Heart patients, beware. Depression may double the risk of early death

Researchers found that post-coronary artery disease depression was the single biggest predictor of death.

Beware! Heart disease patients are twice as likely to suffer an early death if they suffer depression, warns a study. Researchers tracked more than 24,000 patients for 10 years and found that post-coronary artery disease depression was the single biggest predictor of death.

Lead author Dr Heidi May said that no matter how long or how short it was, patients were found to have twice the risk of dying compared to those who did not have a follow-up diagnosis of depression. May stated that depression was the strongest risk factor for dying, compared to any other risk factors we evaluated, including age, heart failure, diabetes, high blood pressure, kidney failure, or having a heart attack or stroke.

In all, 15%, or 2,646 patients, were diagnosed with depression at some point during follow-up. Of those, most of them (37%) were diagnosed with depression for more than five years after their first heart event, but the two diagnosis were linked.

According to researchers there are hormonal changes and electro-functioning changes which affect the heart’s functioning as people who suffer depression have reduced levels of serotonin released in their brain.

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