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Reoperative coronary artery bypass grafting using a minimally invasive direct coronary artery bypass procedure
T Ueda1, T Kawata, K Mizuguchi
1Department of Surgery III, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8522, Japan.
Insights
Minimally invasive coronary artery bypass grafting is safe for reoperative procedures. This approach offers effective revascularization for selected patients needing repeat bypass surgery, with good graft patency and low complication rates.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Cardiac Surgery
- Coronary Artery Bypass Grafting
Background:
- Reoperative coronary artery bypass grafting (CABG) using cardiopulmonary bypass is associated with increased mortality and morbidity compared to primary operations.
- Minimally invasive techniques may offer a safer alternative for patients requiring repeat CABG.
Purpose of the Study:
- To evaluate the effectiveness and safety of minimally invasive coronary artery bypass grafting in patients with prior CABG surgery.
Main Methods:
- Performed minimally invasive redo single coronary artery bypass grafting on 12 patients.
- Grafts targeted the left anterior descending (LAD) or right coronary artery (RCA).
- Graft sources included left internal thoracic artery, right gastroepiploic artery, and saphenous vein.
Main Results:
- All performed grafts were patent postoperatively.
- No major postoperative complications or in-hospital deaths occurred.
- One late death was observed, with no surgical or hospital mortality in the initial cohort.
Conclusions:
- Minimally invasive coronary artery bypass re-grafting to the LAD or RCA is feasible and safe in selected patients.
- This approach provides complete revascularization with favorable early outcomes.
- Minimally invasive surgery represents a viable option for redo CABG.
Objective:
Reoperative coronary artery bypass grafting with cardiopulmonary bypass tends to cause a higher mortality and morbidity than the primary operation. The purpose of this study was to discuss the effectiveness and safety of a minimally invasive coronary artery bypass procedure for patients who had previously undergone coronary artery bypass surgery.
Methods:
We performed redo single coronary artery bypass grafting to the left anterior descending coronary artery in 9 patients and to the right coronary artery in 3 patients using minimally invasive cardiac surgery. The graft to the left anterior descending coronary artery was taken from the left internal thoracic artery in 5 patients, the right gastroepiploic artery in 3 patients, and from the saphenous vein in the other 1 patient. The graft to the right coronary artery was from the right gastroepiploic artery in all 3 patients.
Results:
All grafts were patent. There was no major postoperative complication and no surgical or hospital death except one late death.
Conclusions:
In selected patients, we could safely and completely perform coronary artery bypass re-grafting to the left descending coronary artery or right coronary artery using a minimally invasive operation.