Interrupted aortic arch (IAA) is a congenital defect characterized by loss of luminal continuity between the ascending and descending aorta1. It is a rare malformation with an estimated incidence of perinatally diagnosed cases of 3 per million live births3. The condition is considered extremely rare in adults. However, its true prevalence in this population is unknown. We have found 30 case reports of IAA in adults in literature, 5 of whom were older than 50 years. Four of them had type A IAA. Arterial hypertension is a typical co-morbidity. In this report we describe a 60-year-old male patient who had a type A asymptomatic IAA. Although we initially suspected the aortic coarctation, further invasive procedures revealed complete interruption of the aortic arch just distal to the origin of the left subclavian artery. The patient underwent surgical repair, followed by full recovery and near-normalization of blood pressure.
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