BACKGROUND: Psychosis is a prominent characteristic of manic episodes. We investigated relationships between the presence of psychotic features, the severity of the manic syndrome, and syndrome severity's response to treatment. METHOD: 179 subjects meeting Research Diagnostic Criteria for a manic episode of bipolar I disorder were hospitalized for acute manic episodes and treated in a randomized trial of lithium, divalproex sodium, or placebo. Factor and cluster analyses were carried out using the clinician-rated Schedule for Affective Disorders and Schizophrenia, Change version (SADS-C) and the nurse-rated Affective Disorder Rating Scale (ADRS). RESULTS: Subjects with psychotic features had significantly (p < .005) greater overall impairment (lower Global Assessment Scale [GAS] scores) but did not differ in severity of mania scores compared with those without psychotic features. Psychosis factor scores correlated significantly (p < .000001) with GAS scores but not with mania scores. Baseline psychosis factor scores did not correlate with subsequent treatment-associated change in mania scores, but change in mania scores during treatment correlated significantly (p < .000001) with change in the psychosis factor. Changes in psychosis factor scores correlated significantly with changes in mania rating scale scores regardless of treatment. CONCLUSIONS: Psychotic features as a component of manic episodes contribute substantially to overall impairment. Treatments that successfully treat mania also reduce psychosis scores.
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BACKGROUND:Psychosis is a prominent characteristic of manic episodes. We investigated relationships between the presence of psychotic features, the severity of the manic syndrome, and syndrome severity's response to treatment. METHOD: 179 subjects meeting Research Diagnostic Criteria for a manic episode of bipolar I disorder were hospitalized for acute manic episodes and treated in a randomized trial of lithium, divalproex sodium, or placebo. Factor and cluster analyses were carried out using the clinician-rated Schedule for Affective Disorders and Schizophrenia, Change version (SADS-C) and the nurse-rated Affective Disorder Rating Scale (ADRS). RESULTS: Subjects with psychotic features had significantly (p < .005) greater overall impairment (lower Global Assessment Scale [GAS] scores) but did not differ in severity of mania scores compared with those without psychotic features. Psychosis factor scores correlated significantly (p < .000001) with GAS scores but not with mania scores. Baseline psychosis factor scores did not correlate with subsequent treatment-associated change in mania scores, but change in mania scores during treatment correlated significantly (p < .000001) with change in the psychosis factor. Changes in psychosis factor scores correlated significantly with changes in mania rating scale scores regardless of treatment. CONCLUSIONS: Psychotic features as a component of manic episodes contribute substantially to overall impairment. Treatments that successfully treat mania also reduce psychosis scores.
Authors: Keming Gao; David E Kemp; Zuowei Wang; Stephen J Ganocy; Carla Conroy; Marry Beth Serrano; Martha Sajatovic; Robert L Findling; Joseph R Calabrese Journal: Psychopharmacol Bull Date: 2010
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Authors: Rafael T de Sousa; Joao V Busnello; Orestes V Forlenza; Marcus V Zanetti; Marcio G Soeiro-de-Souza; Martinus T van de Bilt; Ricardo A Moreno; Carlos A Zarate; Wagner F Gattaz; Rodrigo Machado-Vieira Journal: J Psychiatr Res Date: 2012-09-20 Impact factor: 4.791