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2-[F]Fluoropropionic Acid PET Imaging of Doxorubicin-Induced Cardiotoxicity.
Mol Imaging Biol
January 2025
Department of Radiology, Weill Cornell Medicine, 413 E 69th Street, Room BB-1604, New York, NY, 10021, USA.
Purpose: Treatment of pediatric cancers with doxorubicin is a common and predictable cause of cardiomyopathy. Early diagnosis of treatment-induced cardiotoxicity and intervention are major determinants for the prevention of advanced disease. The onset of cardiomyopathies is often accompanied by profound changes in lipid metabolism, including an enhanced uptake of short-chain fatty acids (SCFA).
View Article and Find Full Text PDFShenmai Injection Reduces Cardiomyocyte Apoptosis Induced by Doxorubicin through miR-30a/Bcl-2.
Chin J Integr Med
January 2025
Department of Cardiovascular Medicine, National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
Objective: To explore the molecular mechanism of Shenmai Injection (SMI) against doxorubicin (DOX) induced cardiomyocyte apoptosis.
Methods: A total of 40 specific pathogen-free (SPF) male Sprague Dawley (SD) male rats were divided into 5 groups based on the random number table, including the control group, the model group, miR-30a agomir group, SMI low-dose (SMI-L) group, and SMI high-dose (SMI-H) group, with 8 rats in each group. Except for the control group, the rats were injected weekly with DOX (2 mg/kg) in the tail vein for 4 weeks to induce myocardial injury, and were given different regimens of continuous intervention for 2 weeks.
Propensity score matched cohort study on magnesium supplementation and mortality in critically ill patients with HFpEF.
Sci Rep
January 2025
Intensive Care Medicine, Heyou Hospital, Foshan, 528306, Guangdong, China.
Heart failure with preserved ejection fraction (HFpEF) emerges as a singular subclass of heart failure, bereft of specific therapeutic options. Magnesium, an indispensable trace element, is essential to the preservation of cardiac integrity. However, the association between magnesium supplementation and mortality in HFpEF patients remains unclear.
View Article and Find Full Text PDFHeart remodelling affects ECG in rat DOCA/salt model.
Physiol Res
December 2024
Department of Physiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
Myocardial remodelling involves structural and functional changes in the heart, potentially leading to heart failure. The deoxycorticosterone acetate (DOCA)/salt model is a widely used experimental approach to study hypertension-induced cardiac remodelling. It allows to investigate the mechanisms underlying myocardial fibrosis and hypertrophy, which are key contributors to impaired cardiac function.
View Article and Find Full Text PDFUnmasking High-Output Heart Failure: Beyond Conventional Paradigms.
Cardiol Rev
January 2025
From the Department of Internal Medicine, Division of Cardiology, Wayne State University, Detroit, MI.
Heart failure (HF) poses a significant medical challenge, affecting millions of adults in the United States. High-output heart failure (HOHF) is a distinct subtype characterized by elevated cardiac output exceeding 8 L/min or a cardiac index >4 L/min/m². Patients with HOHF often present similarly to those with heart failure with reduced ejection fraction and heart failure with preserved ejection fraction.
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