Source:http://linkedlifedata.com/resource/pubmed/id/17879103
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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
1
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| pubmed:dateCreated |
2008-1-14
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| pubmed:abstractText |
To determine the effects of a nasal dilation appliance on 3-D nasopharyngeal airway patency. The sample comprised 187 adults (98 males, 89 females) with a history of sleep-disordered breathing. Acoustic rhinometry readings were taken from all patients before and after the intra-oral placement of a nasal dilation appliance (OASYS). The mean left and right nasopharyngeal airways were reconstructed in 3-D, and the data from the right and left nostrils were subjected to principal components analysis (PCA) and finite-element scaling analysis (FESA). Comparing the pre- and post-treatment 3-D mean, left nasopharyngeal airways using PCA, the first two eigenvalues accounted for 96% of the total shape change, and statistical differences were found (p < 0.01). Similarly, for the right side, significant differences were detected between the mean pre- and post-treatment 3-D nasopharyngeal airways (p < 0.01) using PCA. Using FESA to quantify and localize changes after the placement of the nasal dilation appliance, the 3-D mean, normalized, left nasopharyngeal airway was found to be 14% wider in the anterior nasal valve region and 28% wider in the distal regions, while the 3-D mean, normalized, right nasopharyngeal airway was 13% wider in the anterior nasal valve region and 27% wider further distally. The use of an intra-oral nasal dilation appliance may be useful in the management of nasopharyngeal conditions, such as snoring, upper airway resistance syndrome, sleep-disordered breathing, and obstructive sleep apnea, especially in cases where nasal obstruction is demonstrable.
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| pubmed:commentsCorrections | |
| pubmed:language |
eng
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| pubmed:journal | |
| pubmed:citationSubset |
IM
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| pubmed:status |
MEDLINE
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| pubmed:month |
Mar
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| pubmed:issn |
1522-1709
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| pubmed:author | |
| pubmed:issnType |
Electronic
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| pubmed:volume |
12
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| pubmed:owner |
NLM
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| pubmed:authorsComplete |
Y
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| pubmed:pagination |
69-75
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| pubmed:meshHeading |
pubmed-meshheading:17879103-Adult,
pubmed-meshheading:17879103-Aged,
pubmed-meshheading:17879103-Cephalometry,
pubmed-meshheading:17879103-Computer Simulation,
pubmed-meshheading:17879103-Dental Casting Technique,
pubmed-meshheading:17879103-Dilatation,
pubmed-meshheading:17879103-Female,
pubmed-meshheading:17879103-Finite Element Analysis,
pubmed-meshheading:17879103-Humans,
pubmed-meshheading:17879103-Male,
pubmed-meshheading:17879103-Middle Aged,
pubmed-meshheading:17879103-Nasal Cavity,
pubmed-meshheading:17879103-Nasal Obstruction,
pubmed-meshheading:17879103-Nasopharynx,
pubmed-meshheading:17879103-Orthodontic Appliance Design,
pubmed-meshheading:17879103-Orthodontic Appliances, Removable,
pubmed-meshheading:17879103-Polysomnography,
pubmed-meshheading:17879103-Principal Component Analysis,
pubmed-meshheading:17879103-Retrospective Studies,
pubmed-meshheading:17879103-Sleep Apnea, Obstructive
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| pubmed:year |
2008
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| pubmed:articleTitle |
Effect of an intra-oral nasal dilation appliance on 3-D nasal airway morphology in adults.
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| pubmed:affiliation |
Portland State University, OR 97207-0751, USA. gdsingh@pdx.edu
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| pubmed:publicationType |
Journal Article
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