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目的:比较微创经皮肾镜取石术(mPCNL)双通道取石和单通道两期取石治疗复杂性肾结石的疗效和安全性。方法:对57例复杂性结石患者,31例行双通道一期取石(双通道组),26例行单通道两期取石(单通道组)。结果:双通道组术中出血75～262.5 ml,平均146.4 ml;单通道组75～300ml,平均154.3 ml,差异无统计学意义。双通道组手术时间65～136 min,平均88.4 min;单通道组70～180 min,平均123.1 min,差异有统计学意义(P<0.05)。双通道组净石率为83.9%(26/31);单通道组为57.8%(15/26),差异有统计学意义(P<0.05)。结论:经双通道取石较单通道两期取石手术时间短,结石取净率高,患者住院时间短,治疗费用低,是治疗复杂性肾结石的一种理想方法。
OBJECTIVE: To compare the efficacy and safety of dual-channel lithotripsy and single-channel lithotripsy in the treatment of complex renal calculi with minimally invasive percutaneous nephrolithotomy (mPCNL). Methods: Fifty-seven patients with complex calculus were enrolled in this study. Twenty-one patients underwent dual-channel first-stage calcification (double-channel group) and 26 patients underwent single-channel two-stage lithotripsy (single channel group). Results: The intraoperative bleeding rate in the two-channel group was 75-262.5 ml (average 146.4 ml). In the single-channel group, the hemorrhage was 75-300 ml (average 154.3 ml), with no significant difference. The operation time of the two-channel group was 65- 136 min (mean, 88.4 min). In the single-channel group, the average time was 70-180 min (averaged 123.1 min). The difference was statistically significant (P <0.05). The nephelometer rate was 83.9% (26/31) in the dual-channel group and 57.8% (15/26) in the single-channel group, with a significant difference (P <0.05). CONCLUSION: The dual-channel stone removal is shorter than the single-channel stone surgery and has a high rate of stones removal. The hospitalization time is short and the treatment cost is low. It is an ideal method for the treatment of complex renal calculi.