虚血性大腸炎４６例の臨床的検討

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  • Clinical Study on Forty-six Cases of Ischemic Colitis.

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We studied clinical features of 46 patients with ischemic colitis, treated in our hospital from November 1999 to October 2001. The average age was 52.8 years old, comparatively younger than that of other previous reports. Typical symptoms of sudden abdominal pain, diarrhea, and hematochezia were recognized in 78.3 % cases. Arteriosclerotic diseases of hypertension, diabetes mellitus and hyperlipidemia were found in 26.1% patients. Thirty patients had complaints of bowel habits, especially 17 constipation. Recurrence was recognized in two cases. Ischemic changes were noticed in the left-sided colon of all patients, especially from the sigmoid to the descending colon. The cases were classified into three groups of mild, moderate, and severe ischemic changes, endoscopically. The number of patients with mild colitis was 11, moderate 23, and severe 12. Comparison of the three groups showed that the positive rate of inflammatory reactions on blood and chemical analysis was higher, and the duration from the onset to visiting our hospital was shorter, in the severe group, significantly. Twenty-two patients admitted to the hospital for 7.ldays on the average. All of our cases were transient types. Endoscopical changes of all cases disappeared one month later. It was thought to be important to perform colonoscopy as soon as possible after the onset, for diagnosis, choice of treatment, and follow-up.

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