Meta-Analysis Comparing Distal Radial Versus Traditional Radial Percutaneous Coronary Intervention or Angiography

Yasar Sattar1, Usama Talib2, Mohammed Faisaluddin3

  • 1Division of Cardiovascular Medicine, West Virgina University, Morgantown, WV.

Insights

Distal radial (DR) access for percutaneous coronary intervention (PCI) shows a lower risk of radial artery occlusion (RAO) compared to traditional radial (TR) access. Other procedural complications were similar between DR and TR access methods.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Vascular Access Techniques

Background:

  • Limited comparative data exists for distal radial (DR) versus traditional radial (TR) access in coronary angiography and percutaneous coronary intervention (PCI).
  • Understanding the safety and efficacy of different radial access sites is crucial for optimizing patient outcomes in interventional cardiology.

Purpose of the Study:

  • To compare the outcomes of distal radial (DR) access versus traditional radial (TR) access for coronary angiography and PCI.
  • To evaluate the rates of radial artery occlusion (RAO), access failure, and other access site-related complications between DR and TR access.

Main Methods:

  • A systematic review and meta-analysis of studies comparing DR and TR access for PCI was conducted.
  • Online databases (Medline, Cochrane Central) were searched to identify relevant studies.
  • Primary outcomes included radial artery occlusion (RAO) and access failure; secondary outcomes comprised hematoma, bleeding, pain, spasm, dissection, and crossover rates. A random-effect model was used for analysis.

Main Results:

  • The meta-analysis included 16 studies with 9,973 patients (DR: 4,750; TR: 5,523).
  • Distal radial (DR) access was associated with a significantly lower risk of radial artery occlusion (RAO) compared to traditional radial (TR) access (OR 0.51, p=0.02).
  • No significant differences were observed in access failure rates, hematoma, bleeding, pain, spasm, dissection, or crossover between DR and TR access.

Conclusions:

  • Distal radial (DR) access demonstrates a lower incidence of radial artery occlusion (RAO) compared to traditional radial (TR) access.
  • Procedural complications such as access failure, bleeding, and pain are comparable between DR and TR access methods.
  • DR access may be a favorable alternative to TR access, particularly for reducing the risk of radial artery occlusion.

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