Coarctation of the aorta in prenatal life: an echocardiographic, anatomical, and functional study.

Earlier in this programme we reported on the tigation was approved by the ethics committee and echocardiographic diagnosis and evolution of a case each mother gave informed consent to the study

L D Allan


Scholarcy highlights

  • Reduced aortic blood flow is a demonstrable feature of aortic arch abnormalities but it is found in other conditions that are not associated with coarctation
  • When any intracardiac or aortic arch abnormality was suspected we examined the atrioventricular and arterial valves by Doppler echocardiography when this facility became available
  • In no case could a discrete coarctation "shelf' itself be positively identified on direct echocardiographic examination of the arch, but convincing arch hypoplasia could be identified in eight patients
  • The degree of decrease in aortic blood flow may contribute to the severity of arch hypoplasia occurring in association with coarctation
  • The reduced aortic flow none the less, must be secondary to the presence of the anatomical shelf lesion because other conditions occurring in utero that produce diminished aortic blood flow, such as diaphragmatic hernia, do not lead to development of coarctation

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