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Small baseline volume of left hippocampus is associated with subsequent conversion of MCI into dementia: The Göteborg MCI study
Institute of Neuroscience and Physiology, Göteborg University, Sweden.
Department of Philosophy, Göteborg University, Sweden, Institute of Biomedicine, Göteborg University, Sweden.
Linköping University, The Institute of Technology. Linköping University, Department of Biomedical Engineering, Medical Informatics. Linköping University, Center for Medical Image Science and Visualization (CMIV).ORCID iD: 0000-0002-9267-2191
Department of Radiology, University of Rochester Medical Center, United States.
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2008 (English)In: Journal of the Neurological Sciences, ISSN 0022-510X, E-ISSN 1878-5883, Vol. 272, no 1-2, 48-59 p.Article in journal (Refereed) Published
Abstract [en]

Background: Earlier studies have reported that hippocampal atrophy can to some extent predict which patients with mild cognitive impairment (MCI) will subsequently convert to dementia, and that converters have an enhanced rate of hippocampal volume loss. Objective: To further validate the hypothesis that hippocampal atrophy predicts conversion from MCI to dementia, to relate baseline hippocampal volume to different forms of dementia, and to investigate the role of hippocampal side differences and rate of volume loss over time. Patients: The subjects (N = 68) include patients with MCI at baseline and progression to dementia at the two-year follow-up (N = 21), stable MCI patients (N = 21), and controls (N = 26). Among the progressing patients, 13 were diagnosed as having AD. Methods: The Göteborg MCI study is a clinically based longitudinal study with biannual clinical assessments. Hippocampal volumetry was performed manually on the MRI investigations at baseline and at the two-year follow-up. Results: Hippocampal volumetry could predict conversion to dementia in both the AD and the non-AD subgroup of converters. Left hippocampal volume in particular discriminated between converting and stable MCI. Cut off points for individual discrimination were shown to be potentially useful. The converting MCI group had a significantly higher rate of hippocampal volume loss as compared to the stable MCI group. Conclusions: In MCI patients, hippocampal volumetry at baseline gives prognostic information about possible development of AD and non-AD dementia. Contrary to earlier studies, we found that left hippocampal volume has the best predictive power. Reliable predictions appear to be possible in many individual cases. © 2008 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2008. Vol. 272, no 1-2, 48-59 p.
Keyword [en]
Alzheimer's disease, Brain asymmetries, Dementia, Hippocampus, Mild cognitive impairment (MCI), Vascular dementia, Volumetric MRI
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URN: urn:nbn:se:liu:diva-50176DOI: 10.1016/j.jns.2008.04.024ISI: 000259131200007OAI: diva2:271072
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2015-08-24Bibliographically approved

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Borga, Magnus
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The Institute of TechnologyMedical InformaticsCenter for Medical Image Science and Visualization (CMIV)
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