Why the study?
Does total aortic arch replacement reduce mortality compared to hemiarch replacement in patients with acute type A dissection?
Does total aortic arch replacement reduce mortality compared to hemiarch replacement in patients with acute type A dissection?
In acute type A dissection, total aortic arch replacement and hemiarch replacement demonstrate equivalent mortality outcomes at high-volume centers, suggesting the surgical approach should be tailored to patient presentation and surgeon experience.
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Equivalent mortality supports tailoring arch replacement to anatomy and expertise; leaves open randomized trials for acute type A dissection.
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Poon et al. (2016) studied this question.
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