697 An Evaluation of Patient Outcomes Following Percutaneous Cholecystostomy (PC) For Acute Cholecystitis (AC) At Our Health Board Between 2011-2020

Abstract Introduction PC is a radiological intervention used in the management of high-risk patients with AC. Method A retrospective study outcomes following PC, including success rates, complications, AC resolution, readmissions, and subsequent cholecystectomy. Results Our database identified 28 (14M:14F), median age 73 (range 40-93). 82% were ASA III/IV. Median follow-up was 2 0-8) years. Imaging suggested 61% empyema 39%. 86% calculous. All procedures USS-guided 100% success. resolution occurred 89.3%. Of three unresolved, there 1 death day-1 post-PC (non-procedure related), index cholecystectomy, chronic complicated cholecystitis. 28.6% developed major (1 late biliary peritonitis cholecystocutaneous fistula abdominal wall abscess), 17.9% dislodged drain, 10.7% other. 20 had bile cultures (70% positive, mainly gram-negative). readmitted AC, repeat PC. 21.4% ERCP. 32.1% underwent laparoscopic cholecystectomy(LC) index, 4 elective (3 LC, open), emergency (2 LC subtotal, failed open drain insertion). Conclusions both safe effective significant procedural rates rates. There are few complications but morbidities, drains. One-third have