The Course of Tardive Dyskinesia in Patients on Long-Term Neuroleptics

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Abstract
Results are presented of five consecutive annual examinations using the Abnormal Involuntary Movement Scale for 101 community-based chronic psychiatric patients. These 101 patients had a history of longer and more consistent neuroleptic treatment than the 231 patients who initially entered the study, so no conclusions about prevalence of TD can be drawn. At each examination two-thirds of this group showed signs of TD; however, only 45% were TD positive at most examinations and 24% were best described as having fluctuating TD status. Of those patients who were consistently TD positive, 82% showed no overall significant change in summed AIMS scores, 11% improved and 7% became worse.

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