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Related Experiment Videos

Type A behaviour, life events & myocardial infarction.

M S Bhatia1, A Tiwari, Balkrishna

  • 1Department of Psychiatry, Lady Hardinge Medical College, New Delhi.

The Indian Journal of Medical Research
|April 1, 1990
PubMed
Summary

Type A behavior and high stress from life events are strongly linked to myocardial infarction. These factors, particularly speed and impatience, were more prevalent in patients, but anxiety and depression improved over time.

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Area of Science:

  • Cardiology
  • Psychosomatic Medicine
  • Behavioral Science

Background:

  • Myocardial infarction (MI) is a leading cause of mortality worldwide.
  • The role of behavioral patterns and life stressors in cardiovascular disease is increasingly recognized.
  • Understanding these associations is crucial for developing effective prevention and management strategies.

Purpose of the Study:

  • To investigate the relationship between Type A behavior, stressful life events, and myocardial infarction (MI).
  • To identify specific components of Type A behavior associated with MI.
  • To assess the impact of life events on MI and its sequelae.

Main Methods:

  • A case-control study involving 50 patients with myocardial infarction and 50 healthy controls.

Related Experiment Videos

  • Assessment of Type A behavior using a standardized scale, focusing on components like speed and impatience (Factor S).
  • Evaluation of stressful life events, including frequency and perceived stress levels.
  • Measurement of anxiety and depression using Hamilton's anxiety rating scale and Beck's depression inventory.

    • Main Results:

    • Type A behavior was significantly more prevalent in MI patients (72%) compared to controls (16%).
    • Factor S (speed and impatience) was a significant differentiator of Type A behavior in the MI group.
    • MI patients reported significantly higher frequencies and stress scores for life events.
    • Anxiety and depression scores showed statistically significant improvement over time in MI patients.

    Conclusions:

    • Type A behavior, characterized by speed and impatience, is strongly associated with myocardial infarction.
    • Increased frequency and stress from life events are linked to myocardial infarction.
    • While behavioral factors and life stressors contribute to MI, associated anxiety and depression symptoms can improve post-event.