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2016 Jan-Mar; Vol 7, No 1:e1 |
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e1 |
Effect of Head and Tongue Posture on the Pharyngeal Airway Dimensions and Morphology in Three-Dimensional Imaging: a Systematic Review J Oral Maxillofac Res 2016;7(1):e1 doi:10.5037/jomr.2016.7101 |
Effect of Head and Tongue Posture on the Pharyngeal Airway Dimensions and Morphology in Three-Dimensional Imaging: a Systematic Review
1Department of Oral & Maxillofacial Surgery, Hospital of South West Denmark, Esbjerg, Denmark.
2Section of Orthodontics, Department of Dentistry, Faculty of Health Science, Aarhus University, Aarhus, Denmark.
3Department of Oral and Maxillofacial Science, Sapienza University of Rome, Rome, Italy.
4Faculty of Health Sciences, Institute of Regional Health Services Sciences, University of Southern Denmark, Denmark.
Corresponding Author:
Finsensgade 35, 6700, Esbjerg
Denmark
Phone: +4540161358
E-mail: empinholt@health.sdu.dk
ABSTRACT
Objectives: Natural head position is recommended to be optimal at cone-beam computed tomography acquisition. For standardization purposes in control of treatment outcome, it is clinically relevant to discuss, if a change of posture from natural head position may have an effect on the pharyngeal airway dimensions and morphology, during computed tomography, cone-beam computed tomography or magnetic resonance imaging acquisition. This was the aim of the present literature review study for purposes of valid evidence, which was hypothesized, to be present.
Material and Methods: This systematic literature review has been registered in PROSPERO database with following number: CRD42015024567. A systematic literature search performed in PubMed, Embase and Cochrane was carried out in order to evaluate if the effect of human head or tongue posture has an effect on upper airway dimensions and morphology in CT, CBCT or MRI. Study quality assessment was performed. Predictor variable was head and tongue posture. Endpoints were numerical values of upper airway dimensions and morphology.
Results: Overall 1344 articles (Embase 1063, PubMed 269, and Cochrane 12) resulted in four included publications. Quality assessments revealed poor quality and low-level evidence by 46 - 67% of the maximum achievable score. Heterogeneous methodology made a meta-analysis impossible, consequently a narrative synthesis was performed.
Conclusions: Limited, poor quality and low evidence level literature is available on the effect of head posture on upper airway dimensions and morphology in three-dimensional imaging. Valid evidence requires a standardized method of head and tongue posture during image acquisition in future studies.
J Oral Maxillofac Res 2016;7(1):e1
doi: 10.5037/jomr.2016.7101
Accepted for publication: 25 February 2016
Keywords: cone-beam computed tomography; magnetic resonance imaging; obstructive sleep apnea; orthognathic surgery; posture.
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To cite this article: Effect of Head and Tongue Posture on the Pharyngeal Airway Dimensions and Morphology in Three-Dimensional Imaging: a Systematic Review J Oral Maxillofac Res 2016;7(1):e1 URL: http://www.ejomr.org/JOMR/archives/2016/1/e1/v7n1e1ht.htm |
Received: 6 January 2016 | Accepted: 25 February 2016 | Published: 31 March 2016
Copyright: © The Author(s). Published by JOMR under CC BY-NC-ND 3.0 licence, 2016.