These examples are programmatically compiled from various online sources to illustrate current usage of the word 'aortic arch.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Interrupted aortic arch (IAA) is a rare but highly lethal form of congenital heart disease, carrying a mortality rate higher than 90. 2018 The study is based off the case of a 76-year-old man who underwent surgery for his aortic arch, a part of the main artery around the heart. About 30 percent to 40 percent of the infants with interrupted aortic arch have type A. Type A: The interruption occurs just past the left subclavian artery. They are grouped according to the area of the missing piece. There are three types of interrupted aortic arch. 2019 In 2012, a 76-year-old Connecticut doctor had surgery to repair a life-threatening bulge in his aortic arch-the hulking bend that hooks the massive artery around the heart, routing oxygenated blood both upward and downward. Interrupted aortic arch (IAA) means a missing portion of the aortic arch. 2020 The team suspects that the animal’s stretchy aortic arch, part of the main artery entering the heart, continues to slowly contract between heartbeats, maintaining blood flow to the animal’s body. Pam Kragen, San Diego Union-Tribune, 22 Sep. 2022 But because Caleb had a rare defect known as an interrupted aortic arch, oxygenated blood flow to his body was being choked off as the duct began to seal itself. Aortic arch definition, one member of a series of paired curved blood vessels that arise in the embryo from the ventral aorta, pass around the pharynx. It arches superiorly, posteriorly and to the. Knowledge of such findings may avoid both in the. 2022 That in turn loops under the aortic arch, part of the large artery carrying blood from the heart, and then travels back up the neck to the vocal cords. The aortic arch is a continuation of the ascending aorta and begins at the level of the second sternocostal joint. definition of the prevalence of variation and anomalies of aortic arch anatomy and branching pattern. Amy Paturel, Discover Magazine, 11 Apr. Recent Examples on the Web Jack had a double aortic arch, a condition where an extra branch stemming from the heart constricts the airway like a vise. Congenital aortic arch malformations present a large spectrum of variations and anomalies that emanate from disordered embryogenesis of branchial arches.
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