Transurethral ethanol injection therapy of benign prostatic hyperplasia: four-year follow-up.

Objective: Evaluating long-term (50 months) efficacy of transurethral intraprostatic injection of absolute ethanol to treat benign prostatic hyperplasia (BPH).

Methods: A prospective study was conducted to evaluate 35 patients with BPH treated by transurethral injection of dehydrated ethanol. Mean age was 66.