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Evaluation of penile cavernosal artery intima-media thickness in patients with erectile dysfunction. A new parameter in the diagnosis of vascular erectile dysfunction. Our experience on 59 cases

Domenico Prezioso, Fabrizio Iacono, Umberto Russo, Giuseppe Romeo, Antonio Ruffo, Nicola Russo, Ester Illiano
  • Domenico Prezioso
    Department of Urology, University Federico II of Naples, Italy
  • Fabrizio Iacono
    Department of Urology, University Federico II of Naples, Italy
  • Umberto Russo
    Department of Urology, University Federico II of Naples, Italy
  • Giuseppe Romeo
    Department of Urology, University Federico II of Naples, Italy
  • Antonio Ruffo
    Department of Urology, University Federico II of Naples, Italy
  • Nicola Russo
    Department of Urology, University Federico II of Naples, Italy

Abstract

Objective: A precise characterization of erectile dysfunction (ED) of vascular origin has not yet been achieved, although cavernous peak systolic velocity (PSV) is generally considered a major parameter. Nevertheless the penile dynamic color Doppler is invasive and linked to several complications. The intima-media thicknesses (IMT) of cavernosal artery would add to the predictive value of vasculogenic ED risk and outcomes. We also hypothesized the existence of a correlation between IMT cavernosal artery and IMT carotid arteries. This study seeks to evaluate these hypotheses with our experience, investigating the predictive accuracy of carotid and cavernosal Doppler ultrasound findings for discriminating patients with vasculogenic ED. Material and methods: A total of 59 subjects (32 vasculogenic ED patients - group A - and 27 no vasculogenic ED patients - group B) were evaluated in our andrological center from September 2012 to June 2013 and enrolled in the study. All subjects underwent medical history, erectile function domain of the International Index of Erectile Function, physical examination, routine and sex hormone blood tests, and high resolution dynamic color Doppler ultrasound evaluation of carotid and penile districts and valutation of IMT in both districts. Results: The values of cavernosal artery IMT in group A were higher than in group B (0,28 ± 0,06 mm vs 0,17 ± 0,07 mm). Even the values of carotid artery IMT in vasculogenic ED group were higher than in no vasculogenic ED group (0,74 ± 0,14 mm vs 0,59 ± 0,11 mm). The cavernosal IMT showed a moderate (r = 0.61) positive linear correlation (p < 0.001) with the carotid artery IMT. Conclusions: An increased cavernous IMT might predict ED of vascular origin with more accuracy than PSV and could be a sensitive predictor also for systemic atherosclerosis at an earlier phase.

Keywords

Intima media thickness; Vascular erectile dysfunction; Endothelial dysfunction

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Submitted: 2014-03-28 10:23:21
Published: 2014-03-28 00:00:00
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Copyright (c) 2014 Domenico Prezioso, Fabrizio Iacono, Umberto Russo, Giuseppe Romeo, Antonio Ruffo, Nicola Russo, Ester Illiano

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