The aim of study is to investigate influence of tamsulosin on detrusor in patients with BPH. This is multi-centre, prospective and open study. Our analysis covers 20 patients above 45 y, with IPSS≥8, RU [Acta Inform Med 2008; 16(4.000): 210-214]

urinary bladder, benign prostate hyperplasia, tamsulosin, bladder wall thickness, ultrasound estimated bladder weight