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Published on: February 4, 2021
Aortic valve sclerosis: is it a cardiovascular risk factor or a cardiac disease marker?
Pasquale Palmiero1, Maria Maiello, Andrea Passantino
1A.S.L.BR 1, District Cardiology Department, Brindisi, Italy. pasqualepalmiero@yahoo.it
Insights
Aortic sclerosis is linked to increased heart issues like hypertrophy and heart failure, not traditional risk factors. This finding suggests aortic sclerosis may signal higher cardiac risk in patients.
Area of Science:
- Cardiology
- Cardiovascular Medicine
- Valvular Heart Disease
Background:
- Aortic valve sclerosis (AVS) is linked to increased cardiovascular mortality, but its role as a risk factor or marker is debated.
- Understanding AVS's association with cardiovascular disease (CVD) and risk factors is crucial for patient stratification.
Purpose of the Study:
- To compare the prevalence of CVD and risk factors in patients with and without aortic sclerosis.
- To determine if AVS is an independent marker of cardiac disease.
Main Methods:
- Observational study comparing 142 patients with AVS (group S) and 101 controls (group C).
- Exclusion criteria included bicuspid aortic valves and aortic valve velocities > 2.0 m/sec.
Main Results:
- No significant age difference between groups (mean 71 years in S vs. 68.8 in C).
- Similar prevalence of traditional risk factors (smoking, diabetes, hypertension, etc.) between groups.
- Significantly higher prevalence of left ventricular hypertrophy, ventricular arrhythmias, myocardial infarction, and systolic heart failure in the AVS group.
Conclusions:
- AVS is associated with adverse cardiac conditions, including hypertrophy, arrhythmias, myocardial infarction, and heart failure.
- AVS is not associated with a higher prevalence of traditional cardiovascular risk factors.
- AVS may serve as an early marker for identifying high-risk cardiac patients beyond conventional risk factors.
Background:
Aortic valve sclerosis, without stenosis, has been associated with an increased cardiovascular mortality and morbidity due to myocardial infarction. However, it is unclear whether it is a cardiovascular risk factor or a cardiac disease marker. The goal of our study is to evaluate the difference in the prevalence of cardiovascular disease and risk factors among patients with or without aortic sclerosis.
Methods:
This observational study compared a group of 142 consecutive subjects with aortic valve sclerosis, assigned as group S, with a group of 101 subjects without aortic sclerosis, assigned as group C. Patients with bicuspid aortic valves and those with antegrade Doppler velocity across aortic valve leaflets exceeding 2.0 m/sec were excluded.
Results:
Mean ages of groups S and C were 71 +/- 8, and 68.8 +/- 6 years, respectively (P value = not significant). The prevalence of smoking, diabetes, hypercholesterolemia, hypertension, pulse pressure, left ventricular diastolic dysfunction, atrial fibrillation, and stroke was not significantly different between the two groups. However, there was a significantly higher prevalence of left ventricular hypertrophy (P = 0.05), ventricular arrhythmias (P = 0.02), myocardial infarction (P = 0.04), and systolic heart failure (P = 0.04) in aortic sclerosis group.
Conclusions:
Aortic sclerosis is associated with a higher prevalence of left ventricular hypertrophy, ventricular arrhythmias, myocardial infarction, and systolic heart failure, while the prevalence of cardiovascular risk factors is not different between aortic sclerosis patients and controls. Hence, aortic sclerosis represents a cardiac disease marker useful for early identification of high-risk patients beyond cardiovascular risk factors rate.
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