“Five-Step” Vaporization of the Prostate Using 180-W XPS Greenlight Laser in Patients with Benign Prostatic Hyperplasia of Large Volume: Improved Efficacy and Safety
Abstract
Objective: To evaluate the safety and efficacy of 180-W XPS Greenlight laser “Five-step” photoselective vaporization of the prostate (PVP) in patients with benign prostatic hyperplasia (BPH) with prostate volume (PV) > 80 mL. Background: In patients with BPH with large PV, PVP often results in bleeding, unclear visual field, additional damage, and insufficient tissue vaporization. Methods: This single-center, retrospective study enrolled patients with BPH with PV > 80 mL treated with the Five-step PVP or the Conventional PVP from January 2018 to June 2021. Comorbidities, high-risk habits, and operative parameters were analyzed and compared. The short-term functional outcomes and postoperative complications were recorded over the 24-month follow-up. Results: Two hundred eligible patients were divided into the Five-step PVP and Conventional PVP groups (n = 100 each). These groups showed no differences in comorbidities, living habits, baseline perioperative parameters, operative time, lasing time, or energy use. However, a higher energy density (3.95 [interquartile range (IQR) 3.37, 4.52] vs 3.68 [IQR 3.17, 4.20] kJ/mL) and energy–time ratio (7.23 [IQR 6.12, 8.52] vs 6.72 [IQR 5.51, 7.87] kj/min p = 0.034) were obtained in the Five-step PVP group. Subgroup analysis of patients with PV ≥120 mL showed similar results. The short-term functional outcomes were similar between the two study groups with significant improvement from baseline, but the total prostate-specific antigen…
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