Journal
UROLOGY
Volume 75, Issue 3, Pages 658-663Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.urology.2009.09.033
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OBJECTIVES To evaluate the efficacy and safety of a 200-W high-intensity diode laser in the treatment of benign prostatic hyperplasia. METHODS The prostate was vaporized by using a side-firing laser fiber (diode laser: power, 150-200 W; wavelength, 980 nm; Limmer, Germany). The following parameters were assessed at baseline, and after a follow-up period of 1- and 6 months: International Prostate Symptom Score, maximum uroflow rate, postvoid residual urine volume, and quality of life score. Prostate volume and prostate-specific antigen levels were assessed at baseline and 6 months postoperatively. RESULTS This study included 55 patients diagnosed with lower urinary tract symptoms secondary to BPH, who were treated between December 2007 and July 2008. The recatheterization rate was 10.9%. None of these patients required a blood transfusion or had transurethral resection syndrome. Statistically significant improvements (P < .001) were observed in the values of International Prostate Symptom Score, Q(max), postvoid residual urine volume, and quality of life score at 1- and 6 months of follow-up as compared with the respective baseline values. Transient urge incontinence was noted in 8 patients (8/55, 14.5%). Sloughing of necrotic tissues was observed on cystoscopy in 8 patients within several weeks or months after the operation. The retreatment rate (secondary transurethral resection of the prostate) was 7.3%. CONCLUSIONS From our preliminary data, it was evident that diode laser prostatectomy can achieve excellent hemostasis, and provide immediate relief from obstructive voiding symptoms. However, the postoperative irritative symptoms and sloughing of necrotic tissues remained to be an important issue that needed to be resolved. UROLOGY 75: 658-663, 2010. (C) 2010 Elsevier Inc.
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