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  • Title: [Early development of childhood-onset schizophrenia].
    Author: Eggers C, Bunk D.
    Journal: Fortschr Neurol Psychiatr; 2009 Oct; 77(10):558-67. PubMed ID: 19821219.
    Abstract:
    Childhood-onset schizophrenia (COS, age of onset between 7 and 14 years) is a rare and severe form of the disorder. The prevalence is about 1 / 50 of the rate of adult-onset schizophrenia. In COS-children emotional, cognitive and behavioural abnormalities are often seen years before illness onset. Premorbid symptoms including social withdrawal, isolation, introversion, peculiar behaviour, unmotivated temper tantrums, auto- and heteroaggressive acts, suicidal thoughts, anxiousness, paranoid ideas, represent early warning symptoms and are associated with an unfavourable outcome. About 60 % of 67 patients with COS examined by us (44 long-term-, 23 short-term-follow-up examinations) demonstrated premorbid abnormalities prior to the onset of their psychosis. We found a significant correlation between high M-PAS-scores, insidious onset, negative PANSS-Items, and early onset of age (< 12 years). High M-PAS-Scores were positively related to long duration of psychotic and residual states, and vice versa there was a negative correlation between M-PAS and a favourable outcome (long duration of recovery states). It is necessary to identify clinical states of elevated risk for psychosis as early as possible. This is difficult especially in young patients, in whom psychical peculiarities are ambiguous, and they may develop in different directions, most of them into normalization. Nevertheless, it is important to recognize risk-groups by time and to study their development carefully. Thus they could benefit from multiprofessional family-oriented early interventions.
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