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Extramucosal pyriplasty without stenting for management of pyriform aperture stenosis

PurposeThe current management options of congenital pyriform aperture stenosis (CNPAS) are either conservative measures awaiting further growth of the bony nasal framework or surgical intervention that focuses on bone removal… Click to show full abstract

PurposeThe current management options of congenital pyriform aperture stenosis (CNPAS) are either conservative measures awaiting further growth of the bony nasal framework or surgical intervention that focuses on bone removal from the margin of the pyriform aperture (PA) without exposure of the nasolacrimal duct (NLD) followed by stenting. Recently, CT measurements of the nasal cavity in CNPAS have shed light that the site of maximal bony obstruction corresponds to the bony buttress encasing the NLD rather than the margin of the PA as initially thought. Herein, we present an extramucosal pyriplasty technique that can be used without stenting to enlarge the PA and achieve immediate and sustained relief of nasal obstruction.MethodsRetrospective chart review of 4 patients with radiologically confirmed CNPAS who had undergone extramucosal pyriplasty without stenting during the period from 2012 to 2016.ResultsThree patients were full term without any clinically detectable congenital anomaly. The fourth patient was preterm infant who needed ICU management. On computerized tomography scan, the PA width ranged from 5.8 to 7.1 mm with a mean of 6.4 mm while site of maximal stenosis ranged from 5.4 to 6.8 with a mean of 6 mm. Extramucosal pyriplasty relieved nasal obstruction and restored normal oral feeding in all patients. Postoperative follow-up endoscopy revealed an adequately patent airway with no scarring, granulation or restenosis.ConclusionsExtramucosal pyriplasty with decompression of the NLD without stenting is a treatment modality for CNPAS that provides prompt sustainable relief of nasal obstruction and avoids the drawbacks of stenting and shortcomings of the current conservative methods.

Keywords: management; extramucosal pyriplasty; without stenting; pyriform aperture

Journal Title: European Archives of Oto-Rhino-Laryngology
Year Published: 2018

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