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Related Experiment Videos

Evaluation of facial function with a questionnaire: reliability and validity.

Robert D Cullen1, John W House, Derald E Brackmann

  • 1House Clinic, Los Angeles, CA 90057, USA.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|June 8, 2007
PubMed
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A patient questionnaire accurately assesses long-term facial nerve function after vestibular schwannoma surgery. This method is both valid and reliable, simplifying post-operative evaluation.

Area of Science:

  • Neurosurgery
  • Facial Nerve Function Assessment
  • Vestibular Schwannoma Research

Background:

  • Vestibular schwannoma (VS) resection can impact facial nerve function.
  • Accurate, long-term assessment of facial nerve function is crucial for patient outcomes.
  • Current assessment methods may require in-person evaluations.

Purpose of the Study:

  • To determine the validity and reliability of a patient-administered questionnaire for assessing House-Brackmann facial nerve grade.
  • To evaluate the questionnaire's utility for long-term facial function monitoring after VS microsurgical resection.

Main Methods:

  • Thirty-four patients with VS, at least 1 year post-microsurgery, completed a facial function questionnaire.
  • Neurotologists and fellows blinded to questionnaire results rated facial nerve function.

Related Experiment Videos

  • Questionnaire ratings were compared to in-office evaluations for validity and interobserver reliability.

    • Main Results:

    • A strong, significant correlation (Spearman rho=0.94, p<0.01) was found between questionnaire and office-based facial nerve grading.
    • High interobserver reliability was demonstrated, with coefficients ranging from 0.93 to 0.99 (mean=0.97, p<0.01).
    • Reliability remained high even when patients with normal facial function (Grade I) were excluded (average=0.96).

    Conclusions:

    • Patient-administered questionnaires offer a valid and reliable method for assessing long-term facial function post-VS surgery.
    • This approach can potentially streamline follow-up care and patient monitoring.