The detrimental effects of drains on colonic anastomoses

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Abstract
Summary Information obtained from animal experiments cannot generally be applied to clinical situations, but such obvious differences as the difference between the healing of drained and undrained anastomoses may be applicable. All 15 of the control dogs recovered, and their colonic anastomoses had only filmy adhesions and no stricture formation. In contrast to this, of those with Penrose drains, nine of 20 died of anastomotic disruption and peritonitis, and the rest had extensive adhesions and varying degrees of stricture formation. The use of drains cannot be condemned categorically because in gross and microscopic appearances the anastomoses in seven dogs with Teflon tape drains were not much different from those of the control animals.

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