Cerebral perfusion in posterior reversible encephalopathy syndrome measured with arterial spin labeling MRI

Cerebral perfusion in posterior reversible encephalopathy syndrome measured with arterial spin labeling MRI

•Cerebral hyperperfusion was found in 13/20 patients with PRES by ASL MRI.•A hypoperfusion pattern was not identified in any patients.•HTN-induced autoregulatory failure is thus favored as a dominant PRES mechanism.•Quantitative CBF in hyperperfused regions was higher than control regions (p ...

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Veröffentlicht in:NeuroImage clinical 2022-01, Vol.35, p.103017-103017, Article 103017
Hauptverfasser: Fazeli, Soudabeh, Noorbakhsh, Abraham, Imbesi, Steven G., Bolar, Divya S.
Format: Artikel
Sprache:eng
Schlagworte:
Arterial spin labeling
ASL
CBF
Cerebral blood flow
Posterior reversible encephalopathy syndrome
PRES
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Zusammenfassung:•Cerebral hyperperfusion was found in 13/20 patients with PRES by ASL MRI.•A hypoperfusion pattern was not identified in any patients.•HTN-induced autoregulatory failure is thus favored as a dominant PRES mechanism.•Quantitative CBF in hyperperfused regions was higher than control regions (p 
ISSN:2213-1582
2213-1582
DOI:10.1016/j.nicl.2022.103017