COARTACTION OF AORTA COARTACTION OF AORTA 6th Semester B.SC nursing
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COARTACTION OF AORTA 6th Semester B.SC nursing
4. COARACTION OF AORTA
A narrowing of the large blood vessel (aorta) that leads
from the heart.
TYPES:-
? Infantile or pre-ductal type.
? Post-ductal type.
6. CLINICAL FEATURES
Increased blood pressure in the
upper part of the body, result in:
? Headache.
? Dizziness.
? Nose bleed.
? Fainting.
? Cerebrovascular accident.(CVA)
Decreased blood pressure in
lower extremities results in:
? Absent or diminished femoral
and pedal pulse.
7. ? Complaints of weakness or pain in legs on exercise.
? Failure to thrive.
? Respiratory distress.
? Poor weight gain.
? Feeding problems.
? Irritability.
? Tachycardia.
? Congestive heart failure.
CLINICAL FEATURES
8. ? Mottling in lower extremities.
? Mottling of the skin, a lacy pattern
of small reddish and pale areas.
? Due to instability of the blood
circulation.
CLINICAL FEATURES
15. AORTIC STENOSIS
¡°Narrowing of the aortic valves¡±
TYPES:-
a. Valvular ¨C Stricture of aortic valve
b. Sub-valvular stenosis- Below the valve.
c. Supravalvular aortic stenosis ¨C Above the valve.
17. CLINICAL FEATURES
? Fatigue and exercise intolerance.
? Exertional dyspnea.
? Chest pain.
? Syncope.
? Infant with severe aortic stenosis present with cardiac failure
in neonatal period or in first few month of life.
18. ? Due to obstruction of blood flow from left ventricle, cause
thickening of left ventricular wall in response to increased
workload to eject blood.
? Pressure increase in LV as severity in obstruction.
? Heart failure can develop due to excessive workload on LV.
20. ? Child with mild to moderate stenosis don¡¯t need surgery.
? Unless their stenosis is progress.
MANAGEMENT
21. Management of Valvular aortic stenosis
1. Aortic Balloon valvuloplasty.
2. Valvular aortic stenosis repaired through median sternotomy.
*If the child shoes aortic insuffiency
still- Aortic valve replacement to be one.*
22. b. In Sub-valvular aortic stenosis
? Konno procedure is done to remove the obstructing membrane
and fibrous ring below the aortic valve and replacing the valve
with artificial valve.
MANAGEMENT
23. VALVE CONDUIT
? If obstruction cannot be relived
with either of these procedure.
? A valve conduit may be placed
from left ventricles to descending
aorta.
24. c. In Supra-valvular aortic stenosis.
? Surgery is done by incising the narrow
segment of aorta and widening the area
with a patch graft.
MANAGEMENT