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Erschienen in:
01.09.2009 | ORIGINAL PAPER
First-episode drug-induced psychosis: a medium term follow up study reveals a high-risk group
Erschienen in: Social Psychiatry and Psychiatric Epidemiology | Ausgabe 9/2009
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Background
Little is known about first-episode drug-induced psychosis (F19.5).
Objectives
To examine the incidence, course, diagnostic stability, and outcomes of first-episode drug-induced psychosis (F19.5), and compare with first-episode schizophrenia (F20–21).
Method
An observational database was set up on all patients aged 16 and over with a first episode psychosis living in a county in Northern England between October 1998 and October 2005. Data were collected at presentation and annual follow-up. Information on patients with an ICD-10 diagnosis of either drug-induced psychosis (F19.5) or schizophrenia (F20) was compared.
Results
There was no significant difference between the two groups in levels of hospitalisation and violence. Patients with a drug-induced psychosis were more likely to lose contact with services, and a third developed a schizophrenia-spectrum disorder.
Conclusions
Increased attention should be paid to maintaining engagement with this high-risk group who have a high rate of transition to schizophrenia.