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Hemodynamic changes in depressive patients

Ying Ma1, Hui-chun Li, Lei-lei Zheng

  • 1Department of Psychiatry, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China. maying7211@sina.com

Journal of Zhejiang University. Science. B
|January 20, 2006
PubMed

Insights

Depression patients exhibit altered cardiac function, including reduced left ventricle preload and afterload. Comorbid anxiety further complicates these hemodynamic changes, impacting blood pressure and circulation.

Area of Science:

  • Cardiology
  • Psychiatry
  • Medical Physiology

Background:

  • Depression is frequently associated with physical health issues.
  • Understanding the physiological underpinnings of depression is crucial for comprehensive patient care.

Purpose of the Study:

  • To investigate the relationship between hemodynamic alterations and symptoms of depression and anxiety.
  • To identify specific cardiac function changes in patients with major depressive disorder.

Main Methods:

  • Assessed cardiac function indices (e.g., left stroke index, ejection fraction, heart rate) in 65 major depressive disorder patients and 31 healthy controls.
  • Utilized Hamilton depression and anxiety scales to evaluate clinical symptoms.
  • Measured parameters including diastolic and systolic pressure mean, left ventricle end-diastolic volume, effective circulating volume, resistance total mean, and blood flow smooth degree.

Main Results:

  • Depression patients without anxiety showed lower left stroke index, ejection fraction, left ventricle end-diastolic volume, diastolic pressure mean, systolic pressure mean, effective circulating volume, and blood flow smooth degree, with higher resistance total mean compared to controls.
  • Patients with comorbid depression and anxiety exhibited decreased left ventricle end-diastolic volume, effective circulating volume, blood flow smooth degree, and increased heart rate.
  • Anxiety/somatization scores correlated positively with left stroke index, ejection fraction, and left ventricle end-diastolic volume, but negatively with resistance total mean. Retardation scores negatively correlated with diastolic and systolic pressure mean and left ventricle end-diastolic volume.

Conclusions:

  • Depressive patients display significant changes in left ventricle preload, afterload, blood pressure, peripheral resistance, and microcirculation.
  • Co-occurring anxiety exacerbates and complicates these observed hemodynamic changes in depression.
Abstract

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