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Head-shaking-induced nystagmus reflects dynamic vestibular compensation: A 2-year follow-up study

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378041%3A_____%2F22%3A00568786" target="_blank" >RIV/68378041:_____/22:00568786 - isvavai.cz</a>

  • Alternative codes found

    RIV/00064173:_____/22:43924073 RIV/00216208:11120/22:43924073 RIV/00216208:11150/22:10448889 RIV/00179906:_____/22:10448889

  • Result on the web

    <a href="https://www.frontiersin.org/articles/10.3389/fneur.2022.949696/full" target="_blank" >https://www.frontiersin.org/articles/10.3389/fneur.2022.949696/full</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3389/fneur.2022.949696" target="_blank" >10.3389/fneur.2022.949696</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Head-shaking-induced nystagmus reflects dynamic vestibular compensation: A 2-year follow-up study

  • Original language description

    PurposeWe aimed to assess the ability of a head-shaking test (HST) to reflect vestibular compensation in patients after unilateral peripheral vestibular loss and to provide missing evidence and new insights into the features of head-shaking-induced nystagmus (HSN) over a 2-year follow-up. BackgroundHSN may occur after a prolonged sinusoidal oscillation of the head. HSN is frequently observed in subjects with vestibular function asymmetry, it usually beats toward the functionally intact or stronger ear and can be followed by a reversal of its direction. Study designA prospective observational case-control study. SettingsA tertiary academic referral center. MethodsA total of 38 patients after acute unilateral vestibular loss (22 patients with vestibular neuronitis and 16 patients after vestibular neurectomy) and 28 healthy controls were followed for four consecutive visits over a 2-year period. A complex vestibular assessment was performed on all participants, which included spontaneous nystagmus (SPN), the caloric test, the head-shaking test (HST), the video head impulse test (vHIT), the Timed Up and Go (TUG) test, and the Dizziness Handicap Inventory (DHI) questionnaire. We established the criteria for the poorly compensated group to assess different compensatory behaviors and results. ResultsWe found a time-related decrease in HSN (rho < -0.84, p < 0.001) after unilateral vestibular loss. After 2 years of follow-up, HSN intensity in compensated patients reached the level of the control group, TUG and DHI also improved to normal, however, the caloric and vHIT tests remained abnormal throughout all follow-ups, indicating a chronic vestibular deficit. Besides, poorly compensated patients had a well-detectable HSN throughout all follow-ups, TUG remained abnormal, and DHI showed at least a moderate deficit. ConclusionsOur study showed that, after a unilateral peripheral vestibular loss, the intensity of HSN decreased exponentially over time, reflecting an improvement in dynamic ability and self-perceived deficit. HSN tended to decline to the value of the control group once vestibular compensation was satisfactory and sufficient for a patient's everyday life. In contrast, well-detectable HSN in poorly compensated patients with insufficient clinical recovery confirmed the potential of HSN to reflect and distinguish between adequate and insufficient dynamic compensation. HSN could serve as an objective indicator of stable unilateral vestibular loss.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30206 - Otorhinolaryngology

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Frontiers in Neurology

  • ISSN

    1664-2295

  • e-ISSN

    1664-2295

  • Volume of the periodical

    13

  • Issue of the periodical within the volume

    sep.

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    11

  • Pages from-to

    949696

  • UT code for WoS article

    000870032600001

  • EID of the result in the Scopus database

    2-s2.0-85139905712