Comparison of characteristics of suicide attempters with schizophrenia spectrum disorders and those with mood disorders in Japan

Nakagawa, Mitsuo; Kawanishi, Chiaki; Yamada, Tomoki; Sugiura, Kanna; Iwamoto, Yoko; Sato, Ryoko; Morita, Satoshi; Odawara, Toshinari; Hirayasu, Yoshio

doi:10.1016/j.psychres.2010.09.008

Cited by 10 publications

(7 citation statements)

References 32 publications

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“…The Nakagawa et al . detailed comparative analysis of suicide attempts in patients with schizophrenia spectrum disorder and those with affective disorder found that the former group had frequently used a highly lethal method 16 . Impulsivity could be behind those findings.…”

Section: Discussionmentioning

confidence: 99%

Trait impulsivity in suicide attempters: Preliminary study

Doihara

Kawanishi

Ohyama

et al. 2012

Psychiatry Clin Neurosci

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Suicide attempt is a risk factor for suicide. To investigate trait impulsivity among suicide attempters, 93 attempters admitted to an emergency department and 113 healthy controls were evaluated using the Japanese version of the Barratt Impulsiveness Scale (BIS-11J). Impulsivity was analyzed in relation to clinical data in the attempters. Total BIS-11J, attention impulsiveness, and motor impulsiveness scores were significantly higher in the attempters than in the controls. Both total BIS-11J and non-planning impulsiveness scores were significantly higher in attempters with schizophrenia and other psychotic disorders among the diagnostic groups. Control of impulsivity should be considered as one of the targets for suicide prevention.

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Section: Discussionmentioning

confidence: 99%

Trait impulsivity in suicide attempters: Preliminary study

Doihara

Kawanishi

Ohyama

et al. 2012

Psychiatry Clin Neurosci

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“…Click here to view linked References psychiatric disorder suggested that hanging was the most frequent method, followed by jumping from a height (Hirokawa et al, 2012a). In contrast, the data from suicide-attempters with psychiatric disorder admitted to a hospital emergency department in an urban city in Japan revealed that the most common method of suicide was drug overdose, followed by laceration, and then jumping from a height (Nakagawa et al, 2011). Therefore, individuals with a psychiatric disorder who have attempted suicide by jumping from a height or by self-stabbing are frequently seen in emergency departments, and they often suffer from severe physical injuries due to these highly lethal methods.…”

Section: *Manuscriptmentioning

confidence: 99%

Comparison of the clinical features of suicide attempters by jumping from a height and those by self-stabbing in Japan

Kimura

Ikeda

Kumazaki

et al. 2013

Journal of Affective Disorders

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Background: A history of psychiatric disorders is a high risk for suicide. The present study compared the clinical features of psychiatric patients in Japan who attempted suicide by jumping from a height and those who attempted suicide by self-stabbing. Methods:We compared two groups of suicide attempters who were hospitalized for both physical and psychiatric treatment (n=202). We compared the psychiatric diagnoses and clinical features between those who attempted suicide by jumping from a height (N=147) and those who did so by self-stabbing (N=55). Results:The self-stabbing group (mean age 52.3 years) was significantly older compared to the jumping group (mean age 37.9 years). A significantly higher proportion of females were found in the jumping group. Jumping from a height was significantly associated with schizophrenia spectrum disorders, whereas self-stabbing was significantly associated with mood disorders. Limitations:The results were drawn from data from a single hospital in a large urban city, and the study population did not include subjects who completed their suicide attempts. Conclusions:Our findings show that differences in suicide methods (here, between jumping from a height and self-stabbing) may be related to suicide attempters' psychiatric diagnosis, gender and age. It is thus important to obtain a more detailed background information about a patient's suicide attempt and to create suicide prevention plans in accord with individuals' psychiatric diagnosis, age and gender, especially among those who have attempted suicide by jumping from a height or self-stabbing.

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“…Empirical evidence indicates that suicidal behaviour is dissimilar in patients with different psychiatric disorders. 31 However, no formal comparison has been conducted to date.…”

Section: Introductionmentioning

confidence: 99%

Subcortical brain structure and suicidal behaviour in major depressive disorder: a meta-analysis from the ENIGMA-MDD working group

et al. 2017

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The aetiology of suicidal behaviour is complex, and knowledge about its neurobiological mechanisms is limited. Neuroimaging methods provide a noninvasive approach to explore the neural correlates of suicide vulnerability in vivo. The ENIGMA-MDD Working Group is an international collaboration evaluating neuroimaging and clinical data from thousands of individuals collected by research groups from around the world. Here we present analyses in a subset sample (n=3097) for whom suicidality data were available. Prevalence of suicidal symptoms among major depressive disorder (MDD) cases ranged between 29 and 69% across cohorts. We compared mean subcortical grey matter volumes, lateral ventricle volumes and total intracranial volume (ICV) in MDD patients with suicidal symptoms (N=451) vs healthy controls (N=1996) or MDD patients with no suicidal symptoms (N=650). MDD patients reporting suicidal plans or attempts showed a smaller ICV (P=4.12 × 10−3) or a 2.87% smaller volume compared with controls (Cohen’s d=−0.284). In addition, we observed a nonsignificant trend in which MDD cases with suicidal symptoms had smaller subcortical volumes and larger ventricular volumes compared with controls. Finally, no significant differences (P=0.28–0.97) were found between MDD patients with and those without suicidal symptoms for any of the brain volume measures. This is by far the largest neuroimaging meta-analysis of suicidal behaviour in MDD to date. Our results did not replicate previous reports of association between subcortical brain structure and suicidality and highlight the need for collecting better-powered imaging samples and using improved suicidality assessment instruments.

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Comparison of characteristics of suicide attempters with schizophrenia spectrum disorders and those with mood disorders in Japan

Cited by 10 publications

References 32 publications

Trait impulsivity in suicide attempters: Preliminary study

Trait impulsivity in suicide attempters: Preliminary study

Comparison of the clinical features of suicide attempters by jumping from a height and those by self-stabbing in Japan

Subcortical brain structure and suicidal behaviour in major depressive disorder: a meta-analysis from the ENIGMA-MDD working group

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