Magnetic Resonance Imaging in Ischemic Stroke

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Familiarity with the imaging manifestations of these 2 disease processes is crucial for any radiologist reading brain MR studies. In this review, the fundamentals of image interpretation will be addressed in-depth. Furthermore, advanced imaging techniques which are redefining the role of emergency MRI will be outlined, with a focus on the pathophysiological mechanisms that underlie image interpretation.

In particular, emerging data surrounding the use of MR perfusion imaging in acute stroke management portend dramatic shifts in neurointerventional management. To this end, a review of the recent stroke literature will hopefully enhance the radiologist's role in both meaningful reporting and multidisciplinary teamwork. Reprints: Daniel A. You may be trying to access this site from a secured browser on the server. Please enable scripts and reload this page. Wolters Kluwer Health may email you for journal alerts and information, but is committed to maintaining your privacy and will not share your personal information without your express consent.

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Biomedical papers, 2009 (vol. 153), issue 3

Separate multiple e-mails with a ;. Send a copy to your email. Some error has occurred while processing your request. Detection of diffusionweighted MRI abnormalities in patients with transient ischemic attack. Correlation with clinical characteristics. Apparent diffusion coeficient decreases and magnetic resonance imaging perfusion parameters are associated in ischemic tissue of acute stroke patients. Diffusion MRI in patiens with transient ischemic attacks.

Neuro-imaging of cerebral ischemic stroke - EM|consulte

CT and diffusion-weighted MR-imaging in randomized order: DWI results in higher accuracy and interrater variability in the diagnosis of hyperacute ischemic stroke. Stroke MRI Steinkopff Verlag, Darmstadt, p Multislice diffusion mapping of 3-D evolution of cerebral ischemia in rat stroke model. High-speed MR imaging of ischemic brain injury folowing stenosis of the middle cerebral Artury. J cereb Blodd Flow Metab ; Diagnostic use of isotropic diffusion-weighted MRI in patients with ischemic stroke: detection of the lesion responsible for the clinical deficit.


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Multiple brain infarcts: clinical and neuroimaging patterns using diffusion-weighted magnetic resonance. Eur Neurol ; Impact of diffusion-weighted MRI-measured initial cerebral infarction volume on clinical outcome in acute stroke patients with middle cerebral artery occlusion treated by thrombolysis.

Acute subarachnoid haemorrhage: MR Imaging with fluid attenuated inversion recovery pulse sequences. Fluid attenuated inversion recovery and diffusion. Radiat Med ; MRI features of intracerebral hemorrhage within 2 hours from symptom onset.

Ultra-acute CT perfusion imaging

Magnetic resonance imaging detection of microbleeds before thrombolysis: an emerging application. Keller P. Time of flight magnetic resonance angiography. Neuroimaging Clin N Am ; 4: Cerebral MR angiography with multiple overlapping thin slab acquisition. Acute cerebral ischemia: evaluation with dynamic contrast-enhanced MR imaging and MR angiography.

Bibliographic Information

Poststenotic signal loss in MR angiography; effects of echo time, flow compensation and fractional echo. Intracranial vascular stenosis and occlusion: diagnostic accuracy of three-dimensional, Fourier transform, time-of-flight MR angiography. Variability of magnetic resonance angiography and computed tomography angiography in grading middle cerebral artery stenosis. Asymptomatic middle cerebral artery stenosis diagnosed by magnetic resonance angiography.

Magnetic resonance imaging of flow dynamics in circle of Willis. Circle of Willis collateral flow investigated by magnetic resonance angiography. Impact on stroke subtype diagnosis of early diffusion-weighted magnetic resonance imaging and magnetic resonance angiography. Intracranial circulation: preliminary clinical experience with three-dimensional volume MR angiography.

THE ROLE OF MAGNETIC RESONANCE IMAGING FOR ACUTE ISCHEMIC STROKE

Preoperative assessment of the carotid bifurcation: can magnetic resonance angiography and duplex ultrasonography replace contrast arteriography? High-resolution contrast-enhanced magnetic resonance angiography of the carotid arteries using fluoroscopic monitoring of contrast arrival: diagnostic accuracy and interobserver variability. Acta Radiol ; Semiautomatic segmentation and stenosis quantification of 3D contrast-enhanced MR angiograms of the internal carotid artery.

Magn Reson Med ; J Vasc Surg ; Carotid artery: elliptic centric contrastenhanced MR angiography compared with conventional angiography. Time-resolved contrast-enhanced magnetic resonance angiography of the carotid arteries: diagnostic accuracy and inter-observer variability compared with selective catheter angiography. Invest Radiol ; Perfusion imaging by nuclear magnetic resonance.

Magn Reson Q ; 5: Perfusion-weighted MRI in Stroke. Magnetic resonance imaging in stroke. Cambridge University Press , pp Perfusionweighted MRI.

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Stroke MRI. Steinkopff Verlag, Darmstadt , pp Go to original source N Engl J Med ; Enlargement of human cerebral ischemic lesion volumes measured by diffusion-weighted magnetic resonance imaging. Warach S. Thrombolysis in stroke beyond three hours: Targeting patients with diffusion and perfusion MRI.

Refining the perfusion-diffusion mismatch hypothesis.


  • Biomedical Papers: THE ROLE OF MAGNETIC RESONANCE IMAGING FOR ACUTE ISCHEMIC STROKE.
  • THE ROLE OF MAGNETIC RESONANCE IMAGING FOR ACUTE ISCHEMIC STROKE;
  • Magnetic Resonance Imaging in Acute Ischemic Stroke Treatment?

Beyond mismatch: evolving paradigms in imaging the ischemic penumbra with multimodal magnetic resonance imaging. Cerebral oxygen metabolism and blood flow in human cerebral ischemic infarction. J Cereb Flow Metab ; 2: Measurement of regional cerebral blood flow, oxygen extraction ratio and oxygen utilisation in stroke patients using positron emission tomography. Ex Brain res ; The effect of spontaneous reperfusion on metabolite function in early human cerebral infarcts. Dynamic penumbra demonstrated by sequential multitracer PET after middle cerebral artery occlusion in cats.

J Neuroimaging ; Early magnetic resonance imaging findings in patients receiving tissue plasminogen activator predict outcome: Insights into the pathophysiology of acute stroke in the thrombolysis era. Lancet ; MRI versus CT-based thrombolysis treatment within and beyond the 3 h time window after stroke onset: a cohort study. Lancet Neurol ; 5: MRI-based and CT-based thrombolytic therapy in acute stroke within and beyond established time windows: an analysis of 1, patients. J Magn Reson Imaging ; Magn Reson Imaging ;