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  • Title: Urodynamic evaluation in diabetic patients with prostate enlargement and lower urinary tract symptoms.
    Author: Dib PT, Trigo-Rocha F, Gomes CM, Srougi M.
    Journal: Urol Int; 2008; 80(4):378-82. PubMed ID: 18587248.
    Abstract:
    INTRODUCTION: Lower urinary tract symptoms (LUTS) are common in men over 50 years of age due to prostate enlargement. Diabetes mellitus is also more prevalent in this group. LUTS may result from bladder outlet obstruction (BOO) secondary to prostate enlargement or bladder dysfunction secondary to diabetes or even from a combination of both. OBJECTIVES: The objective of this study was to determine the prevalence of BOO and other urodynamic abnormalities in diabetic patients with LUTS and enlarged prostate. A secondary objective was to assess the predictive value of non-invasive tests for BOO diagnosis in this group of patients. PATIENTS AND METHODS: 50 consecutive diabetic patients with enlarged prostate and LUTS were evaluated by the International Prostate Symptom Score (IPSS), ultrasonography and urodynamics. BOO diagnosis was based on pressure/flow measurements according to the International Continence Society's standards. RESULTS: Of the 50 patients in the study, 23 (46%) had BOO. There was no correlation between the IPSS, uroflowmetry, post-voiding residual urine or prostate volume and the presence of BOO (p > 0.05). CONCLUSIONS: There is a relatively low prevalence of BOO in diabetic patients with prostate enlargement and LUTS. Non-invasive tests did not allow the identification of these subjects. Only urodynamic evaluation is able to determine symptom etiology.
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