Alexandros G .Sfakianakis,ENT,Anapafeos 5 Agios Nikolaos Crete 72100 Greece,00302841026182

Παρασκευή 20 Ιανουαρίου 2017

Long-term outcomes of endolymphatic sac shunting with local steroids for Meniere's disease

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Publication date: Available online 20 January 2017
Source:American Journal of Otolaryngology
Author(s): Cameron C. Wick, Nauman F. Manzoor, Caileigh McKenna, Maroun T. Semaan, Cliff A. Megerian
ObjectivesTo evaluate the long-term efficacy of endolymphatic sac shunt techniques with and without local steroid administration.Study designRetrospective case series and patient survey.SettingTertiary university hospital.PatientsMeniere's disease (MD) patients that failed medical therapy and subsequently underwent an endolymphatic sac shunt procedure. All patients had definitive or probable MD and at least 18-months of follow-up.InterventionsThree variations on endolymphatic sac decompression with shunt placement were performed: Group A received no local steroids, Group B received intratympanic dexamethasone prior to incision, and Group C received dexamethasone via both intratympanic injection and direct endolymphatic sac instillation.Main outcome measure(s)Vertigo control, hearing results, and survey responses.ResultsBetween 2002 and 2013, 124 patients with MD underwent endolymphatic sac decompression with shunt placement. 53 patients met inclusion criteria. Groups A, B, and C had 6 patients, 20 patients, and 27 patients, respectively. Mean follow-up was 56months. Vertigo control improved in 66%, 83%, and 93% of Groups A, B, and C. Functional level improved for Group B (−2.0) and Group C (−2.2) but was unchanged in Group A. Pure-tone average and speech discrimination scores changed by +22dB and −30%, +6dB and −13%, and +6dB and −5% in Groups A, B, and C. The long-term hearing results were significantly better with steroids (Groups B and C) according to the AAO-HNS 1995 criteria but did not meet significance on non-parametric testing.ConclusionsEndolymphatic sac shunt procedures may benefit from steroid instillation at the time of shunt placement.



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