JOURNAL ARTICLE
REVIEW

Amyloid transthyretin cardiac amyloidosis: diagnosis and management

Bennett Di Giovanni, Dakota Gustafson, Diego Hernan Delgado
Expert Review of Cardiovascular Therapy 2019, 17 (9): 673-681
31478389
Introduction : Cardiac amyloidosis is a disorder caused by the accumulation of abnormal protein products, amyloid, in the myocardium which subsequently impairs normal heart function. Heart failure with preserved ejection fraction has been increasingly attributed to amyloidosis and the resultant restrictive cardiomyopathy it creates. Areas covered : Amyloid transthyretin (ATTR) is one of several identified amyloid products that have been pathologically implicated in cardiac amyloidosis through advanced diagnostics. Improvements in nuclear imaging techniques, particularly scintigraphy, have enabled non-invasive diagnosis where previously endomyocardial biopsy was the only option. Despite being considered a rare disease, it is likely that ATTR cardiac amyloidosis is an underdiagnosed condition which has been supported by autopsy findings in heart failure populations. This article will review ATTR cardiac amyloidosis to provide physicians with the tools they need to establish a definitive diagnosis when there is a clinical suspicion of amyloidosis and provide the most appropriate care. Expert commentary : Increased awareness and improved diagnostic techniques will lead to earlier diagnosis and a greater understanding of the clinical presentation. The anticipated increases in the prevalence of this disease due to increased clinical awareness will require, and in-part, facilitate the development of new therapies to manage this patient population.

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