Changes in short-term measures of heart rate variability after eight weeks of cardiac rehabilitation

Sandercock, G. R., Grocott-Mason, R. and Brodie, David (2007) Changes in short-term measures of heart rate variability after eight weeks of cardiac rehabilitation. Clinical Autonomic Research, 17 (1). pp. 39-45. ISSN 0959-951

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Abstract

Background: In coronary artery disease (CAD) and following myocardial infarction (MI), activity of the autonomic nervous system is altered. Reduced heart rate variability (HRV) is a risk factor for future cardiac event. Studies reporting changes in HRV post-cardiac rehabilitation (CR) are heterogenous, due possibly to varied data collection and analysis protocols. Aim: To evaluate changes in spectral methods of HRV derived from 5-minute ECG recordings in patients completing an 8 weeks CR programme. Conclusions: This is the first study to show significant increases in raw LF and HF power derived from short-term ECG recordings in CR patients. These measures are risk factors for future cardiac event. As CR is associated with increases in these measures it may be viewed as an effective therapy capable of bringing about favourable alterations in autonomic control.

Item Type: Article
Divisions: ?? BucksNewUniversity ??
Depositing User: ULCC Admin
Date Deposited: 24 Aug 2012 13:11
Last Modified: 11 Dec 2017 19:20
URI: http://bucks.repository.guildhe.ac.uk/id/eprint/9917

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