Association of atypical antipsychotics and mortality for patients hospitalised with pneumonia

Zachary Boivin, Mario F. Perez, Nkiruka C. Atuegwu, Mark Metersky, Carlos A. Alvarez, Antonio Anzueto, Eric M. Mortensen

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Introduction: Atypical antipsychotics are commonly used in patients with psychiatric conditions and dementia. They are also frequently used in patients being admitted with pneumonia; however, there are few safety data. The purpose of this study was to examine whether atypical antipsychotic use prior to admission is associated with increased mortality in patients with pneumonia. Methods: We conducted a retrospective cohort study of hospitalised patients with pneumonia over a 10- year period. We included patients 65 years or older and hospitalised with pneumonia. For our primary analysis, we used propensity score matching to balance confounders between atypical antipsychotic users and nonusers. Results: There were 102 897 patients and 5977 were taking atypical antipsychotics. After matching there were 5513 users and 5513 nonusers. Atypical antipsychotic use was associated with increased odds of 30- day (OR 1.20, 95% CI 1.11–1.31) and 90-day mortality (1.19, 1.09–1.30). Conclusion: In patients 65 years or older that are hospitalised with pneumonia, we found an association between atypical antipsychotic use and increased odds of mortality. This was particularly pronounced for patients with pre-existing psychiatric or cardiac conditions. We suggest closely monitoring patients who use these medications and minimising their use in older adult patients.

Original languageEnglish (US)
Article number00223-2018
JournalERS Monograph
Issue number4
StatePublished - Jan 1 2019

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine


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