Key result
Radial artery and saphenous vein grafts show no difference in 2-year patency rates.
Why the study?
Does the presence of a valve in the saphenous vein affect 2-year graft patency compared to saphenous vein without valve or radial artery in patients undergoing CABG?
Cohort (n=50)
No
Does the presence of a valve in the saphenous vein affect 2-year graft patency compared to saphenous vein without valve or radial artery in patients undergoing CABG?
There is no significant difference in 2-year patency rates among radial artery, saphenous vein with valve, and saphenous vein without valve grafts in patients undergoing CABG.
Answers are grounded in this paper and cite their sources.
No difference in 2-year patency by conduit or valve status; should not yet change CABG practice and warrants randomized confirmation.
Introduction: This prospective study investigated the effect of the valves of saphenous veins, which were used as conduits, on patency and the 2-year rate of remaining patency of saphenous vein with valve, saphenous vein without valve, and radial artery (RA) via multislice computerized tomography (MSCT) angiography.Patients and Methods: Between 2014 and 2015, the patients that underwent coronary artery bypass grafting (CABG) using cardiopulmonary bypass (CPB) and cross-clamp (on-pump with cross-clamp) in our clinic were grouped into three groups depending on the graft type.The first group (Group 1) was RA group, the second group (Group 2) was great saphenous vein with valve group, and the third group (Group 3) was great saphenous vein without valve group. Results:The 2-year rates of the remaining patency of these grafts in the decreasing order was as following: RA (87.5%), great saphenous vein without valve (82.4%), and great saphenous vein with valve (78.8%). Conclusion:The rate of remaining patency was not statistically significant among the RA, saphenous vein without valve, and saphenous vein with valve conduits (p> 0.05; RA vs. vein without valve, p= 0.737; RA vs. saphenous vein with valve, p= 0.321; and saphenous vein without valve vs. saphenous vein with valve, p= 0.465).
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Özülkü et al. (2018) conducted a cohort in Coronary artery disease requiring CABG (n=50). Radial artery and saphenous vein grafts (with or without valves) vs. Compared against each other was evaluated on 2-year rate of remaining graft patency via MSCT angiography (p=>0.05). The 2-year patency rates of radial artery, saphenous vein without valve, and saphenous vein with valve conduits were not different.
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