Surgical Experience With Nine Cases of Obstructed Right Aortic Arch.
World journal for pediatric & congenital heart surgery(2023)
Abstract
BACKGROUND:Right-sided aortic arch obstruction is an extremely rare congenital anomaly. A variety of surgical approaches have been described. This study reviews our institutional experience over the last 30 years.
METHODS:Our surgical database at the University of Alabama at Birmingham and Children's Hospital of Alabama from 1992 to 2022 was reviewed to include all patients who underwent surgical repair for right-sided aortic arch obstruction.
RESULTS:A total of nine patients underwent surgical repair for right-sided aortic arch obstruction. Surgical approach was via thoracotomy (n = 2, 22%), sternotomy (n = 5, 56%), or combined (n = 2, 22%). Primary extended end-to-end anastomosis was utilized for patients with discrete coarctation (n = 1, 11%), reverse subclavian flap for coarctation with associated distal arch hypoplasia (n = 2, 22%), GORE-TEX® tube graft for circumflex aorta (n = 1, 11%), and aortic arch advancement (n = 5, 56%) with or without patch augmentation for those with an interrupted or severely hypoplastic aortic arch. Reintervention was required in one patient (11%) for recoarctation. All patients were discharged in good condition. There was no hospital mortality and at 10.5 years (mean) follow-up there was one late death.
CONCLUSION:Right aortic arch obstruction is a rare entity. Surgical approach should be tailored to the anatomy and associated intracardiac defects. Preoperative imaging with a CT angiogram is useful for operative planning. Sternotomy with single-stage primary repair is safe, effective, and our preferred surgical approach for patients with right aortic arch obstruction and associated intracardiac pathology.
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