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Related Experiment Video

Updated: Dec 9, 2025

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research
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Evaluation of Arterial Erectile Dysfunction Using Shear Wave Elastography: A Feasibility Study.

Wang Zhou1, Yuyang Zhang2,3, Liang Li1

  • 1Department of Ultrasound, the First Affiliated Hospital of Anhui Medical University, Shushan District, Hefei, Anhui, China.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
|September 14, 2020
PubMed
Summary

Shear wave elastography (SWE) shows promise for evaluating arterial erectile dysfunction (ED). This noninvasive technique can differentiate arterial ED from non-vascular ED and correlates with patient age.

Keywords:
arterial erectile dysfunctionintracavernous injectionshear wave elastography

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Area of Science:

  • Urology
  • Medical Imaging
  • Andrology

Background:

  • Arterial erectile dysfunction (ED) is a common condition affecting male sexual health.
  • Accurate and noninvasive diagnostic methods for arterial ED are crucial for effective management.
  • Shear wave elastography (SWE) is an emerging ultrasound-based technique for tissue stiffness assessment.

Purpose of the Study:

  • To investigate the feasibility and diagnostic performance of shear wave elastography (SWE) in evaluating arterial erectile dysfunction (ED).
  • To compare SWE values in patients with arterial ED versus non-vascular ED.
  • To explore the correlation between SWE values and patient age in arterial ED.

Main Methods:

  • Prospective study including 26 patients with arterial ED and 30 with non-vascular ED.
  • Measurement of SWE values of the corpus cavernosum penis (CCP) and cavernous artery flow velocity.
  • Measurements were taken in both flaccid and erectile states, before and after intracavernous injection (ICI).

Main Results:

  • Intracavernous injection (ICI) significantly reduced SWE values in both groups (P < .001).
  • Post-ICI SWE values of CCP were significantly higher in arterial ED patients compared to non-vascular ED patients (P < .001).
  • SWE values of CCP before ICI showed a negative correlation with patient age in the arterial ED group (r = -0.601, P < .001).
  • With a cutoff of 7.75 KPa, post-ICI SWE demonstrated high sensitivity (96.2%) and specificity (63.3%) for distinguishing arterial ED.

Conclusions:

  • Shear wave elastography (SWE) is a feasible, noninvasive, and repeatable technique for the quantitative evaluation of arterial ED.
  • SWE shows potential as a valuable tool for differentiating arterial ED from non-vascular causes.
  • The technique's simplicity and objectivity support its clinical application in ED assessment.