AUTHOR: Joseph S. Kass, MD, JD, FAAN
Korsakoff psychosis (KP) is a disorder of declarative learning and memory that results from thiamine deficiency, largely (90%) secondary to chronic alcohol abuse in industrialized nations. It is classically, but not always, seen following the presentation of Wernicke encephalopathy (see Wernicke Syndrome).
Alcoholic polyneuritic psychosis
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KP is the result of thiamine deficiency. Thiamine deficiency is commonly seen in chronic alcoholism and other malnourished populations (anorexia, bariatric surgery, malignancy). It may also occur from prolonged infusion of dextrose-containing fluids without thiamine repletion.
A supervised environment may be required.
Alcohol Use Disorder (Related Key Topic)
Delirium (Related Key Topic)
Vitamin Deficiency (Hypovitaminosis) (Related Key Topic)
Wernicke Syndrome (Related Key Topic)