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dc.contributor.authorRosa, Adriane Ribeiropt_BR
dc.contributor.authorComes, Mercèpt_BR
dc.contributor.authorTorrent, Carlapt_BR
dc.contributor.authorSolé, Brisapt_BR
dc.contributor.authorReinares, Mariapt_BR
dc.contributor.authorPachiarotti, Isabellapt_BR
dc.contributor.authorSalamero, Manelpt_BR
dc.contributor.authorKapczinski, Flávio Pereirapt_BR
dc.contributor.authorColom, Francescpt_BR
dc.contributor.authorVieta, Eduardpt_BR
dc.date.accessioned2015-03-07T01:57:10Zpt_BR
dc.date.issued2013pt_BR
dc.identifier.issn2194-7511pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/111827pt_BR
dc.description.abstractBackground: Biological rhythm disturbance is common in bipolar patients and seems to affect the course and prognosis of the illness negatively. The main aim of the current study was to assess biological rhythms in remitted bipolar patients. We also assessed whether there was an association between clinical variables or functioning and biological rhythms in remitted bipolar participants. Methods: The Biological Rhythms Interview of Assessment in Neuropsychiatry (BRIAN) was used to assess biological rhythm disturbance. It is an 18-item interviewer-administered instrument which allows us to investigate the main areas related to circadian rhythm disturbance (sleep/social, activities, and eating pattern) in bipolar disorder. Results and discussion: Bipolar patients (n = 107) experienced greater biological rhythm alterations than the control group (n = 100) (BRIAN total scores 35.36 ± 7.11 vs. 32.48 ± 6.10, t = 6.912, p = 0.002, Cohen's d = 0.43, r = 0.21). In particular, patients were more impaired than the control group with regard to sleep/social (14.67 ± 4.14 vs. 13.49 ± 2.91, t = 10.61, p = 0.018, Cohen's d = 0.33, r = 0.16) and activity (8.49 ± 2.51 vs. 7.07 ± 2.13, t = 3.90, p = 0.001, Cohen's d = 0.61, r = 0.29) domains. Furthermore, a significant correlation was found between biological rhythms with residual depressive symptoms (r = 0.459, p < 0.001) and functioning (r = 0.432, p < 0.001). These findings suggest a potential link between biological rhythms and the pathophysiology of bipolar disorder. It highlights the importance of novel instruments (e.g., BRIAN) which allow us to assess biological rhythm disturbance in psychiatry. Finally, specific psychosocial interventions focused on lifestyle regularity may be considered as a supplemental treatment of bipolar illness episodes.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofInternational journal of bipolar disorders. Heidelberg. Vol. 1 (Jun. 2013), 6p.pt_BR
dc.rightsOpen Accessen
dc.subjectBipolar disorderen
dc.subjectTranstorno bipolarpt_BR
dc.subjectRitmo circadianopt_BR
dc.subjectCircadian rhythmsen
dc.subjectBiological rhythmsen
dc.subjectTranstornos do sono-vigíliapt_BR
dc.subjectSleep alterationsen
dc.subjectFunctioningen
dc.titleBiological rhythm disturbance in remitted bipolar patientspt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000953597pt_BR
dc.type.originEstrangeiropt_BR


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