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. 2013 May 15:11:131.
doi: 10.1186/1741-7015-11-131.

Depression as a risk factor for adverse outcomes in coronary heart disease

Kenneth E Freedland  1 , Robert M Carney
Affiliations

Depression as a risk factor for adverse outcomes in coronary heart disease

Kenneth E Freedland et al. BMC Med. .

Abstract

Background: Depression is firmly established as an independent predictor of mortality and cardiac morbidity in patients with coronary heart disease (CHD). However, it has been difficult to determine whether it is a causal risk factor, and whether treatment of depression can improve cardiac outcomes. In addition, research on biobehavioral mechanisms has not yet produced a definitive causal model of the relationship between depression and cardiac outcomes.

Discussion: Key challenges in this line of research concern the measurement of depression, the definition and relevance of certain subtypes of depression, the temporal relationship between depression and CHD, underlying biobehavioral mechanisms, and depression treatment efficacy.

Summary: This article examines some of the methodological challenges that will have to be overcome in order to determine whether depression should be regarded as a key target of secondary prevention in CHD.

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