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Postoperative vestibular dysfunction following head and neck surgery.

J T Johnson, C Wall, S A Barney

    Acta Oto-Laryngologica
    |September 1, 1985
    PubMed
    Summary
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    Major head and neck cancer surgery significantly impacts vestibular function, with over half of patients experiencing abnormal vestibulo-ocular response (VOR) post-operation. Many patients show persistent vestibular abnormalities one year after surgery.

    Area of Science:

    • Otolaryngology
    • Neurosurgery
    • Vestibular Neuroscience

    Background:

    • Vestibulo-ocular response (VOR) is crucial for maintaining gaze stability during head movements.
    • Major head and neck surgeries can potentially affect vestibular function, but data on VOR changes is limited.

    Purpose of the Study:

    • To assess the impact of major oncologic head and neck surgery on vestibulo-ocular response (VOR).
    • To determine the incidence and duration of VOR abnormalities following this type of surgery.

    Main Methods:

    • Preoperative and postoperative audiometry and rotational testing for VOR were performed on patients undergoing major head and neck oncologic surgery.
    • Patients with normal preoperative VOR were retested postoperatively and followed for up to one year if abnormalities were detected.

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    Main Results:

    • 58% of patients exhibited significant VOR abnormalities upon first postoperative testing.
    • No correlation was found between VOR abnormalities and anesthesia duration, drug use, or physiological abnormalities.
    • 43% of patients still demonstrated vestibular abnormalities at the one-year follow-up.

    Conclusions:

    • Major head and neck oncologic surgery frequently leads to temporary or persistent vestibulo-ocular response (VOR) deficits.
    • These findings highlight the importance of monitoring vestibular function in patients undergoing such surgeries.
    • Understanding VOR changes is critical for managing patients and considering interventions like endolymphatic surgery.