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May 8, 2026European Stroke JournalOpen Access

Abstract Number: Esoc2026ys275 a Comparative Study of Ct-Perfusion/MR-Dwi Mismatch in Medium/Distal Vessel Occlusion; Are Perfusion Maps Made for an Lvo-World?

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Authors

NNNikolaos NtouliasHCHélène CorbazPCPhilippe Cattin

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Overview

Retrospective study investigates perfusion maps in predicting infarct outcomes in MDVOs, suggesting limitations.

Key Points

  • This study aims to assess the accuracy of standard perfusion maps in predicting infarct outcomes for medium and distal vessel occlusions.
  • Retrospective single-center observational cohort study with 71 MDVO patients.
  • Utilized RapidAI-CTP to create four perfusion maps and compared them with manual diffusion-weighted MRI infarct segmentation.
  • Analyzed spatiotemporal correspondence using various metrics.
  • Initial findings indicate poor representation of infarct core by perfusion maps.
  • Challenges in accurately predicting final infarct in MDVOs were noted.
  • Further interpretation and analysis of findings are ongoing.

Cite This Study

Ntoulias et al. (2026) studied this question.

synapsesocial.com/papers/69fd7f25bfa21ec5bbf0795dhttps://doi.org/10.1093/esj/aakag023.1294
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Also Consider

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  4. 4Abstract TP241: Redefining Ischemic Core, Penumbra, and Target Mismatch on CT Perfusion in Acute Anterior Distal Medium Vessel Occlusions2026
  5. 5Comparison Between Perfusion and Non-Perfusion CT Neuroimaging in the Diagnosis of Acute Stroke-Can We Achieve a Similar Clinical Outcome?2026