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Risk analysis of use of different classes of antidepressants on subsequent dementia: A nationwide cohort study in Taiwan.

ABSTRACT: Depression and dementia are common mental health problems and are associated in several ways. Early-life depression is associated with increased risk of later life dementia, and depression can present as a preclinical symptom or consequence of dementia. Despite the plausible relationship between these two clinical entities, the potential association between antidepressant medication and dementia has rarely been investigated. We conducted a 9-year retrospective analysis of Taiwan's National Health Insurance Research Database (NHIRD), enrolling 5819 cases who had received prescriptions of antidepressants between 2003 and 2006, and 23,276 (with ratio of 1:4) age, sex, and index date-matched controls. The hazard ratio (HR) of dementia among antidepressant users with depression was 2.42 (95% confidence interval (CI): 1.15-5.10), for those without depression was 4.05 (95% CI: 3.19-5.15), compared to antidepressant non-users respectively. Among the 6 classes of common antidepressants used in Taiwan, the adjusted HRs were 3.66 (95% CI: 2.62-5.09) for SSRIs, 4.73 (95% CI: 2.54-8.80) for SNRI, 3.26 (95% CI: 2.30-4.63) for TCAs, 6.62 (95% CI: 3.34-13.13) for TeCA, 4.94 (95% CI: 2.17-11.24) for MAOI, and 4.48 (95% CI: 3.13-6.40) for SARI. Furthermore, the multivariate analysis result showed that the adjusted HRs of cumulative defined daily doses (cDDDs) were 3.74 (95% CI: 2.91-4.82), 3.73 (95% CI: 2.39-5.80) and 5.22 (95% CI: 3.35-8.14) for those who had cDDDs of <90, 90-180 and >180 compared to those who had taken no antidepressant medication. This is a retrospective study based on secondary data, hence, we could not claim causality between antidepressant medication and dementia. However, a potential association between antidepressant and occurrence of dementia after controlling for the status of depression was observed. Lack of patients' data about smoking status and body mass index in NHIRD, which are considered related to dementia, was also a limitation in this study. In this study, we concluded that antidepressant medication is a potential risk factor for dementia, independent from any effect of depression itself.

SUBMITTER: Then CK

PROVIDER: S-EPMC5383251 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Risk analysis of use of different classes of antidepressants on subsequent dementia: A nationwide cohort study in Taiwan.

Then Chee-Kin CK Chi Nai-Fang NF Chung Kuo-Hsuan KH Kuo Lynn L Liu Kao-Hui KH Hu Chaur-Jong CJ Shen Shing-Chuan SC Lin Yen-Kuang YK

PloS one 20170406 4

Depression and dementia are common mental health problems and are associated in several ways. Early-life depression is associated with increased risk of later life dementia, and depression can present as a preclinical symptom or consequence of dementia. Despite the plausible relationship between these two clinical entities, the potential association between antidepressant medication and dementia has rarely been investigated. We conducted a 9-year retrospective analysis of Taiwan's National Healt ...[more]

PMID: 28384235

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Project description:ObjectiveTo examine the association between paternal antidepressant use at conception and offspring preterm birth, malformations, autism spectrum disorder, and intellectual disability.DesignObservational prospective cohort study with regression methods, and negative control comparison.SettingSweden nationwide.Participants170?508 children conceived from 29 July 2005 and born in 2006-07, followed up to 2014 at age 8-9 years. This cohort included 3983 children born to fathers receiving antidepressant treatment during the conception period (that is, from four weeks before conception to four weeks after), a control group of 164?492 children not exposed to paternal antidepressant use, and a negative control comparison group of 2033 children born to fathers who did not use antidepressants during the conception period but began antidepressant treatment later during the pregnancy period (that is, from four weeks after conception to childbirth).Main outcome measureOffspring preterm birth, malformation diagnosed at birth, diagnosis of autism spectrum disorder, and diagnosis of intellectual disability.ResultsPaternal antidepressant use during conception was not associated with preterm birth (adjusted odds ratio 0.91 (95% confidence interval 0.79 to 1.04)) or malformations (1.06 (0.90 to 1.26)) using logistic regression, compared with offspring born to unexposed fathers. No association was seen between antidepressant use during conception and autism (adjusted hazard ratio 1.13 (0.84 to 1.53)) or intellectual disability (0.82 (0.51 to 1.31)) using Cox regression. In children whose fathers initiated antidepressant treatment during pregnancy, results were similar for all outcomes apart from intellectual disability, which had an increased adjusted hazard ratio (1.66 (1.06 to 2.59)). Compared with the 2033 children whose fathers initiated antidepressant treatment during pregnancy, the 3983 children exposed to paternal use of antidepressants at conception had no differences in preterm birth, malformation, and autism, but a reduced risk of intellectual disability (adjusted hazard ratio 0.49 (0.26 to 0.93)).ConclusionPaternal intake of antidepressants during the period around conception is safe with respect to the risk of the four major adverse outcomes in offspring-preterm birth, malformation, autism, or intellectual disability.

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Risk analysis of use of different classes of antidepressants on subsequent dementia: A nationwide cohort study in Taiwan.

Publications

Risk analysis of use of different classes of antidepressants on subsequent dementia: A nationwide cohort study in Taiwan.

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