Key result
Microsurgery significantly improved long-term patency rates of saphenous vein grafts compared to the standard coronary bypass technique (81% vs 38%, p<0.005).
Why the study?
The study evaluated using an operating microscope to allow a suturing technique that minimizes anastomosis restriction in order to improve patency rates in coronary bypass grafting.
Does a microsurgical technique improve long-term patency rates of saphenous vein grafts compared to standard technique in patients undergoing coronary bypass surgery?
Cohort (n=388)
Single-blind
Yes
Does a microsurgical technique improve long-term patency rates of saphenous vein grafts compared to standard technique in patients undergoing coronary bypass surgery?
The use of a microsurgical technique for coronary bypass grafting significantly improves long-term angiographic patency rates of saphenous vein grafts compared to the standard surgical technique.
Microsurgery was associated with higher saphenous vein graft patency; hypothesis-generating and requires randomized confirmation before practice change.
To improve patency rates in coronary bypass grafting we borrowed from microsurgery the use of the operating microscope allowing a suturing technique that minimizes anastomosis restriction. When compared to the standard technique, microsurgery afforded considerably greater long term vein grafts patency rates (43 parole).
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S Spagnolo (2019) conducted a cohort in Coronary artery disease requiring bypass surgery (n=388). Microsurgical technique for coronary bypass grafting vs. Standard coronary bypass technique was evaluated on Long-term patency rate of saphenous vein grafts (p=<0.005). Microsurgery significantly improved long-term patency rates of saphenous vein grafts compared to the standard coronary bypass technique (81% vs 38%, p<0.005).
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