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Treated incidence and baseline characteristics of substance induced psychosis in a Norwegian catchment area.

https://arctichealth.org/en/permalink/ahliterature105958
Source
BMC Psychiatry. 2013;13:319
Publication Type
Article
Date
2013
Author
Melissa A Weibell
Inge Joa
Jørgen Bramness
Jan Olav Johannessen
Patrick D McGorry
Wenche Ten Velden Hegelstad
Tor Ketil Larsen
Author Affiliation
Regional Centre for Clinical Research in Psychosis, TIPS, Stavanger University Hospital, Armauer Hansensvei, 4014 Stavanger, Norway. weim@sus.no.
Source
BMC Psychiatry. 2013;13:319
Date
2013
Language
English
Publication Type
Article
Keywords
Adolescent
Adult
Comorbidity
Female
Humans
Incidence
Male
Middle Aged
Norway - epidemiology
Psychoses, Substance-Induced - diagnosis - epidemiology - therapy
Psychotic Disorders - diagnosis - epidemiology
Substance-Related Disorders - diagnosis - epidemiology
Abstract
Substance misuse is a well-recognized co-morbidity to psychosis and has been linked to poor prognostic outcomes in patients. Researchers have yet to investigate the difference in rates and characteristics between first-episode Substance Induced Psychosis (SIP) and primary psychosis. We aimed at comparing patients with SIP to primary psychosis patients with or without substance misuse at baseline.
Thirty SIP patients, 45 primary psychosis patients with substance misuse (PS) and 66 primary psychosis patients without substance misuse (PNS) in a well-defined Norwegian catchment area were included from 2007-2011. Assessments included symptom levels (PANSS), diagnostic interviews (SCID), premorbid function scale (PAS) and global functioning (GAF f/s).
Treated incidence for SIP was found to be 6.5/100 000 persons per year, 9.7/100 000 persons per year for PS and 24.1/100 000 persons per year for PNS (15-65 yrs). Patients who had substance misuse (PS and SIP) were more likely to be male. Duration of Untreated Psychosis (DUP) was significantly shorter in the SIP group (5.0 wks., p?=?0.003) and these had more positive symptoms on the PANSS (p?=?0.049). SIP patients also did poorer on early youth academic levels on the PAS.
Yearly treated incidence of SIP is 6.5/100 000 persons per year in a Norwegian catchment area. SIP patients have short DUPs, are more likely to be male, have more positive symptoms at baseline and poorer premorbid academic scores in early adolescence. Follow-up will evaluate stability of diagnosis and characteristics.
PubMed ID
24279887 View in PubMed
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