November 1, 1990Psychosomatic Medicine
Insomnia and depression prior to myocardial infarction.
Why the study?
Is insomnia prior to myocardial infarction associated with a higher prevalence of major depressive episodes?
Population
70 patients with a recent myocardial infarction
Comparison
Insomnia for two weeks or longer prior to MI vs No insomnia prior to MI
Design
Cross-sectional
Authors
Discussion
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Member takes
Implication
Pre-MI insomnia signals elevated MDE risk; hypothesis-generating in cross-sectional data and requires longitudinal confirmation before guiding practice.
Structured PICO
Is insomnia prior to myocardial infarction associated with a higher prevalence of major depressive episodes?
P
Population
70 patients with a recent myocardial infarction
I
Intervention
Insomnia for two weeks or longer prior to MI
C
Comparator
No insomnia prior to MI
O
Outcome
Proportion of patients meeting diagnostic criteria for a major depressive episode (MDE)patient reported
Insomnia prior to myocardial infarction is strongly associated with underlying major depressive episodes and increased depressive symptoms.
Cite This Study
Carney et al. (1990) studied this question.