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Assessment of Glutamine as a Fuel Source for Alveolar Macrophages Exposed to Chronic Ethanol Using an Extracellular Flux Bioanalyzer
Published on: November 15, 2024
835
Cardiac pathology in chronic alcoholics: a preliminary study
P Vaideeswar1, C Chaudhari, S Rane
1Department of Pathology (Cardiovascular and Thoracic Division), Seth Gordhandas Sunderdas Medical College, Mumbai, Maharashtra, India.
Journal of Postgraduate Medicine
|November 6, 2014
Summary
Chronic alcohol use leads to subclinical heart changes, including increased iron deposition in the myocardium. This iron accumulation may precede the development of cardiac dysfunction in alcoholics.
Area of Science:
- Cardiovascular Pathology
- Toxicology
- Histopathology
Background:
- Ethyl alcohol impacts cardiovascular health, with alcoholic cardiomyopathy being well-documented.
- Increased myocardial iron deposition is an underappreciated effect of chronic alcohol consumption, contributing to cardiac dysfunction.
- This study investigates cardiac pathology and iron levels in chronic alcoholics.
Purpose of the Study:
- To document pathological features and iron levels in the cardiac tissue of chronic alcoholics.
- To correlate cardiac pathology and iron content with liver pathology and iron levels.
- To explore the link between alcohol, myocardial iron, and cardiac dysfunction.
Main Methods:
- Autopsy-based prospective study of 40 chronic alcoholics and 10 age-matched controls.
- Histopathological analysis of cardiac myocytes, fibrosis, inflammation, capillary network, and adipose tissue.
- Calorimetric measurement of iron content in heart and liver tissues.
Main Results:
- Chronic alcoholics exhibited increased epicardial adipose tissue and fibrosis (epicardial, endocardial, interstitial, interfiber).
- Myofiber degeneration and increased capillary networks were observed, particularly in patients with cirrhosis.
- Elemental iron levels were significantly higher in the heart tissue of alcoholics compared to controls.
Conclusions:
- Alcohol induces subclinical myocardial changes, including elevated iron content.
- Increased myocardial iron may precede the development of clinical cardiac dysfunction in chronic alcohol users.
- Findings highlight the potential role of iron in alcohol-induced heart disease.
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