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Depression following myocardial infarction
A W Forrester1, J R Lipsey, M L Teitelbaum
1Johns Hopkins University.
Insights
Major depression is common after myocardial infarction, affecting 19% of patients. Predisposing factors include a history of mood disorder, female sex, and physical impairment, necessitating psychiatric intervention.
Area of Science:
- Cardiology
- Psychiatry
- Psychosomatic Medicine
Background:
- Mood disorders following myocardial infarction (MI) are understudied, with disputed prevalence and severity.
- Standard diagnostic criteria and rating scales for depression are infrequently used in post-MI patients.
- Understanding depression post-MI is crucial for patient outcomes and treatment.
Purpose of the Study:
- To determine the frequency of depressive disorders after myocardial infarction.
- To identify predisposing factors for developing depression post-MI.
- To assess the impact of depression on psychiatric morbidity in acute post-MI patients.
Main Methods:
- Structured clinical interviews conducted in 129 inpatients within 10 days of MI.
- Standardized rating scales used for depression, social function, cognition, and physical impairment.
- Diagnostic and Statistical Manual of Mental Disorders, Third Edition (DSM-III) criteria applied for diagnoses.
Main Results:
- Major depressive syndromes identified in 19% (n=25) of patients post-MI.
- Associated factors included prior mood disorder history, female sex, larger infarct size, and functional physical impairment.
- Depression was linked to significant psychiatric morbidity in the acute post-MI phase.
Conclusions:
- Major depression is a prevalent condition in the acute phase following myocardial infarction.
- Identifying predisposing factors can aid in early detection and intervention.
- Sustained depressive disorders post-MI warrant psychiatric intervention to mitigate morbidity.
Objective:
Although many investigators have studied mood disorders following myocardial infarction, the prevalence, severity, and persistence of depression have been disputed, and standard rating scales and criteria for depressive disorders have infrequently been utilized. The authors' goal was to determine how frequently depressive disorders occur after myocardial infarction, and to investigate predisposing factors for such disorders.
Method:
Structured clinical interviews were administered to 129 inpatients within ten days of myocardial infarction. Patients were also evaluated using standardized rating scales for depression, social function, cognition, and physical impairment. DSM-III diagnoses were derived from the structured interview.
Results:
Major depressive syndromes were present in 19 percent (n = 25) of the patients and were associated with prior history of mood disorder, female sex, large infarcts, and functional physical impairment.
Conclusion:
Major depression is common in the acute post-myocardial infarction period. Such disorders confer significant psychiatric morbidity and, if sustained, require psychiatric intervention.