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  • Title: Uroflowmetry alterations in patients with autosomal dominant polycystic kidney disease.
    Author: Lai S, Mittherhofer AP, Cianci R, Riviello L, Vocaturi M, Mastroluca D, Ciccariello M, Von Heland M, Ricciuti GP, Salciccia S, Mazzaferro S.
    Journal: Eur Rev Med Pharmacol Sci; 2019 Apr; 23(7):2734-2743. PubMed ID: 31002123.
    Abstract:
    OBJECTIVE: Autosomal Dominant Polycystic Kidney Disease (ADPKD) is a heterogeneous inherited disease characterized by renal and extrarenal manifestations with progressive fluid-filled cyst development leading to end-stage renal disease. Our aim was to evaluate the prevalence of obstructive urological disease in ADPKD patients and possible associations with endothelial dysfunction, nutritional, metabolic and inflammatory markers. PATIENTS AND METHODS: The study included ADPKD patients and control group, who carried out uroflowmetry, an assessment of renal function, metabolic and nutritional parameters and an evaluation of endothelial dysfunction and atherosclerotic markers, such as Renal Resistive Index (RRI), Intima-Media Thickness (IMT) and Flow-Mediated Dilation (FMD). RESULTS: We enrolled 37 ADPKD patients (20 males with 51.0 ± 14.3 years) and 34 control group (18 males with 60.7 ± 14.4 years). We showed a significant reduction in Max Flow Rate (Qmax) (p ≤ 0.001), age (p = 0.006), FMD (p = 0.023) and Voiding Volume (p = 0.053), in addition to a significant increase in Voiding Time and Diastolic Blood Pressure (p ≤ 0.001, p = 0.049; respectively) in ADPKD patients with respect to control group. Moreover, we found a negative correlation between Qmax and creatinine (r= -0.44, p = 0.007), RRI (r= -0.49, p ≤0.001) and intact Parathyroid Hormone (r = -0.329, p = 0.046), while we found a positive correlation between Qmax and MDRD (r = 0.327, p = 0.048) and between Voiding Time and serum uric acid (r= 0.34, p = 0.039) in ADPKD patients with respect to control group. CONCLUSIONS: In our study, we showed an elevated prevalence of urological functional diseases in ADPKD patients; therefore, we suggest to include uroflowmetry in the assessment of these patients, considering the non-invasiveness, repeatability and low cost of the exam. An early intervention could slow down the progression of renal damage and an early screening of the main cardiovascular risk factors could reduce the high morbidity and mortality in ADPKD patients.
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