Document Detail

Laryngeal electromyography: technical features.
MedLine Citation:
PMID:  15224819     Owner:  NLM     Status:  MEDLINE    
Laryngeal Electromyography (LEMG) is an auxiliary diagnostic method used for the comprehension and diagnosis of different neurological diseases that compromise laryngeal function. The most common LEMG technique is the percutaneous insertion of needle electrodes guided by surface anatomical references. We describe techniques for inserting needle electrodes into the tireoaritenoideus (TA), cricotireoideus (CT), cricoaritenoideus lateralis (CAL) and cricoaritenoideus posterioris (CAP) muscles; these are used at UNICAMP laryngology ambulatory, we discuss difficulties found and their proposed solutions. All patients were submitted to otorhinolaryngological, phonoaudiological and laryngeal endoscopy before LEMG. The CAP approach, by digital rotation of the thyroid cartilage was found to be the most difficult, followed by the CAL approach. TA and CT approaches gave no major problems, except with some older and obese patients. A significant complication of the TA approach via thyroid cartilage was a hematoma in one patient which partially obstructed the laryngeal lumen.
A N Crespo; P A T Kimaid; E M A B Quagliato; M A Viana; A Wolf; L A L Resende
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Electromyography and clinical neurophysiology     Volume:  44     ISSN:  0301-150X     ISO Abbreviation:  Electromyogr Clin Neurophysiol     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-06-30     Completed Date:  2004-09-23     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0327533     Medline TA:  Electromyogr Clin Neurophysiol     Country:  Belgium    
Other Details:
Languages:  eng     Pagination:  237-41     Citation Subset:  IM    
Service of Otorhinolaryngology, UNICAMP School of Medicine, UNICAMP, Brazil.
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MeSH Terms
Electromyography / methods*
Laryngeal Muscles / physiopathology*
Middle Aged
Voice Disorders / physiopathology

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

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