Computational Fluid Dynamics (CFD) Investigation of Aerodynamic Characters inside Nasal Cavity towards Surgical Treatments for Secondary Atrophic Rhinitis

Figure 1

(a) Preoperative horizontal slice of CT data; (b) preoperative nasal endoscopy; (c) preoperative visualization of the respiratory airways in a midsagittal cut; (d) postoperative nasal CT scan after 1 month; (e) intraoperative nasal endoscopy; and (f) postoperative visualization of the respiratory airways in a midsagittal cut. Red circles indicate preoperative positions of nasal septal perforation. Green circles indicate the positions of nasal septal perforation, the postoperation.