Incidence, Predictors, and Outcomes of Clinically Significant Post-Endoscopic Retrograde Cholangiopancreatography Bleeding: A Contemporary Multicenter Study
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INTRODUCTION:Clinically significant post-endoscopic retrograde cholangiopancreatography (ERCP) bleeding (CSPEB) is common. Contemporary estimates of risk are lacking. We aimed to identify risk factors of and outcomes after CSPEB.METHODS:We analyzed multicenter prospective ERCP data between 2018 and 2024 with 30-day follow-up. The primary outcome was CSPEB, defined as hematemesis, melena, or hematochezia resulting in (i) hemoglobin drop ≥ 20 g/L or transfusion and/or (ii) endoscopy to evaluate suspected bleeding and/or (iii) unplanned healthcare visitation and/or prolongation of existing admission. Firth logistic regression was used. P values <0.05 were significant, with odds ratios (ORs) and 95% confidence intervals reported.RESULTS:CSPEB occurred after 129 (1.5%) of 8,517 ERCPs (mean onset 3.2 days), with 110 of 4,849 events (2.3%) occurring after higher risk interventions (sphincterotomy, sphincteroplasty, precut sphincterotomy, and/or needle-knife access). Patients with CSPEB required endoscopy and transfusion in 86.0% and 53.5% of cases, respectively, with 3 cases (2.3%) being fatal. P2Y12 inhibitors were held for a median of 4 days (interquartile range 4) before higher risk ERCP. After higher risk interventions, P2Y12 inhibitors (OR 3.33, 1.26–7.74), warfarin (OR 8.54, 3.32–19.81), dabigatran (OR 13.40, 2.06–59.96), rivaroxaban (OR 7.42, 3.43–15.24), and apixaban (OR 4.16, 1.99–8.20) were associated with CSPEB. Significant intraprocedural bleeding after sphincterotomy (OR 2.32, 1.06–4.60), but not after sphincteroplasty, was also associated. Concomitant cardiorespiratory events occurred more frequently within 30 days after CSPEB (OR 12.71, 4.75–32.54).DISCUSSION:Risks of antiplatelet-related CSPEB may be underestimated by endoscopists based on observations of suboptimal holding before higher risk ERCP. Appropriate periprocedural antithrombotic management is essential and could represent novel quality initiative targets.
