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  • Title: Postoperative Lower Urinary Tract Storage Symptoms: Does Prostate Enucleation Differ from Prostate Vaporization for Treatment of Symptomatic Benign Prostatic Hyperplasia?
    Author: Elkoushy MA, Elshal AM, Elhilali MM.
    Journal: J Endourol; 2015 Oct; 29(10):1159-65. PubMed ID: 25905430.
    Abstract:
    PURPOSE: To assess the degree of postoperative storage symptoms after GreenLight™ laser photoselective vaporization of the prostate (PVP) and Holmium laser enucleation of the prostate (HoLEP) for management of benign prostatic hyperplasia (BPH) and its predictors. METHODS: A retrospective review was performed for patients who underwent HoLEP or PVP for non catheter-dependent patients with BPH. Patients were followed up at 1, 3, 6, and 12 months and then annually by International Prostate Symptoms Score (IPSS), quality of life index, peak flow rate, residual urine volume, and prostate-specific antigen (PSA) level. Moderate or severe storage symptoms were defined as IPSS storage subscore ≥ 9. RESULTS: Of 1673 laser procedures, a total of 1100 procedures met the inclusion criteria including 809 HoLEPs and 291 PVPs. The HoLEP group had significantly larger preoperative prostates and longer operative time. In the HoLEP group, postoperative IPSS was significantly better than in the PVP group at all follow-up points (P<0.05). Storage subscore was significantly higher after PVP and did not improve until 6 months postoperatively when it became comparable with that of the HoLEP group. The number of patients with IPSS-storage score ≥ 9 were significantly higher in the PVP group at 1 and 3 months follow-up (37.3% vs 15.1%, P<0.001) and (26.4% vs 17.5%, P=0.004), respectively. XPS-180W was associated with the lowest storage symptoms among the three GreenLight generations at all follow-up visits. In multivariate analysis, baseline IPSS-storage subscore ≥ 9, prolonged operative time >100 minutes, and lower percent of postoperative PSA level reduction significantly predicted less improvement of postoperative storage symptoms regardless of the laser procedure. CONCLUSION: Storage urinary symptoms significantly improved more after HoLEP compared with PVP, irrespective of the generation of GreenLight laser used. Recovery from bothersome storage urinary symptoms after prostate vaporization is time dependent, and baseline degree of storage symptoms, prolonged operative time, and lower percent of postoperative PSA level reduction negatively predicts postoperative improvement of storage symptoms regardless of the laser procedure.
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