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Related Concept Videos

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Related Experiment Video

Updated: Feb 18, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
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Endovascular therapy for ischemic stroke with perfusion-imaging selection.

Bruce C V Campbell1, Peter J Mitchell, Timothy J Kleinig

  • 1The authors' affiliations are listed in the Appendix.

The New England Journal of Medicine
|February 12, 2015
PubMed
Summary

Early endovascular thrombectomy using the Solitaire FR stent retriever significantly improved reperfusion and functional outcomes in ischemic stroke patients. This advanced treatment, combined with CT perfusion imaging, offers better results than alteplase alone.

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Area of Science:

  • Neurology
  • Interventional Radiology
  • Medical Devices

Background:

  • Endovascular therapy for ischemic stroke has shown variable results.
  • Advanced imaging selection and newer devices may improve outcomes.
  • Early intervention is crucial for stroke recovery.

Purpose of the Study:

  • To evaluate the efficacy of advanced imaging selection and early endovascular thrombectomy for ischemic stroke.
  • To compare outcomes between endovascular thrombectomy and alteplase alone.
  • To assess the impact of the Solitaire FR stent retriever on stroke recovery.

Main Methods:

  • Randomized trial comparing endovascular thrombectomy with alteplase alone in ischemic stroke patients.
  • Inclusion criteria: internal carotid or middle cerebral artery occlusion, salvageable brain tissue on CT perfusion imaging.
  • Primary outcomes: reperfusion at 24 hours and early neurologic improvement; secondary outcome: functional outcome at 90 days.

Main Results:

  • The trial was stopped early due to efficacy.
  • Endovascular therapy significantly increased reperfusion (100% vs. 37%) and early neurologic improvement (80% vs. 37%).
  • Improved functional outcomes at 90 days were observed in the endovascular group (71% vs. 40% achieved independence).

Conclusions:

  • Early thrombectomy with the Solitaire FR stent retriever improves reperfusion, early recovery, and functional outcomes in select ischemic stroke patients.
  • CT perfusion imaging is effective in selecting patients for endovascular therapy.
  • This approach represents a significant advancement in acute ischemic stroke treatment.