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Arytenoid adduction combined with medialization thyroplasty: an evidence-based review
Michael W Chester1, Michael G Stewart
1The University of Texas-Houston Medical School, Houston, TX, USA.
Objective:
Medialization thyroplasty (MT) and arytenoid adduction (AA) are effective treatments for medializing the paralyzed vocal cord, but indications and benefits of each procedure are controversial. We performed a formal evidence-based review to answer this question: In patients with unilateral vocal cord paralysis, does AA combined with MT significantly improve subjective and objective voice outcomes compared with MT alone?Study design We performed a MEDLINE literature search using specific search terms to identify pertinent articles, which were reviewed and graded according to the evidence quality.
Results:
We identified 219 potentially pertinent articles; detailed review yielded 10 studies for further analysis. Only 3 studies directly compared MT with AA plus MT: overall, there was no clear benefit in subjective or objective outcomes for AA plus MT.
Conclusions:
Very limited grade C evidence indicates no clear benefit, or lack of benefit, in subjective or objective outcomes if AA is added to MT, compared with MT alone.
