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KMID : 0358320080490121100
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Korean Journal of Urology
2008 Volume.49 No. 12 p.1100 ~ p.1104
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The Effect of Tamsulosin on Expulsion of Ureteral Stones after Extracorporeal Shock Wave Lithotripsy
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Kim Tae-Heung
Moon Young-Tae
Oh Seung-Young
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Abstract
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Purpose: The aim of this study was to evaluate the effect of tamsulosin on expulsion of ureteral stones after extracorporeal shock wave lithotripsy (ESWL).
Materials and Methods: Seventy-six patients(39 with upper ureteral stones and 37 with lower ureteral stones) treated with ESWL for stones ＜10mm were randomly divided into two groups. Tamsulosin(0.2mg orally once daily) was administered to group 1; group 2 received no medications. All patients were evaluated with respect to the number of episodes of ureteral colic, the expulsion rates of stones after ESWL, and the mean number of sessions of ESWL until complete expulsion of stones.
Results: The complete expulsion rates of upper and lower ureteral stones did not differ significantly between groups 1 and 2 during each session of ESWL; however, the mean session of ESWL was lower in group 1 than in group 2. For upper ureteral stones, 1.8 sessions were necessary per patient in group 1, while 2.3 sessions were required for the patients in group 2(p=0.039). For lower ureteral stones, 2.0 sessions were necessary per patient in group 1, while 2.9 sessions were required for the patients in group 2(p=0.032). There were significant decreases in the number of episodes of pain in group 1 with lower ureteral stones(p=0.014). There were no side effects associated with tamsulosin.
Conclusions: The use of tamsulosin in the treatment of upper and lower ureteral stones after ESWL can decrease the mean number of sessions of ESWL and the number of episodes of pain, but cannot improve the expulsion rate. Further research regarding the cost-effectiveness of tamsulosin after ESWL is needed.
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KEYWORD
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Tamsulosin, Calculi, Extracorporeal shockwave lithotripsy
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