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RACS ASC 2025
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Outcomes of Subtotal Cholecystectomy from a Large Tertiary New Zealand Hospital
Verbal Presentation
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Verbal Presentation

4:30 pm

03 May 2025

Meeting Room C4.4

THE DAVID FLETCHER AWARD FOR CLINICAL RESEARCH IN HPB SURGERY

Disciplines

HPB Surgery

Talk Description

Institution: Christchurch Hospital - Canterbury, Aotearoa New Zealand

Purpose Subtotal cholecystectomy (StC) is a recognised bail-out strategy for difficult cholecystectomy. The aim of the study was to analyse technical aspects and outcomes associated with subtypes of StC. Methodology All perioperative data of patients who underwent StC at Christchurch Hospital between June 2015 to September 2023 were retrospectively identified and analysed. The subtypes were classified as reconstituting (rStC), fenestrated (fStC), and remnant posterior wall (pwStC) subtotal cholecystectomy. Results Of the 6251 patients who underwent cholecystectomy, 422 (6.8%) underwent StC, and 132 (31.3%), 115 (27.3%), 175 (41.5%) underwent rStC ,fStC and pwStC respectively. pwStC was generally associated with superior, and fStC inferior outcomes. In patients who had fStC, rStC and pwStC; 38 (33.0%), 12 (9.1%), 6 (3.4%) developed bile leak (p <.001), 20 (17.4%), 12 (9.1%), 3 (1.7%) developed intraabdominal collections (p <.001), and 28 (24.3%), 10 (7.6%) and 9 (5.1%) required post-operative ERCP (p <.001), respectively. Additionally, for fStC, rStC and pwStC, the median (range) days taken for resolution of bile leak was 14 (1-120), 7 (1-45) and 5 (1-21) days (p <.006) and median duration of admission was 3.0 (1-26), 2.5 (1-25) and 2.0 (0-19) days (p <.001), respectively. No difference in rates of post-op biliary events including cholecystitis and choledocholithiasis were noted across the subgroups (p= .775). Conclusion StC has become the preferred method for “bailout” during difficult laparoscopic cholecystectomy. There are technical variations of StC with different complication profiles. Surgeons should be aware of these nuances, as it may help inform decision making when faced with need to perform StC.
Presenters
Authors
Authors

Dr Hannah Kim - , Dr Jing Goh - , Dr Isaac Tranter-Entwistle - , Mr Saxon Connor -