ESWL输尿管石街形成因素分析

Analysis of factors for formation of steinstrasse after ESWL

目的探讨ESWL后石街形成的影响因素。方法回顾性分析1999年1月～2005年10月该院2300例ESWL患者临床资料并进行统计学分析。结果该组患者肾结石1703例,输尿管结石597例,84例石街形成,输尿管石街发生率为3.65%,石街形成主要因素:结石大小和位置,肾积水及工作电压。结论对于可能形成石街的患者密切随访,早期干预或预防性双J管置入是必要的。

[Objective] To investigate the factors on steinstrasse formation after extracorporeal shockwave lithotripsy （ESWL）. [Methods] Data of 2 300 patients with urolithiasis from January 1999 to October 2005 in our department had been statistically analysed. [Results] There were 1 703 cases of renal stones, 597 cases of ureteral stones, 84 cases steinstrasse formation （3.65%）. The significant factors controlling steinstrasse formation were stone size and site, renal morphology and shock wave energy. [Conchmlon] Close follow up with early intervention or prophylactic pre-ESWL ureteral stenting is indicated in a patient who has a high probability of steinstrasse formation.