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A meta-analysis of hippocampal atrophy rates in Alzheimer's disease

Authors :
Barnes, Josephine
Bartlett, Jonathan W.
van de Pol, Laura A.
Loy, Clement T.
Scahill, Rachael I.
Frost, Chris
Thompson, Paul
Fox, Nick C.
Source :
Neurobiology of Aging. Nov2009, Vol. 30 Issue 11, p1711-1723. 13p.
Publication Year :
2009

Abstract

Abstract: Hippocampal atrophy rates are useful in both diagnosing and tracking Alzheimer''s disease (AD). However, cohorts and methods used to determine such rates are heterogeneous, leading to differences in reported annualised rates. We performed a meta-analysis of hippocampal atrophy rates in AD patients and matched controls from studies reported in the peer-reviewed literature. Studies reporting longitudinal volume change in hippocampi in AD subjects together with controls were systematically identified and appraised. All authors were contacted either to confirm the results or to provide missing data. Meta-analysis and meta-regression were then performed on this data. Nine studies were included from seven centres, with data from a total of 595 AD and 212 matched controls. Mean (95% CIs) annualised hippocampal atrophy rates were found to be 4.66% (95% CI 3.92, 5.40) for AD subjects and 1.41% (0.52, 2.30) for controls. The difference between AD and control subject in this rate was 3.33% (1.73, 4.94). [Copyright &y& Elsevier]

Details

Language :
English
ISSN :
01974580
Volume :
30
Issue :
11
Database :
Academic Search Index
Journal :
Neurobiology of Aging
Publication Type :
Academic Journal
Accession number :
44258744
Full Text :
https://doi.org/10.1016/j.neurobiolaging.2008.01.010