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The radial artery: a forgotten conduit.
Mario Gaudino1, Filippo Crea1, Federico Cammertoni1
1Department of Cardiovascular Sciences, Catholic University, Rome, Italy.
The Annals of Thoracic Surgery
|March 2, 2015
Summary
The radial artery (RA) graft is superior to the saphenous vein and comparable to the right internal thoracic artery (RITA) for coronary artery bypass grafting. RA is a preferred alternative, especially in high-risk patients.
Area of Science:
- Cardiovascular Surgery
- Vascular Grafting
- Coronary Artery Disease
Background:
- Coronary artery bypass grafting (CABG) relies on various conduits for revascularization.
- The radial artery (RA) and saphenous vein (SV) are commonly used arterial and venous grafts, respectively.
- The right internal thoracic artery (RITA) is another arterial conduit with established efficacy.
Purpose of the Study:
- To evaluate the clinical and angiographic outcomes of radial artery (RA) grafts in coronary operations.
- To compare the performance of RA grafts against other commonly used conduits, specifically the saphenous vein and RITA.
Main Methods:
- Systematic review of published literature.
- Analysis of clinical outcomes (e.g., graft patency, clinical events).
- Assessment of angiographic results (e.g., stenosis, occlusion).
Main Results:
- Radial artery grafts demonstrate superior outcomes compared to saphenous vein grafts.
- RA graft performance is comparable to the right internal thoracic artery (RITA).
- RA may offer advantages over RITA in patients with sternal or pulmonary complications.
Conclusions:
- The radial artery is a preferred conduit over the saphenous vein for CABG.
- The RA is considered at least equivalent to the RITA as a secondary conduit in elective CABG.
- RA should be strongly considered in all elective coronary artery bypass procedures.
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