输尿管镜下钬激光治疗输尿管嵌顿性结石引起输尿管狭窄的相关因素分析

Journal of Clinical Urology(2016)

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Abstract
目的:探讨输尿管镜下钬激光治疗输尿管嵌顿性结石术后引起输尿管狭窄的相关风险因素,为临床提供参考指导.方法:选取195例2012~2015年间广州军区广州总医院泌尿外科经相关检查明确诊断为输尿管嵌顿性结石的患者,行输尿管镜下钬激光碎石治疗,术后根据患者不同情况留置输尿管支架管4~8周,拔管后1、3个月行静脉尿路造影(IVU)和泌尿系彩超重新评估,如造影和彩超提示肾脏积液未减轻,则进一步行CT增强+三维重建(CTU)及逆行尿路造影证实输尿管狭窄诊断.结果:190例患者被纳入随访研究,10例发生输尿管狭窄,总的狭窄发生率为5.3.导致术后发生输尿管狭窄的风险因素主要为输尿管穿孔、输尿管黏膜损伤.结论:应重视引起输尿管狭窄的术中风险因素,提高输尿管镜下处理嵌顿性结石的手术技巧,术后拔除输尿管支架管后1、3个月应常规行静脉尿路造影和泌尿系彩超检查.
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Key words
ureteroscope,holmium laser,impacted calculi,ureteral stricture
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