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Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
09:21

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

[Patient selection for thrombolysis using perfusion and diffusion MRI. An overview]

G Thomalla1, P Ringleb, M Köhrmann

  • 1Klinik und Poliklinik für Neurologie, Neuro-Zentrum, Universitätsklinikum Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Deutschland.

Der Nervenarzt
|January 23, 2009
PubMed

Insights

Multiparametric MRI, using perfusion and diffusion imaging, helps identify salvageable brain tissue after stroke. This advanced imaging guides timely reperfusion therapy, improving outcomes for stroke patients.

Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Context:

  • Multiparametric MRI, including diffusion and perfusion imaging, assesses ischemic tissue extent.
  • Magnetic resonance angiography evaluates vessel status.
  • Perfusion-diffusion mismatch quantifies salvageable brain tissue at risk of infarction.

Purpose:

  • To evaluate the role of perfusion-diffusion mismatch in guiding thrombolysis for acute ischemic stroke.
  • To assess the safety and efficacy of MRI-based thrombolysis beyond 3 hours from symptom onset.

Summary:

  • Perfusion-diffusion mismatch imaging aids in identifying tissue at risk, potentially salvageable by reperfusion.
  • Non-randomized studies suggest good safety and efficacy for mismatch-based thrombolysis after 3 hours.
  • Reperfusion is a key predictor of clinical response to thrombolysis.

Impact:

  • MRI-based thrombolysis can be considered after 3 hours based on individual benefit:risk assessment in experienced stroke centers.
  • Improved understanding of mismatch concept enhances stroke treatment strategies.
  • Highlights the importance of advanced neuroimaging in acute stroke management.

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