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Serum lipids, metabolic syndrome and lifetime suicide attempts in patients with bipolar disorder.

Abstract：

OBJECTIVE:Bipolar disorder is associated with a high risk of suicide. Many clinical characteristics and, recently, biomarkers have been studied with the aim to find useful predictors of suicidality. The role of serum lipids has also been explored albeit with conflicting results; however, few studies have been focused on patients with bipolar disorder. Aim of our study is to investigate whether serum cholesterol, triglycerides, HDL-c and metabolic syndrome are associated with lifetime suicide attempts in a large naturalistic sample of patients with bipolar disorder. METHODS:220 patients with bipolar disorder were included. History of lifetime suicide attempts was systematically and retrospectively assessed for each patient. Blood exams testing total cholesterol, triglycerides, and HDL-c levels were performed, and metabolic syndrome was diagnosed according to NCEP ATP-III modified criteria. Serum lipid levels and metabolic syndrome were compared in patients with or without history of suicide attempt. According to a theory that links impulsivity and violence with low cholesterol, the association between lipid levels and violent suicidal behavior was also assessed. RESULTS:Lifetime suicide attempts rate was 32.3%. There were no statistically significant differences between patients with and without lifetime suicide attempts in cholesterol, triglycerides, HDL-c levels, and the prevalence of metabolic syndrome. No differences in the same variables were found in violent suicide attempters compared with nonviolent ones. Clinical characteristics such as gender, low education, higher number of manic and depressive episodes, and taking more medications for bipolar disorder were associated with lifetime suicide attempts. CONCLUSIONS:Our results do not support the hypothesis of a strong association between serum lipid levels and suicide in patients with bipolar disorder.

journal_name

Prog Neuropsychopharmacol Biol Psychiatry

journal_title

Progress in neuro-psychopharmacology & biological psychiatry

authors

D'Ambrosio V,Salvi V,Bogetto F,Maina G

doi

10.1016/j.pnpbp.2011.12.009

subject

Has Abstract

pub_date

2012-04-27 00:00:00

pages

136-40

issue

eissn

0278-5846

issn

1878-4216

pii

S0278-5846(11)00374-5

journal_volume

pub_type

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Serum lipids, metabolic syndrome and lifetime suicide attempts in patients with bipolar disorder.