Document Detail

Cricopharyngeal electromyography: patterns of injury based on etiology.
MedLine Citation:
PMID:  17967648     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Although cricopharyngeal electromyography (CP-EMG) is recognized as a diagnostic tool for dysphagia assessment, few reports in the literature characterize CP-EMG abnormalities in relation to clinical presentation. The aim of this study was to review a large series of CP-EMG studies, and compare the CP-EMG results with the patients' diagnoses. METHODS: A retrospective review of all CP-EMG performed at our institution over a 10-year period was executed. CP-EMG findings were then compared with the patients' clinical history, focusing on potential etiologies of neurogenic injury. RESULTS: Seventy CP-EMGs were reviewed, with 47 (67%) demonstrating neural injury. Of those cases with neural injury on EMG, 29 (60%) had known vagal injuries, 13 (28%) had idiopathic nerve palsies, and 5 (11%) had central etiologies, such as stroke. Each of these three neurogenic subgroups revealed a distinct pattern of EMG abnormalities. CONCLUSION: This study suggests there is an association between patterns of CP-EMG abnormalities and underlying etiology based on clinical history.
Nima L Shemirani; Stacey L Halum; Albert L Merati; Robert J Toohill; Safwan Jaradeh
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery     Volume:  137     ISSN:  0194-5998     ISO Abbreviation:  Otolaryngol Head Neck Surg     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2007-10-30     Completed Date:  2007-12-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508176     Medline TA:  Otolaryngol Head Neck Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  792-7     Citation Subset:  IM    
Otolaryngology, Medical College of Wisconsin, Milwaukee, WI 53226, USA.
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MeSH Terms
Aged, 80 and over
Deglutition Disorders / etiology,  physiopathology
Esophageal Sphincter, Upper / physiopathology*
Middle Aged
Peripheral Nervous System Diseases / diagnosis*
Retrospective Studies
Vagus Nerve / injuries

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