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Effect of Head and Tongue Posture on the Pharyngeal Airway Dimensions and Morphology in Three-Dimensional Imaging: a Systematic Review.

Gurani SF, Di Carlo G, Cattaneo PM, Thorn JJ, Pinholt EM - J Oral Maxillofac Res (2016)

Bottom Line: Overall 1344 articles (Embase 1063, PubMed 269, and Cochrane 12) resulted in four included publications.Heterogeneous methodology made a meta-analysis impossible, consequently a narrative synthesis was performed.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.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Oral & Maxillofacial Surgery, Hospital of South West Denmark, Esbjerg Denmark.

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.

No MeSH data available.


Related in: MedlinePlus

PRISMA flow diagram illustrating the literature search protocol.
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fig1: PRISMA flow diagram illustrating the literature search protocol.

Mentions: In the stage of identification, according to the article selection process ‘PRISMA 2009 Flow Diagram’ as presented in Figure 1, the duplicate references were removed by a “duplicate finder” tool from EndNote X7 and manually as well, resulting in 1197 references to 147 duplicate references removal.


Effect of Head and Tongue Posture on the Pharyngeal Airway Dimensions and Morphology in Three-Dimensional Imaging: a Systematic Review.

Gurani SF, Di Carlo G, Cattaneo PM, Thorn JJ, Pinholt EM - J Oral Maxillofac Res (2016)

PRISMA flow diagram illustrating the literature search protocol.
© Copyright Policy - open-access
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC4837605&req=5

fig1: PRISMA flow diagram illustrating the literature search protocol.
Mentions: In the stage of identification, according to the article selection process ‘PRISMA 2009 Flow Diagram’ as presented in Figure 1, the duplicate references were removed by a “duplicate finder” tool from EndNote X7 and manually as well, resulting in 1197 references to 147 duplicate references removal.

Bottom Line: Overall 1344 articles (Embase 1063, PubMed 269, and Cochrane 12) resulted in four included publications.Heterogeneous methodology made a meta-analysis impossible, consequently a narrative synthesis was performed.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.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Oral & Maxillofacial Surgery, Hospital of South West Denmark, Esbjerg Denmark.

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.

No MeSH data available.


Related in: MedlinePlus