Global Cardiac Societies Release Second Universal Definition of Heart Failure (2026) to Standardize Diagnosis and Prevention
By
Amanda Vest, MBBS, MPH
Summary
This expert consensus document from major cardiac societies (AHA, ACC, ESC, WHF) establishes the second universal definition of heart failure (HF) for 2026. It addresses the need for standardized terminology to reduce subjectivity and ambiguity in defining HF and its antecedent stages. The document builds on the 2021 framework that designated stage B or pre-HF to identify at-risk individuals, incorporating substantial progress in HF prevention, diagnosis, and management made in subsequent years. The goal is to improve global surveillance, research consistency, and prevention programs through a unified classification system.
Source

Key quotes
· 4 pulledHeart failure (HF) remains a pressing health concern, with rising prevalence globally.
Subjectivity and ambiguity in the definition of HF and its antecedent stages have limited research, global surveillance, and prevention programs.
Several cardiac societies and foundations convened to standardize the definition of HF in 2021 and designated stage B or pre-HF to identify individuals at risk of developing HF.
Substantial progress and changes have been made in aspects of preventing HF, improving HF diagnosis and management.
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