Document Detail


The effect of effortful swallow on pharyngeal manometric measurements during saliva and water swallowing in healthy participants.
MedLine Citation:
PMID:  18452727     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To evaluate the effect of effortful swallow on pharyngeal manometric pressure measurements during saliva and water swallowing. DESIGN: Comparative analysis of pharyngeal pressure generation under 2 bolus and 2 task conditions. SETTING: Swallowing rehabilitation research laboratory. PARTICIPANTS: Healthy participants (N=40), sex equally represented, with a mean age of 25.8 years. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Manometric peak and nadir amplitude and duration measures at 3 locations in the pharynx. RESULTS: Significantly higher peak pressures were measured for saliva swallows compared with water swallows under both swallowing conditions at the proximal pharyngeal sensor only (P=.011). No significant differences were observed between the effortful versus noneffortful conditions at the proximal and midpharyngeal sensors; however, upper esophageal sphincter (UES) nadir pressures were significantly lower for effortful than noneffortful swallows (P=.034) with significantly lower pressure measurements in saliva effortful swallows (P=.008) compared with water effortful swallows. Saliva swallows resulted in significantly longer pressure durations than water swallows at the proximal (P=.003) and middle (P=.048) sensors. Pressure-generation duration was significantly longer in effortful versus noneffortful swallows for the middle sensor (P=.036) only. CONCLUSIONS: The results indicate that the effect of effortful swallow on pharyngeal peak pressure measurement is not altered by bolus type (saliva vs water). However, this is not the case for nadir pressure measurements in the UES, which were significantly lower in effortful saliva swallows than in effortful water swallows.
Authors:
Ulrike Witte; Maggie-Lee Huckabee; Sebastian H Doeltgen; Freya Gumbley; Michael Robb
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Archives of physical medicine and rehabilitation     Volume:  89     ISSN:  1532-821X     ISO Abbreviation:  Arch Phys Med Rehabil     Publication Date:  2008 May 
Date Detail:
Created Date:  2008-05-02     Completed Date:  2008-06-03     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  2985158R     Medline TA:  Arch Phys Med Rehabil     Country:  United States    
Other Details:
Languages:  eng     Pagination:  822-8     Citation Subset:  AIM; IM    
Affiliation:
Department of Communication Disorders, University of Canterbury, Christchurch, New Zealand. uwitte@uhbs.ch
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MeSH Terms
Descriptor/Qualifier:
Adult
Analysis of Variance
Biomechanics
Deglutition / physiology*
Female
Humans
Male
Manometry
Muscle Contraction / physiology
Pharyngeal Muscles / physiology*
Pharynx / physiology*
Physical Exertion
Pressure
Reference Values
Saliva
Water
Chemical
Reg. No./Substance:
7732-18-5/Water

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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