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Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury
Published on: January 20, 2023
Fatigue and traumatic brain injury.
1Service de Médecine Physique et de Réadaptation et Inserm-UPMC U 742, Université de Versailles-Saint-Quentin, Hôpital Raymond-Poincaré, APHP, 92380, Garches, France.
Summary
Fatigue significantly impacts traumatic brain injury (TBI) patients, affecting 43-73%. Its complex causes include neuroendocrine issues and attention deficits, with no current treatments established.
Area of Science:
- Neuroscience
- Clinical Medicine
- Rehabilitation Medicine
Background:
- Fatigue is a common and debilitating symptom following traumatic brain injury (TBI).
- The underlying mechanisms of TBI-related fatigue are multifactorial and not fully understood.
- Existing literature highlights the prevalence and impact of fatigue in TBI survivors.
Purpose of the Study:
- To review the existing literature on fatigue in TBI patients.
- To identify common assessment tools for TBI-related fatigue.
- To explore potential contributing factors and the current state of treatment.
Main Methods:
- A literature review was conducted using keywords such as "brain injury," "depression," "neuroendocrine dysfunction," and "treatment."
- Studies evaluating fatigue in TBI patients were identified and analyzed.
- Five distinct fatigue assessment scales were identified, including the Barrow Neurological Institute (BNI) Fatigue Scale and the Cause of Fatigue (COF) Questionnaire, specifically designed for brain-injured populations.
Main Results:
- Fatigue affects a significant portion of TBI patients, ranging from 43% to 73%.
- Fatigue is not strongly correlated with injury severity or time elapsed since injury.
- Potential contributing factors include attention deficits, slowed processing, sleep disturbances, depression, and subclinical pituitary insufficiency (e.g., growth hormone and hypocortisolism).
Conclusions:
- Fatigue is a prevalent and complex issue in TBI survivors.
- While several factors are implicated, the exact relationship between fatigue and depression remains debated.
- There are currently no published studies detailing effective treatments for fatigue after TBI, indicating a critical gap in clinical management.
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