Abstract
Clinical manifestations of major depressive disorder (MDD) have been linked to structural and functional alterations in fronto-limbic circuits and white matter microstructural abnormalities. However, little is known about how brain pathological changes in volume and microstructure are related to illness progression throughout aging, including course deterioration and treatment response. A comprehensive review of the literature regarding midlife- and late-onset MDD was performed through PubMed/Medline, ISI, and EMBASE electronic databases from January 2000 to May 2014. Eligible references included prospective studies in which structural neuroimaging assessments were performed in MDD samples. The course of MDD may be associated with brain aging modifications, including hippocampal, amigdalar and frontal volume reductions. White matter changes associated with MDD progression have been reported in the corpus callosum, frontal and temporal regions and may be associated with poorer response to treatment. The data suggest that both cortical and subcortical alterations may interact along the progression of MDD. Further knowledge brought by neuroimaging studies, through the integration of multimodal techniques, may help to improve the accuracy of diagnosis, disease monitoring and treatment response in MDD.
Keywords: Aging, cognition, depression, diffusion tensor imaging, neuroimaging, region of interest, tract based spatial statistics, white matter lesions.
CNS & Neurological Disorders - Drug Targets
Title:Structural Neuroimaging Findings in Major Depressive Disorder Throughout Aging: A Critical Systematic Review of Prospective Studies
Volume: 13 Issue: 10
Author(s): Gilberto S. Alves, Andre F. Carvalho, Felipe K. Sudo, Viola Oertel-Knochel, Christian Knochel, Luiza de Amorim de Carvalho, Jerson Laks, Eliasz Engelhardt and Johannes Pantel
Affiliation:
Keywords: Aging, cognition, depression, diffusion tensor imaging, neuroimaging, region of interest, tract based spatial statistics, white matter lesions.
Abstract: Clinical manifestations of major depressive disorder (MDD) have been linked to structural and functional alterations in fronto-limbic circuits and white matter microstructural abnormalities. However, little is known about how brain pathological changes in volume and microstructure are related to illness progression throughout aging, including course deterioration and treatment response. A comprehensive review of the literature regarding midlife- and late-onset MDD was performed through PubMed/Medline, ISI, and EMBASE electronic databases from January 2000 to May 2014. Eligible references included prospective studies in which structural neuroimaging assessments were performed in MDD samples. The course of MDD may be associated with brain aging modifications, including hippocampal, amigdalar and frontal volume reductions. White matter changes associated with MDD progression have been reported in the corpus callosum, frontal and temporal regions and may be associated with poorer response to treatment. The data suggest that both cortical and subcortical alterations may interact along the progression of MDD. Further knowledge brought by neuroimaging studies, through the integration of multimodal techniques, may help to improve the accuracy of diagnosis, disease monitoring and treatment response in MDD.
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Alves S. Gilberto, Carvalho F. Andre, Sudo K. Felipe, Oertel-Knochel Viola, Knochel Christian, de Carvalho de Amorim Luiza, Laks Jerson, Engelhardt Eliasz and Pantel Johannes, Structural Neuroimaging Findings in Major Depressive Disorder Throughout Aging: A Critical Systematic Review of Prospective Studies, CNS & Neurological Disorders - Drug Targets 2014; 13 (10) . https://dx.doi.org/10.2174/1871527313666141130202923
DOI https://dx.doi.org/10.2174/1871527313666141130202923 |
Print ISSN 1871-5273 |
Publisher Name Bentham Science Publisher |
Online ISSN 1996-3181 |
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