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Updated: Jul 11, 2026

Surgical Swine Model of Chronic Cardiac Ischemia Treated by Off-Pump Coronary Artery Bypass Graft Surgery
Published on: March 27, 2018
[Partial sternotomy for off-pump coronary artery bypass grafting]
T Konishi1, M Fukada, M Takeda
1Department of Cardiovascular Surgery, Yokohama Rosai Hospital, Yokohama, Japan.
This study explored off-pump coronary artery bypass grafting using a partial sternotomy. This minimally invasive technique showed promise for enhanced early recovery in cardiac surgery patients.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Cardiac Procedures
- Thoracic Surgery
Context:
- Traditional sternotomy for coronary artery bypass grafting (CABG) involves significant chest wall disruption.
- Off-pump CABG aims to reduce myocardial manipulation and complications.
- Exploring alternative surgical approaches is crucial for improving patient outcomes.
Purpose:
- To evaluate the feasibility and outcomes of off-pump coronary artery bypass grafting (CABG) performed via a partial sternotomy.
- To assess the safety and efficacy of a novel C-shaped sternal incision for minimally invasive CABG.
- To compare early recovery and thoracic stability with conventional sternotomy.
Summary:
- Off-pump CABG was successfully performed using a C-shaped partial sternotomy from the second intercostal space to the xiphoid.
- Left internal mammary arteries were anastomosed to the left anterior descending arteries, and saphenous vein grafts were used for other targets.
- The procedure resulted in excellent thoracic stability and facilitated early patient recovery.
Impact:
- This partial sternotomy approach offers a potentially less invasive option for selected off-pump CABG patients.
- Minimally invasive techniques like this can lead to reduced postoperative pain and shorter hospital stays.
- Further research can validate the long-term benefits and patient selection criteria for this surgical method.
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