OBJECTIVE: To present a reproducible step-by-step approach to en bloc thulium laser enucleation of the prostate (ThuLEP) for benign prostatic hyperplasia surgical treatment. Laser adenoma enucleation is nowadays a recognized surgical treatment for benign prostatic enlargement. Some variants to the classical 3-lobes laser technique have been proposed, in order to overcome the main concerns regarding the original procedure.1-4 After a vast experience with the 3-lobes ThuLEP, we developed our own en bloc enucleation technique. METHODS: The capsular plane is identified only once, at the level of the prostatic apex, at 5 o'clock; this plane is followed ascending towards the bladder neck, separating the left lobe from the prostatic capsule from 5 to 11 o'clock. The right and median lobes are then enucleated following the same plane clockwise and the 2 planes are joined anteriorly at 11 o'clock. Finally, enucleation is completed by incising the remaining mucosal flap from 10 to 2 o'clock. We have already proved the clear advantages provided by this technique compared to the "3-lobes" enucleation.5 RESULTS: Our single-center experience with this technique includes 140 procedures performed up to June 2018. Mean prostatic adenoma volume was 66.7 mL (range 20-220 ± 32.85 standard deviation [SD]). Mean total surgical time was 60.93 minutes (25-133 ± 23.6 SD); mean enucleation time was 18.3 minutes (8.2-36.53 ± 5.62 SD), mean enucleation time normalized per adenoma gram was 0.32 min/g (0.12-0.8 ± 0.15 SD) and mean energy needed for the enucleation normalized per adenoma gram was 1852.13 J/g (689-6129 ± 862.4 SD). Only 1 case of reintervention for clot evacuation (Clavien grade IIIb) was necessary. CONCLUSION: En bloc ThuLEP provides an anatomical approach for endoscopic enucleation of prostatic adenoma. We believe that this sequence optimizes efficiency and efficacy in a reproducible way.
En Bloc Thulium Laser Enucleation of the Prostate: A Step-by-Step Guide to Improve Enucleation Time and Efficiency for Endoscopic Enucleation of Prostatic Adenoma
Palumbo M.;Ietto G.;Carcano G.;
2019-01-01
Abstract
OBJECTIVE: To present a reproducible step-by-step approach to en bloc thulium laser enucleation of the prostate (ThuLEP) for benign prostatic hyperplasia surgical treatment. Laser adenoma enucleation is nowadays a recognized surgical treatment for benign prostatic enlargement. Some variants to the classical 3-lobes laser technique have been proposed, in order to overcome the main concerns regarding the original procedure.1-4 After a vast experience with the 3-lobes ThuLEP, we developed our own en bloc enucleation technique. METHODS: The capsular plane is identified only once, at the level of the prostatic apex, at 5 o'clock; this plane is followed ascending towards the bladder neck, separating the left lobe from the prostatic capsule from 5 to 11 o'clock. The right and median lobes are then enucleated following the same plane clockwise and the 2 planes are joined anteriorly at 11 o'clock. Finally, enucleation is completed by incising the remaining mucosal flap from 10 to 2 o'clock. We have already proved the clear advantages provided by this technique compared to the "3-lobes" enucleation.5 RESULTS: Our single-center experience with this technique includes 140 procedures performed up to June 2018. Mean prostatic adenoma volume was 66.7 mL (range 20-220 ± 32.85 standard deviation [SD]). Mean total surgical time was 60.93 minutes (25-133 ± 23.6 SD); mean enucleation time was 18.3 minutes (8.2-36.53 ± 5.62 SD), mean enucleation time normalized per adenoma gram was 0.32 min/g (0.12-0.8 ± 0.15 SD) and mean energy needed for the enucleation normalized per adenoma gram was 1852.13 J/g (689-6129 ± 862.4 SD). Only 1 case of reintervention for clot evacuation (Clavien grade IIIb) was necessary. CONCLUSION: En bloc ThuLEP provides an anatomical approach for endoscopic enucleation of prostatic adenoma. We believe that this sequence optimizes efficiency and efficacy in a reproducible way.
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