Long-term results of myocardial revascularization by direct and sequential venous grafts in multiple-vessel coronary artery disease

Rafaeli I.R.; Pankov A.N.; Semitko S.P.

doi:https://doi.org/10.17116/kardio20231601117

Rafaeli I.R.

Research and Practical Center for Interventional Cardiac Angiology of the Sechenov First Moscow State Medical University

Pankov A.N.

Research and Practical Center for Interventional Cardiac Angiology of the Sechenov First Moscow State Medical University

Semitko S.P.

Research and Practical Center for Interventional Cardiac Angiology of the Sechenov First Moscow State Medical University

Long-term results of myocardial revascularization by direct and sequential venous grafts in multiple-vessel coronary artery disease

Authors:

Rafaeli I.R., Pankov A.N., Semitko S.P.

More about the authors

Journal: Russian Journal of Cardiology and Cardiovascular Surgery. 2023;16(1): 17‑23

DOI: 10.17116/kardio20231601117

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To cite this article:

Rafaeli IR, Pankov AN, Semitko SP. Long-term results of myocardial revascularization by direct and sequential venous grafts in multiple-vessel coronary artery disease. Russian Journal of Cardiology and Cardiovascular Surgery. 2023;16(1):17‑23. (In Russ.)
https://doi.org/10.17116/kardio20231601117

Подписка 2026 Кардиология и сердечно-сосудистая хирургия (Russian Journal of Cardiology and Cardiovascular Surgery)

Использование инфографики авторами научных работ

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OBJECTIVE

To analyze direct and sequential venous conduits in long-term period after coronary artery bypass surgery.

MATERIAL AND METHODS

We analyzed coronary angiography data in 258 patients operated on between 2015 and 2020. Inclusion criterion was coronary artery bypass grafting with direct or sequential venous conduits excluding left anterior descending artery. We assessed 505 direct and 124 sequential grafts. The long-term results of coronary artery bypass surgery and major anatomical and topographic coronary factors influencing functional viability of venous conduits were analyzed.

RESULTS

Satisfactory function of conduits regardless the type of the graft was observed in 79.3% of cases, dysfunction — in 3.1% of cases, occlusion — in 17.6% of cases. Functional viability of direct grafts was significantly lower compared to sequential grafts (78.4 vs. 83.1%, p<0.05). Sequential conduits are more preferable for coronary arteries >1.5 mm and ≤1.5 mm (88.5 vs. 82.0% (for arteries >1.5 mm) and 76.6 vs. 63.2% (for arteries ≤1.5 mm), p<0.05). Function of different conduits does not depend on coronary artery pool.

CONCLUSION

Sequential anastomoses are preferred for revascularization of arteries <1.5 mm. One should consider that state of bypassed coronary artery determines patency of the conduit.

Keywords:

sequential conduit

coronary artery bypass grafting

Authors:

Rafaeli I.R.

Research and Practical Center for Interventional Cardiac Angiology of the Sechenov First Moscow State Medical University

Pankov A.N.

Research and Practical Center for Interventional Cardiac Angiology of the Sechenov First Moscow State Medical University

Semitko S.P.

Research and Practical Center for Interventional Cardiac Angiology of the Sechenov First Moscow State Medical University

Received:

27.11.2021

Accepted:

14.02.2022

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References:

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