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Anomalous aortic origin of coronary artery

Disease definition

A rare group of coronary artery congenital malformation disorders characterized by an anomalous origin and course of the left or right coronary artery, which originates from the contralateral aortic sinus of Valsalva and has an anomalous trajectory which may be: pre-pulmonary (with no hemodynamic consequences), retroaortic (with a course posterior to the aortic root and no hemodynamic consequences), interarterial (located between the aorta and the pulmonary artery and associated with a poorer prognosis), subpulmonary (with an intraconal or intraseptal course), or retrocardiac (located in the posterior atrioventricular sulcus). Clinical manifestations depend on the specific anomalous origin and course which is present, with patients being frequently asymptomatic, although nonspecific chest pain, palpitations, dizziness, dyspnea or syncope, usually following physical exertion, may be associated. Sudden death, due to compression/occlusion of the coronary artery and usually associated with, or immediately following, vigorous physical exercise, may be occasionally observed.

ORPHA:541478

Classification level: Group of disorders
  • Synonym(s):
    • AAOCA
  • Prevalence: -
  • Inheritance: -
  • Age of onset: -
  • ICD-10: -
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Additional information

Further information on this disease

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