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Pharmaco-écho-doppler pénien: méthodologie, critères diagnostiques et indications actuelles dans l’exploration d’une dysfonction érectile

Penile doppler ultrasound: diagnostic criteria and current indications in the management of erectile dysfunction

Résumé

La dysfonction érectile (DE) est une pathologie multifactorielle fréquente, dont l’origine organique ou mixte est considérée actuellement comme dominante chez l’homme après 50 ans. La plupart des DE vasculotissulaires sont liées à une dysfonction endothéliale, en relation avec les principaux facteurs de risque cardiovasculaires (FRCV). La DE représente un indicateur de la santé vasculaire en général. Elle est aussi prédictive d’événements cardiovasculaires (ECV), notamment de coronaropathies. Elle a également été associée aux artériopathies des membres inférieurs et aux accidents vasculaires cérébraux. Le pharmaco-écho-doppler pénien (PEDP) est un examen assez peu utilisé aujourd’hui dans la prise en charge d’une DE, la recherche étiologique n’étant encore le plus souvent pas considérée comme nécessaire à la prise en charge thérapeutique, mais également en raison de l’absence de standardisation. Cependant, de nombreuses publications ont mis récemment en évidence que l’origine vasculotissulaire d’une DE, établie sur des critères vélocimétriques enregistrés après injection intracaverneuse (IIC) de substances vasoactives, renforçait la valeur prédictive de la DE concernant les événements et la mortalité cardiovasculaires (CV), justifiant un intérêt accru pour réaliser cet examen.

Abstract

Erectile dysfunction (ED) is a common multifactorial disease, whose organic or mixed origin is currently considered as dominant in men aged 50 years and older. Most ED classified as arterial are linked to endothelial dysfunction in relation to the key factors of cardiovascular risk. ED is an indicator of vascular health in general. It is also a predictor of cardiovascular events, including coronary heart disease. It has also been associated with lower peripheral arterial disease and stroke. The penile doppler ultrasound examination is actually used relatively infrequently in the management of ED, the etiologic factors being considered most often not necessary for the therapeutic management, but also because of the absence of standardization. Nonetheless, large recent studies have shown that the vascular nature of ED, basis on doppler parameters recorded after intracavernous injection of vasoactive drugs, strengthened the predictive value of ED on events and cardiovascular mortality, justifying a highest interest in this test.

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Correspondence to C. Bonnin or P. Bouilly.

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Mots clés

  • Pharmacoécho-doppler
  • Dysfonction érectile
  • Pénis

Keywords

  • Penile doppler ultrasound
  • Erectile dysfunction
  • Penis