Objective:To evaluate the effect of ureteral access sheath(UAS)use and calibration change on stone-free rate and complications of retrograde intrarenal surgery(RIRS).Methods:Data from 568 patients undergoing RIRS for ...Objective:To evaluate the effect of ureteral access sheath(UAS)use and calibration change on stone-free rate and complications of retrograde intrarenal surgery(RIRS).Methods:Data from 568 patients undergoing RIRS for kidney or upper ureteral stones were retrospectively included.Firstly,patients were compared after 1:1 propensity score matching,according to UAS usage during RIRS(UAS used[+]87 and UAS non-used[−]87 patients).Then all UAS+patients(n=481)were subdivided according to UAS calibration:9.5-11.5 Fr,10-12 Fr,11-13 Fr,and 13-15 Fr.Primary outcomes of the study were the success and complications of RIRS.Results:Stone-free rate of UAS+patients(86.2%)was significantly higher than UAS−patients(70.1%)after propensity score matching(p=0.01).Stone-free rate increased with higher caliber UAS(9.5-11.5 Fr:66.7%;10-12 Fr:87.0%;11-13 Fr:90.6%;13-15 Fr:100%;p<0.001).Postoperative complications of UAS+patients(11.5%)were significantly lower than UAS−patients(27.6%)(p=0.01).Complications(8.7%)with 9.5-11.5 Fr UAS was lower than thicker UAS(17.2%)but was not statistically significant(p=0.09).UAS usage was an independent factor predicting stone-free status or peri-and post-operative complications(odds ratio[OR]3.654,95%confidence interval[CI]1.314-10.162;OR 4.443,95%CI 1.350-14.552;OR 4.107,95%CI 1.366-12.344,respectively).Conclusion:Use of UAS in RIRS may increase stone-free rates,which also increase with higher caliber UAS.UAS usage may reduce complications;however,complications seemingly increase with higher UAS calibration.展开更多
Objective:To examine differences in outcomes of semi-rigid ureteroscopy(URS)with or without a modified-ureteral-access-sheath(mUAS)to treat large upper ureteral stones.Methods:Patients with single,radio-opaque large u...Objective:To examine differences in outcomes of semi-rigid ureteroscopy(URS)with or without a modified-ureteral-access-sheath(mUAS)to treat large upper ureteral stones.Methods:Patients with single,radio-opaque large upper ureteral stone(≥10 mm)treated using semi-rigid URS between August 2013 and October 2016 were retrospectively evaluated.The stone-free status was determined from Kidney-ureter-bladder(KUB)X-ray films taken on postoperative Day 1 and after 1 month.Results:Of 103 patients meeting inclusion criteria,43(41.75%)and 60(58.25%)were treated with semi-rigid URS with and without mUAS,respectively.The immediate stone-free rate(SFR)for the mUAS group was significantly higher than the non-mUAS group(40[93.0%]vs.46[76.7%];p=0.033).The SFR at 1 month was also high for patients treated using mUAS,but not statistically different from patients not treated with mUAS(41[95.3%]mUAS vs.51[85.0%]non-mUAS;p=0.115).Auxiliary procedure rates were significantly lower for mUAS patients compared to non-mUAS patients(2[4.7%]vs.14[23.3%];p=0.01).There were no significant differences in surgical duration and hospital stays,and the overall complication rates were statistically similar for mUAS patients compared to non-mUAS patients(1[2.3%]vs.3[5.0%];p=0.638).展开更多
目的探讨输尿管软镜联合末端可弯曲输尿管软镜鞘(FTS-UAS)治疗肾结石的临床效果。方法回顾性分析2022年6月—2023年8月陕西中医药大学第二附属医院泌尿外科收治的94例肾结石患者的临床资料。按照不同的手术方案分为对照组(50例,输尿管...目的探讨输尿管软镜联合末端可弯曲输尿管软镜鞘(FTS-UAS)治疗肾结石的临床效果。方法回顾性分析2022年6月—2023年8月陕西中医药大学第二附属医院泌尿外科收治的94例肾结石患者的临床资料。按照不同的手术方案分为对照组(50例,输尿管软镜联合常规鞘)和观察组(44例,输尿管软镜联合FTS-UAS)。观察两组术后1d、3d、4周的结石清除率,统计手术指标、视觉模拟评分法(VAS)、并发症及恢复情况。结果观察组术后1d、3d、4周结石清除率高于对照组(P<0.05)。两组手术时间、术中出血量、血红蛋白下降幅度比较,差异均无统计学意义(P>0.05)。观察组术前、术后1 d VAS评分的差值高于对照组。两组并发症总发生率比较,差异无统计学意义(P>0.05),两组并发症的Clavien分级均为Ⅰ级。观察组术后血尿持续时间短于对照组(P<0.05)。两组住院时间、住院费用比较,差异均无统计学意义(P>0.05)。结论输尿管软镜联合FTS-UAS治疗肾结石具有较高的结石清除率,还可减轻疼痛程度,且不会增加并发症的发生。展开更多
目的探讨自制测压吸石输尿管扩张鞘联合负压吸引器在输尿管软镜治疗肾结石术中的应用价值。方法2015年3~5月,使用自制测压吸石输尿管扩张鞘(专利号:201520062247.6)配合负压吸引装置,对33例肾结石行输尿管软镜钬激光碎石治疗。术前设定...目的探讨自制测压吸石输尿管扩张鞘联合负压吸引器在输尿管软镜治疗肾结石术中的应用价值。方法2015年3~5月,使用自制测压吸石输尿管扩张鞘(专利号:201520062247.6)配合负压吸引装置,对33例肾结石行输尿管软镜钬激光碎石治疗。术前设定灌注泵流量0.2 L/min,灌注压力上限设定为100 mm Hg,吸引负压为10 k Pa,通过自制测压吸石输尿管扩张鞘副通道监测肾内压力,使用蚕食法边碎石边吸石,尽量将结石击碎至0.2 mm,术中根据视野清晰情况及肾内压力大小对灌注流量、压力及时进行调整。结果术中初始肾内压力为(14.7±3.2)mm Hg(9~22 mm Hg),灌注时间(29.3±2.5)min(25~37 min),术中视野清晰,无肾脏出血、破裂,术后生命体征平稳,无发热、尿源性脓毒血症等并发症,出院前1天复查腹部平片提示残留结石最大直径约1 cm 9例,0.5 cm 15例,<0.3 cm 9例,术后住院时间均为2天。术后1个月均返院取出双J管。术后2个月复查腹部平片及泌尿系B超,28例未见结石残留,5例见结石碎片残留于肾下极,直径<0.3 cm。结论本研究初步表明,使用自制测压吸石输尿管扩张鞘,手术过程安全,正负压力、进出流量可控,吸石效果良好。展开更多
文摘Objective:To evaluate the effect of ureteral access sheath(UAS)use and calibration change on stone-free rate and complications of retrograde intrarenal surgery(RIRS).Methods:Data from 568 patients undergoing RIRS for kidney or upper ureteral stones were retrospectively included.Firstly,patients were compared after 1:1 propensity score matching,according to UAS usage during RIRS(UAS used[+]87 and UAS non-used[−]87 patients).Then all UAS+patients(n=481)were subdivided according to UAS calibration:9.5-11.5 Fr,10-12 Fr,11-13 Fr,and 13-15 Fr.Primary outcomes of the study were the success and complications of RIRS.Results:Stone-free rate of UAS+patients(86.2%)was significantly higher than UAS−patients(70.1%)after propensity score matching(p=0.01).Stone-free rate increased with higher caliber UAS(9.5-11.5 Fr:66.7%;10-12 Fr:87.0%;11-13 Fr:90.6%;13-15 Fr:100%;p<0.001).Postoperative complications of UAS+patients(11.5%)were significantly lower than UAS−patients(27.6%)(p=0.01).Complications(8.7%)with 9.5-11.5 Fr UAS was lower than thicker UAS(17.2%)but was not statistically significant(p=0.09).UAS usage was an independent factor predicting stone-free status or peri-and post-operative complications(odds ratio[OR]3.654,95%confidence interval[CI]1.314-10.162;OR 4.443,95%CI 1.350-14.552;OR 4.107,95%CI 1.366-12.344,respectively).Conclusion:Use of UAS in RIRS may increase stone-free rates,which also increase with higher caliber UAS.UAS usage may reduce complications;however,complications seemingly increase with higher UAS calibration.
基金This work was financed by grants from the National Natural Science Foundation of China(No.81370804 and No.81670643)Guangzhou Science,Technology and Innovation Commission(No.201604020001,No.201607010162 and No.201704020193).
文摘Objective:To examine differences in outcomes of semi-rigid ureteroscopy(URS)with or without a modified-ureteral-access-sheath(mUAS)to treat large upper ureteral stones.Methods:Patients with single,radio-opaque large upper ureteral stone(≥10 mm)treated using semi-rigid URS between August 2013 and October 2016 were retrospectively evaluated.The stone-free status was determined from Kidney-ureter-bladder(KUB)X-ray films taken on postoperative Day 1 and after 1 month.Results:Of 103 patients meeting inclusion criteria,43(41.75%)and 60(58.25%)were treated with semi-rigid URS with and without mUAS,respectively.The immediate stone-free rate(SFR)for the mUAS group was significantly higher than the non-mUAS group(40[93.0%]vs.46[76.7%];p=0.033).The SFR at 1 month was also high for patients treated using mUAS,but not statistically different from patients not treated with mUAS(41[95.3%]mUAS vs.51[85.0%]non-mUAS;p=0.115).Auxiliary procedure rates were significantly lower for mUAS patients compared to non-mUAS patients(2[4.7%]vs.14[23.3%];p=0.01).There were no significant differences in surgical duration and hospital stays,and the overall complication rates were statistically similar for mUAS patients compared to non-mUAS patients(1[2.3%]vs.3[5.0%];p=0.638).
文摘目的探讨输尿管软镜联合末端可弯曲输尿管软镜鞘(FTS-UAS)治疗肾结石的临床效果。方法回顾性分析2022年6月—2023年8月陕西中医药大学第二附属医院泌尿外科收治的94例肾结石患者的临床资料。按照不同的手术方案分为对照组(50例,输尿管软镜联合常规鞘)和观察组(44例,输尿管软镜联合FTS-UAS)。观察两组术后1d、3d、4周的结石清除率,统计手术指标、视觉模拟评分法(VAS)、并发症及恢复情况。结果观察组术后1d、3d、4周结石清除率高于对照组(P<0.05)。两组手术时间、术中出血量、血红蛋白下降幅度比较,差异均无统计学意义(P>0.05)。观察组术前、术后1 d VAS评分的差值高于对照组。两组并发症总发生率比较,差异无统计学意义(P>0.05),两组并发症的Clavien分级均为Ⅰ级。观察组术后血尿持续时间短于对照组(P<0.05)。两组住院时间、住院费用比较,差异均无统计学意义(P>0.05)。结论输尿管软镜联合FTS-UAS治疗肾结石具有较高的结石清除率,还可减轻疼痛程度,且不会增加并发症的发生。
文摘目的探讨自制测压吸石输尿管扩张鞘联合负压吸引器在输尿管软镜治疗肾结石术中的应用价值。方法2015年3~5月,使用自制测压吸石输尿管扩张鞘(专利号:201520062247.6)配合负压吸引装置,对33例肾结石行输尿管软镜钬激光碎石治疗。术前设定灌注泵流量0.2 L/min,灌注压力上限设定为100 mm Hg,吸引负压为10 k Pa,通过自制测压吸石输尿管扩张鞘副通道监测肾内压力,使用蚕食法边碎石边吸石,尽量将结石击碎至0.2 mm,术中根据视野清晰情况及肾内压力大小对灌注流量、压力及时进行调整。结果术中初始肾内压力为(14.7±3.2)mm Hg(9~22 mm Hg),灌注时间(29.3±2.5)min(25~37 min),术中视野清晰,无肾脏出血、破裂,术后生命体征平稳,无发热、尿源性脓毒血症等并发症,出院前1天复查腹部平片提示残留结石最大直径约1 cm 9例,0.5 cm 15例,<0.3 cm 9例,术后住院时间均为2天。术后1个月均返院取出双J管。术后2个月复查腹部平片及泌尿系B超,28例未见结石残留,5例见结石碎片残留于肾下极,直径<0.3 cm。结论本研究初步表明,使用自制测压吸石输尿管扩张鞘,手术过程安全,正负压力、进出流量可控,吸石效果良好。
