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Transradial Coronary Angiography--Insights to the One-Catheter Concept

Christoph Langer1,2, Julia Riehle1, Norbert Frey1

  • 1Department of Cardiology, Angiology and Critical Care Medicine, University Medical Center Schleswig-Holstein, Campus Kiel, Christian-Albrechts-Universität Kiel, Kiel, Germany.

Journal of Interventional Cardiology
|January 30, 2016
PubMed

Insights

The Tiger_II catheter offers better right coronary ostia engagement during transradial coronary angiography (TRC). However, it may cause left coronary ostia instability, suggesting a switch to Judkins catheters when needed.

Area of Science:

  • Interventional Cardiology
  • Vascular Imaging

Background:

  • Transradial coronary angiography (TRC) utilizes single catheters for both right and left coronary ostia (R/LCO) engagement.
  • Catheter selection impacts procedural efficiency and patient safety in TRC.

Purpose of the Study:

  • To evaluate the ostial performance of the Tiger_II catheter in transradial coronary angiography.
  • To compare the Tiger_II catheter's efficacy and stability against Judkins catheters for R/LCO engagement.

Main Methods:

  • A bicentric study involving 2953 patients undergoing TRC.
  • Analysis of ostial engagement, stability, and procedural outcomes using the Tiger_II catheter.
  • Comparison with Judkins catheters regarding contrast volume and radiation exposure.

Main Results:

  • The Tiger_II catheter demonstrated superior engagement in the right coronary ostia (RCO) across various sizes.
  • Increased ostial instability was observed with the Tiger_II catheter in the left coronary ostia (LCO) compared to Judkins catheters.
  • Judkins catheters generally required higher peri-procedural contrast and radiation doses.

Conclusions:

  • The Tiger_II catheter is effective for RCO engagement in TRC.
  • Consideration of LCO instability with Tiger_II may necessitate switching to Judkins catheters.
  • A strategy of initiating TRC with 5F Tiger_II followed by a potential switch to 5F Judkins can optimize outcomes.

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