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Echocardiographic Markers of Early Left Ventricula ...
Article: Echocardiographic Markers of Early Left V ...
Article: Echocardiographic Markers of Early Left Ventricular Dysfunction in Asymptomatic Aortic Regurgitation: Is It Time to Change the Guidelines?
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This study explores the prognostic implications of atrial fibrillation (AF) in patients hospitalized for heart failure (HF), considering the interactions of prior HF, prior AF, and AF as the presenting rhythm. Utilizing data from the international REPORT-HF registry, involving 13,401 patients across 44 countries, the study evaluates one-year all-cause mortality rates based on these factors.<br /><br />The prevalence of AF at admission varied by left ventricular ejection fraction and racial subgroups but was generally found in 39% of patients. In particular, the study found that patients with prior HF who also presented with AF had higher one-year mortality rates compared to those with neither or only one of these conditions. This pattern was consistent across subgroups defined by ejection fraction and racial background.<br /><br />The research significantly emphasizes the association of prior HF with increased mortality risk when patients also present with AF. However, new-onset HF patients presenting with AF, with or without prior AF, did not show the same elevated mortality risk, suggesting potential reversible effects like tachycardia-mediated cardiomyopathy.<br /><br />Through a combinatorial analysis, the study pinpoints that the predictive interplay of AF with HF history provides crucial insights into patient stratification and potential clinical outcomes, thus underscoring the importance of these factors in managing care for HF patients with comorbid AF globally. This nuanced understanding aims to guide future research and clinical efforts to reduce the risk of adverse outcomes in this patient population. The findings highlight the complex dynamics in HF and AF interactions, notably influenced by a patient's history, supporting a tailored approach to treatment based on combinatorial risk assessments.
Keywords
atrial fibrillation
heart failure
prognostic implications
mortality rates
REPORT-HF registry
ejection fraction
racial subgroups
tachycardia-mediated cardiomyopathy
patient stratification
combinatorial risk assessments
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