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A Heart Rate Variability-based Smart Approach to Analyze Frailty in Older Adults
Joao Paulo do Vale Madeiro,Paulo Cesar Cortez,Arnaldo Aires Peixoto Junior,Joao Alexandre Lobo Marques,Antonio Alisson Pessoa Guimara,John Hebert da Silva Felix 한국산학기술학회 2015 SmartCR Vol.5 No.4
This paper presents an algorithm that applies metrics derived from automatic QRS detection and segmentation in electrocardiogram signals for analyzing Heart Rate Variability to study the evolution of metrics in the frequency domain of a clinical procedure. The analysis was performed on three sets of elderly people, who are categorized according to frailty phenotype. The first set was comprised of frail elderly, the second pre-frail elderly, and the third robust elderly. Investigators from many disciplines have been encouraged to contribute to the understanding of molecular and physiological changes in multiple systems that may increase the vulnerability of frail elderly. In this work, the frailty phenotype can be characterized by unintentional weight loss, as self-reported, fatigue assessed by self-report, grip strength (measured directly), physical activity level assessed by self-report and gait speed (measured). The results obtained demonstrate the existence of significant differences between Heart Rate Variability metrics for the three groups, especially considering a higher preponderance for sympathetic nervous system for the group of robust patients in response to postural maneuver.
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