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1 From the Department of Diagnostic Radiology, University Hospital, Upsala, Sweden
Fifty-nine proven, operated cases of coarctation of the aorta in children from I month to 15 years of age have been analyzed from the findings on standard chest roentgenograms, which were correlated with those of biplane angiocardiograms.
The presence of the usually reported signs in adults is apparently directly related
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to the development of collateral circulation, and, as a result these signs are generally absent in the young and increase in incidence with age. Rib notching, the most valuable sign other than descending aortic or left mediastinal contour deviation, was present in 49 per cent of the cases, the youngest being 4 years of age.
The diagnosis of coarctation of the aorta from standard roentgenograms is very difficult in patients under 6 years of age but over that age an 85 per cent accuracy may be expected.
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