Talk to the Veterans Crisis Line now
U.S. flag
An official website of the United States government

Health Services Research & Development

Go to the ORD website
Go to the QUERI website

HSR&D Citation Abstract

Search | Search by Center | Search by Source | Keywords in Title

Rest/activity rhythms and cardiovascular disease in older men.

Paudel ML, Taylor BC, Ancoli-Israel S, Stone KL, Tranah G, Redline S, Barrett-Connor E, Stefanick ML, Ensrud KE. Rest/activity rhythms and cardiovascular disease in older men. Chronobiology International. 2011 Apr 1; 28(3):258-66.

Dimensions for VA is a web-based tool available to VA staff that enables detailed searches of published research and research projects.

If you have VA-Intranet access, click here for more information vaww.hsrd.research.va.gov/dimensions/

VA staff not currently on the VA network can access Dimensions by registering for an account using their VA email address.
   Search Dimensions for VA for this citation
* Don't have VA-internal network access or a VA email address? Try searching the free-to-the-public version of Dimensions



Abstract:

Prior studies have suggested an increased risk of cardiovascular disease (CVD)-related mortality in older adults with disturbed circadian rest/activity rhythms (RARs). The objective goal of this study was to examine the association between disrupted RARs and risk of CVD events in older men. A total of 2968 men aged 67 yrs and older wore wrist actigraphs for 115? ?18 consecutive hours. RAR parameters were computed from wrist actigraphy data and expressed as quartiles (Q). CVD events consisted of a composite outcome of coronary heart disease (CHD), stroke, and peripheral vascular disease (PVD) events. Secondary analyses examined associations between RARs and individual components of the composite outcome (CHD, stroke, and PVD). There were 490 CVD events over an average of 4.0? ?1.2 yrs. Overall, reduced amplitude (HR? = 1.31, 95% confidence interval [CI] 1.01-1.71 for Q2 vs. Q4) and greater minimum (HR? = 1.33, 95% CI 1.01-1.73 for Q4 vs. Q1) were associated with an increased risk of CVD events in multivariable-adjusted models. In secondary analyses, there was an independent association between reduced amplitude (HR? = 1.36, 95% CI 1.00-1.86) and greater minimum activity counts (HR? = 1.39, 95% CI 1.02-1.91) with increased risk of CHD events. Reduced F value (HR? = 2.88, 95% CI 1.41-5.87 for Q1 vs. Q4 and HR? = 2.71, 95% CI 1.34-5.48 for Q2 vs. Q4) and later occurring acrophase of the RAR (HR? = 1.65, 95% CI 1.04-2.63 for Q4 vs. Q2-3) were associated with an increased risk of PVD events. Results were similar in men without a history of CVD events. The findings revealed that among older men, measures of decreased circadian activity rhythm robustness (reduced amplitude and greater minimum activity) were associated with an increased risk of CVD events, primarily through increased risk of CHD or stroke events, whereas measures of reduced circadian activity rhythmicity were not associated with risk of CVD events overall, but were associated with an increased risk of PVD events. These results should be confirmed in other populations.





Questions about the HSR&D website? Email the Web Team.

Any health information on this website is strictly for informational purposes and is not intended as medical advice. It should not be used to diagnose or treat any condition.