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Abstract
The incidence of Coronary Artery Anomalies (CAA) in routine Coronary Angiography(CAG) is between 0.6% and 1.5%. Most anomalies are not of clinical significance, but some are related to angina, dyspnoea, syncope, acute myocardial infarction andsudden death. Diagnosis and adequate imaging of CAA are crucial for appropriate patient management, especially in patient candidates for Percutaneous Coronary Intervention (PCI) and cardiac surgery. This report describes the anomalous origin of the Left Circumflex Artery (LCX), arising by the right sinus of Valsalva and associated with the presence of hypoplasicLeft Anterior Descending Coronary Artery (LAD) that correlates with myocardial scintigraphy findings of reduced uptake in the anterior and inferior wall of left ventricle.
Highlights
The incidence of Coronary Artery Anomalies (CAA) in routine Coronary Angiography(CAG) is between 0.6% and 1.5%
Ectopic origin of the Cx artery from the right sinus of Valsalva or the right coronary artery was first described by Antopol and Kugel in 1933 with prevalence of 0.4-0.8% in angiographic series [1]
Anomalous origin of the circumflex artery from the right sinus of Valsalva is the common artery anomaly which is thought to be of no clinical significance per se
Summary
The incidence of Coronary Artery Anomalies (CAA) in routine Coronary Angiography(CAG) is between 0.6% and 1.5%. Patient underwent stress/rest thallium-201 single-photon emission cardiac tomography (SPECT) that revealed, during exercise test, a defect in uptake of the radioisotope in the basal portion of the anterior wall and in the inferior side of the left ventricle, that completely regress during the rest phase (Figure 1). Patient underwent CAG, in order to exclude suspicion for Coronary Artery Disease (CAD).
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