Key result
Aortic valve replacement with a continuously perfused beating heart affords optimal myocardial protection, limited dissection, and minimal graft injury risk in patients with patent bypass conduits.
Why the study?
Does aortic valve replacement with a continuously perfused beating heart technique improve myocardial protection and minimize graft injury in patients with patent bypass conduits undergoing redo surgery?
Does aortic valve replacement with a continuously perfused beating heart technique improve myocardial protection and minimize graft injury in patients with patent bypass conduits undergoing redo surgery?
A continuously perfused beating heart technique for redo aortic valve replacement in patients with patent bypass grafts may offer optimal myocardial protection and reduce the risk of graft injury.
May support consideration in redo AVR with patent grafts; leaves open need for prospective trials before practice change.
We present a technique for replacement of the aortic valve in selected patients undergoing redo surgery in the presence of patent coronary artery bypass grafts and occluded native coronary arteries that affords optimal myocardial protection, limited dissection of the heart and minimal risk of injury to existing grafts, in particular, the internal mammary artery.
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Sutherland et al. (2004) studied this question. Aortic valve replacement with a continuously perfused beating heart affords optimal myocardial protection, limited dissection, and minimal graft injury risk in patients with patent bypass conduits.
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