SP 10.15 The 'Subacute' Danger Zone: Impact of ERCP-to-Cholecystectomy Interval on Operative Outcomes

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ID: 323957
2026
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Abstract
Abstract Background Up to 30% of patients with gallstone disease develop common bile duct stones. ERCP clears the bile duct but does not prevent recurrent biliary events. Guidelines recommend early laparoscopic cholecystectomy after ERCP, yet delays remain common in UK NHS practice. We assessed how ERCP-to-cholecystectomy interval affects operative difficulty, outcomes, and histopathology. Methods Retrospective cohort of 70 patients undergoing ERCP then laparoscopic cholecystectomy at Wirral University Teaching Hospital (Jan 2023–Sep 2024). Groups: ≤7 days, 8–14 days, 15–42 days, ≥43 days. Primary outcome: operative time. Secondary outcomes: subtotal cholecystectomy, open conversion, complications, readmissions, histopathology. Results Mean age 62.8 years; median BMI 28.6 kg/m². Median ERCP-to-surgery interval was 79 days. Operative time differed significantly, greatest in the 8–14 day group (median 161 min) versus ≤7 days (66 min) and ≥43 days (77 min) (p=0.021). Six patients required subtotal cholecystectomy; there were no routine open conversions. Chronic cholecystitis predominated on histology. Gallbladder wall thickness did not correlate with operative time, though thick walls were more common in subtotal cases. Conclusion Cholecystectomy within 7 days of ERCP is associated with reduced operative difficulty. Intermediate delays (8–14 days) increase technical complexity; longer delays may lessen operative challenge but can expose patients to recurrent biliary events.
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Authors Abdaal Munir, Muneeba Mustafai
Journal the british journal of surgery
Year 2026
DOI
10.1093/bjs/znag087.143
URL
https://doi.org/10.1093/bjs/znag087.143
Keywords Keywords not found

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