Age at the time of onset of psychosis: A marker of specific needs rather than a determinant of outcome?
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- doi: 10.1016/j.eurpsy.2017.06.002
- issn: 0924-9338
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Psychotic disorders PsychosisCiter ce document
P. Golay et al., « Age at the time of onset of psychosis: A marker of specific needs rather than a determinant of outcome? », Serveur académique Lausannois, ID : 10.1016/j.eurpsy.2017.06.002
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While there is suggestion that early onset of psychosis is a determinant of outcome; knowledge regarding correlates of later onset age is more limited. This study explores the characteristics of patients developing psychosis after age 26, towards the end of the usual age range of early intervention programs, in order to identify potential specific needs of such patients. Two hundred and fifty-six early psychosis patients aged 18-35 were followed-up prospectively over 36 months. Patients with onset after 26 ("later onset", LO) were compared to the rest of the sample. LO patients (32% of the sample) had shorter DUP, were less likely to be male, had better premorbid functioning and were more likely to have been exposed to trauma. They had greater insight at presentation and less negative symptoms overall. The trajectories for positive and depressive symptoms were similar in both groups. Evolution of functional level was similar in both groups, but while LO patients recovered faster, they were significantly less likely to return to premorbid functional level. Later psychosis onset correlates with better premorbid functioning and higher rate of trauma exposure; the latter should therefore be a treatment focus in such patients. LO patients were less likely to return to premorbid functional level, which suggests that current treatment strategies may not be efficient to help patients maintain employment. The possibility of distinct illness mechanisms according to onset age and the more central role for trauma in patients with onset after age 26 needs to be further explored.