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

Table. 3.

Pre- and Post-peroral Endoscopic Myotomy Motility Patterns According to the Chicago Classification

Pre-POEM CC Pre-POEM peristalsis Post-POEM CC Peristaltic recovery (newly appeared contractions)
Type I achalasia (n = 42) 0/42 (0.0%) Absent contractility (25) 5/42 (11.9%)
Type 1 achalasia (11)
Type 2 achalasia (1)
IEM (3)
EGJOO (1)
Type 3 achalasia (1)
Type II achalasia (n = 173) 1/173 (0.5%) Absent contractility (87) 42/172 (24.4%)
Type 1 achalasia (30)
Type 2 achalasia (13)
IEM (17)
EGJOO (13)
Type 3 achalasia (6)
DES (2)
Fragmented peristalsis (4)
Type III achalasia (n = 22) 22/22 (100.0%) Type 1 achalasia (1)
Type 2 achalasia (1)
Type 3 achalasia (4)
IEM (6)
Fragmented peristalsis (5)
EGJOO (4)
DES (1)

POEM, peroral endoscopic myotomy; CC, Chicago classification; IEM, ineffective esophageal motility; EGJOO, esophagogastric junction outflow obstruction; DES, distal esophageal spasm.

J Neurogastroenterol Motil 2021;27:205~214 https://doi.org/10.5056/jnm20126
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