Document Detail

Comparison of methods for determining cricopharyngeal intrabolus pressure in normal patients as possible indicator for cricopharyngeal myotomy.
MedLine Citation:
PMID:  12402009     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: We sought to compare methods for determining intrabolus cricopharyngeal pressure as a possible indicator for cricopharyngeal myotomy. STUDY DESIGN: We determined multiple intrabolus pressures in the cricopharyngeal region of 20 normal volunteers, of whom 12 were 20 to 35 years old and 8 were older than 75 years. Data were collected using a commercially available manofluorography system and a 6-sensor unidirectional solid-state 2- x 4-mm catheter. Each subject underwent 5 5-mL and 5 10-mL liquid barium swallows. Data were analyzed, and young subjects were compared with old subjects. RESULTS: The mean mid-bolus pressures in young subjects were 5.2 +/- 4.9 mm Hg and 7.2 +/- 6.5 mm Hg for the 5-mL and 10-mL swallows, respectively, and in older subjects, 10.8 +/- 8.8 mm Hg and 12.3 +/- 7.4 mm Hg. The mean gradient pressures across the 3-cm cricopharyngeal region in young subjects were 2.02 +/- 5.0 mm Hg, and -0.91 +/- 4.8 mm Hg for the 5-mL and 10-mL swallows, respectively, and for older subjects, 4.38 +/- 3.1 mm Hg and 2.82 +/- 3.4 mm Hg. CONCLUSIONS: Cricopharyngeal intrabolus pressures were lower in young than in older subjects. The mid-bolus pressure and the gradient pressure across the cricopharyngeal region appeared to be the most consistent methods for evaluating intrabolus pressures. SIGNIFICANCE: Intrabolus pressure anomalies in the cricopharyngeal region have been proposed as an indicator for selecting patients who would benefit from cricopharyngeal myotomy. The methods of determining intrabolus pressures vary, with resulting variations in recommendations.
Tanja Bammer; John R Salassa; Paul J Klingler
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery     Volume:  127     ISSN:  0194-5998     ISO Abbreviation:  Otolaryngol Head Neck Surg     Publication Date:  2002 Oct 
Date Detail:
Created Date:  2002-10-28     Completed Date:  2002-11-20     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8508176     Medline TA:  Otolaryngol Head Neck Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  299-308     Citation Subset:  IM    
Department of Surgery, Mayo Clinic, Jacksonville, FL 32224, USA.
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MeSH Terms
Age Factors
Analysis of Variance
Case-Control Studies
Cricoid Cartilage / physiology
Deglutition Disorders / diagnosis*,  surgery*
Manometry / methods*
Oropharynx / physiology*,  surgery
Pharyngeal Diseases / diagnosis,  surgery*
Pharynx / physiopathology,  surgery*
Prospective Studies
Reference Values
Sensitivity and Specificity
Video Recording / methods*

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

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