Abstract
To report the first long-term experience on the efficacy of bipolar transurethral radiofrequency needle ablation (RFA) in patients with lower urinary tract symptoms that are secondary to benign prostatic hyperplasia. A nonrandomized prospective cohort of 12 candidates for transurethral resection of the prostate underwent bipolar transurethral RFA in 2004 (mean age 63; prostate volume 34 cc). Patients were evaluated preoperatively and at 3, 12, 36, and 60 months postprocedure. International Prostate Symptom Score (IPSS), quality-of-life (QoL) index, peak urinary flow rate (Qmax), postvoid residual volume (PVR), and need for a second procedure were evaluated at each follow-up interval. Significant improvement in urinary symptoms and voiding parameters occurred at 1 year after the procedure. Mean improvements for IPSS, QoL, and Q(max) were 12 points, 3.5 points, and 8 mL/s, respectively. Improvement, however, was not sustained in the long term. Nine patients ultimately had treatment failure necessitating a secondary procedure, one at 2 months, five after 3 years, and three by 5 years. Two patients were lost to follow-up. Only one patient had long-term benefit from the procedure. In the short term, bipolar RFA produced clinically meaningful improvement in symptom scores and voiding parameters. The majority of patients, however, eventually experienced treatment failure and needed additional surgical procedures. Only 8% of patients had long-term (>5 years) benefit.
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