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Ann Pediatr Cardiol. 2018 Sep-Dec;11(3):267-274. doi: 10.4103/apc.APC_5_18.

Early outcomes of modification of end to side repair of coarctation of aorta with arch hypoplasia in neonates and infants.

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1
Paediatric Cardiac Sciences, KIMS Hospitals, Secunderabad, Telangana, India.

Abstract

Background:

In coarctation of aorta associated with proximal arch hypoplasia, extended end-to-end anastomosis through a thoracotomy would result in a residual gradient between the origins of the innominate and the left common carotid arteries. To eliminate this, we modified the surgical technique.

Patients and Methods:

Between March 2012 and May 2017, 50 patients (14 neonates) underwent repair of coarctation of aorta through a thoracotomy. The age ranged from 6 days to 2 years (median 2 months) and the weight from 1.8 to 8.0 kg (median 4.3 kg). A total of 15 patients (Group A) underwent repair by the extended end-to-end anastomosis. Among them, two patients developed early restenosis at the proximal arch requiring surgical reintervention. Hence, in the second half of the study, 35 patients (Group B) who were identified to have significant hypoplasia of the proximal arch underwent a modified end-to-side anastomosis of the descending aorta to the proximal arch incorporating the distal ascending aorta in the anastomosis and leaving the left subclavian artery end of the isthmus as an end-on vessel.

Results:

One neonate in Group B died due to a cause not related to the repair. All the other patients in Group B are doing well without a residual gradient during a median follow-up of 23 months. There were no airway issues related to extensive mobilization of the aorta.

Conclusion:

End-to-side anastomosis of the descending aorta to the proximal arch and side of the ascending aorta is possible through a thoracotomy and can be achieved with good outcome in neonates and infants.

KEYWORDS:

Aortic arch hypoplasia; coarctation repair; end-to-side repair; infantile coarctation; neonatal coarctation

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