Abstract
Objective To evaluate the efficacy of combination solifenacin and tamsulosin for the treatment of distal ureteral calculi after extracorporeal shock wave lithotripsy. Methods 120 patients (male:100 female:20 age:18-67 yrs) randomly assigned to 4 groups (each group 30) with the calculi diameter range from 0.5 to 1.1 cm.All patients performed extracorporeal shock wave lithotripsy (X ray oriented).The control group did not accept any medical treatment.The solifenacin group were administered solifenacin 5 mg,once per day.The tamsulosin group were administered tamsulosin 0.2 mg,once per day.The combination group were administered solifenacin 5mg,plus tamsulosin 0.2 mg,each per day.The observation duration was set at 2 weeks. Results The stone-free rate (according to KUB) within 2 weeks were 80.0％,83.3％,93.3％ and 96.7％ in the control group,solifenacin group,tamsulosin group and combination group respectively.Statistical differences were significant among the tamsulosin group,the combination group and the control group.The stone expulsion times were (7.6 + 3.7) d,(6.3 ± 2.5) d,(4.4 + 2.3) d and (3.5 ± 2.2) d in the 4 groups respectively.Statistical differences were significant among the tamsulosin group,the combination group and the control group.The uses of analgesics were 13,5,9 and 3 in the 4 groups respectively.The bladder irrtative symptoms were 12,6,4 and 4 in the 4 groups respectively.Statistical differences were also significant for the use of analgesics and relief of bladder irritation between the solifenacin group,the combination group and the control group. Conclusions Tamsulosin and solifenacin could be safe and effective for the treatment of distal ureteral calculi after extracorporeal shock wave lithotripsy.It could significantly improve the stone expulsion rate,relief the pain and improve bladder irrtative symptoms. Key words: Distal ureteral calculi; Tamsulosin ; Solifenacin
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