Abstract:Objective: To determine the efficacy and safety of balloon dilation percutaneous nephrolithotomy (PCNL) for undilated targeted calyxes monitored by different methods. Methods:We retrospectively included 60 consecutive patients with kidney stones and the patients were treated by one single balloon dilation tract for undilated targeted calyxes from March 2019 to March 2021. Patients were divided into two groups (ultrasound group and combined group) according to the technique of tract dilation. Tract puncture and dilation were totally monitored by ultrasound in the ultrasound group and by ultrasound and X-ray in the combined group. Efficacy (tract establishment time, first-time dilation success rate, surgical duration, stone-free rate) and safety (Hb drop, postoperative complication rate, postoperative tubeless rate, postoperative hospital stay) were compared between the two groups. Results:All 60 patients were operated successfully with mean tract establishment time of (5.23±1.57) min, surgical duration of 65.00 (43.75) min, stone-free rate of 96.67% (58/60), mean Hb drop of (1.85±8.72) g/L, postoperative tubeless rate of 23.33% (14/60), and postoperative hospital stay of 4.00 (1.00) d. Tract dilation succeeded in 81.67% (49 succeeded and 11 failed) patients at first attempt. The total rate of complications was 5.00% (3/60) including two cases of Clavien-Dindo Ⅰ and one case of Clavien-Dindo Ⅲa. No significant differences in age, stone diameter, stone form and body mass index were found between the ultrasound and combined groups. However, the combined group had higher first-time dilation success rate (93.10% vs. 70.97%, P < 0.05) and postoperative tubeless rate (34.48% vs. 12.90%, P < 0.05) than in the ultrasound group. Conclusion:Balloon dilation PCNL is efficient and safe for undilated targeted calyxes. However, tract creation monitored by ultrasound combined with X-ray has higher first-time dilation success rate and postoperative tubeless rate than totally ultrasound-guided tract creation.
孟祥虎, 丛戎, 姚亮宇, 鲁佩, 张炜, 王增军, 宋日进. 不同监视方式球囊扩张通道在无积水肾盏经皮肾镜取石术中的有效性及安全性分析[J]. 微创泌尿外科杂志, 2021, 10(4): 232-237.
MENG Xianghu, CONG Rong, YAO Liangyu, LU Pei, ZHANG Wei, WANG Zengjun, SONG Rijin. Efficacy and safety of balloon dilation percutaneous nephrolithotomy for undilated targeted calyxes monitored by different methods. JOURNAL OF MINIMALLY INVASIVE UROLOGY, 2021, 10(4): 232-237.
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