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Tracheomalacia secondary to obstructive sleep apnea
Christopher A Peters1, Murray D Altose, James M Coticchia
1Case Western Reserve University School of Medicine, Cleveland, OH, USA.
Tracheomalacia (TM), a tracheal airway narrowing, can resolve after tonsillectomy and adenoidectomy. This case suggests obstructive sleep apnea may cause TM, offering new insights into pediatric airway obstruction.
Area of Science:
- Pediatric Pulmonology
- Sleep Medicine
- Otolaryngology
Background:
- Tracheomalacia (TM) involves tracheal flaccidity due to weak cartilaginous support, leading to airway lumen narrowing.
- TM commonly presents with expiratory stridor, wheezing, and respiratory obstruction, often associated with other congenital anomalies.
Observation:
- A 20-month-old boy with severe obstructive sleep apnea and adenotonsillar hypertrophy exhibited significant TM.
- Direct laryngoscopy/bronchoscopy confirmed severe tracheomalacia.
Findings:
- Following tonsillectomy and adenoidectomy, the patient's TM completely resolved within 37 days.
- This clinical course suggests a potential link between obstructive sleep apnea and the development or exacerbation of TM.
Implications:
- The resolution of TM post-surgery suggests a novel pathophysiological mechanism where obstructive sleep apnea may induce or worsen tracheal instability.
- This case highlights the importance of considering TM in children with severe obstructive sleep apnea and adenotonsillar hypertrophy.
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