What question did this study set out to answer?

To determine whether competitive social stress elicits distinct ventricular electrocardiographic responses in coronary-prone (Type A) compared to coronary-resistant (Type B) individuals.

June 1, 1983Psychosomatic Medicine

Electrocardiograph ic Effects of Social Stress on Coronary-Prone (Type A) Individuals

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Why the study?

Does social stress elicit larger ventricular electrophysiological responses in Type A individuals compared to Type B individuals?

Population

Subjects selected for possession of either the Type A or Type B behavior pattern

Comparison

Formal competitive game of social strategy vs Type B behavior pattern subjects

Design

Cross-sectional

Authors

LELawrence F. Van EgerenMichigan State University HFHoracio FábregaSprint (United States)DTDozier W. ThorntonMichigan State University

Discussion

Member takes

Implication

Social stress may elicit greater ventricular changes in Type A individuals; hypothesis-generating for sympathetic mechanisms, prospective studies needed before clinical relevance.

Key Points

To determine whether competitive social stress elicits distinct ventricular electrocardiographic responses in coronary-prone (Type A) compared to coronary-resistant (Type B) individuals.
Categorized participants based on Type A (coronary-prone) or Type B (coronary-resistant) behavioral profiles.
Exposed participants to social stress via a competitive computerized strategy game presented as an interaction with a human partner.
Performed computer-assisted electrocardiographic (ECG) recording and analysis to evaluate ventricular electrophysiological changes during the task.
Type A participants exhibited greater behavioral impatience during competitive social interactions compared to Type B participants.
Social stress elicited significantly larger ventricular electrophysiological alterations in Type A subjects, characterized by ST segment depression and reduced T wave and R wave amplitudes, consistent with elevated cardiac sympathetic activation.

Structured PICO

Does social stress elicit larger ventricular electrophysiological responses in Type A individuals compared to Type B individuals?

Population

Subjects selected for possession of either the Type A (coronary-prone) or Type B (coronary-resistant) behavior pattern

Intervention

Formal competitive game of social strategy (social stress)

Comparator

Type B (coronary-resistant) behavior pattern subjects

Outcome

Ventricular electrophysiological responses (ST segment depression, and reduction of T wave and R wave amplitudes)surrogate

Type A individuals exhibit greater ventricular electrophysiological responses to social stress compared to Type B individuals, suggesting heightened cardiac sympathetic activity.

Cite This Study

Egeren et al. (1983) studied this question.

synapsesocial.com/papers/6a777c1998f24dbf64bd8892 https://doi.org/10.1097/00006842-198306000-00002

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Implication

Social stress may elicit greater ventricular changes in Type A individuals; hypothesis-generating for sympathetic mechanisms, prospective studies needed before clinical relevance.

Electrocardiograph ic Effects of Social Stress on Coronary-Prone (Type A) Individuals

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Electrocardiograph ic Effects of Social Stress on Coronary-Prone (Type A) Individuals

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Also Consider