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Verfasst von:Förster, Alex [VerfasserIn]   i
 Ramos, Ana [VerfasserIn]   i
 Wenz, Holger [VerfasserIn]   i
 Groden, Christoph [VerfasserIn]   i
 Alonso, Angelika [VerfasserIn]   i
Titel:Computed diffusion-weighted imaging in patients with transient neurovascular symptoms with and without ischemic infarction
Verf.angabe:A. Förster, Ana Ramos, H. Wenz, C. Groden, A. Alonso
Jahr:2024
Umfang:4 S.
Illustrationen:Illustrationen
Fussnoten:Online verfügbar: 1 March 2023 ; Gesehen am 10.07.2024
Titel Quelle:Enthalten in: Journal of neuroradiology
Ort Quelle:Issy-les-Moulineaux : Elsevier Masson, 1995
Jahr Quelle:2024
Band/Heft Quelle:51(2024), 1 vom: Feb., Seite 1-4
ISSN Quelle:1773-0406
Abstract:PURPOSE: Detection of ischemic lesions in patients with transient neurovascular symptoms is relevant for the estimation of the risk of a subsequent stroke and etiological classification. To improve detection rates, different technical approaches have been used, such as diffusion-weighted imaging (DWI) with high b-values or higher magnetic field strength. Here, we sought to investigate the value of computed DWI (cDWI) with high b-values in these patients. - METHODS: From an MRI report database we identified patients with transient neurovascular symptoms who underwent repeated MRI including DWI. cDWI was calculated with a monoexponential model with high b-values (2000, 3000, and 4000 s/mm2) and compared to the routinely used standard DWI with regard to presence of ischemic lesions and lesion detectability. - RESULT: Overall 33 patients with transient neurovascular symptoms (71 [IQR 57-83.5] years; 21 [63.6%] male) were included. On DWI, acute ischemic lesions were observed in 22 (78.6%). Acute ischemic lesions were observed in 17 (51.5%) patients on initial DWI, and in 26 (78.8%) patients on follow-up DWI. Lesion detectability was rated significantly better on cDWI at 2000s/mm2 compared to standard DWI. In 2 (9.1%) patients, cDWI at 2000s/mm2 revealed an acute ischemic lesion proven on follow-up standard DWI which was not detected with certainty on the initial standard DWI. - CONCLUSION: cDWI might be a valuable addition to routinely acquired standard DWI in patients with transient neurovascular symptoms since its use might result in improved ischemic lesion detection. A b-value of 2000s/mm2 seems most promising for clinical practice.
DOI:doi:10.1016/j.neurad.2023.02.007
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1007/10.1016/j.neurad.2023.02.007
 DOI: https://doi.org/10.1016/j.neurad.2023.02.007
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:cDWI
 computed DWI
 Diffusion Magnetic Resonance Imaging
 Female
 Humans
 Infarction
 Ischemic Attack, Transient
 Ischemic lesion
 Male
 Stroke
 Transient ischemic attack
 Transient neurovascular symptoms
K10plus-PPN:1895048451
Verknüpfungen:→ Zeitschrift

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