Key result
Acute type A aortic dissection complicated by mesenteric malperfusion is a life-threatening condition with a reported in-hospital mortality of 63.2%.
Why the study?
Mesenteric malperfusion complicating acute type A aortic dissection causes high mortality, and open repair alone rarely relieves it when end-organ damage from prolonged ischemia or static SMA compression occurs.
Hybrid repair may be necessary for acute type A aortic dissection with visceral malperfusion when open repair alone is insufficient to relieve static compression of the superior mesenteric artery.
Answers are grounded in this paper and cite their sources.
One-stop hybrid repair may simultaneously address rupture and malperfusion in ATAAD; leaves open whether it improves outcomes versus staged approaches.
Acute type A aortic dissection (ATAAD) complicated by mesenteric malperfusion is the most life-threatening condition. According to the International Registry of Aortic Dissection database, in-hospital mortality is 63.2%.1 Conventional open surgical repair can protect the patient from aortic rupture and resolve the dynamic malperfusion. However, if the end-organ damage occurs due to prolonged ischemia or static compression of the superior mesenteric artery (SMA), the mesenteric malperfusion is rarely relieved by open repair alone.
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Ni et al. (2020) studied Acute type A aortic dissection with visceral malperfusion syndrome. Hybrid repair was evaluated. Acute type A aortic dissection complicated by mesenteric malperfusion is a life-threatening condition with a reported in-hospital mortality of 63.2%.
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