Related Experiment Video
Updated: Jun 4, 2026
04:38
A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats
Published on: May 22, 2019
Patterns of change in depression after stroke.
Glenn V Ostir1, Ivonne-M Berges, Allison Ottenbacher
1Sealy Center on Aging, University of Texas Medical Branch, Galveston, Texas, USA. gostir@utmb.edu
Journal of the American Geriatrics Society
|February 1, 2011
Summary
Tracking changes in depressive symptoms after stroke is crucial for functional recovery. Reduced symptoms correlate with better functional status, highlighting the importance of monitoring mental health post-stroke.
Area of Science:
- Neurology
- Psychiatry
- Rehabilitation Medicine
Background:
- Depression is a common complication following stroke.
- Functional status recovery is a key outcome in stroke rehabilitation.
- The relationship between depressive symptom change and functional recovery requires further investigation.
Purpose of the Study:
- To estimate changes in depressive symptoms post-stroke.
- To determine the influence of depressive symptom changes on functional status recovery.
Main Methods:
- Prospective cohort study involving 544 first-time stroke patients.
- Data collected from 11 inpatient medical rehabilitation facilities.
- General linear regression models assessed associations between depressive symptom change and functional status at 3 and 12 months post-discharge.
Main Results:
- Participants aged 75+ were the majority, predominantly white, female, and married; ischemic stroke was most common.
- For non-depressed participants at discharge, fewer depressive symptoms at 12 months correlated with higher functional status (108.2 vs. 104.6).
- For depressed participants at discharge, reduced depressive symptoms at 12 months significantly improved functional status (100.3 vs. 88.0).
Conclusions:
- Monitoring depressive symptom changes during and after hospitalization is clinically significant.
- Addressing depressive symptoms is a vital aspect of patient care and functional status recovery after stroke.
Related Concept Videos
01:18Depression: 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,...
01:27Depressive 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...
01:27Depressive 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...
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...
01:03Long-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...
Calcium Ion Concentration Mechanism
If over time, all...
01:05Long-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.
01:15Ischemic Stroke ll: Pathophysiology
An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...