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Patient-specific geometry modeling and mesh generation for simulating Obstructive Sleep Apnea Syndrome cases by Maxillomandibular Advancement

Author

Listed:
  • Ito, Yasushi
  • Cheng, Gary C.
  • Shih, Alan M.
  • Koomullil, Roy P.
  • Soni, Bharat K.
  • Sittitavornwong, Somsak
  • Waite, Peter D.

Abstract

The objective of this paper is the reconstruction of upper airway geometric models as hybrid meshes from clinically used Computed Tomography (CT) data sets in order to understand the dynamics and behaviors of the pre- and postoperative upper airway systems of Obstructive Sleep Apnea Syndrome (OSAS) patients by viscous Computational Fluid Dynamics (CFD) simulations. The selection criteria for OSAS cases studied are discussed because two reasonable pre- and postoperative upper airway models for CFD simulations may not be created for every case without a special protocol for CT scanning. The geometry extraction and manipulation methods are presented with technical barriers that must be overcome so that they can be used along with computational simulation software as a daily clinical evaluation tool. Eight cases are presented in this paper, and each case consists of pre- and postoperative configurations. The results of computational simulations of two cases are included in this paper as demonstration.

Suggested Citation

  • Ito, Yasushi & Cheng, Gary C. & Shih, Alan M. & Koomullil, Roy P. & Soni, Bharat K. & Sittitavornwong, Somsak & Waite, Peter D., 2011. "Patient-specific geometry modeling and mesh generation for simulating Obstructive Sleep Apnea Syndrome cases by Maxillomandibular Advancement," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 81(9), pages 1876-1891.
    • Handle: RePEc:eee:matcom:v:81:y:2011:i:9:p:1876-1891
    DOI: 10.1016/j.matcom.2011.02.006
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    Cited by:

    1. Cheng, Gary C. & Koomullil, Roy P. & Ito, Yasushi & Shih, Alan M. & Sittitavornwong, Somsak & Waite, Peter D., 2014. "Assessment of surgical effects on patients with obstructive sleep apnea syndrome using computational fluid dynamics simulations," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 106(C), pages 44-59.
    2. López-Ruiz, Jorge & Botello-Rionda, Salvador & Herrera-Guzmán, Rafael & Carrillo-Tripp, Mauricio, 2023. "Viral capsid nanoindentation simulations using octree-type data structures," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 203(C), pages 131-149.
    3. Mohd Faruq Abdul Latif & Nik Nazri Nik Ghazali & M. F. Abdullah & Norliza Binti Ibrahim & Roziana M. Razi & Irfan Anjum Badruddin & Sarfaraz Kamangar & Mohamed Hussien & N. Ameer Ahammad & Azeem Khan, 2023. "Modelling the Upper Airways of Mandibular Advancement Surgery: A Systematic Review," Mathematics, MDPI, vol. 11(1), pages 1-16, January.

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