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Published on: December 2, 2015
Depression and ischemic heart disease: what have we learned from clinical trials?
1Department of Internal Medicine, Duke University Medical Center, Durham, North Carolina 27710, USA.
Insights
Depression significantly impacts patients with ischemic heart disease (IHD), increasing mortality and cardiovascular events, especially in women. While some antidepressants show promise, more research is needed to confirm if treating depression improves IHD outcomes.
Area of Science:
- Cardiology
- Psychiatry
- Clinical Medicine
Background:
- Depression is highly prevalent in patients with ischemic heart disease (IHD).
- Depression independently predicts a poor prognosis in IHD patients, comparable to traditional cardiac risk factors.
Purpose of the Study:
- To discuss the complex relationship between depression and ischemic heart disease.
- To review the impact of depression on IHD prognosis and the efficacy of various treatments.
Main Methods:
- Review of studies examining depression prevalence in IHD patients.
- Analysis of research on the impact of depression on cardiovascular outcomes.
- Evaluation of pharmacological and psychological interventions for depression in IHD.
Main Results:
- Depression significantly increases mortality and cardiovascular events, particularly in women with IHD.
- Sertraline and citalopram are safe and effective for depression in IHD patients; mirtazapine showed limited efficacy post-myocardial infarction.
- Cognitive-behavioral and interpersonal therapies demonstrated no significant treatment effect.
Conclusions:
- Approximately 25-30% of IHD patients experience depression.
- Effective treatment of depression may enhance the prognosis for IHD patients.
- Further research with adequate statistical power is required to fully ascertain the cardiovascular benefits of depression interventions in IHD.
Purpose Of Review:
Discuss the interplay of depression and ischemic heart disease. Studies demonstrate high prevalence of depression and its negative impact among patients with ischemic heart disease.
Recent Findings:
Results extend previous findings among men, demonstrating a significant increase in mortality and cardiovascular events among depressed women. Sertraline, citalopram and mitrazapine have been shown to be safe and well tolerated in patients with ischemic heart disease. Sertraline and citalopram have demonstrated efficacy for treating depression in such patients. Mirtazapine did not have significant efficacy on post-myocardial infarction depression. Cognitive-behavioral therapy and interpersonal therapy have not been found to have a significant treatment effect. Treating depression may have an impact on cardiovascular morbidity and mortality, but this has not yet been adequately studied. Studies to date lack sufficient statistical power to fully examine the impact of interventions for depression on cardiovascular outcomes.
Summary:
Cardiologists encounter depression among 25-30% of their patients with ischemic heart disease. Depression is an independent risk factor for poor prognosis among ischemic heart disease patients, at a level comparable to several conventional cardiac risk factors. Adequate treatment of depression may improve the poor prognosis of depressed patients with ischemic heart disease.
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