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Is Spontaneous Orofacial Dyskinesia an Artefact Due to Incomplete Drug History?One percent of elderly people living outside of institutions have spontaneous dyskinesia. Patients in institutions have an average prevalence of 5% for this disorder, with some rates as high as 37%. It is possible that many institutional cases are in fact occult tardive dyskinesia related to past antipsychotic drug use. A survey of an institutional sample of elderly pa tients revealed a much higher rate of past exposure to antipsychotics (86%) than of current use (26%) in organically im paired patients. Despite a high prevalence of dyskinesia, no cases were found without past exposure to antipsychotics. (J Geriatr Psychiatry Neurol 1990;3:208-211).
Journal of Geriatric Psychiatry and Neurology, Vol. 3, No. 4,
208-211 (1990) This article has been cited by other articles:
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