Dysphagia other diagnostic studies: Difference between revisions

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{{Dysphagia}}
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==Overview==
Other diagnostic studies for dysphagia include [[esophageal manometry]], electromyography, and electroglottograpghy.


==Other Diagnostic Studies==
==Other Diagnostic Studies==
Other diagnostics studies for dysphagia are as follows:<ref name="PandolfinoGhosh2008">{{cite journal|last1=Pandolfino|first1=John E|last2=Ghosh|first2=Sudip K|last3=Rice|first3=John|last4=Clarke|first4=John O|last5=Kwiatek|first5=Monika A|last6=Kahrilas|first6=Peter J|title=Classifying Esophageal Motility by Pressure Topography Characteristics: A Study of 400 Patients and 75 Controls|journal=The American Journal of Gastroenterology|volume=103|issue=1|year=2008|pages=27–37|issn=0002-9270|doi=10.1111/j.1572-0241.2007.01532.x}}</ref><ref name="OmariBakewell1996">{{cite journal|last1=Omari|first1=T.|last2=Bakewell|first2=M.|last3=Fraser|first3=R.|last4=Malbert|first4=C.|last5=Davidson|first5=G.|last6=Dent|first6=J.|title=Intraluminal micromanometry: an evaluation of the dynamic performance of micro-extrusions and sleeve sensors|journal=Neurogastroenterology & Motility|volume=8|issue=3|year=1996|pages=241–245|issn=13501925|doi=10.1111/j.1365-2982.1996.tb00263.x}}</ref>
Other diagnostics studies for dysphagia are as follows:<ref name="PandolfinoGhosh2008">{{cite journal|last1=Pandolfino|first1=John E|last2=Ghosh|first2=Sudip K|last3=Rice|first3=John|last4=Clarke|first4=John O|last5=Kwiatek|first5=Monika A|last6=Kahrilas|first6=Peter J|title=Classifying Esophageal Motility by Pressure Topography Characteristics: A Study of 400 Patients and 75 Controls|journal=The American Journal of Gastroenterology|volume=103|issue=1|year=2008|pages=27–37|issn=0002-9270|doi=10.1111/j.1572-0241.2007.01532.x}}</ref><ref name="OmariBakewell1996">{{cite journal|last1=Omari|first1=T.|last2=Bakewell|first2=M.|last3=Fraser|first3=R.|last4=Malbert|first4=C.|last5=Davidson|first5=G.|last6=Dent|first6=J.|title=Intraluminal micromanometry: an evaluation of the dynamic performance of micro-extrusions and sleeve sensors|journal=Neurogastroenterology & Motility|volume=8|issue=3|year=1996|pages=241–245|issn=13501925|doi=10.1111/j.1365-2982.1996.tb00263.x}}</ref>
===Oropharyngeal Dysphagia===
* Videofloroscopic Swallowing Study
* [[Electromyography]] (EMG)
* [[Electromyography]] (EMG)
* Electroglottography (EGG) (records vocal fold movement)
* Electroglottography (EGG) (records vocal fold movement)
* Pharyngeal [[manometry]]
* Manometry
===Video Fluoroscopic Swallowing Study===
 
Video Fluoroscopic Swallowing Study(VFSS), also known as modified barium swallow, is used as the initial study for the evaluation of oropharyngeal dysphagia.<ref name="pmid17549634">{{cite journal| author=Mainie I, Tutuian R, Patel A, Castell DO| title=Regional esophageal dysfunction in scleroderma and achalasia using multichannel intraluminal impedance and manometry. | journal=Dig Dis Sci | year= 2008 | volume= 53 | issue= 1 | pages= 210-6 | pmid=17549634 | doi=10.1007/s10620-007-9845-x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17549634  }} </ref><ref name="pmid23150831">{{cite journal| author=Herbella FA| title=Critical analysis of esophageal multichannel intraluminal impedance monitoring 20 years later. | journal=ISRN Gastroenterol | year= 2012 | volume= 2012 | issue=  | pages= 903240 | pmid=23150831 | doi=10.5402/2012/903240 | pmc=3488400 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23150831  }} </ref><ref name="pmid11213249">{{cite journal| author=Perry L, Love CP| title=Screening for dysphagia and aspiration in acute stroke: a systematic review. | journal=Dysphagia | year= 2001 | volume= 16 | issue= 1 | pages= 7-18 | pmid=11213249 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11213249 }} </ref>
=== Esophageal manometry ===
It provides the following information about the oropharyngeal swallowing mechanism:
Manometry is performed to assess motor function of the esophagus.
* Delay in initiation of pharyngeal swallowing
*High resolution manometry is recommended.
* Nasopharyngeal regurgitation
*Most commonly indicated for diagnosing esophageal dysphagia.
* Residue of ingestate within the pharyngeal cavity after swallowing
*Uses miniature, multichannel, water-perfused catheters or solid-state catheters
* Aspiration of ingestate
*Pressures gradients are recorded along the esophageal body and  the gastroesophageal junction
*Computerized interpolation generates esophageal pressure isocontour lines.


{{#ev:youtube|grIPYEwbCy4}}
* Facilitates differentiation between a restrictive disorder and muscular weakness in the pharyngoesophageal segment.{{#ev:youtube|795yXyvZaAs}}


===Esophageal Dysphagia===
=== Electromyography ===
*[[Esophageal manometry]]
* Electromyography has limited use clinically in diagnosing dysphagia.
**High resolution manometry
* Two subtypes:
***Uses miniature, multichannel, water-perfused catheters or solid-state catheters
** Swallowing electromyography
***Pressures are recorded along the esophageal body and across the gastroesophageal junction
** Laryngeal electromyography
***Computerized interpolation generates esophageal pressure isocontour lines
**Facilitates differentiation between a restrictive disorder and muscular weakness in the pharyngoesophageal segment


==References==
====References====
{{Reflist|2}}
{{Reflist|2}}
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Latest revision as of 21:30, 29 July 2020

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Hamid Qazi, MD, BSc [2], Feham Tariq, MD [3]

Overview

Other diagnostic studies for dysphagia include esophageal manometry, electromyography, and electroglottograpghy.

Other Diagnostic Studies

Other diagnostics studies for dysphagia are as follows:[1][2]

  • Electromyography (EMG)
  • Electroglottography (EGG) (records vocal fold movement)
  • Manometry

Esophageal manometry

Manometry is performed to assess motor function of the esophagus.

  • High resolution manometry is recommended.
  • Most commonly indicated for diagnosing esophageal dysphagia.
  • Uses miniature, multichannel, water-perfused catheters or solid-state catheters
  • Pressures gradients are recorded along the esophageal body and the gastroesophageal junction
  • Computerized interpolation generates esophageal pressure isocontour lines.
  • Facilitates differentiation between a restrictive disorder and muscular weakness in the pharyngoesophageal segment.{{#ev:youtube|795yXyvZaAs}}

Electromyography

  • Electromyography has limited use clinically in diagnosing dysphagia.
  • Two subtypes:
    • Swallowing electromyography
    • Laryngeal electromyography

References

  1. Pandolfino, John E; Ghosh, Sudip K; Rice, John; Clarke, John O; Kwiatek, Monika A; Kahrilas, Peter J (2008). "Classifying Esophageal Motility by Pressure Topography Characteristics: A Study of 400 Patients and 75 Controls". The American Journal of Gastroenterology. 103 (1): 27–37. doi:10.1111/j.1572-0241.2007.01532.x. ISSN 0002-9270.
  2. Omari, T.; Bakewell, M.; Fraser, R.; Malbert, C.; Davidson, G.; Dent, J. (1996). "Intraluminal micromanometry: an evaluation of the dynamic performance of micro-extrusions and sleeve sensors". Neurogastroenterology & Motility. 8 (3): 241–245. doi:10.1111/j.1365-2982.1996.tb00263.x. ISSN 1350-1925.

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