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Year : 2019  |  Volume : 21  |  Issue : 1  |  Page : 9-12

Choanal atresia, risk of failure

Department of ENT, King Saud University Medical City, Riyadh, Saudi Arabia

Correspondence Address:
MD Abdullah Alhelali
Pediatric Otolaryngology fellow, Department ENT, King Saud University Medical City, Riyadh, P.O. Box 25052, Riyadh 12642
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1319-8491.277844

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Background: Choanal atresia (CA) is a rare congenital anomaly that is characterized by posterior nasal choanal obstruction either unilateral or bilateral. Endonasal endoscopic repair is the current modality of treatment. Restenosis is still a common concerning complication post-surgery. In this study, we studied the impact of many factors on the recurrence rate. Objectives: This study aimed at evaluating the success rate of endonasal endoscopic repair of choanal atresia and the influence of many factors on the recurrence rate: age at intervention, laterality, use of mitomycinC , presence of syndromes and adenoid hypertrophy. Design: Retrospective study by chart review Settings: King Saud University Medical City, Riyadh, Saudi Arabia. Material and Methods: We considered all cases of choanal atresia operated in our center for the period from January 2014 to May 2017. We included only the primary cases (operated for the first time) in this study. We excluded any case that was operated on before in any other center, missed to follow-up or with incomplete medical records. Results: The sample comprised 22 cases of CA, with an equal distribution of males and females. Four of the patientsexperienced recurrence(recurrence rate 18%), and the mean follow-upperiod was 21.3 months. The recurrence rate was higher in syndromic patients (2 out of 3 versus 2out of 19 nonsyndromic). Mean age at intervention in successful cases was 17 months and in the recurrence group was 7.15 months. Unilateral cases were more common than bilateral (14 versus 8). The rate of recurrence was 10% in themitomycin group and 25% in the nonmitomycin group. Conclusions: The recurrence rate of post-choanal atresia repair was 18% and recurrence in syndromic patientswas higher in this study.

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