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Article
June 1973

Neostigmine-Induced HyperperistalsisEffects on Security of Colonic Anastomoses

Author Affiliations

Los Angeles
From the Department of Surgery, University of Southern California School of Medicine, Los Angeles.

Arch Surg. 1973;106(6):779-784. doi:10.1001/archsurg.1973.01350180019008
Abstract

Neostigmine methylsulfate, a muscarinic drug, is frequently employed to reverse the paralytic effect of curare at the conclusion of surgical procedures. The experiments reported document the potent muscarinic effect of neostigmine on the large bowel, causing intraluminal colonic pressure to rise 15 times above base line. This is accompanied by severe spasm, associated with foreshortening and hypersegmentation of the bowel. The prior administration of atropine sulfate, an antimuscarinic drug, in the dose customarily employed during anesthesia, does not ameliorate or abolish the muscarinic effect of neostigmine on the canine colon. The muscarinic effects of neostigmine did not result in the disruption of an anastomosis fashioned in the canine colon.

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