Studies on the healing of anastomoses of small and large intestines

L. Wise, W. McAlister, T. Stein, P. Schuck

Research output: Contribution to journalArticlepeer-review

93 Scopus citations


Large intestine anastomoses tend to leak much more frequently than do small intestine anastomoses. Studies were undertaken to elucidate the pathophysiologic basis of this phenomenon. Single layer interrupted silk suture anastomoses were performed in both the distal part of the ileum and the distal part of the colon in 29 dogs. The anastomoses were resected at one through eight days and 19 to 31 days after operations. Collagen response, vascular response and bursting strength at the site of anastomoses were investigated. The results demonstrated a statistically significant decrease in the collagen and vascular response of the large versus the small intestine. This differential response may play a role in the mechanism of the relatively high incidence of suture line separations observed after colonic anastomoses.

Original languageEnglish
Pages (from-to)190-194
Number of pages5
JournalSurgery Gynecology and Obstetrics
Issue number2
StatePublished - Dec 1 1975


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