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Article: Diagnostic stability of functional psychosis: A systematic review

TitleDiagnostic stability of functional psychosis: A systematic review
Authors
KeywordsDiagnosis, differential
Early diagnosis
Follow-up studies
Psychotic disorders
Issue Date2009
PublisherHong Kong College of Psychiatrists. The Journal's web site is located at http://www.hkjpsych.com/search.jsp
Citation
Hong Kong Journal Of Psychiatry, 2009, v. 19 n. 1, p. 30-41 How to Cite?
AbstractObjective: Stability of diagnosis is one measure of predictive validity for psychiatric syndromes. It is an under-studied area despite its clinical and research implications. This report aimed to critically review the literature concerning diagnostic stability in functional psychosis. Methods: Articles concerned with evaluating the diagnostic stability of functional psychosis and factors associated with diagnostic change were reviewed. Results: Despite methodological variation, schizophrenia was found to be the most stable diagnosis followed by affective psychosis. Other psychotic disorders were diagnostically unstable overtime. Around one-fifth of patients with first-onset psychosis had their diagnoses revised at follow-up. Diagnostic change occurred early in the course of the psychotic illness. The major pattern of diagnostic shift was towards schizophrenia spectrum disorders, particularly schizophrenia. Few variables were identified as predictors of such diagnostic conversion and the evidence established thus far is inconclusive. Conclusions: The present analysis indicates that diagnostic uncertainty and temporal instability is common in the early phase of psychosis especially in less prevalent diagnostic categories. It also highlights the limitations of the contemporary nosological classification in functional psychosis. In the absence of biological markers, a diagnostic process taking into account longitudinal observations across consecutive episodes should be a major requirement for making a definitive diagnosis. © 2009 Hong Kong College of Psychiatrists.
Persistent Identifierhttp://hdl.handle.net/10722/133788
ISSN
2012 SCImago Journal Rankings: 0.158

 

DC FieldValueLanguage
dc.contributor.authorChang, WCen_HK
dc.contributor.authorChan, SSMen_HK
dc.contributor.authorChung, DWSen_HK
dc.date.accessioned2011-05-27T03:12:11Z-
dc.date.available2011-05-27T03:12:11Z-
dc.date.issued2009en_HK
dc.identifier.citationHong Kong Journal Of Psychiatry, 2009, v. 19 n. 1, p. 30-41en_HK
dc.identifier.issn1026-2121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/133788-
dc.description.abstractObjective: Stability of diagnosis is one measure of predictive validity for psychiatric syndromes. It is an under-studied area despite its clinical and research implications. This report aimed to critically review the literature concerning diagnostic stability in functional psychosis. Methods: Articles concerned with evaluating the diagnostic stability of functional psychosis and factors associated with diagnostic change were reviewed. Results: Despite methodological variation, schizophrenia was found to be the most stable diagnosis followed by affective psychosis. Other psychotic disorders were diagnostically unstable overtime. Around one-fifth of patients with first-onset psychosis had their diagnoses revised at follow-up. Diagnostic change occurred early in the course of the psychotic illness. The major pattern of diagnostic shift was towards schizophrenia spectrum disorders, particularly schizophrenia. Few variables were identified as predictors of such diagnostic conversion and the evidence established thus far is inconclusive. Conclusions: The present analysis indicates that diagnostic uncertainty and temporal instability is common in the early phase of psychosis especially in less prevalent diagnostic categories. It also highlights the limitations of the contemporary nosological classification in functional psychosis. In the absence of biological markers, a diagnostic process taking into account longitudinal observations across consecutive episodes should be a major requirement for making a definitive diagnosis. © 2009 Hong Kong College of Psychiatrists.en_HK
dc.languageeng-
dc.publisherHong Kong College of Psychiatrists. The Journal's web site is located at http://www.hkjpsych.com/search.jspen_HK
dc.relation.ispartofHong Kong Journal of Psychiatryen_HK
dc.subjectDiagnosis, differential-
dc.subjectEarly diagnosis-
dc.subjectFollow-up studies-
dc.subjectPsychotic disorders-
dc.titleDiagnostic stability of functional psychosis: A systematic reviewen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1026-2121&volume=19&issue=1&spage=30&epage=41&date=2009&atitle=Diagnostic+stability+of+functional+psychosis:+a+systematic+review-
dc.identifier.emailChang, WC: changwc@hku.hk, wchung.chang@gmail.com-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-66749162636en_HK
dc.identifier.hkuros212414-
dc.identifier.volume19en_HK
dc.identifier.issue1en_HK
dc.identifier.spage30en_HK
dc.identifier.epage41en_HK
dc.publisher.placeHong Kongen_HK

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