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[Study of vocal function following partial laryngectomy with computer analysis system]

A Xu1, T Wang

  • 1Affiliated Hospital of Shandong Medical University, Jinan.

Zhonghua Er Bi Yan Hou Ke Za Zhi
|January 1, 1994
PubMed
Summary
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Vocal function after partial laryngectomy varies. Patients with new vocal cords or supraglottic hemilaryngectomy show near-normal function, while others have poor results using the HGF-1 system.

Area of Science:

  • Laryngology
  • Speech Science
  • Medical Acoustics

Context:

  • Partial laryngectomy significantly impacts vocal function.
  • Objective assessment of post-surgical voice quality is crucial.
  • Evaluating diverse surgical reconstruction methods is necessary.

Purpose:

  • To assess vocal function in 28 partial laryngectomy patients.
  • To evaluate the efficacy of the HGF-1 personal computer system for vocal analysis.
  • To correlate surgical techniques with vocal outcomes.

Summary:

  • The HGF-1 system, utilizing spectrogram analysis (correlogram and sonogram), evaluated 28 patients post-partial laryngectomy.
  • Vocal function varied significantly based on phonetic position and surgical reconstruction.

Related Experiment Videos

  • Patients with new vocal cords or supraglottic hemilaryngectomy demonstrated near-normal vocal function.
  • Supraglottic construction and speaking shunt resulted in poor vocal function.
  • The HGF-1 system proved to be an objective and quantitative tool for vocal function studies.

    • Impact:

    • Provides objective data for vocal function assessment post-laryngectomy.
    • Highlights the importance of surgical technique in voice preservation.
    • Offers a quantitative method to evaluate speech rehabilitation outcomes.
    • Informs clinical decision-making for laryngectomy patients.