Document Detail

Treatment of vocal fold scar by carbon dioxide laser and collagen injection: retrospective study on 12 patients.
MedLine Citation:
PMID:  20306066     Owner:  NLM     Status:  MEDLINE    
Vocal fold scars are the result of injury to the vocal fold lamina propria. This condition leads to an impaired vibration and usually to poor voice quality. The purpose of our study was to compare the pre- and posttreatment voice assessment scores in patients treated by CO(2) laser-assisted freeing of the scar followed by collagen injection. A group of 12 patients (10 women and 2 men) with vocal fold scars was studied retrospectively. Voice assessment was based on stroboscopy and on perceptual scores using the Grade (G) of the GRABS scale, subjective evaluation by the use of the Voice Handicap Index (VHI), aerodynamic measurements [maximum phonation time (MPT) and phonation quotient (PQ)], and acoustical measurements (frequency range and low intensity). Stroboscopy showed an improvement on the mucosal vocal fold wave and on the glottic competence. The mean VHI was improved from 63.16 to 45.5; G from 2 to 1.41; MPT from 7.05 to 8.62 s; and PQ from 463.02 to 358.54 ml/s. CO(2) laser freeing of vocal fold scars followed by collagen injection, combined with speech therapy, improved significantly the aerodynamic parameters (efficiency of voice), but not the acoustical scores.
Angels Martínez Arias; Marc Remacle; Georges Lawson
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Publication Detail:
Type:  Journal Article     Date:  2010-03-20
Journal Detail:
Title:  European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery     Volume:  267     ISSN:  1434-4726     ISO Abbreviation:  Eur Arch Otorhinolaryngol     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-07-23     Completed Date:  2010-12-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9002937     Medline TA:  Eur Arch Otorhinolaryngol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1409-14     Citation Subset:  IM    
Department of Otorhinolaryngology-Head and Neck Surgery, UCLouvain Hospital of Mont-Godinne, Therasse Avenue 1, 5530, Yvoir, Belgium.
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MeSH Terms
Cicatrix / surgery*
Collagen / administration & dosage*
Combined Modality Therapy
Follow-Up Studies
Lasers, Gas / therapeutic use*
Middle Aged
Postoperative Complications / diagnosis,  surgery*
Speech Therapy
Vocal Cords / injuries*,  surgery*
Voice Disorders / diagnosis,  surgery*
Voice Quality / physiology
Reg. No./Substance:

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

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