Furman, J M · Reviews of infectious diseases · 1991 · DOI
Many people with ME/CFS experience dizziness and balance problems, but doctors don't fully understand why. This study looked at whether problems with the inner ear (the system that helps control balance) might explain these symptoms. The researchers tested the vestibular system—which controls balance and eye movement—using specialized equipment to see if people with ME/CFS had measurable abnormalities in how this system works.
Balance problems are common but poorly understood in ME/CFS, and identifying objective biological abnormalities could help validate symptoms and improve diagnosis. If vestibular dysfunction is confirmed as a consistent feature of ME/CFS, it could lead to targeted treatments and help distinguish ME/CFS from other conditions causing similar symptoms.
This preliminary study does not prove that vestibular dysfunction causes ME/CFS or that it occurs in all patients with the condition. The small sample size and preliminary nature of the findings mean results cannot be generalized to the broader ME/CFS population, and the study does not establish causation between infection and vestibular problems in CFS.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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