Research Article: Optimizing cardiac amyloidosis assessment: utility of 1-h and 3-h 99mTc-PYP imaging
Introduction:
Transthyretin amyloid cardiomyopathy (ATTR-CM) is caused by a mutation in the gene encoding transthyretin, a small molecule mainly produced by the liver [1]. Cardiac involvement is considered to be the leading cause of morbidity and mortality in systemic amyloidosis [2]. An epidemiological multicenter study conducted in Finland [3] showed that the prevalence of ATTR in an autopsied elderly population was high at 25%. Another study performed in Spain indicated that approximately 13% of patients with heart failure…
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