Prediction of tongue obstruction observed from drug induced sleep computed tomography by cephalometric parameters

Publication date: Available online 24 September 2018

Source: Auris Nasus Larynx

Author(s): Rashu Mittal, Li-Ang Lee, Cheng Hui Lin, Li-Jen Hsin, Navdeep Bhusri, Hsueh-Yu Li

Abstract

Objective

To elucidate potential role of cephalometric measurements to predict tongue base obstruction as observed on drug Induced Sleep Computed Tomography (DIS-CT).

Methods

Study included 35 patients with moderate to severe sleep apnea who underwent DIS-CT & cephalometric examination to assess tongue base obstruction.

Results

Statistically significant difference was noted for SNA angle & Mandibular posterior airway space (PAS) among groups with total tongue obstruction versus Non-total tongue obstruction identified on DIS-CT.

Conclusion

Lateral cephalogram can be used as a standard screening tool with commonly used skeletal and soft tissue parameters to predict the possibility of tongue collapse/obstruction during sleep in patient with moderate to severe OSAS.

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