Abstract
To assess the durability of the results of transurethral microwave thermotherapy (TUMT) for symptomatic benign prostatic hyperplasia (BPH), we have reviewed publications describing trials with at least 3 years of follow-up. For men treated only by TUMT, improvement in symptoms and quality of life appears to be maintained for at least 4 to 5 years. Improvement in peak flow rates is modest but is generally maintained, particularly after higher-energy therapies. These results represent responders, and a crucial question is the need for additional treatments. With lower-energy treatment, this is common: between 50% and 60% within 3 to 5 years. With higher-energy TUMT, the retreatment rate appears to be less, approximating 20% within 3 to 4 years. When comparing these results with those of transurethral resection, it should be noted that there is a significant failure rate with surgery, and even if failure is more common with TUMT, men may be prepared to accept this risk rather than the greater morbidity of prostatectomy.
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