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Impaired endothelial function in coronary heart disease patients with depressive symptomatology

Andrew Sherwood1, Alan L Hinderliter, Lana L Watkins

  • 1Duke University Medical Center, Durham, North Carolina 27710, USA. sherw002@mc.duke.edu

Journal of the American College of Cardiology
|August 16, 2005
PubMed

Insights

Depressive symptoms in coronary heart disease (CHD) patients are linked to poorer vascular endothelial function. Antidepressant use may improve this endothelial dysfunction, potentially reducing cardiovascular event risk.

Area of Science:

  • Cardiology
  • Psychiatry
  • Vascular Biology

Background:

  • Depression significantly increases mortality risk in coronary heart disease (CHD) patients.
  • Underlying mechanisms linking depression and mortality in CHD remain unclear.
  • Endothelial dysfunction is a known risk factor for cardiovascular events in CHD.

Purpose of the Study:

  • To investigate the association between depressive symptomatology and vascular endothelial dysfunction in patients with CHD.
  • To explore potential pathways linking depression and cardiovascular risk in CHD.

Main Methods:

  • Assessed endothelial function using flow-mediated dilation (FMD) of the brachial artery.
  • Studied 143 patients (mean age 63 years) with documented CHD.
  • Utilized the Beck Depression Inventory (BDI) to quantify depressive symptomatology.

Main Results:

  • Patients with significant depressive symptoms (BDI ≥ 10) exhibited attenuated FMD compared to non-depressed patients (p = 0.001).
  • Antidepressant medication use was associated with improved FMD (p < 0.05).

Conclusions:

  • Endothelial dysfunction may partially mediate the elevated cardiovascular event risk observed in CHD patients with depressive symptoms.
  • Findings suggest a potential therapeutic target for improving cardiovascular outcomes in this population.
Abstract

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