Seoul criteria for PiB(-) subcortical vascular dementia based on clinical and MRI variables
- Authors
- Kim, Geon Ha; Lee, Jae Hong; Seo, Sang Won; Ye, Byoung Seok; Cho, Hanna; Kim, Hee Jin; Noh, Young; Yoon, Cindy W.; Chin, Ju Hee; Oh, Seung Jun; Kim, Jae Seung; Choe, Yearn Seong; Lee, Kyung Han; Kim, Sung Tae; Jeong, Jee Hyang; Na, Duk L.
- Issue Date
- 29-Apr-2014
- Publisher
- LIPPINCOTT WILLIAMS & WILKINS
- Citation
- NEUROLOGY, v.82, no.17, pp.1529 - 1535
- Journal Title
- NEUROLOGY
- Volume
- 82
- Number
- 17
- Start Page
- 1529
- End Page
- 1535
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/12695
- DOI
- 10.1212/WNL.0000000000000360
- ISSN
- 0028-3878
- Abstract
- Objective:The purpose of this study was to propose new criteria for differentiating Pittsburgh compound B (PiB)-negative from PiB-positive subcortical vascular dementia (SVaD) using clinical and MRI variables.Methods:We measured brain amyloid deposition using PiB-PET in 77 patients with SVaD. All patients met DSM-IV criteria for vascular dementia and had severe white matter hyperintensities on MRI, defined as a cap or band 10 mm as well as a deep white matter lesion 25 mm. Eleven models were considered to differentiate PiB(-) from PiB(+) SVaD using 4 variables, including age, number of lacunes, medial temporal atrophy (MTA), and APOE epsilon 4. The ideal cutoff values in each of the 11 models were selected using the highest Youden index.Results:A total of 49 of 77 patients (63.6%) tested negative for PiB retention, while 28 (36.4%) tested positive for PiB retention. The ideal model for differentiating PiB(-) from PiB(+) SVaD was as follows: age 75 years, 5 lacunes, and MTA 3, which together yielded an accuracy of 67.5%.Conclusion:When patients meet the DSM-IV criteria for vascular dementia and also have severe white matter hyperintensities, younger age, greater number of lacunes, and lesser MTA, these are predictive of a PiB(-) scan in patients with SVaD.Classification of evidence:This study provides Class II evidence that the combination of younger age, greater number of lacunes, and lesser MTA identifies patients with SVaD at lower risk of Alzheimer disease pathology.
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