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Related Experiment Videos

Combined IV-intra-arterial thrombolysis: a color-coded duplex pilot study.

F Perren1, J Loulidi, R Graves

  • 1Department of Neurology, University Hospital and Medical School of Geneva, Geneva, Switzerland. fabienne.perren@hcuge.ch

Neurology
|July 26, 2006
PubMed
Summary
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Combined intravenous-intra-arterial thrombolysis significantly improved middle cerebral artery blood flow and recanalization in stroke patients compared to intravenous thrombolysis alone. This approach is particularly effective for severe occlusions.

Area of Science:

  • Neuroscience
  • Vascular Neurology
  • Medical Imaging

Background:

  • Stroke is a leading cause of disability.
  • Timely recanalization of occluded cerebral arteries is crucial for improving outcomes.
  • Intravenous thrombolysis (IVT) is a standard treatment, but its efficacy is limited in severe occlusions.

Purpose of the Study:

  • To compare the effectiveness of combined intravenous-intra-arterial (IV-IA) thrombolysis versus IV thrombolysis alone.
  • To evaluate changes in transcranial color-coded duplex (TCCD) patterns of middle cerebral arteries (MCAs) post-thrombolysis.
  • To assess the incidence of complete MCA recanalization in first-ever stroke patients.

Main Methods:

  • Consecutive first-ever stroke patients were included.
  • TCCD was used to assess MCA blood flow patterns before and after treatment.

Related Experiment Videos

  • Patients received either IV thrombolysis or combined IV-IA thrombolysis.

    • Main Results:

    • Combined IV-IA thrombolysis demonstrated greater improvement in MCA flow signals compared to IV thrombolysis.
    • A higher incidence of complete MCA recanalization was observed with combined IV-IA thrombolysis.
    • These benefits were particularly pronounced in patients with occluded or minimally flowing MCAs.

    Conclusions:

    • Combined IV-IA thrombolysis is more effective than IV thrombolysis alone for achieving MCA recanalization in acute stroke.
    • TCCD is a valuable tool for monitoring treatment response and assessing recanalization.
    • The findings support the use of combined IV-IA thrombolysis for severe MCA occlusions.