C Santorelli1, J Hollingshead1, S K Clark2. 1. Department of Surgery, St Mark's Hospital, Watford Road, Harrow, HA1 3UJ, UK. 2. Department of Surgery, St Mark's Hospital, Watford Road, Harrow, HA1 3UJ, UK. s.clark8@nhs.net.
Abstract
BACKGROUND: In patients who undergo restorative proctocoletomy (RPC) a pouchogram is often used to assess the integrity of the ileal pouch-anal anastomosis (IPAA) before closing the covering ileostomy. There are no good data to support this practice. The aim of the study was to investigate whether contrast pouchography was clinically useful after RPC. METHODS: We conducted a retrospective study of patients who had undergone RPC with a covering ileostomy between September 2013 and September 2015. RESULTS: 61 patients were included. 7 (11%) presented with anastomotic leak and 2 (3%) with pelvic collection, detected on cross-sectional imaging for early postoperative symptoms. In the remaining 52 patients, without immediate postoperative complications, pouchography was performed at a median of 14 weeks (range 7-71 weeks) after RPC. Each patient also underwent examination under anaesthesia (EUA) to assess the integrity of the IPAA on the day of the ileostomy closure. One asymptomatic patient (2%) had an anastomotic leak demonstrated on pouchogram which was subsequently confirmed at EUA. Two patients (3%) with a normal pouchogram, 1 symptomatic and 1 asymptomatic, subsequently had an anastomotic leak demonstrated at EUA. CONCLUSIONS: Pouchogram has a low sensitivity in identifying anastomotic leak before ileostomy reversal in patients after RPC and only rarely changes management. In our series it identified the diagnosis of anastomotic leak in only 1 patient and gave false reassurance in two others. Complications are more frequently detected by clinical history and formal EUA before ileostomy closure.
BACKGROUND: In patients who undergo restorative proctocoletomy (RPC) a pouchogram is often used to assess the integrity of the ileal pouch-anal anastomosis (IPAA) before closing the covering ileostomy. There are no good data to support this practice. The aim of the study was to investigate whether contrast pouchography was clinically useful after RPC. METHODS: We conducted a retrospective study of patients who had undergone RPC with a covering ileostomy between September 2013 and September 2015. RESULTS: 61 patients were included. 7 (11%) presented with anastomotic leak and 2 (3%) with pelvic collection, detected on cross-sectional imaging for early postoperative symptoms. In the remaining 52 patients, without immediate postoperative complications, pouchography was performed at a median of 14 weeks (range 7-71 weeks) after RPC. Each patient also underwent examination under anaesthesia (EUA) to assess the integrity of the IPAA on the day of the ileostomy closure. One asymptomatic patient (2%) had an anastomotic leak demonstrated on pouchogram which was subsequently confirmed at EUA. Two patients (3%) with a normal pouchogram, 1 symptomatic and 1 asymptomatic, subsequently had an anastomotic leak demonstrated at EUA. CONCLUSIONS: Pouchogram has a low sensitivity in identifying anastomotic leak before ileostomy reversal in patients after RPC and only rarely changes management. In our series it identified the diagnosis of anastomotic leak in only 1 patient and gave false reassurance in two others. Complications are more frequently detected by clinical history and formal EUA before ileostomy closure.
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