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BJU Int. 2003 Mar;91(4):375-9.

Preoperative urodynamic and symptom evaluation of patients undergoing transurethral prostatectomy: analysis of variables relevant for outcome.

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1
Department of Urology, University Hospital Dresden, Gemany.

Abstract

OBJECTIVE:

To assess the value of preoperative symptom score assessment and pressure-flow measurement in men undergoing transurethral prostatectomy (TURP).

PATIENTS AND METHODS:

In a prospective study, 95 men (mean age 74.3 years) scheduled for TURP because of their lower urinary tract symptoms, flow rates and urinary residual volumes were assessed using the self-administered International Prostate Symptom Score (IPSS) and urodynamic pressure-flow studies. At 3 months after TURP the patients were reassessed with a flow rate measurement and the IPSS. The baseline IPSS and urodynamic values were analysed with respect to the endpoints of the study, flow rate and IPSS after TURP, and the improvements thereof, respectively.

RESULTS:

There were significant improvements in mean IPSS (- 10.87 points) and peak flow rate (+ 7.06 mL/s) 3 months after TURP. Classifying the patients into subgroups with distinctly different initial values for IPSS, flow rate, residual urine volume and degree of obstruction (as expressed by Abrams-Griffiths number) showed that the flow rate and degree of obstruction influenced the improvement in flow rate but not in symptoms after TURP. Symptom improvement was only related to the initial level of symptoms. In a multivariate analysis, only age was an independent predictor of the outcome variables of flow rate and symptoms.

CONCLUSIONS:

Clinical decision-making remains a valid instrument for selecting patients for TURP. Both the IPSS and pressure-flow assessment are useful to exclude patients who are unlikely to benefit from TURP. Age is an important predictor of the improvement in symptoms and flow rates after TURP for the lower urinary tract symptom complex associated with benign prostatic enlargement.

PMID:
12603418
[Indexed for MEDLINE]
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