Aortic Arch Obstruction
نویسندگان
چکیده
To evaluate the predictive accuracy of two-dimensional echocardiography in the diagnosis of aortic arch ebstruction, 540 consecutive patients aged 2 days to 15 years (mean 2 months) who underwent subsequent cardiac catheterization and angiography were prospectively studied. At angiography, 51 patients had aortic arch obstruction; of these, 35 had juxtaductal coarctation, 15 isthmic hypoplasia and 1 a type B interrupted aortic arch. The presence of arch obstruction was correctly identified with two-dimensional echocardiography in 45 of 51 patients with this condition(overallsensitivity 88%). Two-dimensional echocardiography clearly defined a juxtaductal coarctation in 33 of 35 patients and isthmic hypoplasia in 13of 15patients (sensitivity94% and 73%, respectively). The form and type of interrupted aortic arch were clearly distinguished from other forms and
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