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Choanal atresia

MONDO:0012155

Choanal atresia (CA) is a congenital anomaly of the posterior nasal airway characterized by the obstruction of one (unilateral) or both (bilateral) choanal aperture(s), with clinical manifestations ranging from acute respiratory distress to chronic nasal obstruction.

Also known as: atresia of nares, PCA, choanal atresia, POSTERIOR

10 clinical trials for this condition and its sub-types.

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Sub-types

Choanal atresia, bilateral (0) Choanal atresia, unilateral (0)

Broader categories

Disease (618) Hereditary disease (172) Respiratory system disorder (127) Human disease (14) Otorhinolaryngologic disease (10) Upper respiratory tract disorder (4) Disease of genetic or genomic mechanism (2) Nasal cavity disorder (2) Nasal disorder (2) Disease by body system or component (0)

Trials to join now! 4 Not yet recruiting 3 Not yet finished but already full! 2 Completed 1

Could a tiny dose of muscle relaxant make lung scopes safer?

Symptom relief Completed

This study looked at whether giving a low dose of a muscle relaxant (rocuronium) during bronchoscopy—a procedure where a tube is inserted into the lungs—could reduce complications like throat spasms and coughing. 153 adults having elective bronchoscopy were split into two groups:…

Phase: NA • Sponsor: Harbin Medical University • Aim: Symptom relief

Last updated Jun 27, 2026 09:09 UTC