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Macroscopic aspects of chronic Chagas heart disease in aging.

Authors: Flávia Aparecida, de Oliveira; Vicente de Paula Antunes, Teixeira; Ruy de Souza, Lino; Marina Clare, Vinaud; Marlene Antônia, dos Reis;

Macroscopic aspects of chronic Chagas heart disease in aging.

Abstract

To describe the macroscopic characteristics of chronic Chagas heart disease in autopsied elderly.The elderly studied were 60 or older. Twenty of them had chronic Chagas heart disease (CHD) and positive serology for the disease, and 14 had no heart disease (WHD) nor morphological changes suggestive of it and were serologically negative for Chagas disease.The CHD elderly had cardiac weight greater than the WHD (385 +/- 141.1 vs 306.8 +/- 62.1g, respectively; p > 0.05), in addition to significantly higher heart weight-to-body weight ratio (0.71% [0.5-1.42%] vs 0.59% [0.47-0.91%] p < 0.05). When compared, the CHD elderly presented lower fibrous thickening and/or atherosclerosis in the ascending aorta, mitral and tricuspid valves, and left and right coronaries than the WHD elderly. In the aortic and mitral valves, the lesions were significantly less severe (p < 0.05). Left ventricular apical lesion was observed in 45% of the CHD elderly, and intracardiac thrombosis in the left ventricle was found in 10% of them.Fibrous thickening and/or atherosclerosis were found to be less severe in the valves and arteries of the CHD elderly. Moreover, heart weight and intracardiac thrombosis frequency were lower than those detailed in the literature for non-elderly individuals.

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Keywords

Aged, 80 and over, Chagas Cardiomyopathy, Male, Aging, Myocardium, Chronic Disease, Humans, Female, Middle Aged, Aged

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citations
The total number of citations received by all articles of the researcher of interest.
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
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