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Risk of Mortality Among Patients Treated With Antipsychotic Medications: A Nationwide Population-Based Study in Taiwan.

Abstract：

:In this nationwide population-based study, we examined whether haloperidol exposure is associated with a higher risk of mortality than are other antipsychotic medications. Patients who newly received monotherapy with chlorpromazine (n = 2133), haloperidol (n = 4454), quetiapine (n = 1513), and risperidone (n = 1046) between January 1, 2001, and December 31, 2011, were selected from a random sample of the 1 million enrollees of the Taiwan National Health Insurance Research Database. The association between antipsychotic prescription and mortality was estimated through Cox proportional hazard regression. To examine the mortality rates of antipsychotics at different exposure durations, we compared the differences among short-term (≤30 days), midterm (31-90 days), and long-term (>90 days) antipsychotic use. The mortality rates during the follow-up among the chlorpromazine, haloperidol, quetiapine, and risperidone groups were 17.4%, 45.5%, 26.8%, and 25.9%, respectively. The mortality risk among patients receiving haloperidol was the highest within 30 days of the prescription, after which the risk reduced rapidly. Compared with the patients receiving chlorpromazine, the mortality risk was higher in short-term (adjusted hazard ratio, 2.11; 95% confidence interval, 1.87-2.39) and midterm haloperidol users (1.86; 1.54-2.25) than in long-term users (0.99; 0.61-1.61). In conclusion, haloperidol use is associated with higher mortality risk than other antipsychotic medications. The mortality risk varies according to the duration of drug exposure. Underlying characteristics and medical conditions may influence the estimation of the mortality risk. Clinicians should pay attention to the mortality risk when prescribing antipsychotic medications, particularly for the elderly and critically ill patients.

journal_name

J Clin Psychopharmacol

journal_title

Journal of clinical psychopharmacology

authors

Wang LJ,Lee SY,Yuan SS,Yang KC,Yang CJ,Lee TL,Shyu YC

doi

10.1097/JCP.0000000000000451

subject

Has Abstract

pub_date

2016-02-01 00:00:00

pages

9-17

issue

eissn

0271-0749

issn

1533-712X

journal_volume

pub_type

杂志文章

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Risk of Mortality Among Patients Treated With Antipsychotic Medications: A Nationwide Population-Based Study in Taiwan.