• Fumio Yamazaki, M Shimamoto, M Nakai, S Fujita, H Masumoto, T Itonaga, and R Nomura.
• Department of Cardiovascular Surgery, Shizuoka City Hospital, Shizuoka, Japan.
• Kyobu Geka. 2007 Apr 1; 60 (4): 309-14.

AbstractMesenteric ischemia is a dreaded complication of acute type A aortic dissection. From January 1994 to December 2004, 134 patients with acute type A aortic dissection were operated. Eleven patients showed postoperative mesenteric ischemia. Mortality of such patients was much higher than that without mesenteric ischemia (81.8 vs. 10.6% , p < 0.0001). Preoperative mesenteric and/or lower extremity ischemia were revealed to be the risk factors of postoperative mesenteric ischemia. Our strategy to manage these patients is as follows; patients who are suffering mesenteric and/or lower extremity ischemia preoperatively, or those whose computed tomography (CT) shows stenosis, obstruction, or dissection of the superior mesenteric artery, should be recognized as high-risk patients of postoperative mesenteric ischemia. Their mesenteric circulation should be examined directly with laparotomy after the central repair. If the mesenteric circulation seems to be suboptimal, iliac artery-superior mesenteric artery bypass should be performed.

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