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Predictive factors for postoperative outcome after endolymphatic sac surgery. Part 1: Clinical and prognostic STROBE
A Derieppe1, K Bourget-Aguilar1, P Bordure1
1Service d'ORL et Chirurgie Cervico-Faciale, CHU de Nantes Hôtel-Dieu, 1, place Alexis-Ricordeau, 44000 Nantes, France.
Objective:
To evaluate preoperative predictive factors 2years after endolymphatic sac surgery (ESS) in patients with Ménière's disease (MD).
Materials And Methods:
A retrospective single-center study included patients who underwent ESS between 2015 and 2022, with unilateral MD according to the criteria of the American Academy of Otolaryngology - Head and Neck Surgery (AAO-HNS) as revised in 2015, and resistant to first-line medical treatment. The main study endpoint was the incidence of postoperative vertigo episodes. Secondary endpoints comprised hearing preservation at 2years and surgical efficacy.
Results:
Thirty-eight patients were included. Significant vertigo control was achieved in 63% (n=24). No predictive factors were identified for vertigo control or improvement in quality of life. Pure-tone and speech audiometric results were preserved at 2years. Whether the endolymphatic sac was sectioned or not did not significantly impact surgical outcome.
Conclusion:
No predictive factors for successful ESS emerged. ESS is a conservative second-line surgical treatment, with key indications for bilateral MD or MD in patients with preserved hearing.
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