Short- versus long-term ECG recordings for the assessment of non-linear heart rate variability parameters after beating heart myocardial revascularization

Abstract Non-linear analyses of heart rate dynamics reveal subtle changes not evident from conventional heart rate variability measures. Traditionally, the information was inferred from 24-hour ECG recordings, making it less suitable for clinical application. Moreover, only few studies have attempte...

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Bibliographic Details
Published in:Computers in biology and medicine 2009-01, Vol.39 (1), p.79-87
Main Authors: Ksela, Jus, Kalisnik, Jurij Matija, Avbelj, Viktor, Vidmar, Gaj, Suwalski, Piotr, Suwalski, Grzegorz, Suwalski, Kazimierz, Gersak, Borut
Format: Article
Language:English
Subjects:
Aged
Cardiac arrhythmia
Cardiovascular disease
Detrended fluctuation analysis
Electrocardiography - methods
Female
Fractal dimension
Fractals
Heart
Heart Rate
Heart rate variability
Humans
Internal Medicine
Male
Middle Aged
Monitoring, Physiologic - methods
Myocardial Revascularization
Non-linear dynamics
Off-pump CABG
Other
Studies
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Summary:Abstract Non-linear analyses of heart rate dynamics reveal subtle changes not evident from conventional heart rate variability measures. Traditionally, the information was inferred from 24-hour ECG recordings, making it less suitable for clinical application. Moreover, only few studies have attempted to evaluate the reliability of non-linear analyses in relation to varying proportion of artifacts in tracings. In 67 patients revascularized with beating-heart technique, fractal dimension and detrended fluctuation analyses were obtained from 24-hour Holter and 15-minute high-resolution ECG recordings pre and postoperatively. We found strong correlations of non-linear indices between 24-hour and 15-minute recordings (0.54–0.77, p
ISSN:0010-4825
1879-0534
DOI:10.1016/j.compbiomed.2008.11.005