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Related Concept Videos

Depression: Overview01:18

Depression: Overview

Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
Depressive Disorders: MDD and Dysthymia01:27

Depressive Disorders: MDD and Dysthymia

Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
Long-term Depression01:03

Long-term Depression

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over time, all...
Long-term Depression01:05

Long-term Depression

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Depressive Disorders: Etiology01:27

Depressive Disorders: Etiology

Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...

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An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents
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Published on: December 2, 2015

Depression and the heart.

R K Saran1, Aniket Puri, Manu Agarwal

  • 1Department of Cardiology, CSM Medical University, Lucknow, India. rksaran@sify.com

Indian Heart Journal
|August 30, 2012
PubMed
Summary
This summary is machine-generated.

Cardiovascular disease (CVD) and depression are common, impacting quality of life. Depression is linked to increased cardiac events and mortality, particularly in coronary artery disease (CAD) patients.

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Area of Science:

  • Cardiology
  • Psychiatry
  • Public Health

Background:

  • Cardiovascular disease (CVD) and major depression are prevalent, significantly reducing quality of life and increasing healthcare costs.
  • Depression is associated with a higher incidence of angina and myocardial infarction.
  • Emerging evidence suggests depression is a risk factor for cardiac mortality in patients with established coronary artery disease (CAD).

Purpose of the Study:

  • To highlight the significant bidirectional relationship between cardiovascular disease (CVD) and major depression.
  • To emphasize the need for increased research attention on the 'vicious cycle' linking CVD and depression.

Main Methods:

  • Literature review and synthesis of existing evidence on the comorbidity of CVD and depression.
  • Analysis of epidemiological data and clinical studies investigating the impact of depression on cardiac outcomes.
  • Exploration of the 'vicious cycle' hypothesis through existing research findings.

Main Results:

  • Depression is a significant risk factor for developing cardiac events, including angina and myocardial infarction.
  • Patients with established coronary artery disease (CAD) and depression face an elevated risk of cardiac mortality.
  • A cyclical relationship exists where CVD exacerbates depression, and depression worsens CVD prognosis.

Conclusions:

  • The interplay between cardiovascular disease and depression warrants greater investigation by both cardiology and psychiatric fields.
  • Understanding and addressing the 'vicious cycle' is crucial for improving patient outcomes and reducing the burden of these conditions.
  • Integrated care approaches may be beneficial for patients suffering from comorbid CVD and depression.