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Types, Symptoms and Treatment of Coarctation of Aorta

April 08, 2011  by: Dr. Simran Kaur  Points: 12   Category: Health  Earning $0.35   Views: 829

Coarctation of Aorta is a common congenital malformation.


It constitutes about 10 to 15% of all congenital heart diseases. It is about twice as frequent in males. There is narrowing of the aorta immediately beyond the origin of the left subclavian artery very near to the position of ligamentum arteriosum.

In most patients the constriction is about two to four cm in length just below the origin of left subclavian artery. Usually the lumen becomes one to three millimeter in the constricted area. Distal to the coarctation, the aorta is usually dilated. There is notching of the ribs.

Types -

1. Post ductal type or adult coarctation.

2. Pre ductal type or infantile coarctation - Occasionally coarctation may occur in the aorta above the joining of patent ductus arteriosus. Lower trunk and lower extremities become cyanosed, whereas the head, neck and upper extremities remain pink. These patients may have other cardiac lesions and the mortality rate is high.

Symptoms -

1. Hypertension above the obstruction and hypotension below the obstruction.

2. Headache, dizziness, epistaxis, throbbing and pulsation of arteries of head and neck and a systolic murmur at the apex. There is a chance of left ventricular failure.

3. Hypotension, weak femoral pulsations, cold lower extremities and intermittent claudication of the legs.

Investigations -

1. Chest X-ray- show notching of ribs.

2. E.C.G. shows left ventricular hypertrophy.

3. Cardiac catheterization and aortography.

Treatment -

Except for infants with congestive cardiac failure, where operation should be performed urgently, the ideal age for operation is between five and seven years. If performed earlier without any definite reason, coarctation may recur as the child grows older.

Author: ushakiran        
Posted Date: 04/10/2011    Points:2    

Again a very informative and helpful article that is very relevant to present day generation.It is a condition based mostly on life style , since we see the increasing trend now like never before due to the more relaxed and sedentary life style that people especially urban population is adopting.
Author: Dr. Simran Kaur        
Posted Date: 04/10/2011    Points:1    

Thanks ushakiran. Coarctation of aorta is a congenital condition.

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