Heart rate variability is confounded by the presence of erratic sinus rhythm

Phyllis K. Stein, D. Yanez, P. P. Domitrovich, J. Gottdiener, P. Chaves, R. Kronmal, P. Rautaharju

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Decreased heart rate variability (HRV) predicts adverse outcomes. HRV can be elevated by episodes of significant non-respiratory sinus arrhythmia (i.e., a highly erratic sinus rhythm with normal p-waves, ESR). This elevated HRV could confound risk stratification by increasing HRV in high-risk patients. HRV was determined from tapes recorded at baseline in the Cardiovascular Health Study, a population study of older adults. Twenty-four hour time, frequency and non-linear domain HRV was compared between ESR+ and ESR- subjects, with (CVD+) and without (CVD-) cardiovascular disease. ESR+ was associated with higher HRV in the time and frequency domains and with decreased short-term fractal scaling exponent and increased ratios of the dimensions of the Poincaré plot fitted ellipse. (ESR+ and CVD+) subjects with had the highest HRV for virtually all indices, while (ESR- and CVD+) had the lowest HRV. Since decreased HRV is associated with adverse outcomes, ESR is likely to dilute the predictive power of HRV.

Original languageEnglish (US)
Title of host publicationComputers in Cardiology
EditorsA. Murray
Pages669-672
Number of pages4
Volume29
StatePublished - 2002
EventComputers in Cardiology 2002 - Memphis, TN, United States
Duration: Sep 22 2002Sep 25 2002

Other

OtherComputers in Cardiology 2002
CountryUnited States
CityMemphis, TN
Period9/22/029/25/02

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Heart Rate
Paramagnetic resonance
Chemical vapor deposition
Sinus Arrhythmia
Fractals
Tapes
Cardiovascular Diseases
Health
Population

ASJC Scopus subject areas

  • Software
  • Cardiology and Cardiovascular Medicine

Cite this

Stein, P. K., Yanez, D., Domitrovich, P. P., Gottdiener, J., Chaves, P., Kronmal, R., & Rautaharju, P. (2002). Heart rate variability is confounded by the presence of erratic sinus rhythm. In A. Murray (Ed.), Computers in Cardiology (Vol. 29, pp. 669-672)

Heart rate variability is confounded by the presence of erratic sinus rhythm. / Stein, Phyllis K.; Yanez, D.; Domitrovich, P. P.; Gottdiener, J.; Chaves, P.; Kronmal, R.; Rautaharju, P.

Computers in Cardiology. ed. / A. Murray. Vol. 29 2002. p. 669-672.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Stein, PK, Yanez, D, Domitrovich, PP, Gottdiener, J, Chaves, P, Kronmal, R & Rautaharju, P 2002, Heart rate variability is confounded by the presence of erratic sinus rhythm. in A Murray (ed.), Computers in Cardiology. vol. 29, pp. 669-672, Computers in Cardiology 2002, Memphis, TN, United States, 9/22/02.
Stein PK, Yanez D, Domitrovich PP, Gottdiener J, Chaves P, Kronmal R et al. Heart rate variability is confounded by the presence of erratic sinus rhythm. In Murray A, editor, Computers in Cardiology. Vol. 29. 2002. p. 669-672
Stein, Phyllis K. ; Yanez, D. ; Domitrovich, P. P. ; Gottdiener, J. ; Chaves, P. ; Kronmal, R. ; Rautaharju, P. / Heart rate variability is confounded by the presence of erratic sinus rhythm. Computers in Cardiology. editor / A. Murray. Vol. 29 2002. pp. 669-672
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