Schizophrenie und Gewalt

Boudriot, Friederike; Guldimann, Angela; Habermeyer, Elmar

doi:10.1024/1661-8157/a001527

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“…Some studies show an association between violence and certain psychopathological factors of SSD such as positive symptoms and lack of insight ( 2 , 3 ). However, while some literature suggest an association between threat-control override symptoms and increased violent tendencies ( 4 – 6 ), Witt et al.’s systematic review and meta-analysis has found no significant correlation ( 3 ). Rather, they emphasize many factors beyond the diagnosis of SSD to be strongly associated with violence.…”

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confidence: 99%

When do drugs trigger criminal behavior? a machine learning analysis of offenders and non-offenders with schizophrenia and comorbid substance use disorder

Bender,

Machetanz,

von Känel

et al. 2024

Front. Psychiatry

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IntroductionComorbid substance use disorder (SUD) is linked to a higher risk of violence in patients with schizophrenia spectrum disorder (SSD). The objective of this study is to explore the most distinguishing factors between offending and non-offending patients diagnosed with SSD and comorbid SUD using supervised machine learning.MethodsA total of 269 offender patients and 184 non-offender patients, all diagnosed with SSD and SUD, were assessed using supervised machine learning algorithms.ResultsFailures during opening, referring to rule violations during a permitted temporary leave from an inpatient ward or during the opening of an otherwise closed ward, was found to be the most influential distinguishing factor, closely followed by non-compliance with medication (in the psychiatric history). Following in succession were social isolation in the past, no antipsychotics prescribed (in the psychiatric history), and no outpatient psychiatric treatments before the current hospitalization.DiscussionThis research identifies critical factors distinguishing offending patients from non-offending patients with SSD and SUD. Among various risk factors considered in prior research, this study emphasizes treatment-related differences between the groups, indicating the potential for improvement regarding access and maintenance of treatment in this particular population. Further research is warranted to explore the relationship between social isolation and delinquency in this patient population.

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