Modular flexible ureteroscope combined with holmium laser lithotripsy for treatment of renal calculi: report of 46 cases
10.3760/cma.j.issn.1000-6702.2012.01.009
- VernacularTitle:组合式输尿管软镜联合钬激光治疗肾结石46例报告
- Author:
Yue CHENG
;
Zejun YAN
;
Jianwei MA
;
Hesheng YUAN
;
Guohai XIE
;
Xiaolong JIA
- Publication Type:Journal Article
- Keywords:
Modular flexible ureteroscope;
Renal calculi;
Holmium laser
- From:
Chinese Journal of Urology
2012;33(1):29-31
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the efficiency and clinical value of modular flexible ureteroscope combined with Holmium laser lithotripsy for treatment of renal calculi. MethodsA total of 46 patients with renal calculi were treated with modular flexible ureteroscope combined with Ho:YAG lithotripsy in our hospital from December 2009 to May 2011.There were 19 cases in middle and upper calyx,8 cases in lower calyx,15 case in renal pelvic,and 4 cases in multiple calyxes.The calculi diameter ranged from 6mm to 31 mm (average in 15 ± 7.9 mm).Flexible ureteroscope was used to find renal calculus under epidural anesthesia,and Holmium laser lithotripsy was used at a maximum energy of 12 to 20W (0.8 - 1.0 J/15 -20Hz).F5 or F6 double-J tubes and catheters were indwelled routinely postoperatively.-examine with KUB and removethe catheter 2 days after operation.Re-examine with B-ultrasonography or KUB 4 weeks after op-eration to evaluate the stone free rate.Residual stones ≥4 mm were regarded as clinical significance of residual stone fragments. Results 45 operations were successful except one case changed to percutaneous nephrolithotomy (PCNL) because of ureteral stricture.The operation time was 45 -150 min (average in 110.4 ±25.3 min).The patients were discharged from hospital in 2 -5 days(average in 3 days) after operation.The stone detection rate was 95.6％ (44/46),and the stone free rate was 86.9％ (40/46) after one operation. No severe complications such as ureteral perforation or hemorrhea occurred. Conclusions Modular flexible ureteroscope combined with Holmium laser lithotripsy is effective and safe for treatment ofrenal calculi,meanwhile it can decrease the high maintenance costs of integrated flexible ureteroscope.
