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Published on: September 15, 2023
Redo off-pump coronary artery bypass grafting for high risk hemodialysis patients
Shin-ichi Osaka1, Hajime Ohsawa, Akihiro Nabuchi
1Cardiovascular Center, Teikyo University Ichihara Hospital, Chiba Prefecture, Japan. shinichi-osaka@pop06.odn.ne.jp
Insights
Redo off-pump coronary artery bypass grafting (OPCAB) is a viable option for patients on hemodialysis with complex aortic calcification. This technique, using specific arterial and venous grafts, offers a safe and effective solution for revascularization.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery Outcomes
- Minimally Invasive Cardiac Surgery
Background:
- Increasing prevalence of reoperative coronary artery bypass grafting (CABG) in patients undergoing long-term hemodialysis.
- Off-pump CABG (OPCAB) as a potential strategy to mitigate risks in redo CABG procedures.
Observation:
- Two patients with chronic hemodialysis and calcified ascending aorta underwent redo double coronary OPCAB.
- Surgical approach involved median sternotomy with specific bypass strategies for LAD and PDA.
- Left internal thoracic artery (LITA) used for LAD bypass; composite graft (RITA/SV) for PDA.
Findings:
- Both patients experienced uncomplicated, rapid recovery post-surgery.
- Postoperative angiography confirmed graft patency in one patient.
- Patients remained angina-free at 6 and 3 months follow-up.
Implications:
- Redo OPCAB for LAD and PDA is feasible with minimal dissection via median sternotomy.
- Successful utilization of LITA and composite RITA/SV grafts in this challenging patient cohort.
- Demonstrates a safe and effective surgical option for complex redo CABG in hemodialysis patients.
Background:
The number of reoperative (redo) coronary artery bypass grafting (CABG) for patients with long-term hemodialysis has been increasing. Off-pump CABG (OPCAB) may decrease risks associated with redo CABG.
Methods:
Two patients on chronic hemodialysis with calcification of the ascending aorta underwent redo double coronary OPCAB for the left anterior descending artery (LAD) and the posterior descending artery (PDA) via median sternotomy. The LAD was bypassed with the left internal thoracic artery (LITA). The PDA was exposed with minimum dissection and bypassed with a composite graft of the right internal thoracic artery (RITA) and the saphenous vein (SV).
Results:
Both patients made a quick recovery with no complications and one had postoperative angiography that showed the patent grafts. Both patients were free from angina pectoris at follow-up of 6 months and 3 months, respectively.
Conclusion:
Redo OPCAB of the LAD and PDA can be performed with minimal dissection via median sternotomy using the LITA and a composite graft of the RITA and SV.
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