Partial upper median sternotomy for anterior aortopexy for innominate artery compression syndrome: a case series
TRANSLATIONAL PEDIATRICS(2024)
Abstract
Background: Innominate artery compression syndrome (IAS) is caused by an abnormally originating innominate artery compressing the trachea anteriorly. One option to relieve such compression is an anterior aortopexy (AA). We describe our technique of an AA via a partial upper median sternotomy. Case Description: Nine consecutive patients underwent AA for IAS via a partial upper median sternotomy from July 2017 to November 2020 at two US teaching hospitals. The median age was 9 months [interquartile range (IQR), 3-16.5 months]. The male to female ratio was 1.25. All patients had >70% compression by flexible bronchoscopy. Two patients had previous surgeries. The median follow-up was 6 months (IQR, 4-8.5 months). The indications for the operation were: acute life-threatening events (ALTEs) (4/9 patients), recurrent intubation (4/9), and severe stridor with >70% luminal reduction (1/9). Technical success (defined as <= 20% residual stenosis) was achieved in 78% (7/9) of the patients. The two patients with unsuccessful AAs required either a tracheal resection or an innominate artery reimplantation. Both achieved full symptom resolution. Overall, 78% (7/9) of patients experienced full symptom resolution. Of the two patients without full symptom resolution, one had mild stridor at 6 months post-operation. The other patient without full resolution is awaiting further vocal cord surgery for an associated glottic pathology. Conclusions: A partial upper sternotomy provides a very versatile approach to an AA for IAS. In addition to facilitating an adequate AA, a partial upper sternotomy provides options for direct tracheal surgery or an innominate artery reimplantation in case an optimal result is not obtained by an AA.
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Key words
Aortopexy,innominate artery compression syndrome (IAS),partial sternotomy,case series
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