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Reducing cardiac surgical trauma: the minimally invasive direct coronary artery bypass
R L Fishman1, S C Harvey, J L Zellner
1Department of Anesthesia and Perioperative Medicine, Medical University of South Carolina, Charleston 29425-2207, USA.
Insights
Minimally invasive direct coronary artery bypass (MIDCAB) offers a less invasive approach to coronary artery revascularization, avoiding sternotomy and cardiopulmonary bypass in select cases. This technique shows promise for future coronary artery disease management.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Techniques
Background:
- Minimal surgical trauma is transforming cardiac surgery.
- Coronary artery revascularization techniques are evolving, including thoracoscopic approaches and small incisions, with or without cardiopulmonary bypass (CPB).
Purpose of the Study:
- To review literature on coronary artery bypass grafting (CABG) without CPB.
- To examine indications, techniques, and outcomes for minimally invasive direct coronary artery bypass (MIDCAB).
Main Methods:
- Literature review of patient selection for CABG without CPB.
- Analysis of MIDCAB indications, surgical, and anesthetic techniques.
Main Results:
- MIDCAB is primarily used for single or double vessel disease.
- Procedures are performed thoracoscopically or via small incisions, avoiding sternotomy.
- Non-CPB cases involve pharmacological cardiac manipulation; patients experience faster recovery and shorter hospital stays.
Conclusions:
- MIDCAB bypasses the need for median sternotomy and often CPB.
- MIDCAB is a potentially significant future treatment for coronary artery disease.
Background:
The concept of minimal surgical trauma is revolutionizing many surgical subspecialties, including cardiac surgery. Coronary artery revascularization can now be accomplished either thoracoscopically or through a small thoracotomy, sternotomy, or epigastric incision, with or without cardiopulmonary bypass (CPB).
Methods:
The current literature was reviewed with regard to patient selection criteria for coronary artery bypass grafting (CABG) without CPB, indications for minimally invasive direct coronary artery bypass (MIDCAB), surgical and anesthetic technique, and outcome.
Results:
The MIDCAB is largely used in cases of single or double vessel disease. The procedure is done either thoracoscopically or under direct vision through a small incision rather than standard sternotomy. In non-CPB cases, the heart is pharmacologically manipulated to create a quiet operative field. Patients may be extubated and become ambulatory shortly after surgery and be discharged within a few days.
Conclusions:
The MIDCAB avoids median sternotomy and, in many cases, CPB. MIDCAB may prove to play a prominent role in management of coronary artery disease in the future.