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Clinical, Analytical, and Echocardiographic Associations of Impaired Cardiorespiratory Fitness After Anthracycline Chemotherapy in Breast Cancer: EPIC Fitness Study.
Echocardiography
January 2025
Cardiology Department, Unidade Local de Saúde do Alto Ave, Guimarães, Portugal.
Purpose: This study explores the effects of anthracycline chemotherapy (AC) on breast cancer patients, focusing on changes in body composition, advanced echocardiographic parameters at rest and during exercise, and biomarkers; and subsequently assesses whether these parameters are associated with impaired cardiorespiratory fitness (CRF).
Methods: In this prospective study, we evaluated women with early-stage breast cancer undergoing AC at three visits: before AC, 1 month after, and 6 months post-AC.
Results: The study included 32 women with breast cancer, with functional disability increasing from 9.
Cardiotoxicity of Chemotherapy: A Multi-OMIC Perspective.
J Xenobiot
January 2025
VIB-KU Leuven Center for Cancer Biology, VIB, 3000 Leuven, Belgium.
Chemotherapy-induced cardiotoxicity is a critical issue in cardio-oncology, as cancer treatments often lead to severe cardiovascular complications. Approximately 10% of cancer patients succumb to cardiovascular problems, with lung cancer patients frequently experiencing arrhythmias, cardiac failure, tamponade, and cardiac metastasis. The cardiotoxic effects of anti-cancer treatments manifest at both cellular and tissue levels, causing deformation of cardiomyocytes, leading to contractility issues and fibrosis.
View Article and Find Full Text PDFRegulation of myocardial contraction as revealed by intracellular Ca measurements using aequorin.
J Physiol Sci
January 2025
Department of Cell Physiology, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-Ku, 105-8461, Tokyo, Japan.
Of the ions involved in myocardial function, Ca is the most important. Ca is crucial to the process that allows myocardium to repeatedly contract and relax in a well-organized fashion; it is the process called excitation-contraction coupling. In order, therefore, for accurate comprehension of the physiology of the heart, it is fundamentally important to understand the detailed mechanism by which the intracellular Ca concentration is regulated to elicit excitation-contraction coupling.
View Article and Find Full Text PDFStrength training improves heart function, collagen and strength in rats with heart failure.
J Physiol Sci
January 2025
Experimental Physiology and Biochemistry Laboratory. Physical Education and Sport Center, Federal University of Espirito Santo, Vitoria, Brazil. Electronic address:
Background/objectives: Myocardial infarction (MI) frequently leads to cardiac remodeling and failure with impaired life quality, playing an important role in cardiovascular deaths. Although physical exercise is a well-recognized effective non-pharmacological therapy for cardiovascular diseases, the effects of strength training (ST) on the structural and functional aspects of cardiac remodeling need to be further documented. In this study, we aimed to investigate the role of a linear block ST protocol in the rat model of MI.
View Article and Find Full Text PDFThe Relationship between Left Ventricular Diastolic Function Parameters and Coronary Artery Disease Severity.
Iran J Med Sci
December 2024
Cardiovascular Research Center, Kerman University of Medical Sciences, Kerman, Iran.
Background: The relationship between diastolic function parameters and the severity of coronary artery disease (CAD) is controversial. This study aimed to determine the relationship between left ventricular diastolic function and the severity of CAD.
Methods: This cross-sectional study included 63 patients with Ischemic heart disease (IHD) or those suspected of having IHD, who underwent angiography.
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