Factors Associated With Bilateral Involvement in Non-Infectious Labyrinthitis: A Case-Control Study

Non-infectious labyrinthitis (NIL) is an inflammatory disorder of the inner ear characterized by cochlear and vestibular symptoms associated with impairment of the blood-labyrinth barrier on delayed FLAIR MRI. Although the condition may initially present unilaterally, some patients subsequently develop bilateral disease, which can lead to greater functional disability....

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Findings from this case-control study may help identify which non-infectious labyrinthitis patients are at higher risk for bilateral involvement, but clinical practice changes should await replication in larger prospective studies.

Understanding why non-infectious labyrinthitis becomes bilateral could guide earlier monitoring and intervention to protect hearing and balance in both ears.

1. 01Case-control design compared patients with unilateral vs. bilateral non-infectious labyrinthitis.
2. 02Non-infectious labyrinthitis affects the inner ear via blood-labyrinth barrier impairment, disrupting hearing and balance.
3. 03Study identifies factors associated with bilateral progression, which is rarer and potentially more disabling.
4. 04Published in Laryngoscope (2026), a peer-reviewed otolaryngology journal.
5. 05Results could inform risk stratification in clinical assessment of inner-ear inflammatory disease.

PMID

42717386

DOI

10.1002/lary.70913.

Journal

Laryngoscope

Publication type

research_article

Evidence level

3

Population

Patients diagnosed with non-infectious labyrinthitis, compared by unilateral vs. bilateral ear involvement

Intervention

Identification of factors associated with bilateral inner-ear involvement in non-infectious labyrinthitis

Comparator

Patients with unilateral non-infectious labyrinthitis