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  • Title: Failed medialization laryngoplasty: management by revision surgery.
    Author: Woo P, Pearl AW, Hsiung MW, Som P.
    Journal: Otolaryngol Head Neck Surg; 2001 Jun; 124(6):615-21. PubMed ID: 11391250.
    Abstract:
    OBJECTIVE: The purpose of this study was to evaluate the cause of immediate and late medialization laryngoplasty failures and to describe their management. METHODS: A retrospective analysis was performed in 20 patients who underwent revision surgery after failed medialization laryngoplasty. Analysis was based on preoperative spiral CT scan, preoperative and postoperative videostrobolaryngoscopy, and phonatory function measures. RESULTS: Three major types of failures were identified. The most common problem was arytenoid rotation with a persistent posterior glottic gap (11 of 20). Malposition or wrong size of the implants resulted in a lateralized vocal fold or false vocal fold medialization (6 of 20). Three patients had implants that were extruding. Late atrophy and bowing resulted in a glottal gap (2 of 20). One patient had fibrosis around the implant requiring removal. Spiral CT scan of the larynx located the implant precisely and showed the degree of arytenoid rotation. Patients with arytenoid rotation and posterior gap had revision medialization combined with arytenoid adduction. Revision medialization was performed in 11 patients, arytenoid adduction in 12 patients, lipoinjection in 2 patients, and 4 implants were removed. The voice was improved in 15 patients. Improved voice was correlated with improved phonation time and reduced phonatory airflow rates. CONCLUSION: Immediate and late failures of medialization laryngoplasty are due to several possible causes. Revision surgery is feasible and highly successful. To select between the surgical alternatives work up should include preoperative analysis of vocal function, videostrobolaryngoscopic analysis, and spiral CT of the larynx.
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