Abstract:
PURPOSE:Based on visual inspection, prior research documented increased movement of the posterior pharyngeal wall in healthy volunteers during tongue-hold swallows. This manometric study investigated the immediate effects of the tongue-hold maneuver on pharyngeal peak pressure generation, duration of pressure generation, and pressure slope measurements in healthy volunteers. METHOD:Pharyngeal pressures from 40 young, healthy individuals (mean age = 25.8 years, gender equally distributed) were recorded at 3 locations: oropharynx, hypopharynx, and upper esophageal sphincter (UES), during normal control and tongue-hold swallows. Measures of peak amplitude, duration, and slope of pressure generation were subjected to statistical analysis. RESULTS:Tongue-hold swallows produced lower pharyngeal peak pressure and shorter pharyngeal pressure durations compared to control swallows. Further, tongue-hold swallows produced lower UES relaxation pressures. Between sensors, peak pressure was lower and pressure slopes were steeper in the hypopharynx compared to the oropharynx. Several gender-specific differences were found for pharyngeal peak pressure, pressure duration, and pressure slopes. CONCLUSIONS:Reduced amplitude and duration of pharyngeal peak pressure is likely a result of decreased base of tongue retraction during tongue-hold swallows. Central clinical considerations and future research directions are discussed in this article.
journal_name
Am J Speech Lang Patholjournal_title
American journal of speech-language pathologyauthors
Doeltgen SH,Witte U,Gumbley F,Huckabee MLdoi
10.1044/1058-0360(2008/06-0061)subject
Has Abstractpub_date
2009-02-01 00:00:00pages
65-73issue
1eissn
1058-0360issn
1558-9110pii
1058-0360_2008_06-0061journal_volume
18pub_type
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journal_title:American journal of speech-language pathology
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abstract::[Figure: see text]. ...
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更新日期:2018-02-06 00:00:00
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