Clinical Penetrance of the Transthyretin V122I Variant in Older Black Patients With Heart Failure: The SCAN‐MP (Screening for Cardiac Amyloidosis With Nuclear Imaging in Minority Populations) Study

Abstract excerpt

Background Transthyretin amyloid cardiomyopathy (ATTR‐CM) is an underdiagnosed cause of heart failure (HF) among patients ≥60 years of age. Although the V122I (valine to isoleucine substitution at position 122 of the transthyretin protein) variant associated with hereditary ATTR‐CM is present in 3.4% of self‐identified Black individuals in the United States (or 1.5 million people), the phenotypic penetrance is...

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