Document Detail

Nasoendoscopy of velopharynx before and during diagnostic therapy.
MedLine Citation:
PMID:  19089215     Owner:  NLM     Status:  MEDLINE    
Nasoendoscopy is an important tool for assessing velopharyngeal function. The purpose of this study was to analyze velar and pharyngeal wall movement and velopharyngeal gap during nasoendoscopic evaluation of the velopharynx before and during diagnostic therapy. Nasoendoscopic recordings of 10 children with operated cleft lip and palate were analyzed according to the International Working Group Guidelines. Ratings of movement of velum and pharyngeal walls, and size, location and shape of gaps were analyzed by 3 speech-language pathologists (SLPs). Imaging was obtained during repetitions of the syllable /pa/ during a single nasoendoscopic evaluation: (a) before diagnostic therapy, and (b) after the children were instructed to impound and increase intraoral air pressure (diagnostic therapy). Once the patients impounded and directed air pressure orally, the displacement of the velum, right, left and posterior pharyngeal walls increased 40, 70, 80, and 10%, respectively. Statistical significance for displacement was found only for right and left lateral pharyngeal walls. Reduction in gap size was observed for 30% of the patients and other 40% of the gaps disappeared. Changes in gap size were found to be statistically significant between the two conditions. In nasoendoscopic assessment, the full potential of velopharyngeal displacement may not be completely elicited when the patient is asked only to repeat a speech stimulus. Optimization of information can be done with the use of diagnostic therapy's strategies to manipulate VP function. Assuring the participation of the SLP to conduct diagnostic therapy is essential for management of velopharyngeal dysfunction.
Maria Inês Pegoraro-Krook; Jeniffer de Cassia Rillo Dutka-Souza; Viviane Cristina de Castro Marino
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of applied oral science : revista FOB     Volume:  16     ISSN:  1678-7765     ISO Abbreviation:  J Appl Oral Sci     Publication Date:    2008 May-Jun
Date Detail:
Created Date:  2008-12-17     Completed Date:  2009-03-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101189774     Medline TA:  J Appl Oral Sci     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  181-8     Citation Subset:  D; IM    
Department of Speech Pathology and Audiology, Bauru School of Dentistry and Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo, Bauru, SP, Brazil.
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MeSH Terms
Air Pressure
Child, Preschool
Cleft Lip / complications
Cleft Palate / complications
Endoscopy / methods*
Palate, Soft / physiopathology*
Pharynx / physiopathology*
Velopharyngeal Insufficiency / complications,  diagnosis*,  etiology,  physiopathology
Video Recording
Voice Disorders / etiology

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