Paediatric injection medialisation laryngoplasty: Recent Great Ormond Street Hospital experience

Publication date: September 2017
Source:International Journal of Pediatric Otorhinolaryngology, Volume 100
Author(s): K.A. Stephenson, L. Cavalli, A. Lambert, J. Fleming, E. Lawes, S. Gupta, C.G. Jephson, L.A. Cochrane
IntroductionUnilateral vocal fold paresis may significantly impair the vocal quality and laryngeal competence of a child. Relatively little literature relates to injection medialisation laryngoplasty (IML) in children and previous reports have involved small numbers of heterogenous cases.MethodsA retrospective review was conducted of paediatric patients managed by our multidisciplinary specialist voice clinic undergoing IML for unilateral vocal fold paresis. Cases of bilateral paresis, those characterised by vocal fold fixation, and patients without formal pre and post-operative voice evaluation were excluded.ResultsEighteen IML procedures were performed in 12 children eligible for inclusion between 2005 and 2015. The average age at time of procedure was 12 years (range 9–15 years). Autologous fat was used in 5 procedures, succeeded by calcium hydroxylapatite (Radiesse^® Voice) from 2011 (n = 13). A significant improvement in median GRBAS score components was observed after calcium hydroxylapatite injection in terms of grade (p = 0.008), breathiness (p = 0.002) and aesthenia (p = 0.016). A pre- and post-procedural Voice Handicap Index was self-completed by 6 patients receiving calcium hydroxylapatite injection; the median change in score was an improvement of 19 points (interquartile range 36.5).ConclusionWe describe the outcomes of a comparatively large paediatric series and have found IML using calcium hydroxylapatite to be a reliable technique associated with improved subjective outcome measures. Management of UVCP in the child is a challenge with particular investigative and interventional considerations. Further study supported by high quality subjective and, where possible, objective outcome measures, is required to better inform patient selection, timing of intervention and choice of injection material.



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