Key result
Simultaneous antegrade and retrograde normothermic perfusion eliminates ischemia during type-A root replacement.
Why the study?
Does simultaneous antegrade and retrograde normothermic blood perfusion eliminate ischemia in patients undergoing aortic root replacement for acute type-A dissection?
Does simultaneous antegrade and retrograde normothermic blood perfusion eliminate ischemia in patients undergoing aortic root replacement for acute type-A dissection?
Simultaneous antegrade and retrograde normothermic blood perfusion offers a safe method for myocardial protection during aortic root replacement for acute type-A dissection by eliminating ischemia.
Answers are grounded in this paper and cite their sources.
May enable safe aortic root replacement in acute type-A dissection; leaves open need for prospective validation.
A new technique of myocardial protection was utilized in performing surgery for acute type-A dissection involving the aortic valve, requiring replacement of the root. Simultaneous antegrade and retrograde perfusion of the heart with normothermic blood at high flows allows for safe and precise surgery, without concerns for the period of aortic clamping, since ischemia is eliminated altogether.
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Luozzo et al. (2005) studied this question. Simultaneous antegrade and retrograde normothermic blood perfusion eliminates myocardial ischemia, allowing safe aortic root replacement during acute type-A dissection surgery.
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