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Biomarkers of RV Dysfunction in HFrEF Identified by Direct Tissue Proteomics: Extracellular Proteins Fibromodulin and Fibulin-5.
Circ Heart Fail
January 2025
First Faculty of Medicine, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University (BIOCEV), Charles University, Prague, Czech Republic. (M.B., D.L., O.V., J.P.).
Background: Right ventricular dysfunction (RVD) is common in patients with heart failure with reduced ejection fraction, and it is associated with poor prognosis. However, no biomarker reflecting RVD is available for routine clinical use.
Methods: Proteomic analysis of myocardium from the left ventricle and right ventricle (RV) of patients with heart failure with reduced ejection fraction with (n=10) and without RVD (n=10) who underwent heart transplantation was performed.
Left Atrial Mechanics and Atrioventricular Coupling in Hypertension With Supra-Normal Left Ventricular Ejection Fraction.
Echocardiography
January 2025
Department of Ultrasound, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
Objectives: Supra-normal left ventricular ejection fraction (snLVEF) represents a heterogeneous group with distinct prognoses. Left atrial (LA) strain, measured by speckle tracking echocardiography (STE), is a validated prognostic indicator. This study aimed to evaluate LA and left ventricular (LV) mechanical strains in hypertensive patients with snLVEF.
View Article and Find Full Text PDFCardiopulmonary exercise testing as a prognosis-assessing tool in heart failure with preserved ejection fraction.
ESC Heart Fail
January 2025
Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Berlin, Germany.
Aims: Patients with heart failure with preserved ejection fraction represent half of the heart failure patients nowadays, an at least steady trend due to the aging of the population. We investigated whether the parameters obtained from cardiopulmonary exercise testing (CPET) correlated with the prognosis of these patients. This prospective observational cohort study assesses the relationship between the CPET parameters peakVO and VE/VCO slope and the number of heart failure hospitalizations or cardiovascular death of these patients.
View Article and Find Full Text PDFPatient-centred newer testing methods for major cardiac disorders.
Indian J Thorac Cardiovasc Surg
February 2025
CTVS Department, AIIMS Rishikesh, Rishikesh, 249203 India.
Unlabelled: Testing methods of detecting various cardiac biomarkers play a significant influence in determining and treating cardiac-related conditions and ultimate prognosis. With the increasing global prevalence of cardiac disease, the importance of rapid testing methods in diagnosis and management has grown tremendously. The point-of-care testing (POCT) method is a potential biochemical diagnostic technique that may overcome the issue of delayed laboratory results, particularly in regions with limited access to advanced laboratory equipment or resource-constrained.
View Article and Find Full Text PDFUnusual Cause of Ventricular Arrhythmia.
JACC Case Rep
January 2025
Department of Cardiovascular Magnetic Resonance, Hôpital Privé Jacques Cartier, Institut Cardiovasculaire Paris Sud, Massy, France.
Although relatively rare, cardiac metastases represent a significant clinical challenge because of their impact on cardiac function and overall patient prognosis. This case presents a rare and atypical presentation of a patient with ventricular arrhythmia revealing a metastatic cancer in the heart. A 59-year-old man with lung cancer was admitted for chest tightness and episodes of syncope.
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