A prospective, controlled study of prophylactic drainage after colonic anastomoses

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Abstract
A prospective, randomized, controlled trial was designed to study the influence of a corrugated latex drain on anastomotic integrity, wound infection, and respiratory complications after elective colonic resections above the pelvic peritoneum. Sixty patients entered the trial; 28 were drained and 32 undrained. Three patients in the undrained group died soon after surgery of causes unrelated to their colon anastomoses. There were no other differences in the incidence of postoperative complications in the two groups. When an anastomosis leaked, neither feces nor pus emerged via the drain. It is concluded that while the drains did not increase the incidence of postoperative complications, neither did they accomplish the purpose for which they were inserted. If, in addition, the economic cost of drainage is considered, it would seem that there is no advantage in inserting prophylactic drains after colonic anastomoses and their routine use needs to be reconsidered.