01-10-2016 | Otology
Endolymphatic duct blockage: quality of life assessment of a novel surgical technique for Ménière disease
Published in: European Archives of Oto-Rhino-Laryngology | Issue 10/2016
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The aim of this study is to evaluate the quality of life (QOL) of patients treated by endolymphatic duct blockage (EDB) for Ménière’s disease with a dedicated questionnaire. This is a retrospective cross-sectional study which included 54 patients diagnosed with severe, refractory Ménière’s disease according to the AAO-HNS criteria and treated with EDB between 2010 and 2013. Answers to the first 38 questions have assigned scores from 0 to 4 (0 corresponding to the poorest QOL). A preoperative score called S1 was calculated as follows: S1 = sum of preoperative question scores/maximum possible preoperative score ×100. The same formula was used to calculate the postoperative score S2. The change in QOL score, S3, was then calculated (S3 = S2−S1). All answers were analyzed anonymously. Statistical analysis was done using Student t test and Chi square test. A response rate of 89 % was obtained with the Ménière’s disease outcome questionnaire. The preoperative (S1) score was 21.4 (±12.6) and the postoperative score (S2) was 64.6 (±21.6) with a change in QOL (S3) of 43.3 (p < 0.001). Postoperatively, 89.9 % reported no Ménière’s attacks (p < 0.001). Seventy-nine percent (15/19) of the questions showed a significant improvement after surgery. These results show that EDB is associated with a significant improvement of the QOL of patients suffering from severe Ménière’s disease.