Suicide risk increases after heart attack: study

Tue Nov 30, 2010 9:05pm EST
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NEW YORK (Reuters Life!) - People are more likely to commit suicide in the wake of a heart attack, with the risk rising tripling in the month right after and remaining elevated for at least five years, a study said.

This appears true for both men and women, regardless of socioeconomic status.

The findings come as little surprise, said study author Karen Kjaer Larsen of Aarhus University in Denmark, suggesting that cardiac rehabilitation programs take this into consideration.

"We know that many patients with myocardial infarction suffer from anxiety and depression," she told Reuters Health in an e-mail. "Our study shows that the mental pain due to MI for some people is so strong that they commit suicide."

The study, which appeared in "Circulation," looked at population data from Denmark collected between 1981 and 2006, identifying almost 20,000 people who had committed suicide and comparing them to nearly 200,000 similar people who hadn't.

They found that more than four percent of people who committed suicide had a history of heart attack, versus less than three percent of the controls.

The risk of suicide was highest the month after patients left the hospital. Risks were also particularly high in patients with a history of psychiatric illness, indicated by a previous admission to a psychiatric hospital, ward or outpatient clinic.

"Before patients with MI are discharged from hospital we need to make sure that they have a safety net and know where to go or who to call if they suddenly feel sad and cannot cope with the situation," Larsen added.

The study did not report on the actual risk of suicide among those who had suffered heart attacks.   Continued...