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Echo-Doppler avec imagerie couleur des artères caverneuses
Color Doppler sonography of the cavernosal arteries
Andrologie volume 6, pages 398–405 (1996)
Resume
L'étude en Doppler pulsé permet un enregistrement sélectif des artères caverneuses. Introduit en 1985, son intérêt a été renforcé par l'utilisation de l'imagerie couleur en 1989 qui permet de localiser bien plus facilement l'artère caverneuse et par conséquent une mesure plus précise des vitesses circulatoires. Néanmoins, plusieurs controverses persistent sur le seuil du pic systolique admis (25 cm/s) pour différencier les patients atteints d'insuffisance artérielle des patients normaux. D'autres paramètres Doppler, comme le temps d'ascension systolique ou le calcul de l'accélération, doivent être utilisés. D'autre part, il est également apparu que les vitesses diastoliques élevées en fin d'examen ne signifiaient pas toujours incompétence veinocaverneuse. Nous présentons dans cette revue la technique, les résultas normaux et anormaux du Doppler pénien avec imagerie couleur, ses limites et redéfinissons sa place en tenant compte de l'efficacité croissante du traitement par les injections intracaverneuses
Abstract
Penile vascular imaging has been based for years on pharmacoangiography and pharmacocavernosometry. Doppler sonography of the cavernosal arteries has received considerable attention since its description in 1985. Color Doppler imaging further stimulated interest in this non invasive method, as it permitted more accurate measurement of systolic and diastolic velocities. Despite the popularity and appeal of penile sonography, the validity of accepted velocity thresholds has not been thoroughly appraised, particularly in patients with moderate alterations of systolic velocities. Other Doppler parameters, like systolic rise time and measurement of acceleration must be used in patients with subnormal systolic velocities. Moreover, it emerged that an elevated EDV was not always related to venous incompetence (venogenic impotence). In this article, based on a review of the literature and personal experience, we present the technique and results of normal and abnormal color Doppler sonography (CDS) of the cavernosal arteries and outline the limits of the technique. Its role as a screeening test is reappraised, taking into account the therapeutic efficacy of intracavernosal injections.
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Cornud, F., Amar, T., Hamida, K. et al. Echo-Doppler avec imagerie couleur des artères caverneuses. Androl. 6 (Suppl 4), 398–405 (1996). https://doi.org/10.1007/BF03034460
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DOI: https://doi.org/10.1007/BF03034460