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Short-Segment Coil Embolization Using a Double-Balloon Technique in an Experimental Vascular Model.

Daisuke Yunaiyama1, Toru Saguchi2, Tomohisa Moriya2

  • 1Department of Radiology, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, Japan. yuunai1211@gmail.com.

Cardiovascular and Interventional Radiology
|February 10, 2017
PubMed
Summary

The double-balloon technique (DBT) achieved significantly tighter hydrocoil packing in a short vascular segment compared to other methods. This suggests DBT is optimal for experimental embolization.

Keywords:
Balloon catheterCoil embolizationDouble-balloon techniqueExperiment

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Area of Science:

  • Interventional Radiology
  • Vascular Embolization
  • Biomedical Engineering

Background:

  • Coil embolization is a key endovascular technique.
  • Achieving tight coil packing in short vascular segments is challenging.
  • Optimizing embolization techniques is crucial for effective treatment.

Purpose of the Study:

  • To assess the feasibility of a novel double-balloon technique (DBT) for short-segment coil embolization.
  • To compare DBT with proximal and distal balloon techniques for coil packing density.
  • To evaluate the efficacy of DBT in an experimental vascular model.

Main Methods:

  • Three embolization techniques were compared: proximal balloon technique (BT), distal BT, and double-balloon technique (DBT).
  • Interventional radiologists performed embolization using hydrocoils in a perfused vascular model.
  • Longitudinal coil mass length and volume embolization rates (VERs) were measured and statistically analyzed.

Main Results:

  • DBT resulted in the shortest coil mass length (5 mm) and highest VER (82.9%).
  • Proximal BT yielded the longest coil mass (26 mm) and lowest VER (15.9%).
  • Distal BT showed intermediate results for coil length (10 mm) and VER (41.4%). Significant differences were found between all techniques (p < 0.001).

Conclusions:

  • The double-balloon technique (DBT) enables significantly tighter hydrocoil packing within a short vascular segment.
  • DBT demonstrated superior performance compared to proximal and distal balloon techniques in this experimental model.
  • DBT is suggested as the optimal technique for achieving dense coil packing in short segments.