Role of postoperative endoscopy after peroral endoscopic myotomy: Evidence from a large cohort study

doi:10.3748/wjg.122272

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. Dec 21, 2026; 32(47): 122272
Published online Dec 21, 2026. doi: 10.3748/wjg.122272

Table 1 Baseline characteristics, n (%)

Characteristic	Total (n = 417)
Sex
Male	230 (55.2)
Female	187 (44.8)
ASA stage
I	36 (8.6)
II	351 (84.2)
III	30 (7.2)
Autoimmune disease
None	367 (88.0)
Hashimoto	23 (5.5)
Rheumatic disease	7 (1.7)
Other	17 (4.1)
Missing value	3 (-)
Pulmonary disease
COPD	5 (1.2)
Asthma	27 (6.5)
Type 2 diabetes
NIDDM	14 (3.4)
IDDM	5 (1.2)
Smoking	84 (20.1)
Anticoagulation
None	385 (92.3)
ASS	18 (4.3)
NMH/NOAK/Warfarin	14 (3.4)
Diagnosis
Achalasia	399 (95.7)
Type I	74 (17.7)
Type II	242 (58.0)
Type III	83 (19.9)
Other	18 (4.3)
EGJ-OO	2 (0.5)
Nutcracker	1 (0.2)
Jackhammer	11 (2.6)
Other	4 (1.0)
Previous treatment
Endoscopic	126 (30.2)
Dilatation	90 (21.6)
Botox	25 (6.0)
Botox and dilatation	11 (2.6)
Myotomy	7 (1.7)

ASA: American Society of Anesthesiologists; COPD: Chronic obstructive pulmonary disease; IDDM: Insulin-dependent diabetes mellitus; NIDDM: Non-insulin-dependent diabetes mellitus; ASS: Aspirin; NMH: Heparin; NOAK: Non–vitamin K oral anticoagulant; EGJ-OO: Esophagogastric junction outflow obstruction.

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Citation: Kastner C, Aktanova M, Kollmann L, Marschalek A, Meyer F, Anger J, Flemming I, Lauerer J, Weich A, Brand M, Hann A, von Rahden BH, Flemming S, Germer CT, Seyfried F. Role of postoperative endoscopy after peroral endoscopic myotomy: Evidence from a large cohort study. World J Gastroenterol 2026; 32(47): 122272
URL: https://www.wjgnet.com/1007-9327/full/v32/i47/122272.htm
DOI: https://dx.doi.org/10.3748/wjg.122272

Kastner C, Aktanova M, Kollmann L, Marschalek A, Meyer F, Anger J, Flemming I, Lauerer J, Weich A, Brand M, Hann A, von Rahden BH, Flemming S, Germer CT, Seyfried F. Role of postoperative endoscopy after peroral endoscopic myotomy: Evidence from a large cohort study. World J Gastroenterol 2026; 32(47): 122272 [DOI: 10.3748/wjg.122272]

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