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Detección precoz de episodios de hipomanía en pacientes con trastorno afectivo

Publicado en:Revista De Psiquiatría Y Salud Mental. 5 (2): 89-97 - 2012-04-01 5(2), DOI: 10.1016/j.rpsm.2011.12.002

Autores: Garcia-Castillo, Ines; Fernandez-Mayo, Lidia; Serrano-Drozdowskyij, Elena; Carmona, Rodrigo; Jose Martin-Calvo, Maria; Ovejero, Santiago; Millan, Isabel; Garcia, Fernando; Baca-Garcia, Enrique

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Bipolar disorder (BP) is one of the major causes of disability in the world. Epidemiological studies suggest that this disorder could be under-diagnosed owing to the difficulty in detecting hypomania episodes. The detection of present and past episodes of hypomania could help in the diagnosis and appropriate treatment of this disorder. The Hypomania Check List (HCL-32) is a questionnaire validated into Spanish and designed to detect past and present hypomania episodes in the psychiatric patient population.A total of 128 patients over 18 years old and diagnosed with type I bipolar (BP-I) disorder (n=1), type II bipolar (BP-II) disorder (n=30), major depression (MD) (n=57), anxiety disorders (AD) (n=15) were selected, along with a control group (C) (n=25). The patients were diagnosed according to the diagnostic criteria of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IVTR). Screening for hypomania episodes was carried out by applying the HCL-32 scale.The area under the ROC curve was 0.65 with a 95% confidence interval (CI) of 0.55-0.75. The chosen cut-off point of the HCL-32 was 15. The values for the sensitivity (Se), specificity (Sp), positive predictive values (PPV) and negative predictive values (NPV), and the prevalence (P) of hypomania episodes in the patients of the UP depression, for a cut-off point of 15 were: Se =71.4%, 95% CI; 57.8, 85.1, Sp =45.8%, 95% CI; 34.5-57.1, PPV=43.75%, 95% CI; 32.25-55.25), NPV:73.08%, 95% CI; 60.06-86.09) and P=67.2%.The HCL-32 is a very sensitive, but not very specific, screening tool. This could partly explain the high proportion of hypomania episodes detected in our sample. Unlike previous studies, our sample is heterogeneous (from different environments) and at a more severe and unstable clinical level. Future research should develop more specific measuring tools, and with greater external validation, for hypomania episodes.Copyright © 2011 SEP y SEPB. Published by Elsevier Espana. All rights reserved.

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