pISSN 2636-0004
eISSN 2636-0012

Table. 4.

Risk Factors for Adverse Events during TSE

Patient related
Elderly patient with co-morbidities
American Society of Anesthesiologist classification grade 3–4
Patients on antithrombotics
Disease related
Achalasia cardia
Unhealthy mucosa (stasis esophagitis) during POEM
Sigmoid esophagus
Prior treatment (Heller’s myotomy, balloon dilatation)
Lots of food residue in esophagus (risk of aspiration)
Esophageal candidiasis
Subepithelial tumor
Large size of tumor (> 3 cm), irregular shape
Tumor originating from muscularis propria
Cardia tumor
Extraluminal tumor
Gastroparesis
Scarring or ulceration in antrum
Diverticula
Large size of diverticula
Diverticula associated with motility disorder
Procedure related
Use of air for insufflation
Incorrect electrosurgical settings (other than spray coagulation)
Continuous large/heavy burst of current during tunneling or myotomy
Knife (without water jet facility)
STER of two synchronous lesions
Unable to localize the lesion during STER and pyloric sphincter during G-POEM
Operator related
Long operative time
During learning curve

TSE, third space endoscopy; POEM, peroral endoscopic myotomy; STER, submucosal tunnelling endoscopic resection; G-POEM, gastric POEM.

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