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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
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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.

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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.