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  • Title: Neurocognitive and symptomatic predictors of functional outcome in bipolar disorders: a prospective 1 year follow-up study.
    Author: Martino DJ, Marengo E, Igoa A, Scápola M, Ais ED, Perinot L, Strejilevich SA.
    Journal: J Affect Disord; 2009 Jul; 116(1-2):37-42. PubMed ID: 19033081.
    Abstract:
    BACKGROUND: The aim of this study was to estimate the predictive value of cognitive impairments and time spent ill in long-term functional outcome of patients with bipolar disorder (BD). METHODS: Thirty five patients with euthymic BD completed a neurocognitive battery to assess verbal memory, attention, and executive functions at study entry. The course of illness was documented prospectively for a period longer than 12 months using a modified life charting technique based on the NIMH life-charting method. Psychosocial functioning was assessed with the General Assessment of Functioning (GAF) and the Functioning Assessment Short Test (FAST) at the end of follow-up period when patients were euthymic. RESULTS: Impairments in verbal memory and in attention, as well as subsyndromal depressive symptomatology were independent predictors of GAF score at the end of the study explaining 43% of variance. Similarly, impairments in attention and executive functioning were independent predictors of FAST score explaining 28% of variance. LIMITATIONS: We did not control factors that could affect functional outcome such as psychosocial interventions, familiar support and housing and financial resources. CONCLUSIONS: Both cognitive impairments and time spent with subsyndromal depressive symptomatology may be illness features associated with poorer long-term functional outcome. Developing strategies to treat these illness features might contribute to enhance long-term functional outcome among patients with BD.
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