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Association of Antipsychotic Use With Mortality Risk in Patients With Parkinson Disease.


ABSTRACT: As many as 60% of patients with Parkinson disease (PD) experience psychosis, 80% develop dementia, and the use of antipsychotics (APs) in the population with PD is common. The use of APs by patients with dementia in the general population is associated with increased mortality, but whether this risk extends to patients with PD remains unknown.To determine whether AP use in patients with PD is associated with increased mortality.This retrospective matched-cohort study used data from a Veterans Health Administration database from fiscal years 1999 to 2010 to examine the risk associated with AP use in a cohort of patients with idiopathic PD and recent stable physical health. The rates of 180-day mortality were compared in 7877 patients initiating AP therapy and 7877 patients who did not initiate AP therapy (matched for age ±2.5 years, sex, race, index year, presence and duration of dementia, PD duration, delirium, hospitalization, Charlson Comorbidity Index, and new nonpsychiatric medications). Data were analyzed from October 19, 2012, to September 21, 2015.Mortality rates at 180 days in those patients who initiated AP therapy compared with matched patients who did not use APs. Cox proportional hazards regression models were used with intent-to-treat (ITT) and exposure-only analyses.The study population included 7877 matched pairs of patients with PD (65 women [0.8%] and 7812 men [99.2%] in each cohort; mean [SD] age, 76.3 [7.7] years for those who initiated AP therapy and 76.4 [7.6] years for those who did not). Antipsychotic use was associated with more than twice the hazard ratio (HR) of death compared with nonuse (ITT HR, 2.35; 95% CI, 2.08-2.66; P?

SUBMITTER: Weintraub D 

PROVIDER: S-EPMC5157923 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature

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Association of Antipsychotic Use With Mortality Risk in Patients With Parkinson Disease.

Weintraub Daniel D   Chiang Claire C   Kim Hyungjin Myra HM   Wilkinson Jayne J   Marras Connie C   Stanislawski Barbara B   Mamikonyan Eugenia E   Kales Helen C HC  

JAMA neurology 20160501 5


<h4>Importance</h4>As many as 60% of patients with Parkinson disease (PD) experience psychosis, 80% develop dementia, and the use of antipsychotics (APs) in the population with PD is common. The use of APs by patients with dementia in the general population is associated with increased mortality, but whether this risk extends to patients with PD remains unknown.<h4>Objective</h4>To determine whether AP use in patients with PD is associated with increased mortality.<h4>Design, setting, and partic  ...[more]

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