Single-Stage Choanal Atresia Repair in the Neonate

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Abstract
Choanal atresia (CA) is a narrowing of the posterior nasal aperture. It has a rare incidence of approximately 1 in 7000 births.1 Statistics have shown it be more prevalent in female neonates. Unilateral stenosis is also more common then bilateral stenosis. Evidence has shown a 70% incidence of mixed bony and membranous anomalies, with a 30% incidence of pure bony atresia.2 Choanal atresia is often seen in association with other neonatal development disorders such as the CHARGE syndrome (coloboma of the eye, heart anomaly, CA, retardation, and genital and ear anomalies), Treacher Collins syndrome, and Tessier syndrome. There is an increased incidence of CA and other craniofacial abnormalities in subjects with Down syndrome.

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