Bronchoscopic assessments and clinical outcomes in pediatric patients with tracheomalacia and bronchomalacia

Area of Science:

• Pediatric Pulmonology
• Thoracic Surgery
• Medical Imaging

Background:

• Tracheomalacia and bronchomalacia (TM/BM) are significant causes of airway obstruction in pediatric patients.
• These conditions necessitate thorough bronchoscopic assessment and evaluation of clinical outcomes.
• Identifying risk factors for surgical intervention is crucial for managing TM/BM.

Purpose of the Study:

• To review bronchoscopic assessments and clinical outcomes in pediatric patients diagnosed with TM/BM.
• To investigate risk factors associated with the need for surgical intervention in these patients.

Main Methods:

• Retrospective review of 57 consecutive pediatric patients diagnosed with TM/BM via bronchoscopy (2009-2013).
• Patients were categorized based on acute life-threatening events and extubation failure (ALTE/EF).
• Severity of TM/BM was quantified using the Oblateness Index derived from bronchoscopic images.

Main Results:

• A significantly higher Oblateness Index was observed in patients experiencing ALTE/EF.
• Patients with ALTE/EF underwent more frequent surgical interventions and had longer intubation periods and hospital stays.
• Key risk factors for surgical intervention included ALTE/EF, an Oblateness Index ≥ 0.70, and multiple malacic lesions.

Conclusions:

• Pediatric TM/BM patients with ALTE/EF exhibit more severe malacic lesions and poorer clinical outcomes, often requiring surgery.
• The Oblateness Index serves as a valuable, semi-quantitative tool for bronchoscopic assessment of TM/BM severity.
• This index can aid in predicting the clinical trajectory and need for intervention in pediatric TM/BM cases.