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Table. 3.

Adverse Events during Gastric Peroral Endoscopic Myotomy (Selected Studies)

Study No. of patients/type of study Adverse events* Follow-up (mo)
Shlomovitz et al (2015)41 7/retrospective Total = 3 (42.8) 6.5
Bleeding within 2 wk-pyloric ulcer-clipping done = 1 (14.2)
Dysphagia = 1 (14.2)
Hospital acquired pneumonia = 1 (14.2)
Gonzalez et al (2017)42 29/retrospective Total = 11 (37.9) 10
Pneumoperitoneum-needle decompression = 5 (17)
Moderate abdominal pain-analgesics = 3 (10)
Bleeding-spontaneously stopped = 1 (3)
Abscess with bleeding (clipping) = 1 (3)
Stricture-endoscopic radial incision (insulated tip knife) = 1 (3)
Rodriguez et al (2018)43 100/prospective Total = 10 (10) 3
Capnoperitoneum and subcutaneous emphysema requiring diagnostic laparoscopy = 1 (1)
GI bleeding (2 mucosal ulcer, 2 source not identified) = 4 (4)
Severe dehydration = 2 (2)
Upper GI endoscopy within 30 days = 3 (3)
Death within 30 days-cardiac cause = 1 (1)
Kahaleh et al (2018)44 33/multicentre retrospective Total = 2 (6.1) 11.5
Ulcer (mucosal defect)-clip placement = 1 (3)
Procedural bleeding-managed with coagrasper = 1 (3)
Mekaroonkamol et al (2019)45 40/retrospective Total = 3 (7.5) 18
Capnoperitoneum = 1 (2.5)
Chronic obstructive pulmonary disease exacerbation = 1 (2.5)
Mucosectomy closure site disruption = 1 (2.5)
Jacques et al (2019)46 20/prospective Total 28 adverse events in 16 patients (80%) 3
20 Related events, 8 Unrelated events
5 Major events
Perforation with severe pain requiring laparoscopy = 1 (5)
Abdelfatah et al (2020)47 90/retrospective Total = 2 (2.2) 3–6
Single myotomy = 55 Tension pneumoperitoneum-needle decompression = 1 (1.1)
Double myotomy = 35 Mucosectomy site ulcer bleed-endoscopic intervention = 1 (1.1)

GI, gastrointestinal.

*Values are presented as number (%).

Int J Gastrointest Interv 2020;9:86~97 https://doi.org/10.18528/ijgii200010
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