An evolutionary approach to mania studying Sardinian immigrants to Argentina
AUTOR(ES)
Carta, Mauro G., Perra, Alessandra, Atzeni, Michela, D’Oca, Silvia, Moro, Maria F., Kurotschka, Peter K., Moro, Daniela, Sancassiani, Federica, Minerba, Luigi, Brasesco, Maria V., Mausel, Gustavo, Nardi, Antonio E., Tondo, Leonardo
FONTE
Rev. Bras. Psiquiatr.
DATA DE PUBLICAÇÃO
09/03/2017
RESUMO
Objective: To ascertain lifetime prevalence of positivity to a screening questionnaire for bipolar disorders (BD) in Sardinian immigrants to Argentina and residents of Sardinia and assess whether such positivity affects quality of life (QoL) in either group. Our hypothesis is that screen positivity for BD may be more frequent in immigrants. Methods: Observational study. Subjects were randomly selected from the membership lists of associations of Sardinian immigrants in Argentina. A study carried out in Sardinia using the same methodology was used for comparison. The Mood Disorder Questionnaire was used to screen for mania/hypomania and the Short-Form Health Survey-12 to measure QoL. Results: A higher prevalence of manic/hypomanic episodes was found in Sardinian immigrants to Argentina (p < 0.0001; odds ratio = 3.0, 95% confidence interval 1.87-4.77). Positivity at screening was associated with a lower QoL both in Sardinian immigrants to Argentina and in residents of Sardinia. Conclusions: To the best of our knowledge, this is the first study to show a higher lifetime prevalence of manic/hypomanic episodes in a general-population sample of individuals who migrated to a foreign country. Our results are in agreement with the hypothesis that hyperactive/novelty-seeking features may represent an adaptive substrate in certain conditions of social change.
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