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[Embolization with gelatin-impregnated microspheres]

B B Wein1, R W Günther

  • 1Klinik für Radiologische Diagnostik, Universitätsklinikum Aachen.

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|March 31, 1998
PubMed
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New gelatin-coated microspheres offer a controllable and effective solution for peripheral embolization in end arteries. These microspheres demonstrate excellent physical properties for superselective procedures.

Area of Science:

  • Interventional Radiology
  • Vascular Surgery
  • Biomaterials

Background:

  • Embolization is a critical procedure for treating various vascular conditions.
  • The development of advanced embolic agents is crucial for improving procedural outcomes.
  • Current materials may have limitations in terms of handling, control, and efficacy in small vessels.

Purpose of the Study:

  • To introduce and evaluate a novel, easy-to-handle gelatin-coated microsphere for embolization.
  • To assess the suitability of these microspheres for peripheral embolization in small end arteries.
  • To determine the safety and efficacy of the new embolic material.

Main Methods:

  • A total of 13 superselective embolization procedures were performed using coaxial catheters.

Related Experiment Videos

  • Gelatin-coated microspheres in three size ranges (300-500, 500-700, 700-900 microns) were injected.
  • Targeted vessels included bronchial, vertebral, and pudendal arteries.

    • Main Results:

    • Complete occlusion of the targeted vessels was achieved in all cases.
    • The embolization procedure was well-controlled due to the microspheres' suspension in contrast medium and ease of indirect location.
    • One transient adverse event (dysesthesia) was noted, with no other complications reported.

    Conclusions:

    • Ready-for-use gelatin-coated microspheres are an excellent alternative for superselective embolization of end arteries.
    • Their defined particle size, spherical shape, and physical properties contribute to effective and controlled embolization.
    • This new material enhances the options available for peripheral embolization procedures.