الفهرس 
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Abstract
Introduction : Ejaculatory dysfunction has been reported as a price for successful relief of benign prostatic obstruction. Attempts to preserve ejaculation have been described however; concerns about potential re-obstruction are never solved. In this trial, we assessed the efficacy of EH-sparing Greenlight Laser photoselective vaporization of the prostate (GL.PVP) in preserving antegrade ejaculation and urodynamic relief of obstruction in comparison to standard GL.PVP. Patient and methods : Between November 2015 and September 2017, 46 out of 50 sexually active BPH patients were randomized for the study. Standard GL.PVP was performed as classically described with TURP like cavity as end point of vaporization. EH-sparing GL.PVP was performed with preservation of the paracollicular and supracollicular tissue present proximal to verumontanum. Results : Antegrade ejaculation was reported in 85% after EH-sparing GL.PVP and in 31.6% after standard GL.PVP (P=0.001). All urinary outcome measures showed comparable significant improvement. Conclusion: In well-informed sexually interested patients, EH-sparing GL.PVP procedure is feasible and effective for treatment of small to moderate sized BPH with superior sexual function related outcome. Short-term relief of obstruction is objectively comparable to standard GL.PVP.