Left Atrial Structure and Function, Clinical Outcomes, and Efficacy of Vutrisiran in Transthyretin Amyloidosis With Cardiomyopathy

Per the results of this secondary analysis of the HELIOS-B randomized clinical trial, LA dysfunction is common among patients with ATTR-CM and portends a worse prognosis. Consistent with its beneficial effects on other measures of cardiac structure and function, vutrisiran attenuated worsening in LA strain at 30 months, supporting the importance of LA function in the pathophysiology of ATTR-CM and the ability of silencer therapy with vutrisiran to attenuate worsening atrial myopathy in amyloid heart disease.

Corresponding Author: Scott D. Solomon, MD, Cardiovascular Division, Brigham and Women’s Hospital, 75 Francis St, Boston, MA 02115 (ssolomon@bwh.harvard.edu).

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