Related Experiment Videos
Coronary artery bypass via diaphragmatic approach with free graft
Norihiro Kondo1, Kenji Takahashi, Masahito Minakawa
1Department of Cardiovascular Surgery, Aomori Rousai Hospital, Hachinohe, Japan.
Insights
This minimally invasive technique protects bypass grafts and heart muscle during coronary artery bypass graft reoperation. It utilizes the right gastroepiploic artery or a gastroduodenal artery graft via a diaphragmatic approach.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Cardiac Surgery
Background:
- Coronary artery bypass graft (CABG) reoperation carries risks of injury to existing grafts and myocardium during median sternotomy.
- Median sternotomy is the conventional approach for CABG reoperation, posing potential risks to vital cardiac structures.
Observation:
- A modified minimally invasive direct coronary artery bypass (MIDCAB) technique was developed for CABG reoperation.
- The approach utilizes the diaphragmatic route to access the right coronary artery.
Findings:
- The modified MIDCAB technique employs the right gastroepiploic artery as an arterial conduit.
- In cases where the right gastroepiploic artery is unavailable, a free graft from the gastroduodenal artery is utilized.
- This diaphragmatic approach successfully bypasses the right coronary artery while minimizing sternotomy-related risks.
Implications:
- This technique offers a valuable alternative for CABG reoperation, potentially reducing complications associated with median sternotomy.
- It provides a method to safely revascularize the right coronary artery in patients requiring repeat bypass surgery.
- The described approach enhances surgical options for complex cardiac reoperations.
Abstract:
To avoid injury to patent bypass grafts or myocardium during median sternotomy in coronary artery bypass graft reoperation, we performed modified minimally invasive direct coronary artery bypass to the right coronary artery via diaphragmatic approach using the right gastroepiproic artery. In cases in which the right gastroepiproic artery cannot be used, this technique is performed with a free graft from the gastroduodenal artery. This approach is very useful for reoperation in these circumstances.