![]() Obliteration/isolation of the left subclavian artery with collateralization.Not usually associated with congenital heart disease.Second most common with a prevalence of approximately 40%.The first branch is left carotid, second right carotid, and third right carotid. Aberrant left subclavian artery from a diverticulum of Kommerell as a fourth branch from the aorta.Often associated with conotruncal congenital heart disease (truncus arteriosus and tetralogy of Fallot).The first branch left the innominate artery, the second right carotid, and the third right subclavian. Mirror image branching of the head and neck vessels.Generally, three types of aortic arches exist in the literature as defined by the Edwards classification scheme. In many patients, no underlying genetic abnormality is identified in patients with a right aortic arch however, a right aortic arch can be associated with Digeorge syndrome (22q11 deletion) as well as conotruncal congenital heart defects such as tetralogy of Fallot, truncus arteriosus, and d-transposition of the great arteries. There are scenarios where the anatomic features of a right aortic are clinically relevant. A subset of right aortic arches with certain nonmirror image branching patterns of the head and neck vessels can be associated with a vascular ring. While a right aortic arch with mirror image branching of the head and neck vessels does not cause any physiologic cardiovascular effects, a right aortic arch can be associated with other congenital heart defects. Abnormalities of aortic arch branching and orientation are associated with a variety of congenital heart defects (tetralogy of Fallot and truncus arteriosus), as well as chromosomal abnormalities, such as DiGeorge syndrome (22q11 deletion). Right aortic arch anomalies occur in 0.01 to 0.1% of the general population. Explain interprofessional team strategies for improving care coordination and communication to advance the care of patients with right aortic arches and improve outcomes.Summarize the treatment and management options available for clinically important right aortic arches.Explain when a right aortic arch is clinically important.Identify the anatomy and features of right aortic arches.This activity reviews the evaluation and management of right aortic arches and highlights the role of the interprofessional team in caring for affected patients and their families. ![]() ![]() Rarely, various anatomical issues can arise, leading to complications that can require surgical intervention. However, in some patients, right aortic arches can be associated with other congenital heart defects, vascular rings, and chromosomal abnormalities such as DiGeorge syndrome. In general, these anomalies do not directly cause any cardiovascular problems. Right aortic arch anomalies occur in approximately 0.01 to 0.1 percent of the general population. ![]()
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