尿道狭窄发生原因较多,但明确为缺血性前尿道狭窄的报道较少。前尿道缺血与尿管对尿道弯曲及生理性狭窄部位的压迫所致前尿道狭窄病例,我院近10年来收治4例,现报告如下。例1,患者男,10岁。因法乐氏四联症于1996年6月在外院于体外循环下行心内直视手术,术前术中留置乳胶气囊导尿 Urethral stricture occurred for many reasons, but clearly less for the report of ischemic anterior urethral stricture. Anterior urethral ischemia and urinary tract curvature and physiological stenosis caused by compression of the site of anterior urethral stricture in our hospital admitted to the past 10 years 4 cases are as follows. Example 1, male patient, 10 years old. Because tetralogy of Fallot in June 1996 in the outer hospital cardiopulmonary bypass surgery under direct vision, preoperative intraoperative latex balloon catheterization