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Head trauma and Alzheimer's disease
Rishi D S Nandoe1, Philip Scheltens, Piet Eikelenboom
1Department of Neurology, Vrije Universiteit Medical Centre, Amsterdam, the Netherlands.
Journal of Alzheimer'S Disease : JAD
|November 26, 2002
Summary
A mild concussion may precede Alzheimer's disease diagnosis. This case highlights the potential role of inflammation and apolipoprotein E4 genotype in disease development after head trauma.
Area of Science:
- Neuroscience
- Neurology
- Gerontology
Background:
- Alzheimer's disease (AD) is a progressive neurodegenerative disorder.
- The etiology of AD is multifactorial, involving genetic and environmental factors.
- Traumatic brain injury (TBI) has been investigated as a potential risk factor for AD.
Observation:
- A 55-year-old woman was diagnosed with Alzheimer's disease 1.5 years post-mild concussion from a car accident.
- No prior cognitive decline was reported before the traumatic brain injury.
- The patient's apolipoprotein E4 (APOE4) genotype was identified.
Findings:
- This case report explores the potential link between mild TBI and the subsequent development of AD.
- The patient's APOE4 genotype may influence susceptibility to AD following head trauma.
- Neuroinflammation triggered by TBI is considered a plausible mechanism.
Implications:
- This case underscores the importance of considering TBI history in AD diagnosis.
- Further research into the inflammatory pathways following TBI is warranted.
- Understanding the role of genetic factors like APOE4 in TBI-related AD is crucial for risk assessment and potential interventions.