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  • Title: Analysis of prognostic factors regarding the outcome after a transurethral resection for symptomatic benign prostatic enlargement.
    Author: Seki N, Takei M, Yamaguchi A, Naito S.
    Journal: Neurourol Urodyn; 2006; 25(5):428-32. PubMed ID: 16721841.
    Abstract:
    AIMS: To identify preoperative predictive variables regarding treatment outcomes following transurethral resection of the prostate (TURP) of patients with symptomatic benign prostatic enlargement (BPE). METHODS: A retrospective study was conducted in 384 patients of 1,397 men who had undergone TURP for symptomatic BPE. All the patients had completed the evaluation of International Prostate Symptom Score (I-PSS), and quality of life (QOL) index, and had undergone full urodynamics before the surgery. Outcomes were assessed at 12 months after surgery. The association between baseline variables and the improvement in outcome variables was statistically analyzed. RESULTS: Preoperative urodynamic abnormalities included bladder outlet obstruction (BOO) in 315 (82.0%), detrusor underactivity in 91 (23.7%), and detrusor overactivity (DO) in 160 (41.7%). Multivariate analysis showed that the presence of DO and a higher degree of BOO were both associated with postoperative improvement both in I-PSS and the QOL. The initial level of storage symptoms correlated with an improvement in the QOL. CONCLUSIONS: The association between those variables obtained by preoperatively performed urodynamic analysis and the degree of improvement in lower urinary tract symptom and QOL following TURP was statistically elucidated in a large number of patients with symptomatic BPE. A higher degree of baseline BOO positively predicts the postoperative improvement in I-PSS and QOL, while the baseline DO negatively predict it.
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