Prediction of cardiovascular events with aortic stiffness in patients with erectile dysfunction

Charalambos Vlachopoulos1, Nikolaos Ioakeimidis2, Konstantinos Aznaouridis2

  • 1From the Cardiovascular Diseases and Sexual Health Unit, 1st Department of Cardiology, Athens Medical School, Hippokration Hospital, Athens, Greece (C.V., N.I., K.A., D.T.-P., K.R., A.A., C.S.); and Department of Nutrition Science and Dietetics, Harokopio University, Athens, Greece (D.P.). cvlachop@otenet.gr.

Insights

Erectile dysfunction patients with higher aortic stiffness, measured by pulse wave velocity (PWV), face increased cardiovascular event risk. PWV improves cardiovascular risk prediction in these individuals.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Men's Health

Background:

  • Erectile dysfunction (ED) is an independent risk factor for cardiovascular events and mortality.
  • Aortic pulse wave velocity (PWV) is a recognized predictor of cardiovascular events and all-cause mortality.

Purpose of the Study:

  • To determine if PWV predicts major adverse cardiovascular events (MACEs) in patients with ED beyond traditional risk factors.
  • To assess the utility of aortic stiffness as a biomarker for cardiovascular risk in men with ED.

Main Methods:

  • Analysis of MACEs in relation to PWV using proportional hazards models in 344 patients without established cardiovascular disease.
  • Follow-up duration averaged 4.7 years.
  • Patients were stratified into tertiles based on PWV measurements.

Main Results:

  • A 4-fold higher risk of MACEs was observed in the highest PWV tertile (>8.8 m/s) compared to the lowest (<7.6 m/s) (adjusted hazard ratio, 3.97; P=0.035).
  • A PWV of 7.81 m/s demonstrated a 98.1% negative predictive value for MACEs.
  • Incorporating PWV into standard risk models improved patient reclassification by 27.6% (P=0.0332).

Conclusions:

  • Elevated aortic stiffness, indicated by higher PWV, is linked to an increased risk of MACEs in men with ED and no known cardiovascular disease.
  • Aortic PWV enhances cardiovascular risk prediction when added to conventional risk factors.
  • PWV may serve as a valuable biomarker for predicting cardiovascular disease risk in patients with erectile dysfunction.

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