Bipolar disorders · 2012
Risk factors related to lifetime suicide attempts in acutely admitted bipolar disorder inpatients.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Finseth Per I, Morken Gunnar, Andreassen Ole A, Malt Ulrik F, Vaaler Arne E
Аннотация
OBJECTIVE: The main aim of this study was to assess possible clinical characteristics of acutely admitted bipolar I disorder (BD-I) and bipolar II disorder (BD-II) inpatients at high risk of suicide by comparing patients who had made one or several serious suicide attempts with patients who had not.
METHODS: A total of 206 consecutive patients (mean age 42 ± 15 years; 54.9% women) with DSM-IV diagnosed BD-I (n = 140) and BD-II (n= 66) acutely admitted to a single psychiatric hospital department from November 2002 through June 2009 were included. Using a detailed retrospective questionnaire, patients with a history of a serious suicide attempt were compared to those with no history of a suicide attempt.
RESULTS: Ninety-three patients (45.1%) had a history of one or more serious suicide attempts. These constituted 60 (42.9%) of the BD-I patients and 33 (50%) of the BD-II patients (no significant difference). Lifetime suicide attempt was associated with a higher number of hospitalizations due to depression (p < 0.0001), antidepressant (AD)-induced hypomania/mania (p = 0.033), AD- and/or alcohol-induced affective episodes (p = 0.009), alcohol and/or substance use (p = 0.002), and a family history of alcohol abuse and/or affective disorder (p = 0.01). Suicide attempt was negatively associated with a higher Positive and Negative Syndrome Scale for Schizophrenia (PANSS) Positive Subscale score (p = 0.022) and more hospitalizations due to mania (p = 0.006).
CONCLUSIONS: The lifetime suicide attempt rate in BD inpatients is high. Risk factors of suicide attempts were: (i) a predominant depressive course of illness, (ii) comorbid alcohol and substance use disorders, and (iii) a history of AD- and/or alcohol-induced affective episodes. Risk-reducing factors were a preponderant manic or psychotic course of the illness. These risk factors may be signs of a clinical subgroup at risk of suicidal behaviour, and seem to be important for suicide risk assessment in acutely admitted BD patients.
METHODS: A total of 206 consecutive patients (mean age 42 ± 15 years; 54.9% women) with DSM-IV diagnosed BD-I (n = 140) and BD-II (n= 66) acutely admitted to a single psychiatric hospital department from November 2002 through June 2009 were included. Using a detailed retrospective questionnaire, patients with a history of a serious suicide attempt were compared to those with no history of a suicide attempt.
RESULTS: Ninety-three patients (45.1%) had a history of one or more serious suicide attempts. These constituted 60 (42.9%) of the BD-I patients and 33 (50%) of the BD-II patients (no significant difference). Lifetime suicide attempt was associated with a higher number of hospitalizations due to depression (p < 0.0001), antidepressant (AD)-induced hypomania/mania (p = 0.033), AD- and/or alcohol-induced affective episodes (p = 0.009), alcohol and/or substance use (p = 0.002), and a family history of alcohol abuse and/or affective disorder (p = 0.01). Suicide attempt was negatively associated with a higher Positive and Negative Syndrome Scale for Schizophrenia (PANSS) Positive Subscale score (p = 0.022) and more hospitalizations due to mania (p = 0.006).
CONCLUSIONS: The lifetime suicide attempt rate in BD inpatients is high. Risk factors of suicide attempts were: (i) a predominant depressive course of illness, (ii) comorbid alcohol and substance use disorders, and (iii) a history of AD- and/or alcohol-induced affective episodes. Risk-reducing factors were a preponderant manic or psychotic course of the illness. These risk factors may be signs of a clinical subgroup at risk of suicidal behaviour, and seem to be important for suicide risk assessment in acutely admitted BD patients.