A Clinicopathological Study on 19 Operative Cases with Non Occlusive Mesenteric Ischemia

Gen Sugawara, Akihiro Yamaguchi, Masatoshi Isogai, Tohru Harada, Yuji Kaneoka Masahiko Suzuki, Atsushi Akutagawa, Kiyoshi Suzumura and Tatsuya Usui

Department of Surgery, Ogaki Munincipal Hospital

We clinicopathologically studied 19 patients with nonocclusive mesenteric ischemia. 10 men and 9 women aged 48-88 years (mean: 74.6 years). The majority of patients had cardiovascular disease and 6 had collagen disease. Preoperative examination showed no specific findings. The necrotic bowel was resected in all patients, and survival was 78.9%. Histological examination of the straight arteries of the resected bowel revealed arteritis in 3 patients with a history of collagen disease. When intimal thickening was classified into 3 categories based on the intimal/media ratio, intimal thickening in 18 of 19 was mild in 3, moderate in 10, and severe in 5. Although organic vascular occlusion was not observed, intimal thickening in the straight arteries and arteritis may be factors responsible for the development of nonocclusive mesenteric ischemia.

Key words
non occlusive mesenteric ischemia, intimal thickening, arteritis

Reprint requests
Gen Sugawara Department of Surgery, Ogaki Munincipal Hospital 4-86 Minamikawa-cho, Ogaki, 503-8502 JAPAN

Accepted
September 19, 2001

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