Journal of Neurogastroenterology and Motility : eISSN 2093-0887 / pISSN 2093-0879

Table. 2.

Comparison of Pre- and Post-peroral Endoscopic Myotomy Variables Among the High-resolution Manometry Subtypes of Achalasia

HRM parameters and ES Type I Type II Type III All patients P-value
I vs II I vs III II vs III
IRP pre (mmHg) 21.5 ± 11.3 30.7 ± 13.3 28.5 ± 10.4 29.0 ± 13.2 < 0.001 0.009 0.257
LESP pre (mmHg) 32.1 ± 15.9 44.3 ± 17.9 44.0 ± 3.8 42.3 ± 17.9 < 0.001 0.002 0.398
Eckardt score pre 6.5 ± 2.2 7.2 ± 1.9 5.9 ± 1.9 6.9 ± 2.1 0.0095 0.148 0.001
IRP post 12.7 ± 4.9 13.5 ± 5.9 13.4 ± 5.1 13.4 ± 5.7 0.236 0.212 0.373
LESP post 22.5 ± 10.4 23.3 ± 9.6 27.8 ± 13.1 23.6 ± 10.2 0.303 0.053 0.069
Eckardt score post 0.5 ± 0.7 0.3 ± 0.7 0.5 ± 1.4 0.4 ± 0.8 0.075 0.118 0.322

HRM, high-resolution manometry; ES, Eckardt score; IRP, integrated relaxation pressure; LESP, lower esophageal sphincter pressure; pre, before POEM; post, after POEM.

P-values obtained from Mann–Whitney U test. P < 0.05 is considered significant.

Data are presented as means ± SD.
J Neurogastroenterol Motil 2021;27:205~214 https://doi.org/10.5056/jnm20126
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