Choanal atresia

Area of Science:

• Otolaryngology
• Pediatric Surgery
• Developmental Biology

Background:

• Choanal atresia is a congenital condition caused by the incomplete resorption of the bucco-pharyngeal membrane during embryonic development.
• It can manifest as membranous, bony, or mixed atresia, with bilateral cases presenting significant airway distress in newborns.
• Symptoms include cyanosis that improves with crying, necessitating immediate management.

Purpose of the Study:

• To review the etiology, diagnosis, and management of choanal atresia.
• To highlight the preferred surgical approach and its outcomes.
• To discuss the role of advanced surgical technologies in improving treatment efficacy.

Main Methods:

• Diagnosis is confirmed using flexible nasal endoscopy and computed tomography (CT).
• Management involves oropharyngeal airways for initial stabilization in bilateral cases.
• Surgical treatment options include transnasal and transpalatal approaches, with a focus on the endoscopic transnasal method.

Main Results:

• The transnasal endoscopic approach is the preferred surgical method due to its minimally invasive nature, safety, and high success rate, even in infants.
• This technique is rapid and associated with minimal complications.
• Navigation systems and powered instrumentation can further enhance surgical outcomes.

Conclusions:

• Endoscopic transnasal surgery is a safe, effective, and preferred treatment for choanal atresia.
• Advanced surgical tools can optimize outcomes for this congenital nasal obstruction.
• The transpalatal approach serves as a secondary option for complex or failed endoscopic cases.