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Prevalence and outcome of dual aortic stenosis and cardiac amyloid pathology in patients referred for transcatheter aortic valve implantation

European Heart Journal Apr 16, 2020

Scully PR, Patel KP, Treibel TA, et al. - Researchers assumed that individuals with dual aortic stenosis and cardiac amyloid pathology (AS-amyloid) would have different baseline characteristics, periprocedural and mortality outcomes. Researchers included individuals aged ≥ 75 with severe aortic stenosis (AS) referred for transcatheter aortic valve implantation (TAVI) at two sites who had undergone blinded bone scintigraphy prior to intervention (Perugini Grade 0 negative, 1–3 increasingly positive). Echocardiography, electrocardiogram (ECG), blood tests, 6-min walk test, and health questionnaire, with periprocedural complications and mortality follow-up were included as baseline assessment. This study enrolled a total of 200 individuals (aged 85 ± 5 years, 50% male). The study's findings demonstrate that AS-amyloid is common and differs from lone AS. The data reveal that in AS-amyloid, transcatheter aortic valve implantation significantly improved outcome, while there were similar periprocedural complications and mortality to lone AS, implying that TAVI should not be denied to individuals with AS-amyloid.

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