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Diode Laser Vaporization for Benign Prostate Hyperplasia: Outcome After 126 Procedures.

Abstract：

: Purpose: Photoselective vaporization of the prostate (PVP) with a 940-nm diode laser is an option for treating symptoms caused by benign prostatic hyperplasia (BPH). Here, we present our experience using this technology. Methods: We prospectively evaluated 126 patients with lower urinary tract symptoms (LUTS) secondary to BPH who underwent PVP with a 940-nm diode laser from January 2011 to January 2014. The patients were assessed using the International Prostate Symptom Score (IPSS), quality of life (QoL) score, prostate-specific antigen (PSA) level, maximum urinary flow (Qmax) by uroflowmetry, postvoid residual volume, and prostate volume by ultrasound at baseline and 3, 6, 12, and 24 months after the procedure. Results: The average patient age was 68.8 ± 8.7 years (range 48-90 years), whereas the average preoperative parameters were as follows: IPSS, 26.1 ± 5.2; IPSS-QoL, 4.9 ± 0.8; Qmax, 4.5 ± 3.1 mL/s; prostate volume, 76.5 ± 35.5 mL; and PSA level, 3.9 ± 2.6 ng/mL. The average catheterization time was 24.7 ± 25.5 hours (range 3-120 hours), and the length of hospital stay was 22.4 ± 17.0 hours (range 8-144 hours). The mean follow-up duration was 17.9 months (range 1-36 months). All parameters showed significant improvement after 12 months. After 24 months, the IPSS (8.8 ± 5.4, p < 0.07), IPSS-QoL (1.6 ± 0.9, p < 0.13), Qmax (15.9 ± 7.3 mL/s, p < 0.11), and PSA level (1.2 ± 0.8 ng/mL, p < 0.11) were improved compared with the baseline, but the difference was not significant, probably due to the small number of patients evaluated in this period. No patients required a transfusion. Conclusions: The results suggest that PVP with a 940-nm diode laser is safe, effective, and durable for the treatment of LUTS secondary to BPH. The patients continue to be monitored for evaluation of the long-term results. A prospective randomized study would allow more solid conclusions regarding the technology to be reached.

journal_name

J Endourol

journal_title

Journal of endourology

authors

Tanaka EY,Barbosa FT,Murta CB,Claro JF,Manzano JP

doi

10.1089/end.2019.0311

subject

Has Abstract

pub_date

2019-12-01 00:00:00

pages

1025-1031

issue

eissn

0892-7790

issn

1557-900X

journal_volume

pub_type

杂志文章

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Diode Laser Vaporization for Benign Prostate Hyperplasia: Outcome After 126 Procedures.