| Fractal dimension in health and heart failure. | |
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MedLine Citation:
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PMID: 17061937 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Non-linear analysis of heart rate variability (HRV) can give additional information about autonomic control of the heart rate. This study applied the fractal dimension (FD) in a congestive heart failure (CHF) population. METHODS: FD and HRV were evaluated in a healthy population (n=21) and an end-stage heart failure population (n=21) using 1-h segments during the day and night from Holter recordings. RESULTS: CHF patients presented a loss of circadian variation in both FD and conventional time- and frequency-domain HRV indices. FD was higher in the CHF population both during the day and night. In the CHF population the correlation between FD and high-frequency power of HRV was lost. CONCLUSION: Day-night variations of heart rate fluctuations are lost in heart failure. Changes in FD reflecting physiological and pathophysiological changes were observed. |
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Authors:
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Frank Beckers; Bart Verheyden; Kurt Couckuyt; André E Aubert |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Biomedizinische Technik. Biomedical engineering Volume: 51 ISSN: 0013-5585 ISO Abbreviation: Biomed Tech (Berl) Publication Date: 2006 Oct |
Date Detail:
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Created Date: 2006-10-25 Completed Date: 2006-12-26 Revised Date: 2010-11-05 |
Medline Journal Info:
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Nlm Unique ID: 1262533 Medline TA: Biomed Tech (Berl) Country: Germany |
Other Details:
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Languages: eng Pagination: 194-7 Citation Subset: IM |
Affiliation:
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Laboratory of Experimental Cardiology, Department of Cardiovascular Diseases, University Hospital Gasthuisberg, Leuven, Belgium. frank.beckers@med.kuleuven.be |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algorithms Arrhythmias, Cardiac / diagnosis, etiology, physiopathology* Biological Clocks* Circadian Rhythm* Diagnosis, Computer-Assisted / methods Electrocardiography / methods* Female Fractals* Heart Failure / complications, diagnosis, physiopathology* Heart Rate* Humans Male Middle Aged Oscillometry / methods |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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