Remission in schizophrenia: analysis in a naturalistic setting

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Remission in schizophrenia: analysis in a naturalistic setting

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Publication Article, peer reviewed scientific
Title Remission in schizophrenia: analysis in a naturalistic setting
Author(s) Eberhard, Jonas ; Levander, Sten ; Lindström, Eva
Date 2009
English abstract
OBJECTIVE: To investigate the recently defined Positive and Negative Syndrome Scale for Schizophrenia remission criteria in a naturalistic setting of psychotic patients; to identify causal factors that change remission status; and to validate the criteria against global indices of illness, cognitive functions, and social outcome. METHODS: This was a longitudinal naturalistic study of 162 patients, diagnosed with schizophrenia or schizophrenia-related psychotic disorders (mean illness duration, 11 years) and treated with risperidone at study entry. Symptoms, drug treatment, cognitive function, and social outcome were measured at baseline and annually for 5 years. Remission was constructed retrospectively with only indirect data on stability over time. RESULTS: At study entry, 40% of the patients with schizophrenia were in symptomatic remission, stabilizing between 55% and 60% after a few years. The need for hospitalization became less frequent over time; initially 31%, dropping to 7% by years 4 and 5. Many patients went in and out of remission. Remission was strongly associated with global indices of illness, with intact insight and with social outcome (except work/studies) but not with cognition or medication. CONCLUSIONS: In spite of certain weaknesses of the study, we may conclude that current definition of remission is primarily a symptomatic measure, covering a subset of symptoms, some of which are not schizophrenia-specific. Although the definition may be clinically relevant, we must be aware of the risk that the connotation of the word could induce too much focus on symptom control.
DOI (link to publisher's fulltext)
Publisher Elsevier
Host/Issue Comprehensive Psychiatry;3
Volume 50
ISSN 0010-440X
Pages 200-208
Language eng (iso)
Subject(s) Medicine
Research Subject Categories::MEDICINE::Psychiatry
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