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Distal Versus Conventional Transradial Artery Access for Coronary Angiography and Intervention: A Meta-Analysis
Mohanad Hamandi1, Marwan Saad2, Rimsha Hasan3
1Department of Interventional Cardiology, Baylor Scott & White-The Heart Hospital, Plano, TX, USA.
Summary
Distal transradial artery access (dTRA) is a safe and effective alternative to conventional transradial artery access (cTRA) for coronary procedures. This novel technique showed a lower rate of radial artery occlusion compared to cTRA.
Area of Science:
- Cardiology
- Interventional Cardiology
- Vascular Access
Background:
- Distal transradial artery access (dTRA) is an emerging technique for coronary angiography and interventions.
- The comparative safety and efficacy of dTRA versus conventional TRA (cTRA) are not well-established.
Purpose of the Study:
- To evaluate the clinical outcomes of dTRA compared to cTRA in patients undergoing coronary angiography and interventions.
Main Methods:
- A systematic review and meta-analysis of studies comparing dTRA and cTRA was conducted.
- Data from PubMed and Cochrane Library databases were analyzed up to April 2019.
- Key outcomes included access site failure, hematoma, spasm, dissection, and occlusion.
Main Results:
- Analysis of five studies (3209 dTRA, 3537 cTRA) revealed similar access site failure rates between dTRA and cTRA.
- No significant differences were observed in hematoma, radial artery spasm, or dissection rates.
- Distal TRA demonstrated a significantly lower rate of radial artery occlusion compared to conventional TRA (2.30% vs. 4.86%).
Conclusions:
- Distal transradial artery access is a safe and effective alternative to conventional TRA.
- Further randomized controlled trials are warranted to confirm these findings and explore the full potential of dTRA.
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