Pariente et al1 conducted a retrospective study of prescription claims data and found that, in elderly patients receiving anticholinesterase medications, antipsychotic dispensing was associated with an increased risk of myocardial infarction only during the first 2 months following antipsychotic initiation; in matched cohort and self-controlled analyses, there was no statistically significant elevation in infarction risk during subsequent periods, extending to a year after antipsychotic initiation and beyond.
Andrade C, Fernandes PP. Antipsychotic Drugs and Myocardial Infarction in Patients With Dementia. Arch Intern Med. 2012;172(18):1428–1429. doi:10.1001/archinternmed.2012.3761
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