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Utility of injection laryngoplasty in the management of post-thyroidectomy vocal cord paralysis

Title
Utility of injection laryngoplasty in the management of post-thyroidectomy vocal cord paralysis
Authors
Lee S.W.Kim J.W.Chung C.H.Mok J.O.Shim S.S.Koh Y.W.Choi E.C.
Ewha Authors
심성신
SCOPUS Author ID
심성신scopus
Issue Date
2010
Journal Title
Thyroid
ISSN
1050-7256JCR Link
Citation
vol. 20, no. 5, pp. 513 - 517
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Background: This prospective study investigated the efficacy of injection laryn-goplasty in the management of postthyroidectomy vocal cord paralysis (VCP). Methods: From March 2005 to December 2008, 174 consecutive injection laryngoplasties were performed in patients with unilateral glottic insufficiency. This included 34 patients with post-thyroidectomy VCP: 15 with temporary VCP and 19 with permanent VCP. Percutaneous injection was performed under local anesthesia into the vocalis muscle, using disposable 25G-long needles through the cricothyroid membrane or directly through the thyroid cartilage. Patients completed the acoustic, aerodynamic, perceptual, stroboscopic, and voice handicap index evaluations before and at 3 and 6 months after the injection. Results: All injection laryngoplasty could be performed under local anesthesia without morbidity. Acoustic and perceptual parameters (overall grade of hoarseness, roughness, breathiness, asthenia, and strain), maximum phonation time, jitter, and shimmer, voice handicap index, and grades of mucosal waves and glottic closure were significantly improved after the injection and they remained stable over 6 months in both the temporary VCP and permanent groups (p < 0.05). Conclusions: Based on these preliminary results, injection laryngoplasty improved the voice, and voice-related quality of life in patients with post-thyroidectomy VCP. It is a simple, safe, and useful method for rehabilitating post-thyroidectomy VCP patients. © 2010 Mary Ann Liebert, Inc.
DOI
10.1089/thy.2009.0397
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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