Incidence and risk factors of poststroke depression in patients with acute ischemic stroke: A 1-year prospective study in Taiwan
2016
Ching-Shu Tsai | Chen-Long Wu | Tai-Hsin Hung | Shih-Yong Chou | Jian-An Su
Background: Poststroke depression (PSD) is one of the most frequent and devastating neuropsychiatric consequences of stroke. The purpose of this study was to investigate the incidence and risk factors for PSD in a general hospital in Taiwan.Methods: One hundred and one patients with ischemic stroke were enrolled initially, and 91 (90.1%) completed the 1-year study. Assessments were performed at baseline, and at the 1st, 3rd, 6th, 9th, and 12th month after enrolment. The definition of PSD was in accordance with the diagnostic criteria of major depressive episode in the Diagnostic and Statistical Manual, fourth edition (DSM-IV).Results: The accumulated incidence rates of PSD at the 1st, 3rd, 6th, and 9th, month were 4%, 8%, 9%, and 10%, respectively, and the overall incidence at 1 year was 11%. In multivariate regression analysis, female gender, higher depression score, and severity of stroke were significant risk factors. In subgroup analysis, a higher depression score was significantly associated with PSD, regardless of gender; however, stroke severity was a risk factor only in the female group.Conclusion: The 1-year incidence of PSD was 11%, based on the DSM-IV diagnostic criteria. More attention should be paid to patients with more risk factors to enable earlier detection and intervention.
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