ArticlePhysiological reports2016
Geometric features of pig airways using computed tomography.
Article in Physiological reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
12 citing papers in PubMed, 15 citations in OpenAlex.
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- Low-dose intrapulmonary drug delivery device for studies on next-generation therapeutics in mice.Journal of controlled release : official journal of the Controlled Release Society · 2023Article
- Future of Lung Transplantation: Xenotransplantation and Bioengineering Lungs.Clinics in chest medicine · 2023Review
- Correlating Local Volumetric Tissue Strains with Global Lung Mechanics Measurements.Materials (Basel, Switzerland) · 2021Article
- Multiscale Computational Fluid Dynamics Modeling for Personalized Liver Cancer Radioembolization Dosimetry.Journal of biomechanical engineering · 2021Article
- In Vivo Characterization of the Swine Airway Morphometry and Motion Based on Computed Tomographic Imaging During Respiration.Journal of biomechanical engineering · 2020Article
- Surfactant delivery in rat lungs: Comparing 3D geometrical simulation model with experimental instillation.PLoS computational biology · 2019Article
- Reproducibility of an airway tapering measurement in computed tomography with application to bronchiectasis.Journal of medical imaging (Bellingham, Wash.) · 2019Article
- Modeling Inspiratory Flow in a Porcine Lung Airway.Journal of biomechanical engineering · 2018Article
- Geometric features of pig airways using computed tomography.Physiological reports · 2016Article
- Generation of Pig Airways using Rules Developed from the Measurements of Physical Airways.Journal of bioengineering & biomedical science · 2016Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
Accurate knowledge of the airway geometry is needed when constructing physical models of the airway tree and for numerical modeling of flow or sound propagation in the airways. Human and animal experiments are conducted to validate these models. Many studies documented the geometric details of the human airways. However, information about the geometry of pig airways is scarcer. Earlier studies suggested that the morphology of animal airways can be significantly different from that of humans. The objective of this study is to measure the airway diameter, length and bifurcation angles in domestic pigs using computed tomography. In this study, lungs of six pigs were imaged, then segmentation software tools were used to extract the geometry of the airway lumen. The airway dimensions were measured from the resulting 3-D models for the first 24 airway generations. Results showed that the size and morphology of the airways of the six pigs were similar. The trachea diameters were found to be comparable to the typical human adult, but the diameter, length and branching angles of other airways were noticeably different from that of humans. For example, pig airways consistently had an early branching from the trachea that feeds the top right lung lobe and precedes the main carina. This branch is absent in the human airways. The results suggested that the pig airways geometry may not be accurately approximated by human airways and this approximation may contribute to increasing the errors in computational models of the pig chest.
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Registered trials
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