| Screening of velopharyngeal inadequacy by differential pressure measurements. | |
MedLine Citation:
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PMID: 2917416 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Warren (1979) described an approach for screening velopharyngeal inadequacy using a device (PERCI) that measures orifice differential pressure (P). The PERCI score is based on the relationship between velopharyngeal orifice (VPO) area and velopharyngeal orifice differential pressure. The purpose of this study was to test the original assumptions, which were based on modeling experiments and a small sample size. The sample in this study included 515 subjects who demonstrated various degrees of velopharyngeal inadequacy. The pressure-flow technique was used to estimate velopharyngeal orifice size and to measure orifice differential pressure. The data demonstrate that differential pressures greater than 3.0 cm H2O generally predict adequacy of closure, whereas differential pressures less than 3.0 cm H2O usually indicate inadequacy. These findings support the use of orifice differential pressure as a simple screening of velopharyngeal function. |
Authors:
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K E Morr; D W Warren; R M Dalston; L R Smith |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: The Cleft palate journal Volume: 26 ISSN: 0009-8701 ISO Abbreviation: Cleft Palate J Publication Date: 1989 Jan |
Date Detail:
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Created Date: 1989-04-04 Completed Date: 1989-04-04 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0372737 Medline TA: Cleft Palate J Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 42-5 Citation Subset: D; IM |
Affiliation:
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Department of Dental Ecology, UNC School of Dentistry, Chapel Hill. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Humans Manometry Nose / physiology Palate, Soft / anatomy & histology, physiology* Pharynx / anatomy & histology, physiology* Phonetics Pressure Probability Pulmonary Ventilation Velopharyngeal Insufficiency / diagnosis* |
| Grant Support | |
ID/Acronym/Agency:
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DE06957/DE/NIDCR NIH HHS; DE07105/DE/NIDCR NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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