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Related Experiment Videos

New catheter for endovascular interventional procedures.

Y Kikuchi1, C M Strother, M Boyer

  • 1Department of Radiology, University of Wisconsin Clinical Science Center, Madison 53792.

Radiology
|December 1, 1987
PubMed
Summary
This summary is machine-generated.

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A novel polyethylene catheter facilitates precise navigation in complex vasculature for angiography, embolization, and chemotherapy delivery. This new interventional tool demonstrated high success rates in intracranial and extracranial procedures.

Area of Science:

  • Interventional Radiology
  • Vascular Surgery
  • Oncology

Background:

  • Selective angiography, embolization, and targeted chemotherapy infusion require specialized catheter systems.
  • Navigating tortuous and distal vessels presents significant challenges in endovascular procedures.

Purpose of the Study:

  • To describe a new composite polyethylene catheter designed for enhanced precision in complex vascular interventions.
  • To evaluate the catheter's efficacy and safety in intracranial and extracranial procedures.

Main Methods:

  • The catheter features a graded shaft thickness and outer diameter (2.7-F tip to 3-F proximal).
  • It is designed for use with a 0.018-inch or smaller steerable guide wire for improved distal access.
  • The catheter's performance was assessed in 22 intracranial and extracranial intervention procedures across 11 patients.

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Main Results:

  • The new catheter enabled successful placement in distal and tortuous vessels.
  • Twenty out of 22 (90.9%) intervention procedures were successfully completed using the described catheter.
  • The catheter proved effective for selective angiography, embolization, and chemotherapeutic agent infusion.

Conclusions:

  • The described composite polyethylene catheter is a valuable tool for advanced endovascular interventions.
  • Its design facilitates precise navigation and successful treatment delivery in challenging neurovascular and peripheral vascular cases.
  • The catheter shows promise for improving outcomes in procedures requiring selective infusion and embolization.