Abstract
Introduction: The aim of this study was to investigate the association of transrectal ultrasound (TRUS)-guided prostate biopsy with voiding impairment and the efficacy of doxazosin treatment. Methods: A prospective observational study including 200 male patients undergoing TRUS-guided prostate biopsy was performed between May 2020 and December 2020. One hundred patients underwent biopsy with doxazosin (doxazosin group). The remaining 100 patients underwent biopsy without doxazosin (control group). All patients were questioned regarding post-biopsy voiding difficulty and acute urinary retention. The International Prostate Symptom Score (IPSS), maximal urinary flow rate (Q<sub>max</sub>), and residual urine volume were recorded before biopsy and at 7 and 30 days after biopsy. Results: There were no significant differences in baseline parameters between the two groups. The rate of post-biopsy voiding difficulty in the doxazosin group was significantly lower than that in the control group. Compared with baseline values, doxazosin treatment significantly improved IPSS, quality of life scores, and Q<sub>max</sub> after biopsy (p < 0.05). The baseline values of IPSS and prostate size may be risk factors for post-biopsy voiding difficulty. Conclusion: TRUS-guided prostate biopsy causes transient voiding impairments, which may be improved by doxazosin treatment.
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