2% (7/24)0.222
Clinically relevant GERD12.5% (4/32)37.5% (9/24)0.028
Table 2 Multivariate analyses for risk factors of clinically relevant gastroesophageal reflux disease
ItemBSESigOR95%CI of OR
Constant8.8103.2610.0070.000
Full-thickness myotomy1.8350.8060.0236.2621.289, 30.413
Postoperative 4sIRP0.7690.2996.6282.1581.202, 3.877