This leads them to release substances to raise the pressure, but it only rises substantially in the part of the circulation before the blockage. In this fashion, the heart and brain are still subjected to the very high pressures induced by the kidney's desire for more blood. This can cause no symptoms, and be discovered as part of the evaluation for high blood pressure when the person is in their teens, twenties, or beyond. The key finding is elevated blood pressure in the arms, with low blood pressure in the legs. Pulses in the leg may be decreased in intensity, or delayed compared with their occurrence in the arm.
Coarctations generally require repair.
Dilating the segment with balloons is a possibility, particularly in the young. Surgical removal of the narrowed segment may need to be accomplished. Other abnormalities may co-exist, particularly abnormalities of the aortic valve. This site presents material for your information, education and entertainment. We can assume no liability for inaccuracies, errors, or omissions.