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Psychobiology of depression/distress in congestive heart failure

Kaki M York1, Mustafa Hassan, David S Sheps

  • 1VAMC, Psychology Service (116b), North Florida/South Georgia VA Healthcare System, 1601 SW Archer Rd, Gainesville, FL 32608, USA. kaki.york@va.gov

Heart Failure Reviews
|March 28, 2008
PubMed

Insights

Millions of Americans with heart failure often experience depression and anxiety, impacting their health outcomes. This review explores how mental health conditions and stress may contribute to heart failure through various biological mechanisms.

Area of Science:

  • Cardiology
  • Psychiatry
  • Pathophysiology

Background:

  • Heart failure (HF) affects millions, with diagnoses projected to triple in 30 years due to aging.
  • Co-occurring affective disorders like depression and anxiety are prevalent in HF patients.
  • These mental health conditions negatively influence quality of life, medical results, and healthcare use.

Purpose of the Study:

  • To review existing literature on the pathophysiologic mechanisms linking affective disorders and psychosocial stress to heart failure.
  • To discuss proposed mechanisms including autonomic dysfunction, inflammation, arrhythmias, and platelet function.
  • To introduce novel mechanisms, such as mental stress-induced myocardial ischemia.

Main Methods:

  • Literature review of studies investigating the relationship between affective disorders and heart failure.
  • Analysis of proposed pathophysiologic pathways.
  • Discussion of emerging concepts in the field.

Main Results:

  • Several biological mechanisms are implicated in the link between mental health and heart failure.
  • Autonomic nervous system dysfunction, inflammation, cardiac arrhythmias, and platelet activation are key proposed pathways.
  • Mental stress-induced myocardial ischemia is presented as a novel contributing factor.

Conclusions:

  • Affective disorders and psychosocial stress are significantly associated with heart failure.
  • Understanding these pathophysiologic links is crucial for improving patient outcomes.
  • Further research into novel mechanisms like stress-induced ischemia may reveal new therapeutic targets.

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