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Differential associations between specific depressive symptoms and cardiovascular prognosis in patients with stable

Petra W Hoen1, Mary A Whooley, Elisabeth J Martens

  • 1Department of Psychiatry, University Medical Center Groningen, Groningen, the Netherlands. p.w.hoen@med.umcg.nl

Journal of the American College of Cardiology
|September 4, 2010
PubMed

Insights

Somatic symptoms of depression, like fatigue and sleep issues, significantly increase cardiovascular event risk in stable coronary heart disease patients. Cognitive symptoms showed no significant association with cardiac prognosis.

Area of Science:

  • Cardiology
  • Psychiatry
  • Clinical Research

Background:

  • Depression is a known risk factor for poor cardiac prognosis in patients with stable coronary heart disease (CHD).
  • The differential impact of specific depressive symptom types (cognitive vs. somatic) on cardiovascular outcomes remains unclear.

Purpose of the Study:

  • To investigate the relationship between cognitive and somatic depressive symptoms and cardiovascular prognosis in patients with stable CHD.
  • To determine if specific depressive symptoms are more detrimental to cardiac health than others.

Main Methods:

  • The Heart and Soul Study enrolled 1,019 patients with stable CHD.
  • Depressive symptoms were assessed using the Patient Health Questionnaire, categorizing them into cognitive and somatic types.
  • Cardiovascular events (myocardial infarction, stroke, heart failure) or death were tracked over a mean follow-up of 6.1 years, with adjustments for demographic factors and cardiac risk factors.

Main Results:

  • Each somatic symptom independently increased the risk of cardiovascular events by 14% (HR: 1.14, p = 0.002).
  • Fatigue (HR: 1.34), appetite problems (HR: 1.46), and sleep difficulties (HR: 1.26) were the most significant somatic predictors of cardiovascular events.
  • Cognitive symptoms did not show a statistically significant association with cardiovascular events (HR: 1.08, p = 0.09).

Conclusions:

  • Somatic depressive symptoms are more predictive of adverse cardiovascular events in patients with stable CHD compared to cognitive symptoms.
  • Further research is warranted to elucidate the pathophysiological mechanisms linking somatic depressive symptoms to poorer cardiovascular prognosis.
  • These findings underscore the importance of addressing somatic aspects of depression in managing patients with coronary heart disease.
Abstract

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