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A Comparison of Surgical Treatments for Superior Semicircular Canal Dehiscence

A Systematic Review

Ziylan, Fuat; Kinaci, Ahmet; Beynon, Andy J.; Kunst, Henricus P. M.

doi: 10.1097/MAO.0000000000001277

Objective: We investigate the postoperative subjective and objective outcomes of different surgical treatments for superior semicircular canal dehiscence (SSCD): vestibular signs, auditory signs, vestibular evoked myogenic potential test, pure tone audiogram, speech audiogram, or video-nystagmography.

Data Sources: An electronic search performed in the PubMed, Cochrane Library, and EMBASE databases on 15th of September 2015. A systematic search was conducted. Articles were included if written in English, Dutch, German, or French language.

Study Selection: Original studies reporting on the pre and postoperative subjective and/or objective outcomes of surgical treatments for superior semicircular canal dehiscence were included.

Data Extraction: The methodological quality of the studies was independently assessed by two reviewers using a constructed critical appraisal, to assess the directness of evidence and the risk of bias. The results of the pre and postoperative subjective and/or objective outcomes were extracted.

Data Synthesis: Comparative study was conducted.

Conclusion: Surgical treatment for SSCD is particularly effective for vestibular symptoms and there is no evidence for improvement of hearing loss after surgical treatment. Since plugging using transmastoid approach had a lower complication rate, lower revision rate, and a shorter hospital stay, this treatment is recommended in high disabled SSCD patients.

*Department of Otorhinolaryngology and Head and Neck Surgery

Vestibular & Auditory Evoked Potential Lab, Donders Institute for Brain, Cognition & Behaviour, Centre for Neuroscience, Radboud University Medical Centre, Nijmegen, The Netherlands

Address correspondence and reprint requests to Henricus P. M. Kunst, M.D., Ph.D., Department of Otolaryngology–Head and Neck Surgery, University Medical Center, Philips van Leydenlaan 15, 6500 HB Nijmegen, the Netherlands; E-mail:

Financial Disclosure Information: None.

The authors disclose no conflicts of interest.

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