March 1, 1978The Medical Journal of Australia
Psychiatric Antecedents of Myocardial Infarction
Why the study?
Are psychiatric symptoms and stressful life events associated with a higher risk of myocardial infarction?
Population
80 individuals, comprising 40 consecutive survivors after myocardial infarction and a matched sample of 40…
Comparison
Psychosocial factors vs Matched controls without recent MI
Design
Case-control
Authors
Discussion
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Implication
May warrant awareness in risk assessment; leaves open causality and needs prospective confirmation.
Key Points
- The aim is to explore the psychiatric factors that may predispose individuals to myocardial infarction.
- Compared 40 myocardial infarction survivors with 40 matched controls using semistructured interviews.
- Evaluated psychosocial factors including symptoms of anxiety, depression, and stressful life events.
- Used close informants to gather additional information about each participant.
- MI survivors reported significantly higher rates of anxiety and depression symptoms compared to controls.
- The MI group experienced approximately 2.5 times more stressful life events than the control group.
- Long-term personality traits did not significantly differentiate MI survivors from controls.
Structured PICO
Are psychiatric symptoms and stressful life events associated with a higher risk of myocardial infarction?
P
Population
80 individuals, comprising 40 consecutive survivors after myocardial infarction (MI) and a matched sample of 40 controls.
I
Intervention
Psychosocial factors (symptoms of anxiety, depression, stressful life events, and personality traits)
C
Comparator
Matched controls without recent MI
O
Outcome
Prior occurrence of symptoms of anxiety and depression, and preceding stressful life eventspatient reported
Psychiatric symptoms such as anxiety and depression, along with stressful life events, are significantly more common prior to myocardial infarction compared to matched controls.
Cite This Study
Bianchi et al. (1978) studied this question.