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Am J Cardiol. 2004 May 15;93(10):1292-4.

Effects of daily stress on autonomic cardiac control in patients with coronary artery disease.

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  • 1Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Box 3119, Durham, NC 27710, USA. s_l_bacon@yahoo.com

Abstract

Emotional stress has been implicated in the development and progression of coronary artery disease, with 1 proposed causal pathway being changes in cardiac autonomic tone. One hundred thirty-five patients with coronary artery disease underwent 48 hours of ambulatory electrocardiographic monitoring and completed activity and mood diaries every 20 minutes while awake. Random-effects model analyses associated higher levels of negative emotions (e.g., anger, stress, sadness) with decreases in high- and low-frequency power, whereas higher levels of positive emotion were related to an increase in low-frequency power, independent of age, posture, and medications.

PMID:
15135708
[PubMed - indexed for MEDLINE]
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