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An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents
Published on: December 2, 2015
Depression and cardiovascular disorders
Mary A Whooley1, Jonathan M Wong
1Department of Medicine, University of California, San Francisco, California 94143, USA. mary.whooley@ucsf.edu
Insights
Depression significantly increases cardiovascular disease risk and adverse cardiac events. Early screening and treatment of depression are crucial for managing heart health.
Area of Science:
- Cardiology
- Psychiatry
- Epidemiology
Background:
- Depression is highly prevalent in cardiovascular disease (CVD) patients.
- Depression acts as a risk factor for developing CVD in healthy individuals.
- Depression predicts poor outcomes, including myocardial infarction and death, in those with existing CVD.
Purpose of the Study:
- To review epidemiological literature on depression and cardiovascular disorders.
- To discuss the mechanisms underlying the depression-cardiovascular link.
- To examine current recommendations for screening, diagnosis, and management of depression in cardiac patients.
Main Methods:
- Review of key epidemiological studies.
- Analysis of mechanistic research.
- Examination of clinical trial data on antidepressant therapies.
Main Results:
- Established link between depression and increased CVD prevalence and risk.
- Identified poor health behaviors (inactivity, nonadherence, smoking) as key contributors.
- Evidence suggests antidepressant therapies may improve cardiac outcomes.
Conclusions:
- American Heart Association recommends routine depression screening for coronary heart disease patients.
- Further research into new therapeutic strategies for depression in CVD is warranted.
- Integrated management of depression is essential for cardiovascular patient care.
Abstract:
During the past two decades, research in the field of depression and cardiovascular disorders has exploded. Multiple studies have demonstrated that depression is more prevalent in populations with cardiovascular disease, is a robust risk factor for the development of cardiovascular disease in healthy populations, and is predictive of adverse outcomes (such as myocardial infarction and death) among populations with preexisting cardiovascular disease. Mechanistic studies have shown that poor health behaviors, such as physical inactivity, medication nonadherence, and smoking, strongly contribute to this association. Small randomized trials have found that antidepressant therapies may improve cardiac outcomes. Based on this accumulating evidence, the American Heart Association has recommended routine screening for depression in all patients with coronary heart disease. This review examines the key epidemiological literature on depression and cardiovascular disorders and discusses our current understanding of the mechanisms responsible for this association. We also examine current recommendations for screening, diagnosis, and management of depression. We conclude by highlighting new research areas and discussing therapeutic management of depression in patients with cardiovascular disorders.
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