Conclusions Despite the limitations inherent in retrospective chart reviews, the present findings clearly suggest that the risk for TD is serious at any age. A comparison of typical and atypical neuroleptics was not addressed in this study. Because of the limitations in conducting retrospective chart reviews, baseline measures were not available for all patients. The sample size was small, and thus these results must be confirmed by research with a larger sample. Neuroleptic drug-induced extrapyramidal syndromes and tardive dyskinesia.
Research diagnoses for tardive dyskinesia.
Manuscript received January 1998, revised, and accepted May 1998. A version of this article was presented at the World Psychiatric Association regional meeting, Rome, Italy, June 13, 1997. 3 Nurse Clinician, Psychosis Clinic, The Hospital for Sick Children, Toronto, Ontario. 4 Director, Psychosis Clinic, The Hospital for Sick Children, Toronto, Ontario.