Hemodynamic effects of sildenafil citrate (Viagra) on segmental branches of bilateral renal arteries.

Abstract:

INTRODUCTION:Erectile dysfunction (ED) is one of the most encountered male health problem and sildenafil citrate is used worldwide for treatment of ED. Aim of the present study was to determine and evaluate hemodynamic effects of sildenafil citrate on segmental branches of bilateral renal arteries of cases with ED. PATIENTS AND METHODS:Total of 35 male patients aging between 34 and 56 years were recruited into study. Patients were evaluated with renal color Doppler sonography (CDS) before and after (45-75 min) peroral sildenafil citrate (50 mg) administration. Peak systolic flow rate (V(max)), end diastolic flow rate (V(min)), resistive index (RI) and pulsatility index (PI) of renal artery segmental branches were determined before and after sildenafil citrate administration. RESULTS:V(min) measured at right lower segment was significantly reduced after sildenafil administration (p = 0.030). Accordingly mean RI and PI of right lower segment of renal artery slightly increased after drug administration (p = 0.007 and p = 0.012, respectively). The measurements on other segments had no significant change after sildenafil treatment when compared to baseline values. On this single dose administration no side effect was recorded. CONCLUSION:Findings of the present study demonstrated that peroral sildenafil citrate usage had slight effects on hemodynamic parameters of lower segmental branch of right renal artery. This result could not be interpreted as robust evidence for hemodynamic changes of renal arteries associated with sildenafil usage nevertheless warrants more comprehensive research with larger number of patients.

journal_name

Int Urol Nephrol

authors

Ardicoglu A,Kocakoc E,Yuzgec V,Bozgeyik Z,Canatan H,Kiris A

doi

10.1007/s11255-005-3621-7

keywords:

subject

Has Abstract

pub_date

2005-01-01 00:00:00

pages

785-9

issue

4

eissn

0301-1623

issn

1573-2584

journal_volume

37

pub_type

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