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Published on: February 4, 2021
[Body mass index influence on aortic valve stenosis]
Jolanta Swierszcz1, Jacek S Dubiel, Józef Krzysiek
1II Klinika Kardiologii Collegium Medicum, Uniwersytetu Jagiellońskiego. grasshoppers@interia.eu
Przeglad Lekarski
|July 15, 2011
Summary
Higher body mass index (BMI) in aortic valve stenosis (AVS) patients correlates with increased inflammation and cardiac remodeling. This 12-month study observed AVS patients, finding elevated C-reactive protein and cardiac changes in those with higher BMIs.
Area of Science:
- Cardiology
- Biochemistry
- Inflammation Research
Background:
- Aortic valve stenosis (AVS) is a progressive condition affecting heart function.
- The influence of body mass index (BMI) on the natural progression of AVS requires further investigation.
- Obesity is linked to systemic inflammation, a potential factor in cardiovascular disease.
Purpose of the Study:
- To observe the influence of body mass index (BMI) on the natural course of aortic valve stenosis (AVS) over 12 months.
- To assess the relationship between different BMI categories and inflammatory markers, lipid profiles, and cardiac structural changes in AVS patients.
Main Methods:
- Sixty AVS patients unwilling to undergo surgery were categorized into three BMI groups: 20-25 (Group A), 25.01-30 (Group B), and >30 (Group C).
- Biomarkers including lipids, C-reactive protein (CRP), IL-6, TNF-alpha, and immunoglobulin titers were measured at baseline and 12 months.
- Echocardiographic evaluations assessed aortic valve function and cardiac dimensions throughout the 12-month observation period.
Main Results:
- Group C (BMI > 30) exhibited the highest mean serum CRP levels at 12 months.
- Lipid ratios (HDL/total cholesterol and HDL/LDL-cholesterol) were lowest in Group B (BMI 25.01-30) after 12 months.
- Cardiac remodeling indicators, including left atrium diameter, right ventricle diameter, interventricular septum thickness, and left ventricle posterior wall thickness, were significantly increased in Groups B and C compared to Group A.
Conclusions:
- Increased fat mass in AVS patients is associated with heightened inflammatory processes.
- Elevated BMI contributes to cardiac muscle remodeling in individuals with aortic valve stenosis.
- These findings suggest that weight management may be crucial in mitigating disease progression in AVS.
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