Blood-brain barrier permeability by CT perfusion predicts parenchymal hematoma after recanalization with thrombectomy.
blood-brain barrier permeability
intracerebral hematoma
ischemic stroke
Journal
Journal of neuroimaging : official journal of the American Society of Neuroimaging
ISSN: 1552-6569
Titre abrégé: J Neuroimaging
Pays: United States
ID NLM: 9102705
Informations de publication
Date de publication:
29 Nov 2023
29 Nov 2023
Historique:
revised:
13
11
2023
received:
18
09
2023
accepted:
13
11
2023
medline:
29
11
2023
pubmed:
29
11
2023
entrez:
29
11
2023
Statut:
aheadofprint
Résumé
Parenchymal hematoma is a dreaded complication of mechanical thrombectomy after acute ischemic stroke. This study evaluated whether blood-brain barrier permeability measurements based on CT perfusion could be used as predictors of parenchymal hematoma after successful recanalization and compared the predictive value of various permeability parameters in patients with acute ischemic stroke. We enrolled 53 patients with acute ischemic stroke who underwent mechanical thrombectomy and achieved successful recanalization. Each patient underwent CT, CT angiography, and CT perfusion imaging before treatment. We used relative volume transfer constant (rK Overall, 22 patients (37.7%) developed hemorrhagic transformation after surgery, including 10 patients (16.9%) with hemorrhagic infarction and 11 patients (20.8%) with parenchymal hematoma. The rP·S, rK Patients with parenchymal hematoma after mechanical thrombectomy had higher blood-brain barrier permeability in hypoperfusion areas. Among blood-brain barrier permeability measurement parameters, rP·S and rE showed better accuracy for parenchymal hematoma prediction.
Sections du résumé
BACKGROUND AND PURPOSE
OBJECTIVE
Parenchymal hematoma is a dreaded complication of mechanical thrombectomy after acute ischemic stroke. This study evaluated whether blood-brain barrier permeability measurements based on CT perfusion could be used as predictors of parenchymal hematoma after successful recanalization and compared the predictive value of various permeability parameters in patients with acute ischemic stroke.
METHODS
METHODS
We enrolled 53 patients with acute ischemic stroke who underwent mechanical thrombectomy and achieved successful recanalization. Each patient underwent CT, CT angiography, and CT perfusion imaging before treatment. We used relative volume transfer constant (rK
RESULTS
RESULTS
Overall, 22 patients (37.7%) developed hemorrhagic transformation after surgery, including 10 patients (16.9%) with hemorrhagic infarction and 11 patients (20.8%) with parenchymal hematoma. The rP·S, rK
CONCLUSIONS
CONCLUSIONS
Patients with parenchymal hematoma after mechanical thrombectomy had higher blood-brain barrier permeability in hypoperfusion areas. Among blood-brain barrier permeability measurement parameters, rP·S and rE showed better accuracy for parenchymal hematoma prediction.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Key Project of the Department of Science and Technology of Zhejiang Province
ID : 2018C03008
Organisme : 2022 General Scientific Research Project of Zhejiang Provincial Department of Education Special Project
ID : Y202248772
Organisme : Zhejiang Provincial Science and Technology Department Foundation
ID : 2022C35017
Informations de copyright
© 2023 American Society of Neuroimaging.
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