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Collateral Circulation in Coarctation of Aorta in Infancy and Childhood
  1. Rajamma Mathew,
  2. George Simon,
  3. Michael Joseph


    Forty patients with coarctation of the aorta under the age of 2 years were studied, and a well-developed collateral circulation was present when the coarctation was severe and the sole lesion. In those with an associated congenital heart lesion a collateral circulation was seen in rather more than half. It is suggested that in many patients, the collateral circulation develops during fetal or early postnatal life.

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