The Prevalence and Impact of Anergia (Lack of Energy) in Subjects with Heart Failure and Its Associations with Actigraphy

摘要

BackgroundAnergia (lack of energy) is a newly delineated, criterion-based geriatric syndrome. Since heart failure (HF) is a common chronic condition among older adults and a since a cardinal symptom of HF is reduced energy, we characterized the degree of anergia in subjects with HF and evaluated its relevance to disease severity, functional performance and quality of life.