我院自1995年～1998年间应用镍钛记忆合金支架治疗高危前列腺增生症19例，取得满意的效果，现报告如下。资料与方法临床资料：本组19例，年龄58～90岁，平均70岁。均有夜尿增多，尿流变细，排尿困难，尿储留等前列腺增生尿路梗阻症状，病程l～6年。有12例急性尿储留3～12天，术 19 cases of high-risk benign prostatic hyperplasia were treated with Ni-Ti memory alloy stent in our hospital from 1995 to 1998, and the results were satisfactory. The report is as follows. Materials and Methods Clinical data: The group of 19 patients, aged 58 to 90 years, mean 70 years. Have increased nocturia, urinary flow thinner, dysuria, urinary retention and other symptoms of benign prostatic hyperplasia urinary tract obstruction, duration l ~ 6 years. There are 12 cases of acute urinary retention for 3 to 12 days, surgery