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Facial Plast Surg 2023; 39(04): 393-400
DOI: 10.1055/s-0042-1759764
Original Article

Impact of the Location of Nasal Septal Deviation on the Nasal Airflow and Air Conditioning Characteristics

Yang Na
1   Department of Mechanical Engineering, Konkuk University, Seoul, Korea
,
Kyung Won Kwon
2   Department of Otolaryngology, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea
,
Yong Ju Jang
2   Department of Otolaryngology, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea
› Author Affiliations Funding Y.N. was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (No. NRF-2020R1A2C1005128).
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Abstract

The location of nasal septal deviation (NSD) directly impacts nasal physiology. The objective is to examine, using computational fluid dynamics (CFD), the difference in the airflow and air conditioning characteristics according to the location of NSD. Twenty patients with septal deviation were divided into two: 10 caudal septal deviation (CSD) and 10 posterior septal deviation (PSD). Physiological variables were compared and numerical models for nasal cavity were created with CT scans. Cases with CSD had distinctive features including restricted airflow partition, larger nasal resistance, and decreased surface heat flux in the more obstructed side (MOS), and lower humidity and air temperature in the lesser obstructed side (LOS). Physiological differences were observed according to the location of septal deviation, CSD cases exhibit significantly more asymmetric airflow characteristics and air conditioning capacity between LOS and MOS.

Keywords

caudal area - posterior deviation - computational fluid dynamics - nasal resistance - air conditioning capacity

Authors' Contributions

Y.N. did the study design, CFD analysis, and original manuscript preparation. K.W.K. did the data collection, statistical analysis, and preparation of figure. Y.J.J. did the study design, data collection, and manuscript editing. All authors have reviewed and approved the article for submission and agreed upon the authorship order.




Publication History

Article published online:
23 December 2022

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