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16.02.2021 | Original Article

Multimodal CT pc-ASPECTS in infratentorial stroke: diagnostic and prognostic value

verfasst von: Paola Caruso, Mariana Ridolfi, Carlo Lugnan, Milos Ajčević, Giovanni Furlanis, Giulia Bellavita, Roberta Antea Pozzi Mucelli, Adrian Zdjelar, Maja Ukmar, Marcello Naccarato, Alex Buoite Stella, Paolo Manganotti

Erschienen in: Neurological Sciences | Ausgabe 10/2021

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Abstract

Background and purpose

Diagnosis of posterior circulation stroke may be challenged. National Institutes of Health Stroke Scale (NIHSS) and brain imaging (non-contrast brain computed tomography-CT) are used for diagnosis; evaluation on posterior circulation stroke remains a limit of NIHSS, and the value of non-contrast CT (NCCT) is limited due to artifacts caused by the bones of the base of the skull. We tested the validity and prognostic value of posterior circulation Alberta Stroke Program Early CT Score (pc-ASPECTS) in patients with posterior circulation stroke.

Methods

Pc-ASPECTS allots the posterior circulation 10 points. We studied 50 patients with posterior circulation stroke. We applied pc-ASPECTS to NCCT, CT angiography, and CT Perfusion. We evaluated the correlation of pc-ASPECT with outcome parameters for stroke.

Results

Out of 50 patients, CTP showed abnormalities in 34 cases. The pc-ASPECT score calculated on brain CT and on the brain CT + angio CT had a sensibility of 24%, calculated on brain CT, angio CT and CTPerfusion gain a sensibility of 72%. Pc-ASPECT MTT resulted to be the more reliable parameter: outcome given by NIHSS score at discharge, mRS at discharge, and at 3 months was more severe in patients with Pc-ASPECT MTT alteration. Outcome given by NIHSS score at discharge and mRS at discharge and 1 at 3 months was more severe in patients with higher NIHSS score at admission.

Conclusion

We evaluated the usefulness of pc-ASPECTS on CTP in predicting functional outcome in acute posterior circulation stroke that appears to be a powerful marker for predicting functional outcome.

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Titel: Multimodal CT pc-ASPECTS in infratentorial stroke: diagnostic and prognostic value
verfasst von: Paola Caruso
Mariana Ridolfi
Carlo Lugnan
Milos Ajčević
Giovanni Furlanis
Giulia Bellavita
Roberta Antea Pozzi Mucelli
Adrian Zdjelar
Maja Ukmar
Marcello Naccarato
Alex Buoite Stella
Paolo Manganotti
Publikationsdatum: 16.02.2021
Verlag: Springer International Publishing
Erschienen in: Neurological Sciences / Ausgabe 10/2021
Print ISSN: 1590-1874
Elektronische ISSN: 1590-3478
DOI: https://doi.org/10.1007/s10072-021-05072-x

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Multimodal CT pc-ASPECTS in infratentorial stroke: diagnostic and prognostic value

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Background and purpose

Methods

Results

Conclusion

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