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Exploring the blood volume amplitude and pulse transit time during anger recall in patients with coronary artery

I-Mei Lin1, Sheng-Yu Fan2, Ye-Hsu Lu3

  • 1Department of Psychology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.

Journal of Cardiology
|May 21, 2014
PubMed

Insights

Patients with coronary artery disease (CAD) show heightened blood volume amplitude (BVA) reactivity and impaired recovery during anger recall, suggesting a link between anger, autonomic imbalance, and CAD.

Area of Science:

  • Cardiology
  • Psychophysiology
  • Autonomic Nervous System Research

Background:

  • Cardiac autonomic imbalance is a proposed mechanism linking anger to coronary artery disease (CAD).
  • Blood volume amplitude (BVA) and pulse transit time (PTT) serve as indirect markers of autonomic activation, reflecting peripheral arterial elasticity and cardiac conduction.
  • Understanding these markers' reactivity during emotional stress is crucial for CAD psychopathology research.

Purpose of the Study:

  • To investigate the relationship between BVA and PTT in CAD patients.
  • To examine the reactivity and recovery of BVA and PTT during an anger recall task in CAD patients compared to healthy controls.

Main Methods:

  • 112 patients with CAD and 93 healthy controls participated.
  • BVA and PTT measurements were taken at baseline, during neutral and anger recall episodes, and post-episode recovery.
  • Statistical analyses compared reactivity and recovery patterns between groups.

Main Results:

  • Significant positive correlations between BVA and PTT were observed across all participants.
  • CAD patients exhibited greater BVA reactivity during anger recall and lower BVA recovery compared to controls.
  • While controls showed full PTT recovery, CAD patients did not recover PTT to baseline levels after neutral or anger episodes.

Conclusions:

  • BVA and PTT dynamics during anger recall are linked to cardiac autonomic regulation.
  • Peripheral vasoconstriction and altered pulse transit times during anger, coupled with impaired recovery, may underlie the psychopathological mechanisms of CAD.
  • These findings highlight the physiological impact of anger on cardiovascular function in CAD patients.
Abstract

Keywords:
Anger recallBlood volume amplitudeCoronary artery diseasePulse transit time

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