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Glottic configuration after arytenoid adduction

G E Woodson1, T Murray

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Tennessee, Memphis, College of Medicine 38163.

The Laryngoscope
|August 1, 1994
PubMed
Summary
This summary is machine-generated.

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Arytenoid adduction surgery improved glottic competence in laryngeal paralysis patients. However, functional improvement was limited in chronic cases due to lack of vocal fold lengthening.

Area of Science:

  • Otolaryngology
  • Speech and Language Pathology

Background:

  • Laryngeal paralysis causes glottic alterations, including vocal fold shortening and posterior gaps.
  • Hyperfunction and hyperadduction are compensatory mechanisms used by patients.

Purpose of the Study:

  • To evaluate the effectiveness of arytenoid adduction surgery in addressing glottic alterations caused by laryngeal paralysis.
  • To correlate surgical outcomes with patient satisfaction and objective assessments.

Main Methods:

  • Videolaryngoscopy analysis before and after arytenoid adduction surgery in 11 patients.
  • Comparison of pre- and post-operative results with patient-reported symptoms, acoustic, and aerodynamic data.

Main Results:

  • All patients showed improvement in posterior gap and glottic competence post-surgery.

Related Experiment Videos

  • Symptomatic improvement was observed in 6 out of 11 patients.
  • Chronic paralysis (over 20 years) correlated with limited vocal fold lengthening and subjective vocal improvement.

    • Conclusions:

    • Arytenoid adduction is most effective for acute laryngeal paralysis.
    • Functional outcomes in chronic paralysis may be limited by soft-tissue contracture and failure to achieve vocal fold lengthening.