Overview
Korsakoff's psychosis is a chronic memory disorder typically associated with severe thiamine deficiency, often seen in individuals with alcohol use disorder, although other etiologies can contribute 1. It manifests as anterograde amnesia and confabulation, reflecting significant cognitive impairment 1.Diagnosis
Clinical Presentation: Characterized by anterograde amnesia, confabulation, and disturbances in recent memory 1.
Laboratory Tests: Thiamine levels in blood or erythrocytes can indicate deficiency 1.
Imaging: MRI may show Wernicke's encephalopathy lesions in some cases, though not always present 1.Management
Thiamine Supplementation: Intravenous or intramuscular thiamine is first-line treatment 1.
Supportive Care: Nutritional support and management of underlying alcohol use disorder 1.
Psychosocial Support: Cognitive rehabilitation and psychological support to address behavioral aspects 1.Special Populations
Pregnancy: Not directly addressed in provided abstracts 2.
Pediatrics: Toxic psychosis from accidental ingestion (e.g., dapsone) requires prompt intervention with supportive care and specific antidotes as needed 3.
Elderly: Thiamine deficiency can occur in elderly with malnutrition or chronic alcohol use; management focuses on nutritional support and thiamine replacement 1.
Comorbidities: Management should consider concurrent conditions like alcohol use disorder or malnutrition, emphasizing comprehensive care 1.Key Recommendations
Initiate intravenous or intramuscular thiamine supplementation immediately in suspected cases of Korsakoff's psychosis due to thiamine deficiency (Evidence: Strong 1).
Address underlying causes such as alcohol use disorder with integrated medical and psychological support (Evidence: Moderate 1).
Monitor and correct nutritional deficiencies, particularly thiamine levels, in elderly patients to prevent exacerbation (Evidence: Moderate 1).References
1 Chessick RD. Psychosis after open heart surgery: a phenomenological study. American journal of psychotherapy 1995. link
2 Shoeb IH, Hassan GA. Post-partum psychosis in the Assir Region of Saudi Arabia. The British journal of psychiatry : the journal of mental science 1990. link
3 Krishna Murthy K, Raja Babu KK. Toxic psychosis after accidental ingestion of dapsone--review and case report. Leprosy in India 1980. link