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Association of Mild Valvular Lesions With Long-term Cardiovascular Outcomes Among Black Adults

Kunihiro Matsushita1, Yumin Gao1, Jonathan Rubin2

  • 1Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.

JAMA Network Open
|May 13, 2022
PubMed

Insights

Mild valvular lesions, including aortic sclerosis and mild regurgitation, are linked to increased long-term cardiovascular risks. Recognizing and monitoring these conditions is crucial for patient outcomes.

Area of Science:

  • Cardiovascular Medicine
  • Echocardiography
  • Epidemiology

Background:

  • Long-term outcomes of mild valvular lesions are not well understood.
  • Valvular lesions can impact cardiovascular health.
  • Early identification may improve patient management.

Purpose of the Study:

  • To investigate the association between mild valvular lesions and cardiovascular mortality.
  • To examine the link between aortic stenosis, aortic regurgitation, and mitral regurgitation with major cardiovascular events.
  • To assess the risk of coronary heart disease, stroke, heart failure, and atrial fibrillation in individuals with valvular lesions.

Main Methods:

  • Cohort study utilizing data from the Atherosclerosis Risk in Communities (ARIC) study.
  • Focused on Black participants from the Jackson, Mississippi site.
  • Echocardiography data from 1993-1995 analyzed using multivariable Cox proportional hazards regression models.

Main Results:

  • A total of 2106 Black participants were included.
  • Prevalence: aortic sclerosis (7.7%), aortic regurgitation (15.1%), mitral regurgitation (43.0%).
  • Mild valvular lesions were significantly associated with cardiovascular mortality, atrial fibrillation, and heart failure, with increasing risk correlating to the number of lesions.

Conclusions:

  • Mild valvular lesions are associated with a long-term increased risk of cardiovascular events.
  • The findings highlight the importance of recognizing and monitoring valvular conditions.
  • Even mild valvular disease warrants attention for cardiovascular risk assessment.
Abstract

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