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Published on: February 4, 2021
Association of Aortic Valve Sclerosis with Previous Coronary Artery Disease and Risk Factors
Filipe Carvalho Marmelo1, Sónia Matilde Fonseca Mateus1, Alexandre José Marques Pereira1
1Escola Superior de Saúde Dr. Lopes Dias, Portugal.
Insights
Aortic valve sclerosis (AVS) is linked to a higher prevalence of coronary artery disease and common risk factors like hypertension and diabetes. This study confirms an association between AVS and cardiovascular issues.
Area of Science:
- Cardiology
- Echocardiography
- Valvular Heart Disease
Background:
- Aortic valve sclerosis (AVS) involves thickening, calcification, and stiffening of aortic leaflets without commissure fusion.
- Existing research suggests a correlation between AVS and coronary artery disease (CAD).
Purpose of the Study:
- To examine the association between aortic valve sclerosis (AVS) and prior coronary artery disease.
- To investigate the relationship between AVS and classical cardiovascular risk factors.
Main Methods:
- Analysis of transthoracic echocardiography data from 2,493 individuals (mean age 67.5 years, 50.7% female).
- Data collected between August 2011 and December 2012.
Main Results:
- Aortic valve sclerosis (AVS) was identified in 36.7% of individuals.
- Significant associations were found between AVS and hypertension (p < 0.001), myocardial infarction (p = 0.007), diabetes (p = 0.006), and impaired left ventricular systolic function (p < 0.001).
Conclusions:
- Individuals with AVS exhibit increased rates of hypertension, stroke, hypercholesterolemia, myocardial infarction, diabetes, and reduced left ventricular systolic function compared to those without AVS.
- The study confirms an association between aortic valve sclerosis and previous coronary artery disease and its risk factors.
Abstract:
Background: Aortic valve sclerosis (AVS) is characterized by increased thickness, calcification and stiffness of the aortic leaflets without fusion of the commissures. Several studies show an association between AVS and presence of coronary artery disease. Objective: The aim of this study is to investigate the association between presence of AVS with occurrence of previous coronary artery disease and classical risk factors. Methods: The sample was composed of 2,493 individuals who underwent transthoracic echocardiography between August 2011 and December 2012. The mean age of the cohort was 67.5 ± 15.9 years, and 50.7% were female. Results: The most frequent clinical indication for Doppler echocardiography was the presence of stroke (28.8%), and the most common risk factor was hypertension (60.8%). The most prevalent pathological findings on Doppler echocardiography were mitral valve sclerosis (37.1%) and AVS (36.7%). There was a statistically significant association between AVS with hypertension (p < 0.001), myocardial infarction (p = 0.007), diabetes (p = 0.006) and compromised left ventricular systolic function (p < 0.001). Conclusion: Patients with AVS have higher prevalences of hypertension, stroke, hypercholesterolemia, myocardial infarction, diabetes and compromised left ventricular systolic function when compared with patients without AVS. We conclude that there is an association between presence of AVS with previous coronary artery disease and classical risk factors.
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