Fistula Research Today is a free monthly online journal that collates and summarizes the latest research about Fistula, including details on types, causes, treatment.

Increase of serum C-reactive protein is an early indicator of subsequent symptomatic anastomotic leakage after anterior resection.

Matthiessen P, Henriksson M, Hallböök O, Grunditz E, Norén B, Arbman G

Department of Surgery, Orebro University Hospital, Orebro, Sweden. peter.matthiessen@orebroll.se

OBJECTIVE: This prospective study investigated the factors which might indicate anastomotic leakage after low anterior resection. METHOD: Thirty-three patients who underwent anterior resection for rectal carcinoma (n = 32) and severe dysplasia (n = 1), were monitored daily by serum C-reactive protein (CRP) and white blood cell count (WBC) estimations until discharge from hospital. Computed tomography (CT) scans were performed on postoperative days 2 and 7 and the amount of presacral fluid collection was assessed. All patients had a pelvic drain and the volume of drainage was measured daily. RESULTS: The level of the anastomosis was at a median 5 cm (3-12 cm) above the anal verge. There was no 30-day mortality. Nine (27.2%) of the 33 patients developed a symptomatic anastomotic leakage which was diagnosed at a median of 8 days (range 4-14) postoperatively. The serum CRP was increased in patients who leaked from postoperative day 2 onwards (P = 0.004 on day 2; P < 0.001 on day 3-8). The WBC was decreased in preoperatively irradiated patients on days 1-5 (P </= 0.021), with no difference seen between patients with or without leakage. Patients with leakage had a larger presacral fluid collection on CT on day 7 (median 76 ml vs 52 ml; P = 0.016) and a larger increase in the fluid collection between the first and the second CT examinations (28 ml vs 3 ml; P = 0.046). CONCLUSION; An early rise in serum CRP was a strong indicator of leakage. Monitoring of CRP for possible early detection of symptomatic anastomotic leakage is recommended.

Published 14 December 2007 in Colorectal Dis, 10(1): 75-80.
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