ArticleBMC gastroenterology2025
Study of factors influencing the insertion failure of single balloon enteroscopy-assisted ERCP treatment after bilioenteric Roux-en-Y anastomosis.
Article in BMC gastroenterology, 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
aimsFail to reach the bilioenteric anastomosis is the main cause of treatment failure during single-balloon enteroscopy-assisted endoscopic retrograde cholangiopancreatography (SBE-assisted ERCP) in patients after bilioenteric Roux-en-Y anastomosis. We aim to evaluate factors influencing the endoscopic insertion failure. PATIENTS AND
methodsWe retrospectively reviewed the clinical data of 231 cases undergoing SBE-assisted ERCP from January 2016 to December 2021. Treatment details and outcomes were studied to analyze the factors involved in endoscopic insertion failure.
resultsThe enteroscopy success rate and procedural success rate were 88.3% and 84.4%. Incidence of postoperative adverse events was 3.9%. No serious adverse events occurred. Risk factors of endoscopic insertion failure include first ERCP attempt, side to side anastomosis at the Rou-Y anastomosis, the use of Endo-GIA anastomosis, three bowel lumens seen at the Rou-Y anastomosis under endoscopy, steep angle of the afferent loop at the Rou-Y anastomosis with a U-shape, length of the afferent loop ≥ 50 cm, and twisted afferent loop. Among which the multifactorial analysis suggested that the presence of three bowel lumens at the Rou-Y anastomosis and twisted afferent loop were independent risk factors for enteroscopy failure. For case with twisted afferent loop, the use of a transparent cap with X-ray-assisted guidance during insertion is an effective strategy to improve the success rate.
conclusionsSBE-assisted ERCP is safe and effective in patients after bilioenteric Roux-en-Y anastomosis. The severity of afferent loop twisting and Rou-Y anastomosis shape were risk factors for endoscopic insertion failure. Surgeons should take into account the feasibility of postoperative ERCP treatment at the time of operation.
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