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Three-dimensional modeling and automatic analysis of the human nasal cavity and paranasal sinuses using the computational fluid dynamics method
Abstract
Purpose The goal of this study was to develop a complete workflow allowing for conducting computational fluid dynam- ics (CFD) simulation of airflow through the upper airways based on computed tomography (CT) and cone-beam computed tomography (CBCT) studies of individual adult patients. Methods This study is based on CT images of 16 patients. Image processing and model generation of the human nasal cavity and paranasal sinuses were performed using open-source and freeware software. 3-D Slicer was used primarily for segmentation and new surface model generation. Further processing was done using Autodesk ® Meshmixer TM. The gov- erning equations are discretized by means of the finite volume method. Subsequently, the corresponding algebraic equation systems were solved by OpenFOAM software. Results We described the protocol for the preparation of a 3-D model of the nasal cavity and paranasal sinuses and high- lighted several problems that the future researcher may encounter. The CFD results were presented based on examples of 3-D models of the patient 1 (norm) and patient 2 (pathological changes). Conclusion The short training time for new user without a prior experience in image segmentation and 3-D mesh editing is an important advantage of this type of research. Both CBCT and CT are useful for model building. However, CBCT may have limitations. The Q criterion in CFD illustrates the considerable complication of the nasal flow and allows for direct evaluation and quantitative comparison of various flows and can be used for the assessment of nasal airflow.
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Authors (5)
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Jarosław Meyer-Szary dr
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Karolina Markiet dr
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Andrzej Skorek dr hab. med.
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY
no. 278,
pages 1443 - 1453,
ISSN: 0937-4477 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Tretiakow D., Tesch K., Meyer-Szary J., Markiet K., Skorek A.: Three-dimensional modeling and automatic analysis of the human nasal cavity and paranasal sinuses using the computational fluid dynamics method// EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY -Vol. 278,iss. 5 (2021), s.1443-1453
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/s00405-020-06428-3
- Verified by:
- Gdańsk University of Technology
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