Effects of posterior tympanotomy with steroids at round window on hearing recovery after revision surgery for intractable Meniere's disease

Masaharu Sakagami, Tadashi Kitahara, Taeko Ito, Ichiro Ota, Tadashi Nishimura, Ari Nishimura, Shintaro Otsuka, Toshiaki Yamanaka
Acta Oto-laryngologica 2015, 135 (7): 667-72

CONCLUSIONS: At the second postoperative year, there were no significant differences between results for vertigo and hearing after endolymphatic sac drainage with steroid instillation surgery (EDSS) and EDSS with posterior tympanotomy with steroids at the round window (EDRW). In particular, as regards hearing recovery to the preoperative level, the periods after EDRW were shorter than those after the second EDSS.

OBJECTIVES: Patients sometimes faces recurrent problems years after EDSS due to endolymphatic sac closure and/or disease progression. In the present study, we examined the effects of EDRW on vertigo and hearing after revision surgery for intractable relapsed Meniere's disease.

METHODS: Sixteen patients with Meniere's disease had revision surgery due to intractable recurrence of disease, and were followed up regularly at least for 2 years. As revision surgery, EDSS was performed repeated in eight cases and EDRW was performed in the other eight. There were no significant differences between the patients' backgrounds in the two groups.

RESULTS: Periods of hearing recovery to the preoperative level were 11.5 ± 4.4 months after the first EDSS, although it took 16.4 ± 2.6 months longer after revision surgery with the second EDSS (p = 0.038 < 0.05: first EDSS vs second EDSS) and was 10.0 ± 3.3 months shorter after revision surgery with EDRW (p = 0.010 < 0.05: second EDSS vs EDRW).

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