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Related Experiment Videos

[A modified technic for local rt-PA catheter-mediated lysis]

S Müller-Hülsbeck1, J Link, J Brossmann

  • 1Klinik für Radiologische Diagnostik, Christian-Albrechts-Universität zu Kiel.

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|November 1, 1995
PubMed
Summary

This study presents a modified local recombinant tissue plasminogen activator (rt-PA) thrombolysis technique that reduces procedure time and radiation exposure. The economic and efficient concept improves angiography room utilization for peripheral vascular occlusive disease treatment.

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Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Thrombolytic Therapy

Background:

  • Peripheral vascular occlusive disease (PVOD) significantly impacts patient mobility and quality of life.
  • Current thrombolysis methods can be time-consuming and involve substantial radiation exposure.
  • Optimizing treatment protocols for PVOD is crucial for improving patient outcomes and healthcare efficiency.

Purpose of the Study:

  • To develop an economic, efficient, and time-saving approach for local rt-PA thrombolysis.
  • To reduce procedure time and radiation exposure in patients with PVOD.

Main Methods:

  • A modified local rt-PA catheter thrombolysis technique was applied to 40 patients with PVOD (Fontaine stage IIb-III).
  • Catheter advancement through thrombus was performed without fluoroscopic control, outside the angiography room.

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  • Procedures included short-term lysis (24 cases) and long-term lysis (16 cases).

    • Main Results:

    • Achieved an initial success rate of 75% and a 6-month patency rate of 66.7%.
    • Significantly reduced angiography room occupancy time (average 60 min) and fluoroscopy time (average 17 min).
    • No relevant clinical complications were reported, with an improved ankle-brachial index (0.4 to 0.8).

    Conclusions:

    • Modified local rt-PA thrombolysis, performed outside the angiography room, effectively reduces radiation exposure for patients and staff.
    • This approach enhances angiography room efficiency, allowing for increased patient throughput.
    • The developed concept offers an economic and time-saving alternative for treating PVOD.