J Korean Assoc Maxillofac Plast Reconstr Surg.  1998 May;20(2):133-138.

SURGICAL REPAIR OF COMPLETE 80NY BILATERAL CHOANAL ATRESIA VIA TRANSPALATAL APPROACH

Abstract

Choanal atresia may be membrane of bony, unilateral or bilateral. Approximately 90% of the choanal atreus are bony type. Unilateral choanal atresia often eludes the diagnosis because of the absence of subjective symptoms in the neonatal period. However, bilateral choanal atresia presents at birth with cyclic respiratory distress aggravated by feedings. so complete bilateral choanal atresis is considered as a neonatal emergency. Examinations for the diagnosis of chonal atresia include 1) attempt at passing a rubber catheter of probe through the patient's nose. 2) mirror examination of the nasopharynx, 3) digital examination of the nasopharynx, 4) X-ray examination after installation of radiopaque materal into the nasal cavity. But, computed tomography has become accepted method for evaluation of choanal atresia Surgical repair of choanal atresia is accomplished via transpalatal of transpalatal approach. Advantages of the transpalatal approach are improved exposure and the preservation of mucosal flap along the newly formed apertures. On the other hand, the transpalatal approach carries the risk of injury to the greater palatine neurovascular complex, and requires longer operative time. Arter careful physical and radiographic examinations, we accomplished the surgical repair of the complete bony bilateral choanal atropia via transpalatal approach without complications.

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