• N Sengel, M E Toprak, N H Selmi, and M S Atac.
• Department of Oral and Maxillofacial Surgery, Gazi University Faculty of Dentistry, Çankaya, Ankara, Turkey.
• Niger J Clin Pract. 2022 May 1; 25 (5): 647-652.

Background And AimSelecting the optimum nasal passage for nasotracheal intubation is quite important in the maxillofacial surgeries for the success of intubation and the reduction of potential complications such as nasal mucosal laceration, epistaxis, avulsion of the inferior and middle turbinates, and septal laceration.Materials And MethodsThe present study evaluates standard panoramic radiographs (PR) and posteroanterior cephalometric radiographs (PACR) to determine the optimal nasal passage for nasotracheal intubation and compares the results with those of routine anesthesiological occlusion and spatula tests (ST). The results of occlusion tests (OT), ST, and radiological assessments of 60 patients prior to nasotracheal intubation were compared with the nasal endoscopic assessment results, and complications were evaluated.ResultsThere was no significant association between the OT and nasal endoscopy results (P = 0.075). A significant association was found between the ST and nasal endoscopy results (P = 0.000), and between the radiological assessments and the nasal endoscopy results (P = 0.000). Compatibility with nasal endoscopy was 54% when the occlusion and ST were evaluated together, 75% when the OT and radiological assessments were evaluated together, and 86% when the ST and radiological assessments were evaluated together. The highest level of compatibility was 92% when all the tests were evaluated together.ConclusionThe simple tests alone were found to be inadequate for the selection of the optimal nasal passage. Evaluation of PR and PACR, which are commonly used in maxillofacial surgeries, together with simple anesthesiological examination tests would increase nasotracheal intubation success and decrease complications.

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