ESWL with lower energy and double location for the treatment of stones in the
upperurinary tract (Report of 2 008 cases)
YU Zhao-xiong ZHAO Qiu-feng SHENG Xin
(Department of Urology,the lst People′s Hospital of Jinmeng City, Jinmeng,Hubei,448000)
Abstract Purpose:To evaluate the effectiveness and complication of ESWL with lower energy for the treatment of stones in the upper urinary tract.Method:We used MZ-V type lithotriptor with lower energy and double location in the treatment of upper urianry calcii for 2 008 patients.Result:The successful fragment rate of renal stones in a single ESWL precedure was 98.35%, that of ureteral calculi was97.45%.No serious organ damage occoured.Conclusions:MZ-V type lithotriptor with lower energy and double location has the adventage of high sucessful rate,location facility and no serious complication.
Key words Urinary calculi Extracorporeal shockwave lithotripsy
1.1 一般资料
本组2 008例,男1 365例,女643例,年龄7~84岁,平均42.5岁。肾结石669例,输尿管结石1 339例,其中阳性结石1 631例,阴性结石377例。肾结石直径<0.5 cm 86例,0.5~1 cm 498例,>1~2 cm 68例,>2 cm 17例;输尿管结石直径<0.5 cm 240例,0.5~1 cm 841例,>1~2 cm 209例,>2 cm 49例。双侧输尿管结石伴肾功能不全9例,孤立肾结石2例,在外院用其他类型碎石机碎石无效28例。
1.2 治疗方法
全部患者无需麻醉,无需镇痛药,除复杂性鹿角状肾结石需短期住院观察外,余均在门诊治疗。采用MZ-V型B超、X线双定位低能量碎石机,碎石工作电压6~9 kV,冲击次数2 000~3 000次。L3以上结石患者取仰卧位,L3以下结石患者取俯卧位,两次碎石间隔时间为10~15 d。阳性结石采用X线定位系统,阴性结石采用B超定位系统。