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首页> 外文期刊>Arab Journal of Urology >Semi-rigid ureteroscopy for ureteric and renal pelvic calculi: Predictive factors for complications and success
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Semi-rigid ureteroscopy for ureteric and renal pelvic calculi: Predictive factors for complications and success

机译：半刚性输尿管镜检查输尿管和肾盂结石：并发症和成功的预测因素

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Objective To analyse and compare the effect of stone site and size, method of lithotripsy, and level of experience on the results and complications of semi-rigid ureteroscopy for ureteric and renal pelvic stones. Patients and methods Between April 2010 and May 2011, 90 patients underwent 95 ureteroscopies, using 7.5- and 9-F semi-rigid ureteroscopes, with or without pneumatic or laser lithotripsy. The peri-operative findings were analysed and compared. Results The mean (SD) longest diameter of the stones was 11.8 (4.5) mm. Laser lithotripsy was used in 32 cases and pneumatic lithotripsy in 26. There were complications in 35 procedures in the form of colicky pain (2%), haematuria (1%), stone migration (7%), equipment failure (5%), access failure (8%), mucosal injury (7%), fever (2%) and extravasation (3%).The calculi were successfully retrieved in 75 patients (83%). The success rate was 95%, 77%, 85%, and 53% in the lower, middle, upper ureter and renal pelvis, respectively. Conclusions Upper ureteric stones can be managed safely with the semi-rigid ureteroscope. Renal pelvic stones are associated with a lower success rate, and thus they were not a primary indication for ureteroscopic intervention. The secondary ureteroscopic management of renal pelvic stones improved the results of subsequent alkalinisation or shock-wave lithotripsy if they could not be eradicated completely. The failure rate was significantly small in lower ureteric stones and stones of 10 mm. Less experience, a stone size of 15 mm and patients ?2 years old were associated with more complications or a lower success rate. There was no significant difference in the success or complication rate between laser and pneumatic lithotripsy.
机译：目的分析和比较结石部位，大小，碎石方法和经验水平对输尿管和肾盂结石半刚性输尿管镜检查结果和并发症的影响。患者和方法在2010年4月至2011年5月之间，使用7.5或9 F半刚性输尿管镜对90例患者行了95例输尿管镜检查，有无气压或激光碎石术。分析并比较围手术期的发现。结果结石的平均最长直径为11.8（4.5）毫米。激光碎石术32例，气动碎石术26例。共35例手术并发症，包括绞痛（2％），血尿（1％），结石迁移（7％），设备故障（5％），入路失败（8％），粘膜损伤（7％），发烧（2％）和外渗（3％）。75例患者（83％）成功取回了结石。下，中，上输尿管和肾盂的成功率分别为95％，77％，85％和53％。结论使用半刚性输尿管镜可以安全地处理输尿管上段结石。肾盂结石的成功率较低，因此它们不是输尿管镜干预的主要指征。如果不能完全根除肾盂结石，则输尿管镜的二次处理可改善随后的碱化或冲击波碎石术的结果。下输尿管结石和<10 mm结石的失败率非常小。经验较少，结石直径> 15 mm和2岁以下患者与更多并发症或成功率较低相关。激光和气压弹道碎石术的成功率或并发症发生率无显着差异。

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