Description
A 2-month-old infant presented with poor weight gain, feeding intolerance and cardiomegaly on chest radiography. Transthoracic echocardiography showed severe left ventricular dilatation and dysfunction, left atrial dilatation, moderate mitral regurgitation and doubtful origin of left coronary artery (LCA). Cardiac catheterisation did not identify the origin of LCA from the aorta. Coronary CT angiography (128-multidetector CT, retrospective ECG-gated with restrictive dose modulation, 70 kVs, 1.2 mSv) revealed the origin of the LCA from the pulmonary artery trunk/root junction, immediately above the sinus of Valsalva and was consistent with remaining echocardiography findings (figure 1). The right coronary artery had normal origin. After surgical reimplantation of the LCA in the ascending aorta there was good clinical evolution, with significant weight gain and gradual left ventricular function improvement.
Figure 1
Anomalous left coronary artery from the pulmonary artery (PA) trunk/root junction on multidetector coronary CT angiography. (A) Origin of the...
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