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dc.contributor.authorOwoeye, Olabisi
dc.contributor.authorKingston, Tara
dc.contributor.authorScully, Paul J
dc.contributor.authorBaldwin, Patrizia
dc.contributor.authorBrowne, David
dc.contributor.authorKinsella, Anthony
dc.contributor.authorRussell, Vincent
dc.contributor.authorO'Callaghan, Eadbhard
dc.contributor.authorWaddington, John L
dc.date.accessioned2013-06-24T18:20:27Z
dc.date.available2013-06-24T18:20:27Z
dc.date.issued2013-05-28
dc.identifier.citationEpidemiological and Clinical Characterization Following a First Psychotic Episode in Major Depressive Disorder: Comparisons With Schizophrenia and Bipolar I Disorder in the Cavan-Monaghan First Episode Psychosis Study (CAMFEPS). 2013: Schizophr Bullen_GB
dc.identifier.issn1745-1701
dc.identifier.pmid23716714
dc.identifier.doi10.1093/schbul/sbt075
dc.identifier.urihttp://hdl.handle.net/10147/294483
dc.description.abstractWhile recent research on psychotic illness has focussed on the nosological, clinical, and biological relationships between schizophrenia and bipolar disorder, little attention has been directed to the most common other psychotic diagnosis, major depressive disorder with psychotic features (MDDP). As this diagnostic category captures the confluence between dimensions of psychotic and affective psychopathology, it is of unappreciated heuristic potential to inform on the nature of psychotic illness. Therefore, the epidemiology and clinical characteristics of MDDP were compared with those of schizophrenia and bipolar disorder within the Cavan-Monaghan First Episode Psychosis Study (n = 370). Epidemiologically, the first psychotic episode of MDDP (n = 77) was uniformly distributed across the adult life span, while schizophrenia (n = 73) and bipolar disorder (n = 73) were primarily disorders of young adulthood; the incidence of MDDP, like bipolar disorder, did not differ between the sexes, while the incidence of schizophrenia was more common in males than in females. Clinically, MDDP was characterized by negative symptoms, executive dysfunction, neurological soft signs (NSS), premorbid intellectual function, premorbid adjustment, and quality of life similar to those for schizophrenia, while bipolar disorder was characterized by less prominent negative symptoms, executive dysfunction and NSS, and better quality of life. These findings suggest that what we currently categorize as MDDP may be more closely aligned with other psychotic diagnoses than has been considered previously. They indicate that differences in how psychosis is manifested vis-à-vis depression and mania may be quantitative rather than qualitative and occur within a dimensional space, rather than validating categorical distinctions.
dc.languageENG
dc.language.isoenen
dc.publisherOxford Journalsen_GB
dc.relation.urlhttp://www.ncbi.nlm.nih.gov/pubmed/23716714en_GB
dc.rightsArchived with thanks to Schizophrenia bulletinen_GB
dc.subjectMENTAL HEALTHen_GB
dc.titleEpidemiological and clinical characterization following a first psychotic episode in major depressive disorder: Comparisons with Schizophrenia and Bipolar I Disorder in the Cavan-Monaghan First Episode Psychosis Study (CAMFEPS).en_GB
dc.typeArticleen
dc.contributor.departmentCavan-Monaghan Mental Health Service, Cavan General Hospital & St Davnet's Hospital, Monaghan, Ireland;en_GB
dc.identifier.journalSchizophrenia bulletinen_GB
html.description.abstractWhile recent research on psychotic illness has focussed on the nosological, clinical, and biological relationships between schizophrenia and bipolar disorder, little attention has been directed to the most common other psychotic diagnosis, major depressive disorder with psychotic features (MDDP). As this diagnostic category captures the confluence between dimensions of psychotic and affective psychopathology, it is of unappreciated heuristic potential to inform on the nature of psychotic illness. Therefore, the epidemiology and clinical characteristics of MDDP were compared with those of schizophrenia and bipolar disorder within the Cavan-Monaghan First Episode Psychosis Study (n = 370). Epidemiologically, the first psychotic episode of MDDP (n = 77) was uniformly distributed across the adult life span, while schizophrenia (n = 73) and bipolar disorder (n = 73) were primarily disorders of young adulthood; the incidence of MDDP, like bipolar disorder, did not differ between the sexes, while the incidence of schizophrenia was more common in males than in females. Clinically, MDDP was characterized by negative symptoms, executive dysfunction, neurological soft signs (NSS), premorbid intellectual function, premorbid adjustment, and quality of life similar to those for schizophrenia, while bipolar disorder was characterized by less prominent negative symptoms, executive dysfunction and NSS, and better quality of life. These findings suggest that what we currently categorize as MDDP may be more closely aligned with other psychotic diagnoses than has been considered previously. They indicate that differences in how psychosis is manifested vis-à-vis depression and mania may be quantitative rather than qualitative and occur within a dimensional space, rather than validating categorical distinctions.


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