患者，４８岁。已婚，妇检及Ｂ超检查发现子宫肌瘤４年余（由原２ｃｍ逐渐增大至今６ｃｍ），近半年余反复急性尿潴留３次，每次行导尿术后缓解，经查泌尿系统未发现异常，考虑由子宫增大所致，入院要求手术。各项辅助检查无异常，于入院后第５天在持硬麻下行子宫全切术，术前? Patient, 48 years old. Married, gynecological examination and B-ultrasound found that more than 4 years of uterine fibroids (from the original 2cm gradually increased 6cm), nearly six months more than three times repeated acute urinary retention, catheterization after each line of relief, urinalysis No abnormality was found, due to an increase in the uterus, admitted to surgery. The ancillary examination without exception, in the first 5 days after admission in a hard hysterectomy hysterectomy, preoperative?