ArticleFrontiers in neurology2026
Wideband tympanometry as a noninvasive marker of intracranial pressure changes: a postural study in healthy adults.
Article in Frontiers in neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Reliable noninvasive assessment of intracranial pressure (ICP) remains an unmet clinical need. Wideband tympanometry (WBT), which reflects middle ear mechanics, may provide indirect information on ICP-related inner ear pressure changes. Objective: To determine whether postural ICP variations induce measurable changes in WBT parameters in healthy adults. Methods: In this prospective study, 21 healthy adults (42 ears) underwent repeated WBT measurements in standing, supine, and Trendelenburg (-17°) positions. Five measurements were performed per ear in each position. Parameters analyzed included peak pressure (PP), peak pressure difference ( Results: A total of 626 valid recordings were analyzed. PP and Conclusion: Postural changes associated with presumed ICP elevation induce measurable modifications in WBT signals, particularly PP and
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