Frank Rücker1, Karin Lehrich2, Axel Böhme1, Mario Zacharias1, Sascha A Ahyai3, Jens Hansen1. 1. Department of Urology, Vivantes Auguste-Viktoria-Klinikum, Rubensstraße 125, 12157, Berlin, Germany. 2. Department of Urology, Vivantes Auguste-Viktoria-Klinikum, Rubensstraße 125, 12157, Berlin, Germany. karin.lehrich@vivantes.de. 3. Department of Urology, University Medical Center Goettingen, Goettingen, Germany.
Abstract
PURPOSE:Holmium Laser Enucleation of the Prostate (HoLEP) is widely accepted as standard laser enucleation technique for patients with benign prostate obstruction (BPO). Initially developed as a three-lobe enucleation technique, several modifications have been published. Comparison of the enucleation techniques is lacking. Therefor we aimed to compare outcomes of three enucleation techniques (en-bloc vs. two-lobe vs. three-lobe). MATERIAL AND METHODS: We prospectively collected data of 600 patients treated between 01/2017 and 12/2017 with HoLEP for BPO. Patients were randomised to either enbloc, two-lobe, or three-lobe enucleation, respectively. Data collection consisted of parameters on operation time, perioperative parameters, and functional outcomes. Univariate and multivariate analyses (ANOVA-test for continuous variables; Chi2-test for categorical variables) were performed regarding differences between the three enucleation techniques. RESULTS: Patient characteristics were not significantly different (all p > 0.05). Significant differences were observed with respect to overall operation time (en-bloc vs. two-lobe vs. three-lobe: 40.5 vs. 40.7 vs. 47.9, respectively; p < 0.001), speed (g/min.) (en-bloc vs. two-lobe vs. three-lobe, 1.82 vs. 1.76 vs. 1.67, respectively; p 0.006), and enucleation time (en-bloc vs. two-lobe vs. three-lobe: 31.7 vs. 32 vs. 37.7, respectively; p < 0.001). When solely comparing en-bloc vs. two-lobe enucleation, differences in terms of enucleation time, operation time, and speed were not significantly different (p 0.8, 0.9, and 0.2, respectively). Postoperative outcomes were not significantly different. CONCLUSION: All three HoLEP enucleation techniques show similar postoperative outcomes. However, enbloc and two-lobe enucleation are significantly faster with respect to enucleation, overall operation time, and speed compared to the three-lobe technique.
RCT Entities:
PURPOSE:Holmium Laser Enucleation of the Prostate (HoLEP) is widely accepted as standard laser enucleation technique for patients with benign prostate obstruction (BPO). Initially developed as a three-lobe enucleation technique, several modifications have been published. Comparison of the enucleation techniques is lacking. Therefor we aimed to compare outcomes of three enucleation techniques (en-bloc vs. two-lobe vs. three-lobe). MATERIAL AND METHODS: We prospectively collected data of 600 patients treated between 01/2017 and 12/2017 with HoLEP for BPO. Patients were randomised to either enbloc, two-lobe, or three-lobe enucleation, respectively. Data collection consisted of parameters on operation time, perioperative parameters, and functional outcomes. Univariate and multivariate analyses (ANOVA-test for continuous variables; Chi2-test for categorical variables) were performed regarding differences between the three enucleation techniques. RESULTS:Patient characteristics were not significantly different (all p > 0.05). Significant differences were observed with respect to overall operation time (en-bloc vs. two-lobe vs. three-lobe: 40.5 vs. 40.7 vs. 47.9, respectively; p < 0.001), speed (g/min.) (en-bloc vs. two-lobe vs. three-lobe, 1.82 vs. 1.76 vs. 1.67, respectively; p 0.006), and enucleation time (en-bloc vs. two-lobe vs. three-lobe: 31.7 vs. 32 vs. 37.7, respectively; p < 0.001). When solely comparing en-bloc vs. two-lobe enucleation, differences in terms of enucleation time, operation time, and speed were not significantly different (p 0.8, 0.9, and 0.2, respectively). Postoperative outcomes were not significantly different. CONCLUSION: All three HoLEP enucleation techniques show similar postoperative outcomes. However, enbloc and two-lobe enucleation are significantly faster with respect to enucleation, overall operation time, and speed compared to the three-lobe technique.
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