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Predictive value of hyoid cephalometrics for retroglossal obstruction in patients with obstructive sleep apnoea hypopnea syndrome

Published online by Cambridge University Press:  25 January 2019

R Y Hei ,
J Qin  and
S H Li
R Y Hei
Affiliation:
Department of Otolaryngology – Head and Neck Surgery, General Hospital of Shenyang Military Area Command, China
J Qin
Affiliation:
Department of Otolaryngology – Head and Neck Surgery, General Hospital of Shenyang Military Area Command, China
S H Li*
Affiliation:
Department of Otolaryngology – Head and Neck Surgery, General Hospital of Shenyang Military Area Command, China
*
Author for correspondence: Dr Shuhua Li, No. 83 Wenhua Road, Shenyang City, Liaoning Province, 110016, China E-mail: [email protected]
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Abstract

Objective

To examine the diagnostic value of hyoid cephalometrics in predicting retroglossal obstruction severity in patients with obstructive sleep apnoea hypopnea syndrome.

Methods

Ninety-six obstructive sleep apnoea hypopnea syndrome patients diagnosed by polysomnography were recruited. Polysomnography was repeated with a nasopharyngeal tube after eliminating rhinal and palatopharyngeal obstruction. Cervical vertebra lateral films and hyoid cephalometric measurements were obtained, including the distances of the hyoid to the: mental tubercle, prevertebral plane, mental tubercle coronal plane and mental tubercle horizontal plane.

Results

The apnoea-hypopnoea index for nasopharyngeal tube polysomnography was significantly correlated with distances from the hyoid to: prevertebral plane (r = 0.350), coronal plane (r = 0.477), horizontal plane (r = 0.529) and mental tubercle (r = 0.560). It was strongly correlated with the hyoid to mental tubercle distance/hyoid to prevertebral plane distance value (r = 0.683), and (hyoid to coronal plane distance plus hyoid to horizontal plane distance)/hyoid to prevertebral plane distance value (r = 0.675).

Conclusion

Obstructive sleep apnoea hypopnea syndrome patients with longer hyoid to mental tubercle distances, and/or more inferior and posterior hyoid bone position, are more prone to retroglossal stenosis and obstruction. Hyoid cephalometrics are valuable for predicting retroglossal obstruction severity.

Keywords

Sleep Apnea, ObstructivePolysomnographyHyoid BoneCephalometry
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 133 , Issue 2 , February 2019 , pp. 119 - 124
Copyright
Copyright © JLO (1984) Limited, 2019 

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Footnotes

Dr S Li takes responsibility for the integrity of the content of the paper

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