Abstract
Objective:We have utilized subclavian flap angioplasty (SFA) frequently in infants with coarctation particularly in patients with arch hypoplasia which is quite frequent. We have followed these patients with serial echocardiography and have analyzed our results in this study to determine recoartation rates, recurrent hypertension and left arm development.Methods:Thirty eight infants less than 3 months age (22 boys and 16 girls, mean age was 28±22.6 days) operated at Dokuz Eylul University Hospital between August 2007 - December 2013. Twelve (32%) patients with pulmonary banding due to accompanying VSD or AVSD were included to the study, those infants with complex pathologies such as transposition of great arteries or single ventricle, while the patients less than 1000 gram in weight were excluded.Results:The mean follow-up time was 21 months (1-76 months). Twelve (32%) patients had aortic arch hypoplasia proximal to the left subclavian artery. Operative mortality was found 7.7% for isolated coarctation, 16% for coarctation repair with pulmonary banding. In 5 patients, a residual gradient was detected and re intervention was required in 7.8% patients with balloon angioplasty.Conclusion:Subclavian flap angioplasty is a safe repair technique in small infants and neonates. High gradients and intervention more likely depends on the anatomy of the aortic arch rather than the subclavian flap angioplasty technique.
Highlights
Symptomatic Infants with coarctation of the aorta usually require urgent relief of the obstructive lesion
A recent analysis of Society of Thoracic Surgeons data base of 5025 patients operated between 2006-2010 has revealed that 89% of patients were treated with a form of end to end anastomosis (EEA) while only 3.4% of the patients were treated with subclavian flap angioplasty.[2]
One patient was operated in emergency in cardiogenic shock after a failed balloon angioplasty
Summary
Symptomatic Infants with coarctation of the aorta usually require urgent relief of the obstructive lesion. Intervention with balloon angioplasty may provide relief with a relatively simple procedure in small infants but complex. Dismal medium and long term results with balloon angioplasty has led to increased interest in surgical repair in this group of patients.[1,2] Currently there are two basic surgical methods for repairing coarctation in small infants; end to end anastomosis (EEA) and subclavian flap angioplasty (SFA) each with its own various modifications.[3,4] Traditionally, end to end anastomosis has had a wider following especially with its “extended” variation. A recent analysis of Society of Thoracic Surgeons data base of 5025 patients operated between 2006-2010 has revealed that 89% of patients were treated with a form of EEA while only 3.4% of the patients were treated with subclavian flap angioplasty.[2]
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