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Using Retinal Imaging to Study Dementia
Published on: November 6, 2017
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Diazepam Toxicity Presenting as a Dementia Disorder.
Zimple Kurlawala1, Jeffrey A Roberts2, Joseph D McMillan1
1Department of Neurology, University of Louisville, Louisville, KY, USA.
Journal of Alzheimer'S Disease : JAD
|November 8, 2018
Summary
Long-term benzodiazepine use, like diazepam, can cause dementia-like cognitive deficits in older adults. Discontinuing the drug significantly improved the patient's cognitive function, highlighting potential misdiagnosis risks.
Area of Science:
- Geriatric Medicine
- Clinical Neurology
- Pharmacology
Background:
- Long-standing benzodiazepine use is prevalent in older adults, often at improper doses.
- Epidemiological studies suggest a correlation between benzodiazepine use and dementia risk.
- Benzodiazepines are commonly prescribed for anxiety and sleep disorders in the elderly.
Observation:
- A case report details a patient experiencing cognitive deficits mimicking Alzheimer's disease.
- The patient exhibited symptoms consistent with dementia, potentially exacerbated by age-related cortical atrophy.
- Chronic diazepam (a benzodiazepine) was identified as the likely cause of the cognitive impairment.
Findings:
- Chronic diazepam use can induce cognitive deficits that are clinically indistinguishable from neurodegenerative dementias.
- Systematic investigation was crucial to differentiate drug-induced cognitive impairment from primary dementia.
- Withdrawal from diazepam led to significant improvement in the patient's cognitive function.
Implications:
- This case underscores the importance of medication review in geriatric patients presenting with cognitive decline.
- Misdiagnosis of dementia is a risk in older adults with long-term benzodiazepine exposure.
- Discontinuation of offending benzodiazepine medication can be an effective therapeutic strategy for reversible cognitive impairment.
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