期刊
JOURNAL OF CARDIAC FAILURE
卷 27, 期 4, 页码 387-413出版社
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
关键词
Heart failure; stages of heart failure; heart failure with reduced ejection fraction; heart failure with preserved ejection fraction; heart failure with mid-range ejection fraction; definition of heart failure; improved ejection fraction
This document proposes a universal definition of heart failure and revised stages of HF, as well as a new classification based on left ventricular ejection fraction (LVEF). The stages of HF are categorized into HF at-risk, pre-HF, HF, and advanced HF, while the classification includes HFrEF, HFmrEF, HFpEF, and HFimpEF based on LVEF levels.
In this document, we propose a universal definition of heart failure (HF) as the following: HF is a clinical syndrome with symptoms and or signs caused by a structural and/or functional cardiac abnormality and corroborated by elevated natriuretic peptide levels and or objective evidence of pulmonary or systemic congestion. We propose revised stages of HF as follows. At-risk for HF (Stage A), for patients at risk for HF but without current or prior symptoms or signs of HF and without structural or biomarkers evidence of heart disease. Pre-HF (stage B), for patients without current or prior symptoms or signs of HF, but evidence of structural heart disease or abnormal cardiac function, or elevated natriuretic peptide levels. HF (Stage C), for patients with current or prior symptoms and/or signs of HF caused by a structural and/or functional cardiac abnormality. Advanced HF (Stage D), for patients with severe symptoms and/or signs of HF at rest, recurrent hospitalizations despite guideline-directed management and therapy (GDMT), refractory or intolerant to GDMT, requiring advanced therapies such as consideration for transplant, mechanical circulatory support, or palliative care. Finally, we propose a new and revised classification of HF according to left ventricular ejection fraction (LVEF). The classification includes HF with reduced EF (HFrEF): HF with an LVEF of <= 40%; HF with mildly reduced EF (HFmrEF): HF with an LVEF of 41% to 49%; HF with preserved EF (HFpEF): HF with an LVEF of >= 50%; and HF with improved EF (HFimpEF): HF with a baseline LVEF of <= 40%, a >= 10-point increase from baseline LVEF, and a second measurement of LVEF of >40%.
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