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The pediatric airway: Historical concepts, new findings, and what matters
Tariq M Wani1, Bruno Bissonnette2, Thomas Engelhardt3
1Department of Anesthesiology, Pediatric Division, Sidra Medical & Research Center, Doha, Qatar; Department of Anesthesia and Pain Medicine, King Fahad Medical City, Riyadh, Saudi Arabia.
Insights
New imaging reveals the pediatric airway is not funnel-shaped with the cricoid ring as the narrowest point. These findings challenge traditional views and may alter clinical management strategies for infants and children.
Area of Science:
- Pediatric Otolaryngology
- Medical Imaging
- Pediatric Airway Anatomy
Background:
- Historical understanding of the pediatric airway is based on limited clinical data.
- Traditional concepts describe a funnel-shaped upper airway with the cricoid ring as the narrowest segment.
- These long-held beliefs have guided clinical practice in pediatric airway management.
Observation:
- Novel imaging techniques provide new insights into pediatric airway anatomy.
- Advanced modalities include MRI, CT scanning, and videobronchoscopy.
- These methods offer detailed visualization of airway dimensions and shape.
Findings:
- Recent observations challenge the traditional funnel-shaped model of the pediatric airway.
- The cricoid ring may not consistently be the narrowest dimension.
- New data necessitate a re-evaluation of established pediatric airway anatomy.
Implications:
- Findings suggest a need to revise current clinical management protocols for pediatric airway issues.
- Updated understanding can lead to more accurate diagnosis and treatment.
- This research emphasizes the importance of evidence-based practice in pediatric airway care.
Abstract:
New observations from novel imaging techniques regarding the anatomy, dimensions, and shape of the pediatric airway have emerged and provide insight for potential changes in the clinical management of the airway in infants and children. These new findings are challenging the historical concepts of a funnel-shaped upper airway with the cricoid ring as the narrowest dimension. Although these tenets have been accepted and used to guide clinical practice in airway management, there are limited clinical investigations in children to support the validity of these concepts. Imaging modalities such as magnetic resonance imaging, computed tomography (CT) scanning, multi-detector CT imaging, and videobronchoscopy suggest the need to revisit the historical view of the pediatric airway. This manuscript reviews the historical evolution of pediatric airway studies, summarizes important scientific observations from recent investigations relevant to our clinical understanding of pediatric airway anatomy, and discusses the importance of these findings for pediatric airway management.
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