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  • Title: Suicidal behaviour in a French Cohort of major depressive patients: characteristics of attempters and nonattempters.
    Author: Azorin JM, Kaladjian A, Besnier N, Adida M, Hantouche E, Lancrenon S, Akiskal H.
    Journal: J Affect Disord; 2010 Jun; 123(1-3):87-94. PubMed ID: 19800131.
    Abstract:
    BACKGROUND: Epidemiological and clinical studies indicate that major depressive disorder is the leading cause of suicidal behaviour and that bipolar II subjects carry the highest risk. Identification of risk factors is therefore essential to prevent suicide in this population. METHODS: As part of the EPIDEP National Multisite French Study of 493 consecutive DSM-IV major depressive patients evaluated in at least two semi-structured interviews 1month apart, 155 (33.7%) were classified as suicide attempters, and 295 (66.3%) as nonattempters, after exclusion of bipolar I patients. RESULTS: Compared to nonattempters, attempters had a longer duration of illness, longer delays before seeking help and correct diagnosis and a higher number of previous episodes; they were more frequently rapid cyclers, with fewer free intervals between episodes. Lifetime suicide attempts were associated with more comorbid bulimia and substance abuse. Bipolar II spectrum disorders, depressive, cyclothymic and irritable temperaments were overrepresented in attempters, as well as family history of both affective disorder and suicide attempts. The following independent variables were associated with lifetime suicide attempts: higher number of previous depressive episodes, multiple hospitalizations, cyclothymic temperament, rapid cycling and earlier age at onset. LIMITATIONS: Retrospective design, recall bias, lack of sample homogeneity, and insufficient assessment of hypomanic features during index depression. CONCLUSIONS: In major depressive disorders, family history, age at onset, illness course, comorbidity and cyclothymic temperament alongside other indices of bipolarity may help predict suicidal behaviour. Longer delays to seeking help and diagnosis in attempters emphasize the importance of early recognition of bipolar spectrum disorders.
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