Key result
Radial artery grafts achieve higher long-term patency than saphenous vein grafts for second arterial bypass.
Why the study?
Does the radial artery provide better long-term patency than the saphenous vein in patients undergoing cardiac surgery?
Systematic Review
Does the radial artery provide better long-term patency than the saphenous vein in patients undergoing cardiac surgery?
Radial artery grafts provide better long-term patency than saphenous vein grafts, supporting their use as a second arterial bypass graft, particularly in patients with severe native-vessel stenosis.
Supports radial artery preference as second CABG conduit; reinforces Level 1 evidence for arterial grafting strategies.
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether the radial artery provides better long-term patency than the saphenous vein. Altogether 379 papers were found using the reported search, of which 12 presented the best evidence to answer the clinical question. The authors, journal, date and country of publication, patient group studied, study type, relevant outcomes and results of these papers are tabulated. We concluded that there is evidence that radial artery grafts have a higher rate of patency than saphenous vein grafts. Surgeons can confidently use the radial artery as a second arterial bypass graft, particularly in patients with severe native-vessel stenosis.
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Georgios P Georghiou (2005) conducted a systematic review in Cardiac surgery requiring bypass grafts. Radial artery graft vs. Saphenous vein graft was evaluated on Long-term patency. Radial artery grafts demonstrated a higher rate of long-term patency compared to saphenous vein grafts, supporting their use as a second arterial bypass graft.
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