了解空气流动力学:使用患者特定模型对鼻腔和口腔呼吸器进行计算研究
Shawn Ann Thomas1, Supriya Nambiar2, Mohammed Zuber3
1Department of Orthodontics and Dentofacial Orthopaedics, Manipal College of Dental Sciences Mangalore, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
BDJ open
|January 15, 2026
概括
计算流体动力学 (CFD) 揭示了鼻腔气道阻塞的空气流变化,影响了面发育. 对气道形态和空气流动力学的CFD分析提供了对呼吸模式影响的见解.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
- 生物医学工程 生物医学工程
- 计算流体动力学 (CFD) 是一种计算流体动力学.
背景情况:
- 呼吸模式显著影响面的生长和发育,这是一个正在进行的辩论的主题.
- 了解气道形态和空气流动力学对于诊断和治疗呼吸相关疾病至关重要.
研究的目的:
- 分析和比较呼吸道形态和空气流动动力学在正常鼻腔呼吸的人与那些鼻腔阻塞.
- 研究不同程度的鼻腔阻塞对喉气道内的空气流模式的影响.
主要方法:
- 使用高分辨率计算机断层扫描 (CT) 扫描进行呼吸道细分.
- 在5名患者 (18-28岁) 上使用计算流体动力学 (CFD) 分析,按呼吸模式和鼻腔阻塞进行分类.
- 评估了空气流动模式,速度分布,壁切应力 (WSS) 和气道阻力.
主要成果:
- 经过鼻腔解剖学的影响,在喉气道内显示出非均的速度分布.
- 在不同程度的鼻腔阻塞中观察到流量参数 (速度流线,WSS,压力下降) 的显著变化.
- 在被阻塞的鼻腔气道中确定了改变的气流特征.
结论:
- CFD提供了关于生理和病理呼吸对呼吸道动态的综合影响的宝贵见解.
- 空气流模式和像速度流线这样的参数可以作为临床症状 (例如,厌氧症) 的支持性指标.
- 由于CFD的非侵入性,可以对气道流动行为进行现实的评估.
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