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Niznik JD, Zhao X, He M, Aspinall SL, Hanlon JT, Nace D, Thorpe JM, Thorpe CT. Impact of deprescribing AChEIs on aggressive behaviors and antipsychotic prescribing. Alzheimer's & dementia : the journal of the Alzheimer's Association. 2020 Feb 13.
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Abstract: INTRODUCTION: We evaluated the impact of deprescribing acetylcholinesterase inhibitors (AChEIs) on aggressive behaviors and incident antipsychotic use in nursing home (NH) residents with severe dementia. METHODS: We conducted a retrospective study of Medicare claims, Part D, Minimum Data Set for NH residents aged 65+ with severe dementia receiving AChEIs in 2016. Aggressive behaviors were measured using the aggressive behavior scale (ABS; n = 30,788). Incident antipsychotic prescriptions were evaluated among antipsychotic non-users (n = 25,188). Marginal structural models and inverse probability of treatment weights were used to evaluate associations of AChEI deprescribing and outcomes. RESULTS: The severity of aggressive behaviors was low at baseline (mean ABS = 0.5) and was not associated with deprescribing AChEIs (0.002 increase in ABS, P = .90). Incident antipsychotic prescribing occurred in 5.1% of residents and was less likely with AChEI deprescribing (adjusted odds ratio = 0.52 [0.40-0.68], P < .001]). DISCUSSION: Deprescribing AChEIs was not associated with a worsening of aggressive behaviors or incident antipsychotic prescriptions.

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