Abstract
Although complications from endoscopic retrograde cholangiopancreatography (ERCP) are well described, procedure duration has received scant attention. The relationship between ERCP duration and patient demographics, indications, results and complications were examined. A contemporaneously recorded database of 2572 consecutive ERCPs performed between 2008 and 2018 by a single endoscopist was analysed. Those taking under 40min were compared with those taking over 40min. Of 2572 cases, 2213 took under 40min and 359 took over 40min. Emergency cases (relative risk 2.10), older age (66.6 vs 61.6years p value < 0.01) and no previous sphincterotomy (relative risk 1.94) were factors which resulted in prolonged procedures. The indication of change or removal of stent for benign conditions resulted in fewer prolonged procedures (relative risk 0.37). Indications of pancreatitis, cholangitis and positive intraoperative cholangiogram were not associated with procedure length. Findings of biliary stricture(s) (relative risk 2.02) and failure to cannulate desired duct (relative risk 3.69) were associated with prolonged procedures. Choledocholithiasis (relative risk 0.62), dilated bile duct without stricture/stone (relative risk 0.46) and normal ductal anatomy (relative risk 0.50) resulted in fewer prolonged procedures. Procedures taking over 40min had increased risks of complications resulting in unplanned or prolongation of hospitalisation (relative risk 1.41) and pancreatitis (relative risk 1.74). Prolonged procedures had increased rates of pancreatitis and unplanned/prolonged hospitalisation. Failed access to desired duct, advanced age, biliary strictures, no previous sphincterotomy and unplanned emergency cases were associated with prolonged procedures.
Published Version
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