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目的 :对比气压弹道和钬激光治疗输尿管单个结石的无石(SF)率,评价影响SF状态潜在的预测指标。方法 :前瞻性选择2010年1月~2014年8月的131个患有输尿管单个结石的患者,最终纳入117人,将其分为气压弹道碎石组(PL组,57人)和钬激光碎石组(HLL组,60人)。应用单变量和多元线性回归分析,评价SF状态潜在的预测指标。结果 :PL组的SF率是80.7%,而HLL组的SF率是86.1%,有显著差异。两组的相同位置的输尿管结石的碎石成功率无显著差异。通过单变量线性回归分析,确定输尿管中段结石(OR 3.33,P=0.04)、输尿管下段结石(OR 4.4,P=0.02)、输尿管镜HLL和CT值(OR 1.07,P=0.03)是SF状态有意义的预测指标。通过多元线性回归分析,显示输尿管中段结石、输尿管下段结石、HLL以及CT值≥1200与SF状态密切相关。结论 :HLL处理输尿管结石的SF率要明显高于PL,HLL可显著影响SF状态;结石的CT值可显著影响碎石的成功率。
OBJECTIVE: To compare the stone free (SF) rate of pneumatic lithotripsy and holmium laser in the treatment of ureteral calculi and to evaluate the potential predictors of SF status. Methods: One hundred and thirty-one patients with ureteral calculi were prospectively selected from January 2010 to August 2014. A total of 117 patients were enrolled and divided into pneumatic lithotripsy (PL group, 57) and holmium laser Stone group (HLL group, 60 people). Univariate and multivariate linear regression analysis was used to evaluate potential predictors of SF status. Results: The SF rate in PL group was 80.7%, while the SF rate in HLL group was 86.1%, which was significantly different. There was no significant difference in the success rate of gravel in ureteral calculi between the two groups. Ureteroscopic calculi (OR 3.33, P = 0.04), lower ureteral calculi (OR 4.4, P = 0.02), and ureteroscopic HLL and CT values (OR 1.07, P = 0.03) were determined by univariate linear regression analysis. Significance of the forecast index. Multiple linear regression analysis showed that the middle ureteral calculi, lower ureteral calculi, HLL and CT value ≥ 1200 were closely related to SF status. Conclusion: The SF of HLL in treating ureteral calculi is significantly higher than that of PL. HLL can significantly affect the SF status. The CT value of stone can significantly affect the success rate of gravel.