Peak Width of Skeletonized Mean Diffusivity: A Neuroimaging Marker for White Matter Injury.
Journal
Radiology
ISSN: 1527-1315
Titre abrégé: Radiology
Pays: United States
ID NLM: 0401260
Informations de publication
Date de publication:
03 2023
03 2023
Historique:
pmc-release:
01
03
2024
pubmed:
25
1
2023
medline:
25
2
2023
entrez:
24
1
2023
Statut:
ppublish
Résumé
A leading cause of white matter (WM) injury in older individuals is cerebral small vessel disease (SVD). Cerebral SVD is the most prevalent vascular contributor to cognitive impairment and dementia. Therapeutic progress for cerebral SVD and other WM disorders depends on the development and validation of neuroimaging markers suitable as outcome measures in future interventional trials. Diffusion-tensor imaging (DTI) is one of the best-suited MRI techniques for assessing the extent of WM damage in the brain. But the optimal method to analyze individual DTI data remains hindered by labor-intensive and time-consuming processes. Peak width of skeletonized mean diffusivity (PSMD), a recently developed fast, fully automated DTI marker, was designed to quantify the WM damage secondary to cerebral SVD and reflect related cognitive impairment. Despite its promising results, knowledge about PSMD is still limited in the radiologic community. This focused review provides an overview of the technical details of PSMD while synthesizing the available data on its clinical and neuroimaging associations. From a critical expert viewpoint, the authors discuss the limitations of PSMD and its current validation status as a neuroimaging marker for vascular cognitive impairment. Finally, they point out the gaps to be addressed to further advance the field.
Identifiants
pubmed: 36692402
doi: 10.1148/radiol.212780
pmc: PMC9968775
doi:
Types de publication
Journal Article
Review
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e212780Subventions
Organisme : NIA NIH HHS
ID : P30 AG062421
Pays : United States
Organisme : NIA NIH HHS
ID : P50 AG005134
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG047975
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG026484
Pays : United States
Commentaires et corrections
Type : CommentIn
Informations de copyright
© RSNA, 2023.
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