Abstract 13392: Impaired Oxygen Uptake Efficiency Slope (OUES) Predicts Mortality in Wild-Type Transthyretin Amyloid Cardiomyopathy (ATTRwt-CM)

Introduction: Cardiopulmonary exercise testing (CPET) is a prognostic tool for advanced heart failure. Whether exercise metrics can provide incremental mortality prediction in ATTRwt-CM has not bee...