The efficacy of tamsulosin vs. nifedipine for the medical expulsive therapy of distal ureteric stones: A randomised clinical trial
Publication Type:Journal Article
Source:Arab Journal of Urology, Volume 11, Number 4, p.405-410 (2013)
Keywords:article, controlled study, creatinine blood level, diclofenac, dizziness, drug induced headache, drug therapy, echography, emergency care, fatigue, female, flushing, follow up, gastrointestinal symptom, heart palpitation, hospitalization, human, loose feces, major clinical study, male, medical expulsive therapy, muscle cramp, nifedipine, outcome assessment, prednisolone, randomized controlled trial, side effect, sustained drug release, tamsulosin, ureter stone, ureteroscopy
Objectives To assess and compare, in a randomised clinical trial, the efficacy of tamsulosin and nifedipine as medical expulsive therapy for distal ureterolithiasis. Patients and methods In all, 128 symptomatic patients with stones in the juxtavesical tract of the ureter were randomly divided into group 1 (64 patients) receiving oral nifedipine sustained-release 30 mg/day, and group 2 (64 patients) receiving tamsulosin 0.4 mg/day. Both groups received oral prednisolone 30 mg/day for 10 days and diclofenac 75 mg intramuscularly on demand. Patients were assessed by weekly ultrasonography with or with no abdominal computed tomography, during a follow-up of 4 weeks. The stone passage rate and time, analgesic use, hospitalisation and endoscopic interventions were evaluated. The results were analysed statistically using appropriate tests. Results The stone expulsion rate was 55% for group 1 and 80% for group 2 (P = 0.004). The mean stone size was 8.59 and 8.85 mm in groups 1 and 2, respectively. The mean expulsion time was 23 days for group 1 and 9 days for group 2 (P < 0.001). The mean number of diclofenac injections was 1.19 for group 1 and 0.42 for group 2 (P < 0.001). Eleven patients in group 1 vs. two in group 2 were hospitalised (P = 0.001). Twenty-six patients in group 1 and 13 in group 2 underwent ureteroscopy (P < 0.001). Conclusions Medical expulsive therapy with tamsulosin should be considered as a first-line treatment for index cases of distal ureterolithiasis with no complications. The use of tamsulosin provides better stone expulsion than does nifedipine. © 2013 Production and hosting by Elsevier B.V.
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