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12 May 1995 Laser prostatectomy using a right angle delivery system
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Abstract
Benign prostate hyperplasia (BPH) represents a major health problem in old men. In the present transurethral resection of the prostate (TURP) is the gold standard treatment for BPH. Although TURP is related to low mortality rates its mobidity is quite high. To evaluate the efficacy and safety of a new surgical treatment for BPH we undertook 30 patients with symptomatic BPH. All of them were submitted to a laser prostatectomy using a lateral delivery system (non contact) connected to a Nd-YAG laser font. The preoperative evaluation showed a prostate weight ranging from 30,5 to 86 grams (mean equals 42,5). The preoperative prostatic specific antigen (PSA) ranged from 0,9 to 10,2 ng/dl (mean equals 4.3). The International prostate symptom score (I-PSS) ranged from 16 to 35 points (means equals 23,58). The flow rate ranged from 0 to m 12.8 ml/sec (mean equals 4,65) and the postvoid residual urine from 20 to 400 ml (mean equals 100). We obtained follow-up in 20 patients. After three months after the procedure the parameters were: I-PSS from 4 to 20 points (mean equals 7,0) p < 0.05. Flow rate from 6,5 to m 19.4 ml/sec (mean equals 12,95) p < 0.05 and the postvoid residual urine from 17 to 70 ml (mean equals 30 ml) p < 0.05. No blood transfusion was required. The complications were persistent disuria in two patients, bladder neck contracture in one patient and urethral stenosis in one patient. We concluded that laser prostatectomy is a safe and effective treatment for BPH.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Flavio Trigo-Rocha M.D., Anuar Ibrahim Mitre M.D., Maria Cristina Chavantes M.D., and Sami Arap M.D. "Laser prostatectomy using a right angle delivery system", Proc. SPIE 2395, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems V, (12 May 1995); https://doi.org/10.1117/12.209118
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