Composite urinary and sexual outcomes after Rezum: an analysis of predictive factors from an Italian multi-centric study.

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The Rezum system is one of the latest minimally invasive surgical treatments for benign prostatic hyperplasia. We retrospectively reviewed all patients who underwent the Rezum treatment in seven different Italian institutions. A successful urinary outcome was defined as: ≥50% improvement in the IPSS <7, improvement in peak flow ≥50% and/or more than 15 ml/s, ≥1-point improvement in the QoL questionnaire and in the absence of perioperative major complications (AUR, transfusion) or postoperative incontinence. A successful sexual outcome was defined as postoperative (latest follow up consultation) antegrade ejaculation or no variation in ejaculatory function and an increase, or stability or max 1 class reduction, in IIEF-5. 262 patients were enrolled with a follow-up period of 11 months (IQR 5-15). No early or late serious adverse events (Clavien III-IV) occurred. Early complications occurred in 39.3% of cases, with 4 cases of clot retention and one case of blood transfusion. Urge incontinence was reported by 6 patients (2.2%). A treatment failure requiring re-intervention occurred in 4 cases (1.5%). The preoperative antegrade ejaculation rate was 56.5%, and after the procedure it increased to 78.2%. The increase of ≥1-point in the QoL was achieved in 92.7% of the cases. Optimal urinary and sexual outcomes were achieved in 52.9% and 87.8%, respectively. In our series, water vapor intraprostatic injections seem to be an effective and safe procedure.