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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
Is depression a problem in patients with chronic heart failure?
Bozena Szyguła-Jurkiewicz1, Agata Duszańska, Lech Poloński
1III Department of Cardiology, Medical University of Silesia, Katowice, Poland. b.szygula@sccs.pl
Insights
Depression is common in heart failure patients due to shared mechanisms. Screening for depression is crucial for better outcomes in heart failure patients and those at risk.
Area of Science:
- Cardiology
- Psychiatry
- Clinical Medicine
Background:
- Depression is a common mood disorder impacting daily life and pleasure.
- Shared pathophysiological mechanisms link depression and heart failure, including neurohormonal activation and inflammation.
- Depression diagnosis is challenging due to overlapping symptoms with general fatigue and reduced exercise tolerance.
Purpose of the Study:
- To highlight the frequent co-occurrence of depression in heart failure patients.
- To underscore the impact of depression on heart failure prognosis and patient-doctor cooperation.
- To advocate for depression screening in heart failure patients and those at risk.
Main Methods:
- Review of existing literature on depression and heart failure.
- Analysis of shared pathophysiological mechanisms between the two conditions.
- Discussion of diagnostic challenges and treatment considerations.
Main Results:
- Depression frequently coexists with heart failure, influenced by shared biological pathways.
- Patient-doctor cooperation and adherence to treatment are negatively affected by depression.
- Antidepressant therapy's safety and efficacy in cardiovascular disease patients remain under-researched.
Conclusions:
- Depression significantly impacts heart failure prognosis and requires careful management.
- Screening for depression is recommended for heart failure patients and individuals at risk.
- Further research is needed on the efficacy and safety of depression treatments in cardiovascular patients.
Abstract:
Depression is a common psychiatric disorder, characterized by a persistent lowering of mood, loss of interest in routine activities and diminished ability to experience pleasure. There are several depression classification systems and diagnostic tools based on clinical symptoms, i.e. the International Classification of Diseases (ICD-10), the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), the Hamilton Depression Rating Scale, the Montgomery-Asberg Scale and Beck's Depression Inventory. Depression frequently occurs in patients with heart failure, as similar pathophysiological mechanisms of neurohormonal activation, arrhythmia, inflammation and hypercoagulation are present in both these diseases. Prognosis in patients with depression is also affected by insufficient cooperation between a patient and his doctor as regards the lifestyle and medication intake of a patient. Depression is usually accompanied by remission and relapse periods which might be related to the current heart failure status of a patient and despite intensive medical treatment they may recur. Depression is often difficult to diagnose or even left undiagnosed and thus untreated, because its symptoms: fatigue, apathy and decreased exercise tolerance, are common in the general population. Furthermore, safety and efficacy of antidepressant therapy in patients with cardiovascular diseases are not well established. Evidence from clinical trials evaluating the influence of depression behavioral and pharmacological treatment on morbidity and mortality in patients with heart failure is also limited. Taking into account that depression affects prognosis in patients with variety of disorders and common pathological mechanisms present both in depression and heart failure, screening tests for depression should be considered not only in patients with diagnosed heart failure but also those at risk of heart failure development.
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