5-alpha Reductase Inhibitors/pharmacology Blood Loss Surgical/*prevention & control Blood Transfusion Dutasteride/*pharmacology Hemoglobins/analysis Humans Male Microcirculation Prospective Studies Prostate Prostatic Hyperplasia Randomized Controlled Trials as Topic Retrospective Studies *Transurethral Resection of Prostate Treatment Outcome Vascular Endothelial Growth Factor A/metabolism Benign prostatic hyperplasia Dutasteride Intraoperative blood loss Meta-analysis Transurethral resection of the prostate

Case-Control Studies Humans *Polymorphism Single Nucleotide Promoter Regions Genetic Urinary Bladder Neoplasms/*genetics Vascular Endothelial Growth Factor A/*genetics Bladder cancer Meta-analysis Polymorphism Vascular endothelial growth factor competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Asian People/genetics Carcinoma Renal Cell/genetics Female Genetic Association Studies/*methods Genetic Predisposition to Disease Humans Kidney Neoplasms/genetics Male *Polymorphism Single Nucleotide Prostatic Neoplasms/genetics Urinary Bladder Neoplasms/genetics Urogenital Neoplasms/*genetics Vascular Endothelial Growth Factor A/*genetics Meta-analysis Polymorphism Urologic neoplasms Vascular endothelial growth factors