ArticleEndoscopy international open2025
Radiographic, fluoroscopic, and endosonographic predictors of failed EUS-guided transgastric stent placement in patients with Roux-en-Y bypass anatomy.
Article in Endoscopy international open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background and study aims: Gastric access temporary for endoscopy (GATE) via endoscopic ultrasound-guided stent placement between the gastric pouch/jejunum and remnant stomach is used in Roux-en-Y gastric bypass (RYGB) to facilitate endoscopic retrograde cholangiopancreatography or other maneuvers. This study aimed to identify radiographic predictors of GATE failure and intraprocedure reasons for aborting. Patients and methods: Patients undergoing GATE were matched 3:1 on procedure success. Features indicating quality of the transgastric window were collected including: 1) gastric pouch/blind limb length; 2) location of remnant stomach relative to pouch or blind/roux limb; 3) pouch orientation; 4) remnant orientation; 5) length of contact; 6) tissue thickness; and 7) presence of poor contact (calcification, surgical material, intervening vasculature). Primary outcome was radiographic criteria associated with GATE failure. Secondary outcomes were endoscopic, endosonographic, and fluoroscopic intraprocedure reasons for aborting GATE. Results: Forty patients (30 successful, 10 aborted, 82.5% female) who underwent GATE were included. Mean (±SD) age and time since RYGB were 62.8±11.9 and 15.1±8.6 years, respectively. There were no group demographic differences. The cumulative number of contact-related risk factors was associated with GATE failure (OR 26.1, 95% CI 0.004-0.337; Conclusions: Radiographic features may predict GATE failure including intervening vasculature or insufficient contact between gastric pouch/blind limb and remnant. Patients demonstrating these features may benefit from alternative treatment approaches early in management.
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