Mortality in patients with schizophrenia admitted for incident ischemic stroke: A population-based cohort study,European Neuropsychopharmacology

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Mortality in patients with schizophrenia admitted for incident ischemic stroke: A population-based cohort study
European Neuropsychopharmacology ( IF 5.6 ) Pub Date : 2020-02-01 , DOI: 10.1016/j.euroneuro.2019.12.107
Nicholas Chak Lam Yung ₁ , Corine Sau Man Wong ₁ , Joe Kwun Nam Chan ₁ , Philip Chi Fai Or ₂ , Eric Yu Hai Chen ₃ , Wing Chung Chang ₃

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Evidence shows that schizophrenia is associated with increased incidence of stroke. However, relationship between schizophrenia and short-term mortality risk is understudied, and mixed findings were observed. In this retrospective population-based cohort study, we identified individuals admitted for incident ischemic stroke between 2006 and 2016 using a territory-wide electronic medical record database of public healthcare system in Hong Kong to examine 30-day and 1-year mortality rates in 817 schizophrenia patients compared with 8170 patients without psychotic disorder (10:1 matched to schizophrenia patients on demographics, treatment sites and calendar-period for index admission). Multivariate regression analyses adjusting for medical comorbidities revealed that schizophrenia patients experienced elevated 1-year (16.9% vs 12.1%; p < 0.001) and 30-day mortality (7.2% vs 5.3%; p = 0.053) relative to control group. Additional age- and gender-stratified analyses revealed even more pronounced effect of schizophrenia on raised mortality risk, as indicated by higher odds, in younger-age (<65 years) group and men. Our results indicate that schizophrenia is associated with heightened short-term mortality following incident ischemic stroke. Further research is warranted to identify factors contributing to excess post-stroke deaths among schizophrenia patients to facilitate development of effective interventions for mortality risk reduction.

更新日期：2020-02-01

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