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  • Title: [Choanal atresia: management and surgical treatment. Study of 50 cases].
    Author: Roelly P, Roger G, Bellity A, Garabedian EN.
    Journal: Ann Pediatr (Paris); 1992 Oct; 39(8):479-83. PubMed ID: 1456674.
    Abstract:
    Diagnosis of choanal atresia should lead to multidisciplinary investigations to look for other malformations which may or may not be part of the CHARGE syndrome. These concomitant defects have an adverse effect on prognosis in patients with choanal atresia. They seem to be more common in patients with bilateral choanal atresia due to a bony septum. Local investigations include nasal fiberoptic endoscopy to obtain a direct view of the atresia and a CT scan study to determine the type of obstruction. In neonates, treatment rests on transnasal perforation of the septum followed by stenting for four to six weeks. However recurrence is common and requires subsequent use of another therapeutic procedure. In patients with failed transnasal perforation or unilateral choanal atresia discovered at a later age, surgery through the palatal route seems to be virtually radical and can be carried out from eight months of age. Recently developed CO2 laser therapy is, in the opinion in of the authors, an elegant and simple means for transnasal treatment of fibrotic restenosis which, in many cases, obviates the need for transpalatal surgery.
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