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Published on: October 13, 2017
Second-side surgery in superior canal dehiscence syndrome
Yuri Agrawal1, Lloyd B Minor, Michael C Schubert
1Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA.
Summary
Patients with bilateral superior canal dehiscence syndrome often seek surgery for vertigo and autophony. Despite potential oscillopsia, most patients are satisfied after bilateral plugging due to symptom relief.
Area of Science:
- Otolaryngology
- Neuroscience
- Vestibular Science
Background:
- Bilateral superior canal dehiscence syndrome (SCDS) presents a surgical challenge due to potential post-operative complications like oscillopsia.
- Understanding patient motivations for bilateral surgery and outcomes is crucial for managing this condition.
Observation:
- This study prospectively observed five patients undergoing bilateral sequential superior canal plugging for SCDS.
- Key outcome measures included cochleovestibular symptoms, vestibular-evoked myogenic potentials, and patient-reported outcomes.
Findings:
- Sound- and pressure-induced vertigo, along with autophony, were the primary symptoms driving patients to seek contralateral ear surgery.
- While two patients experienced persistent oscillopsia after bilateral plugging, all reported significant relief from their SCDS symptoms and expressed satisfaction with the procedure.
Implications:
- Symptom relief from vertigo and autophony often outweighs the risk of oscillopsia, making bilateral surgery a viable option for select SCDS patients.
- Further research should explore strategies to mitigate post-operative oscillopsia and optimize outcomes in bilateral SCDS management.
