Tjell, Carsten, Iglebekk, Wenche, Borenstein, Peter · Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2019 · DOI
This study looked at patients with a condition called chronic BPPV (a type of inner ear problem that causes dizziness), many of whom had experienced head or neck trauma. The researchers found that treating this inner ear condition improved symptoms in about 90% of patients. Interestingly, the patients' symptoms overlapped with ME/CFS, migraine, and whiplash-related disorders, raising the question of whether the inner ear problem might be triggering or contributing to these conditions.
This study suggests that some ME/CFS symptoms may originate from or be exacerbated by inner ear dysfunction (CVMCC), which is potentially treatable with specific maneuvers. If CVMCC contributes to ME/CFS symptomatology, identifying and treating this underlying condition could provide relief for a subset of patients. Understanding overlapping mechanisms between vestibular, neurological, and post-traumatic conditions may help refine ME/CFS subtyping and treatment approaches.
This study does not prove that CVMCC causes ME/CFS, only that the two frequently co-occur in this patient population. The retrospective, single-center design with post hoc diagnosis assignment cannot establish causality or generalize findings to all ME/CFS patients. It does not demonstrate whether treating CVMCC resolves ME/CFS symptoms or whether the high diagnostic overlap reflects true pathophysiological connections versus shared symptom profiles.
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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