Comparison of bypass and resection of the small intestine in germfree rats.


Germfree rats were subjected to: (1) 90% jejunoileal resection (15 rats) or (2) 90% end-to-side jejunoileal bypass (20 rats). The mortality rate was 67 and 75%, respectively, which is markedly higher than after the same types of operation in conventional rats. Late mortality occurred only in the bypass group. Possible reasons for the high mortality rate are… (More)


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