Chronic dopaminergic sensitivity after Sydenham's chorea

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Abstract
We studied psychometric performance on the Minnesota Multiphasic Personality Inventory (MMPI) mini-mult and drug-induced choreic reactions in a group of patients with a history of Sydenham's chorea. Action tremor, motor signs, and residual chorea were common. One-half of the patients reported adverse choreic reactions to one or more agents. Patients with adverse reactions to central stimulants and anorectics had statistically significant elevations in the psychotic tetrad of the MMPI. Sydenham's chorea in childhood seems to confer persistent sensitivity to agents that augment central dopaminergic activity, which may be expressed as acute chorea. Central dopaminergic sensitivity may explain earlier reports of psychologic difficulties in survivors of rheumatic chorea.

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