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Coronary-coronary bypass using internal mammary artery
H Nishida1, H Soltanzadeh, R K Grooters
1Department of Surgery, Iowa Methodist Medical Center, Des Moines 50309.
Insights
A free right internal mammary artery graft successfully bypassed a blocked right coronary artery when saphenous vein grafts were unavailable. This technique offers a viable option for revascularizing distal coronary vessels.
Area of Science:
- Cardiovascular Surgery
- Vascular Grafting
Background:
- Coronary artery disease necessitates bypass grafting when stenotic lesions are severe.
- Saphenous vein grafts are commonly used but may not always be available.
- Internal mammary artery grafts offer long-term patency rates in coronary artery bypass surgery.
Observation:
- A free right internal mammary artery graft was utilized for bypass in a patient lacking suitable saphenous vein.
- The graft's proximal end was connected to the right coronary artery, and the distal end to the posterior descending artery.
Findings:
- Successful coronary-coronary bypass was achieved using a free internal mammary artery graft.
- This approach enabled revascularization of a distal coronary artery segment.
Implications:
- Free internal mammary artery grafts represent a valuable alternative for complex coronary artery bypass when standard options are limited.
- This surgical strategy expands treatment possibilities for patients with extensive or inaccessible coronary artery disease.
- Further research may explore the long-term outcomes of free internal mammary artery grafts in such scenarios.
Abstract:
A free right internal mammary artery was used to bypass the right coronary artery in a patient with no available saphenous vein. The proximal end of the right internal mammary artery was anastomosed to the proximal right coronary artery, and the distal end of the free graft was anastomosed to the posterior descending coronary artery. Coronary-coronary bypass using a free internal mammary artery is an attractive approach to bypassing very distal vessels when other conventional grafting techniques are not possible.