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Depression following myocardial infarction: a one year longitudinal study
J I Travella1, A W Forrester, S K Schultz
1University of Iowa College of Medicine, Iowa City, USA.
International Journal of Psychiatry in Medicine
|January 1, 1994
Summary
Depression following myocardial infarction (MI) can manifest acutely, causing functional impairment, or persist, potentially linked to social support issues. Further research is needed due to limited follow-up participation.
Area of Science:
- Cardiology
- Psychiatry
- Clinical Psychology
Background:
- Depression is a common comorbidity following myocardial infarction (MI).
- Understanding the trajectory and impact of depression post-MI is crucial for patient outcomes.
Purpose of the Study:
- To investigate the course and clinical correlates of depression in the first year after myocardial infarction.
- To identify factors associated with depression in patients recovering from MI.
Main Methods:
- Seventy patients hospitalized for MI were assessed for mood disorders at admission and at 3, 6, 9, and 12 months post-discharge.
- Diagnosis of depression used the Present State Examination and DSM-III criteria.
- Functional impairment was measured using the Johns Hopkins Functioning Inventory and Social Functioning Examination.
Main Results:
- Twenty-four patients experienced major depression (18 acute, 6 follow-up); 8 experienced minor depression.
- Major depression had a median duration of 4.5 months.
- Depression at intake correlated with greater daily living impairment; prolonged depression (>6 months) was more often anxious; post-MI depression consistently related to impaired social functioning.
Conclusions:
- This pilot study suggests two depression patterns post-MI: acute, linked to functional impairment, and prolonged, potentially related to poor social support.
- Low follow-up participation necessitates replication.
- Findings highlight the importance of assessing and managing depression after myocardial infarction.