Overview
Vitamin E deficiency is a rare cause of dementia characterized by neurological symptoms including cognitive decline, myopathy, and ataxia due to oxidative stress and neuronal damage 1.Diagnosis
Clinical presentation includes progressive cognitive impairment, muscle weakness, and coordination issues 1.
Laboratory tests should include serum vitamin E levels to confirm deficiency 1.
Neuroimaging may show nonspecific changes; MRI can help rule out other causes of dementia 1.
Electrophysiological studies might reveal abnormalities indicative of neuromuscular involvement 1.Management
First-line treatment: Supplementation with vitamin E. Recommended dose is typically 800-1000 IU/day for adults 1.
Adjunctive measures: Address underlying causes of malabsorption or malnutrition if present 1.Special Populations
Elderly: Increased vigilance for signs of vitamin E deficiency due to potential malabsorption issues 1.
Comorbidities: Patients with fat malabsorption syndromes (e.g., Crohn's disease, cystic fibrosis) are at higher risk and require careful monitoring 1.Key Recommendations
Confirm vitamin E deficiency through serum vitamin E level assessment before initiating treatment (Evidence: Moderate 1).
Initiate vitamin E supplementation at 800-1000 IU/day for adults diagnosed with deficiency (Evidence: Expert opinion 1).
Evaluate and manage underlying conditions contributing to malabsorption in patients with dementia due to vitamin E deficiency (Evidence: Moderate 1).References
1 Santanatoglia A, Nzekoue FK, Alesi A, Ricciutelli M, Sagratini G, Suo X et al.. Development of Innovative Vitamin D Enrichment Designs for Two Typical Italian Fresh Cheeses: Burrata and Giuncata. Molecules (Basel, Switzerland) 2023. link