Choanal Atresia

Choanal atresia Your child has choanal atresia: this sheet will explain to you what this malformation corresponds to, what are the symptoms, what additional assessments to perform and how can it be treated. Choanal atresia can also be referred to as choanal... More

Choanal atresia Your child has choanal atresia: this sheet will explain to you what this malformation corresponds to, what are the symptoms, what additional assessments to perform and how can it be treated. Choanal atresia can also be referred to as choanal imperforation or imperforation of choanae. What is choanal atresia? Choanal atresia is a malformation that affects the choana. The choana is an orifice which connects the rear part of the nasal cavity with the upper part of the respiratory tract. In the event of imperforation or atresia, the choana is closed with tissue or bone and the passage of air is blocked through the nose (does not descend into the airways). This can affect only one nostril: unilateral choanal atresia or both nostrils: bilateral choanal atresia. Is this a common malformation? No, it concerns one birth in 6000 to 8000 births. It is more common in girls than in boys. Do we know the causes? The exact cause of the abnormality is poorly understood and is likely lin Less