Title: Evaluation of Congenital Single Coronary Artery with 16-slice Spiral Computed Tomography
Abstract:Objective To evaluate the role of 16-slice spiral computed tomography (MSCT) to identify the anomalous origin and anatomic course of congenital single coronary artery.Materials and Methods Coronary MS...Objective To evaluate the role of 16-slice spiral computed tomography (MSCT) to identify the anomalous origin and anatomic course of congenital single coronary artery.Materials and Methods Coronary MSCT angiograms(MSCTA) and conventional coronary angiography (CCA) in 4 patients with congenital single coronary artery were retrospectively analyzed. MSCTA and CCA images were analyzed in blinded fashion for accuracy of anomalous artery origin and path detection. Results were compared in a secondary consensus evaluation. Virtual endoscope (VE) was used to evaluate the orifice of the anomalous arteries and its relationship with the adjacent ostiole of normal arteries. Multi-planar reconstruction (MPR), curved MPR, thin-slab maximum intensity projection (MIP), volume rendering (VR) or slab VR (cut-plane VR) were used to assess the aberrant path of the anomalous artery and its relationship with the adjacent large arteries. Results The anomalous coronary arteries in 4 patients were clearly displayed on MSCTA. The left main coronary artery originated from proximal right coronary artery in 3 patients, 2 of them demonstrated faint and 1 was not demonstrated on CCA. RCA arose from the end left main coronary artery in 1 patient, which was incorrectly thought to arise from left circumflex. The proximal segment of anomalous artery was found stenosis in 2 patients; 3 aberrant arteries passed between the aortic root and the pulmonary artery and 1 behind the aortic root, the stenosis and anomalous path of them could not be evaluated on CCA. Conclusion MSCT could clearly show the anomalous orifice and path of the aberrant coronary artery in congenital single coronary, it is superior to CCA and should be considered as a first imaging tool for suspected coronary anomalies.Read More
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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