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To evaluate the erectile function following transrectal ultrasound–guided saturation biopsies of the prostate.

Of the 150 patients included in the study, those with persistently elevated prostate-specific antigen (PSA) level underwent saturation biopsy. A median of 22-core (minimum: 20; maximum: 30) prostate saturation biopsies was taken. Patients were evaluated for erectile function prebiopsy with the 5-item version of the International Index of Erectile Function (IIEF-5) and the IIEF-Erectile Function (IIEF-EF) domain scoring. Concomitant systemic diseases and medications that would interfere with erectile function were recorded. Eighty-eight patients reported to be prostate cancer–free underwent further evaluation with the IIEF-5 questionnaire at 1 and 6 mo postbiopsy. Severity of erectile dysfunction (ED) was classified into four categories.

The patients’ ages …