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Sleep Disruption
Normal people who are unaware that long-term stress affects health
recorded in their sleeping habits at any age affecting the heart
system, should take notice of this latest study.
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Sleep Disruption Linked to Increased Cardiovascular Risk
30 March 2007 - seniorjournal.com
Certain sleep disruptions such as obstructive sleep
apnea known to convey extensive cardiovascular risk
March 30, 2007 – Senior citizens – the most likely to have sleep
problems – should be aware that sleep disruption in seemingly healthy
younger adults in a new study has been associated with increased
clotting of the blood, which has been shown to predict heart disease.
Researchers at the University of California, San Diego (UCSD) School
of Medicine reported the discovery and their findings were published
in the March issue of CHEST, the official publication of the American
College of Chest Physicians.
“In previous work, we have found that sleep disruption was linked to
pro-coagulant (i.e, pro-clotting) activity in patients with sleep
apnea, and in patients facing harrowing long-term stress. Now, we have
seen the same pattern of findings even in healthy normal subjects,”
said Joel E. Dimsdale, M.D., Professor of Psychiatry at UCSD.
Full-night polysomnography, a sleep study that involves recording
brain waves and airflow at the nose and mouth, was performed in 135
men and women, average age 36, who had no history of sleep disorders.
Through these measurements, a parallel correlation was found between
higher levels of spontaneous sleep disruption and higher levels of
compounds in the blood that serve as markers for clotting.
“Sleep disruption needs to be taken seriously,” said Dimsdale.
“It is known that certain forms of sleep disruption such as
obstructive sleep apnea convey extensive cardiovascular risk. We now
know that sleep disruption is a potential factor in heart disease
even in the average person.”
Editor’s Notes:
Additional contributors to this study include Paul J. Mills, Ph.D.,
and Sonia Ancoli-Israel, Ph.D., from the Department of Psychiatry;
Jose S. Loredo, M.D., Department of Medicine; and Loki Natarajan,
Ph.D., Department of Family and Preventive Medicine at University of
California San Diego, La Jolla, CA, and Roland von Känel, M.D.,
Department of General Internal Medicine, from University Hospital
Berne, Switzerland. The research was funded by a grant from the
National Institutes of Health. |
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