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[Proetz virtual modeling method: a look at the method through the prism of computational fluid dynamics].
N S Sagandykova1, D A Shcherbakov2, A Zh Bekpan1
1Corporate Foundation «University Medical Center», Astana, Republic of Kazakhstan.
Vestnik Otorinolaringologii
|April 28, 2025
Summary
The Proetz method effectively cleans the nasal cavity but only partially clears paranasal sinus secretions. Complete removal of irrigation fluid from the sinuses using this method is not possible.
Area of Science:
- Otolaryngology
- Medical Imaging
- Fluid Dynamics
Background:
- The Proetz method is a common nasal irrigation technique.
- Understanding its fluid dynamics is crucial for optimizing its efficacy.
Purpose of the Study:
- To investigate the mechanism of the Proetz method using computational fluid dynamics (CFD) modeling.
- To analyze fluid flow and distribution within the paranasal sinuses during irrigation.
Main Methods:
- CFD modeling was developed using CT scans of a 40-year-old female patient's paranasal sinuses.
- Software utilized included Mimics Medical 24.0 for segmentation and Ansys Fluent for CFD simulations.
Main Results:
- The paranasal sinuses gradually fill with irrigation solution after the common nasal passage is saturated.
- Effective fluid removal was observed only in the nasal cavity; irrigation solution remained within the paranasal sinuses.
Conclusions:
- The Proetz method is primarily effective for nasal cavity cleaning.
- Partial clearance of paranasal secretions occurs, but complete aspiration of irrigation solution from the sinus cavities is not achieved.
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