V. Cryosurgical Hemorrhoidectomy: an Experimental Study and Clinical Appraisal

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The basic studies were performed on such as the cause of cryonecrosis, the change after freezing anorectum, the changes after freezing hemorrhoids which is experimentally produced, and the comparison with injection therapy of hemorrhoids.<BR>Microscopically, cryosurgery caused cryonecrosis due to circulatory insufficiency in the capillaries. The experimental studies revealed that there was no danger of anal stenosis after cryosurgery. However, injection therapy seemed to be dangerous because it was hard to assume the area of falling off.<BR>Regarding the clinical records, cryosurgery was performed on 111 out-patients with internal hemorrhoids. in the past four years. Out of 111, 89 were male and 22 female. Average age was 45.8 and the oldest one was a 81-year-old man. Among them there were three cases with liver cirrhosis and other three with renal insufficiency. There was no relapse of the illness recorded.<BR>Sixty-nine (86.5%) cases out of 111 showed satisfactory results with neither ill feeling nor swelling. Fifteen (13.5%) cases suffered swelling after the surgery with light pain and discomfort. However, All of them were the severest cases with hemorrhoids coming out at every bowel movement before the surgery.
日本大腸肛門病学会の論文