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Vascular and Endovascular Surgery
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Endotoxemia: Its Relationship to Colonic Ischemia and Aortic Surgery

A Preliminary Report

Mark Welch

Department of Vascular Surgery, Manchester Royal Infirmary, and Medical School

David Durrans

Department of Vascular Surgery, Manchester Royal Infirmary, and Medical School

Jessie T. Douglas

Institute of Clinical Physiology, Manchester Royal Infirmary, and Medical School, Manchester, England

H. Martyn H. Carr

Department of Vascular Surgery, Manchester Royal Infirmary, and Medical School

J. Vincent Smyth

Department of Vascular Surgery, Manchester Royal Infirmary, and Medical School

Michael G. Walker

Department of Vascular Surgery, Manchester Royal Infirmary, and Medical School

Ten patients undergoing elective infrarenal aortic surgery were studied. Samples were taken perioperatively from a sigmoid tonometer to determine intramucosal pH (pHi) of the sigmoid colon, and simultaneously venous blood was taken for endotoxin measurement. Colonoscopy and biopsy were performed preoperatively and one week postoperatively. Significant endotoxemia was detected in 5 patients (50%), all of whom had transient colonic ischemia on the basis of tonometry, and of whom 2 had histologic evidence of ischemia at one week. Endotoxemia does occur during aortic surgery and appears to be associated with colonic ischemia, though this requires further evaluation.

Vascular and Endovascular Surgery, Vol. 27, No. 8, 591-596 (1993)
DOI: 10.1177/153857449302700804
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