CAMILA NASCIMENTO MANTELLI

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LIM/21 - Laboratório de Neuroimagem em Psiquiatria, Hospital das Clínicas, Faculdade de Medicina

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Autor: NITRINI, Ricardo × Colaboração internacional: Canadá ×

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  • article 8 Citação(ões) na Scopus
    Factors associated with brain volume in major depression in older adults without dementia: results from a large autopsy study
    (2018) NUNES, Paula Villela; SUEMOTO, Claudia Kimie; LEITE, Renata Elaine Paraizo; FERRETTI-REBUSTINI, Renata Eloah de Lucena; PASQUALUCCI, Carlos Augusto; NITRINI, Ricardo; FARFEL, Jose Marcelo; OLIVEIRA, Katia Cristina de; GRINBERG, Lea Tenenholz; COSTA, Nicole Rezende da; NASCIMENTO, Camila Fernandes; SALMASI, Faraz; KIM, Helena Kyunghee; YOUNG, Lionel Trevor; JACOB-FILHO, Wilson; LAFER, Beny
    ObjectiveWe examined brain volume and atrophy in individuals with major depressive disorder (MDD) without dementia that were referred to a large autopsy service. We also examined potential risk factors for brain atrophy, including demographics and clinical variables. MethodsIn this study, 1373 participants (787 male) aged 50years or older who died from natural causes were included. Participants with no reliable informant, with cognitive impairment or dementia, with a medical history of severe chronic disease, or with prolonged agonal state were excluded. Presence of MDD at least once in their lifetime was defined according to the Structured Clinical Interview for DSM. Brain volume was measured immediately after removal from the skull. ResultsMean age at death was 68.611.6, and MDD was present in 185 (14%) individuals. Smaller brain volume was associated with older age (p<0.001), lower education (years; p<0.001), hypertension (p=0.001), diabetes (p=0.006), and female gender (p<0.001). In the multivariate analysis adjusted for sociodemographics and cardiovascular risk factors, smaller brain volume was not associated with major depression (=-0.86, 95% CI=-26.50 to 24.77, p=0.95). ConclusionsIn this large autopsy study of older adults, MDD was not associated with smaller brain volumes. Regardless of the presence of MDD, in this sample of older adults without dementia, we found that smaller brain volumes were associated with risk factors for brain neurodegeneration such as older age, diabetes, hypertension, and lower education.