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Year : 2019  |  Volume : 26  |  Issue : 1  |  Page : 9-14

Cavernosal artery peak systolic velocity among normal adults in Abuja, Nigeria: A Baseline parameter for sonographic diagnosis of vasculogenic erectile dysfunction

1 Department of Radiology, Federal Medical Centre, University of Abuja, Abuja, Nigeria
2 Division of Urology, Department of Surgery, University of Abuja Teaching Hospital, University of Abuja, Abuja, Nigeria

Correspondence Address:
Dr. Joshua Oluwafemi Aiyekomogbon
Department of Radiology, Federal Medical Centre, University of Abuja, Abuja
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DOI: 10.4103/wajr.wajr_50_17

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Background: Erectile dysfunction is consistent inability to achieve and maintain erection of sufficient rigidity for satisfactory sexual performance. It is well known that the hemodynamic function of the penis correlates well with the peak systolic velocity (PSV) of the cavernosal artery (CA) which is the most reliable, sensitive, and objective parameter used in evaluating the state of the erectile tissues of the penis. This study was aimed at establishing the normal CA PSV in this environment, as it may differ from the values among Americans, Caucasians, and Asians. Materials and Methods: The study was conducted between July 2015 and January 2017, at the Department of Radiology, Federal Medical Centre, Abuja. Twenty-nine consecutive patients referred by the urologist to the radiology department of the aforementioned institution for penile ultrasound were evaluated using triplex Doppler sonography with high-frequency linear array transducer. The penile scan was done before and after intracavernosal injection of 10–20 μg prostaglandin E1. The waveforms of CAs were obtained alternately using the angle of inclination ≤60°, and the PSV of the CA was documented at 5-min interval, from 5 to 40 min. Results: PSV of CA varied between 26 and 104.4 cm/s (mean: 46.72 ± 16.21) among the entire research participants. No significant discrepancy was noted between PSV of the right and left cavernosal arteries. The PSV had a strong positive relationship with age (P = 0.002), with the highest values found among those ≤30 years. Conclusion: The mean PSV of cavernosal arteries established in this study is not significantly different from the values obtained among Americans, Caucasians, and Asians, indicating that racial difference has no effect on this important sonographic variable.

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