前列腺增生症老年男性常见,前列腺切除术是治疗前列腺增生症最主要的方法。但是,对于无明显排尿困难的患者,手术治疗并不能使患者的生活质量得到明显提高。因此,用药物疗法缓解或减轻前列腺增生症患者的临床症状受到人们重视。本研究采用双盲对照法观察选择性α_1-肾上腺素能受体阻滞剂哌唑嗪对前列腺增生症的治疗效果。材料与方法一、研究对象经门诊检查诊断为前列腺增生症的34例患者作为研究对象,年龄55～77岁,平均63.9岁。二、给药方法 34例患者随机分为哌唑嗪组和安慰剂组。给药方法为1mg,每日3 Prostate hyperplasia Common in older men, prostatectomy is the treatment of benign prostatic hyperplasia the most important method. However, surgical treatment does not significantly improve the quality of life for patients without significant dysuria. Therefore, the use of drug therapy to alleviate or reduce the clinical symptoms of patients with benign prostatic hyperplasia by people’s attention. In this study, double-blind control was used to observe the therapeutic effect of selective α_1-adrenergic receptor blocker prazosin on benign prostatic hyperplasia. Materials and methods First, the study was diagnosed by BPI in 34 patients with benign prostatic hyperplasia as the research object, aged 55 to 77 years, mean 63.9 years. Second, the method of administration 34 patients were randomly divided into prazosin group and placebo group. The method of administration is 1 mg daily 3