Neurovascular conflict and sudden unilateral sensorineural hearing loss: coincidence or coexistence?

Tzahi Yamin, Yahav Oron, Ophir Handzel, Rani Abu Eta, Nidal Muhanna, Omer J. Ungar*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Objective: To study the association between neurovascular conflict (NVC) of the 8th cranial nerve (CN8) and unilateral sudden sensorineural hearing loss SSNHL (SSNHL). Methods: A systematic literature search of “MEDLINE” via “PubMed,” “Embase,” and “Google-Scholar” was conducted. Meta-analysis of pooled data was performed for NVC prevalence of SSNHL affected ears versus controls. Results: The literature search identified 941 publications, of which, 9 included in qualitative synthesis (1030 ears) and 5 in quantitative synthesis (484 ears). NVC was as prevalent as 0.8–69% for affected ears and as 19–57% for controlled ears. No association between MRI protocol and NVC prevalence was proved. An odds ratio of 1.05 (95% confidence interval = 0.79–1.39) was calculated for association of NVC in unilateral SSNHL ears versus controls. Conclusion: The prevalence of NVC of CN8 in unilateral SSNHL affected ears is not significantly bigger than controls. Hence, NVC of CN8 is probably NOT associated with unilateral SSNHL. Level of evidence: 1.

Original languageEnglish
Pages (from-to)3635-3641
Number of pages7
JournalEuropean Archives of Oto-Rhino-Laryngology
Volume280
Issue number8
DOIs
StatePublished - Aug 2023

Keywords

  • Neurovascular conflict
  • Sudden deafness
  • Sudden sensorineural hearing loss

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