目的 探讨输尿管负压吸引鞘在输尿管软镜碎石术治疗肾结石中的安全性及有效性.方法 回顾性分析96例行输尿管软镜碎石术治疗肾结石患者的临床资料,应用输尿管负压吸引鞘46例(治疗组),未应用50例(对照组),比较两组患者的结石清除率、手术时间、肾盂内压、术后肾绞痛、石街形成情况、术后全身炎症反应综合征(SIRS)、降钙素原(PCT)浓度、白细胞计数、住院时间、住院费用和治疗有效率.结果 治疗组肾盂内压在最小值、最大值和平均值方面均明显小于对照组(P <0.05);在1个月后检查发现,对照组患者治疗有效率为70.0%,清除率为82.0%,而治疗组患者治疗有效率为84.7%,清除率95.6%,治疗组患者结石治疗有效率和清除率明显优于对照组(P <0.05);治疗组和对照组手术时间分别为(86.3±5.2)和(108.6±3.5)min,治疗组明显短于对照组(P <0.05);对照组和治疗组术后肾绞痛例数分别为13和2例(P <0.05);对照组和治疗组术后石街形成例数分别为11和2例(P <0.05);对照组和治疗组术后SIRS分别为10和2例,治疗组术后肾绞痛和石街形成、SIRS例数均明显低于对照组(P <0.05);对照组和治疗组住院时间分别为(8.8±1.1)和(7.7±1.2)d,住院费用分别为(23067.5±392.8)和(21957.3±378.6)元,治疗组住院时间和住院费用与对照组比较差异无统计学意义(P >0.05);对照组和治疗组术后PCT分别为(1.5±0.3)和(0.3±0.1)ng/ml,白细胞计数分别为(14.6±0.5)×109/L和(6.4±0.6)×109/L,术后治疗组患者PCT和白细胞计数明显低于对照组(P <0.05).结论 输尿管负压吸引鞘在输尿管软镜碎石术治疗肾结石中安全、有效,缩短手术时长,同时提高结石清除率,减少不良反应发生,应当推广.%Objective To investigate the safety and efficacy of ureteral access sheath (UAS) with vacullm suction during flexible ureteroscopy lithotripsy in treatment of renal stones. Methods 96 cases of renal stones patients who received flexible ureteroscopy lithotripsy were retrospectively analyzed and divided into two groups:control group with 50 cases and treatment group with 46 cases. The stones free rate, operation time, intrapelvic pressure, renal colic, formation of steinstrasse, SIRS, Calcitonin Zymogen, leukocyte count, hospitalization time, hospitalization costs and treatment efficiency were evaluated after one month. Results The average, maximum and minimum intrapelvic pressure of treatment group was much lower than that of control group (P < 0.05); After one month, the treatment efficiency and stones free rate of control group was 70.0% and 82.0%, lower than that of treatment group (P < 0.05); The operation time of control group and treatment group was(108.6 ± 3.5) min, (86.3 ± 5.2) min (P < 0.05); The cases of renal colic, steinstrasse and SIRS of control group after treatment was 13 cases, 11 cases, 10 cases which was more than that of treatment group with 2 cases respectively (P < 0.05); The hospitalization time, hospitalization costs of control group and treatment group was (8.8 ± 1.1) d, (23 067.5 ± 392.8) RMB and (7.7 ± 1.2) d, (21 957.3 ± 378.6) RMB (P < 0.05); The Calcitonin Zymogen, leukocyte count of control group and treatment group was (1.5 ± 0.3) and (0.3 ± 0.1) ng/ml, (14.6 ± 0.5)×109/L and (6.4 ± 0.6)×109/L (P < 0.05). Conclusion The application of ureteral access sheath with vacullm suction during flexible ureteroscopy lithotripsy in treatment of renal stones was simple, safe and effective, and can shorten the operation time, improve the rate of clearing stone and treatment efficiency, reduce the incidence of adverse reactions. The application can be extended.
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