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Poor sleep linked to PTSD after heart attack
Date:5/29/2013

NEW YORK Clinicians have long speculated that poor sleep may be a mechanism involved in the higher risk of further cardiac events or death among those with post-traumatic stress disorder following a heart attack, but the association between PTSD and sleep after a heart event has been unknown.

Recent data from Columbia University Medical Center researchers have shown that symptoms of PTSD after a heart attack are relatively common. A PLoS ONE study (published in June 2012) found that 1 in 8 heart attack survivors suffer PTSD and that survivors with PTSD have a doubled risk of having another cardiac event or of dying within one to three years, compared with survivors without PTSD.

A paper published in the current issue of Annals of Behavioral Medicine, by Jonathan A. Shaffer, PhD, and colleagues at Columbias Center for Behavioral Cardiovascular Health, reports on an analysis of the association of PTSD and sleep in nearly 200 patients who had experienced a heart attack within the previous month, recruited from NewYork-Presbyterian Hospital/Columbia University Medical Center. The studythe first of its kindfound that PTSD following a heart attack is associated with poor sleep.

The results showed that the more heart attack-induced PTSD symptoms patients reported, the worse their overall self-reported sleep was in the month following their heart attack. Greater PTSD symptoms following a heart attack were associated with worse sleep quality, shorter sleep duration, more sleep disturbances, use of sleeping medications, and daytime dysfunction due to poor sleep the night before.

The data also showed that people with poor sleep following a heart attack were more likely to be female and to have higher body mass index and more symptoms of depression; they were less likely to be Hispanic.

Dr. Shaffer and colleagues hypothesize that the strong association between heart attack-induced PTSD and slee
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Contact: Elizabeth Streich
eas2125@cumc.columbia.edu
212-305-3689
Columbia University Medical Center
Source:Eurekalert

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