Related Experiment Video
Updated: May 8, 2026
Image Acquisition using Portable Sonography for Emergency Airway Management
Published on: September 28, 2022
Advanced Imaging to Assess Airway Dynamics.
Alister J Bates1, Robert J Fleck2, David F Smith3
1Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA; Department of Pediatrics, University of Cincinnati, Cincinnati, OH, USA; Department of Biomedical Engineering, University of Cincinnati, Cincinnati, OH, USA; Department of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
New imaging techniques offer alternatives to invasive endoscopy for pediatric airway abnormalities. Four-dimensional CT and MRI provide objective, radiation-free assessments, improving diagnosis and monitoring for children.
Area of Science:
- Pediatric Pulmonology
- Medical Imaging
- Diagnostic Technologies
Background:
- Endoscopy is the standard for pediatric airway abnormalities but is invasive.
- Interoperator variability limits endoscopy's reliability.
- Need for objective, less invasive diagnostic tools is critical.
Purpose of the Study:
- To review advanced imaging modalities for pediatric dynamic airway abnormalities.
- To compare endoscopy alternatives like 4D CT and MRI.
- To provide guidance on selecting the optimal imaging technique.
Main Methods:
- Review of four-dimensional computed tomography (4D CT) for tracheal collapse quantification.
- Evaluation of photon-counting CT for reduced radiation dose.
- Assessment of magnetic resonance imaging (MRI) techniques (cine, gated) for dynamic, radiation-free evaluation.
- Inclusion of ultrasound and optical coherence tomography (OCT) in the review.
Main Results:
- 4D CT allows objective, free-breathing tracheal collapse assessment.
- Photon-counting CT offers dose reduction comparable to radiography.
- MRI provides radiation-free, real-time or high-resolution dynamic airway imaging.
- Ultrasound and OCT present additional non-invasive options.
Conclusions:
- Advanced imaging like 4D CT and MRI are viable, less invasive alternatives to endoscopy for pediatric airway assessment.
- These technologies offer objective quantification and radiation-free options, improving diagnostic accuracy and patient safety.
- Modality selection should be guided by specific clinical indications for optimal patient management.
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