domingo, 4 de noviembre de 2012

Family history of schizophrenia as a risk fa... [J Psychiatr Res. 2012] - PubMed - NCBI

Family history of schizophrenia as a risk fa... [J Psychiatr Res. 2012] - PubMed - NCBI

2012 Oct 23. pii: S0022-3956(12)00303-2. doi: 10.1016/j.jpsychires.2012.09.023. [Epub ahead of print]

Family history of schizophrenia as a risk factor for axis I psychiatric conditions.


Columbia University School of Social Work, 1255 Amsterdam Avenue, 9th floor, New York, NY 10027, United States. Electronic address: .


People with first-degree relatives with schizophrenia are at an elevated risk of developing the disorder themselves. High rates of psychotic symptoms in non-psychotic disorders, high rates of comorbidity in psychotic disorders, and diversity of outcomes following psychosis-risk states together suggest that this vulnerability may be for psychiatric conditions in general, not limited to schizophrenia. In this study, data from the National Survey of American Life (NSAL) were used to examine the association between having a first-degree relative with schizophrenia and the lifetime development of a range of non-psychotic axis I psychiatric disorders using adjusted odds ratios. Having a relative with schizophrenia was associated with increased risk for most non-psychotic psychiatric conditions examined, including those expected to be associated with schizophrenia (affective, anxiety, and substance use disorders) and those not expected (bulimia, disorders of childhood onset), excluding respondents with lifetime psychotic symptoms and controlling for demographic factors. Family history of schizophrenia among this predominantly African-American and Afro-Caribbean sample appears to be a risk factor for a range of axis I diagnoses, supporting a continuous rather than categorical nature of psychiatric vulnerability. Future studies should examine whether these associations are due to genetic or environmental factors, or both.
Copyright © 2012 Elsevier Ltd. All rights reserved.

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