Document Detail


Comparison of time and frequency domain measures of RSA in ambulatory recordings.
MedLine Citation:
PMID:  17343704     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The extent to which various measures of ambulatory respiratory sinus arrhythmia (RSA) capture the same information across conditions in different subjects remains unclear. In this study the root mean square of successive differences (RMSSD), peak valley RSA (pvRSA), and high frequency power (HF power) were assessed during ambulatory recording in 84 subjects, of which 64 were retested after about 3 years. We used covariance structure modeling to test the equality of the correlations among three RSA measures over two test days and three conditions (daytime sitting or walking and nighttime sleep) and in groups with low, medium, and high mean heart rate (HR), or low, medium, and high mean respiration rate (RR). Results showed that ambulatory RMSSD, pvRSA, and HF power are highly correlated and that their correlation is stable across time, ambulatory conditions, and a wide range of resting HR and RR values. RMSSD appears to be the most cost-efficient measure of RSA.
Authors:
Annebet D Goedhart; Sophie van der Sluis; Jan H Houtveen; Gonneke Willemsen; Eco J C de Geus
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Psychophysiology     Volume:  44     ISSN:  0048-5772     ISO Abbreviation:  Psychophysiology     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-03-08     Completed Date:  2007-05-29     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0142657     Medline TA:  Psychophysiology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  203-15     Citation Subset:  IM    
Affiliation:
Department of Biological Psychology, Vrije Universiteit Amsterdam, The Netherlands. ad.goedhart@psy.vu.nl
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Algorithms
Arrhythmia, Sinus / physiopathology*
Data Interpretation, Statistical
Female
Heart Rate / physiology
Humans
Male
Middle Aged
Monitoring, Ambulatory / statistics & numerical data*
Reproducibility of Results
Respiratory Mechanics / physiology*
Sleep / physiology
Wakefulness / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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