期刊
JOURNAL OF AFFECTIVE DISORDERS
卷 183, 期 -, 页码 113-118出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jad.2015.04.038
关键词
Tobacco; Dependence; Suicide attempt; Inflammation; C-reactive protein
资金
- Foundation FondaMental, Creteil, France
- Investissements d'Avenir Programs [ANR-11-IDEX-0004-02, ANR-10-COHO-10-01]
Background: The aim of our study was to investigate, in bipolar patients, the association between tobacco status (use and dependence) and history of suicide attempt, and to assess the possible role of inflammation as a missing link in the association between smoking status and history of suicide attempt. Methods: A total of 453 adult bipolar out-patients recruited in the French FondaMental Advanced Centres of Expertise for Bipolar Disorder were divided into two subgroups: 274 patients without past history of suicide attempt (non-SA), and 179 patients with a past history of suicide attempt (SA). Tobacco use and dependence, psychiatric and somatic comorbidities, history of childhood abuse, family history of suicide were assessed. Fasting blood tests yielded samples collected for the measurement of high sensitivity (hs-)CRP. Results: The risk of suicide attempt increased with smoking dependence. Notably, bipolar patients with a history of suicide attempt were three times more likely to have severe tobacco dependence, independently of confounding factors. However, we failed to find arguments promoting the hypothesis of inflammatory markers (through hs-CRP measure) in the link between tobacco dependence and suicidal behavior. Conclusions: We found a significant association between severe tobacco dependence and history of suicide attempt, but not with level of CRP, independently of confusing factors. Longitudinal studies taken into account all these potential confusing factors are needed to confirm our results. (C) 2015 Elsevier B.V. All rights reserved
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