Mitral Valve Surgery via a Right Infra-axillary Thoracotomy in High-Risk Reoperative Patients
Background: A right infra-axillary thoracotomy can offer excellent exposure of the mitral valve. This study evaluated this incision for high-risk patients undergoing redo mitral valve procedures.
Methods: Of a series of 189 patients who had redo mitral valve surgery, 32 were reoperated via vertical infra-axillary thoracotomy based on previous aortic valve replacement, dense adhesion, location of patent bypass grafts, and peripheral vascular disease.
Results: Sternotomy was avoided in all cases. The mitral valve was replaced in 22 patients and repaired in 10 patients; left atrial folding was performed in 6 patients. All patients had uneventful outcomes and normal valve function
Conclusions: Reoperative mitral valve surgeries can be performed safely using right infra-axillary thoracotomy in certain patients. The procedure offers excellent exposure of the mitral valve and minimizes the need for cardiac dissection, thus reducing injury risk. Avoiding a high risk of resternotomy increases patient comfort and safety.
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