Fluid collections detected by ultrasound following uncomplicated colorectal surgery

The aim of the study was to assess the incidence and site of intraperitonea l fluid collections following uncomplicated colorectal surgery and to ident ify factors relating to the presence of such collections. 38 patients (22 m ales) with a mean age of 67 years (range 38-85 years) undergoing uncomplica ted colorectal procedures were studied prospectively. Patients underwent ab dominal and pelvic ultrasound on Day 3 and Day 7 following surgery. The num ber, site and volume of collections were recorded. Ultrasound-detected flui d collections were present in 26% on Day 3 and 25% on Day 7 following lapar otomy. The presence of a collection was not related to the amount of residu al volume after peritoneal lavage with normal saline prior to operative clo sure, to intraoperative blood loss or to the presence of drains. The right upper quadrant was the commonest site of intraperitoneal collections. In th e absence of additional clinical signs, the presence of such collections is not an indication for intervention.