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Related Experiment Videos

Midline lateralization thyroplasty for adductor spasmodic dysphonia.

N Isshiki1, D H Tsuji, Y Yamamoto

  • 1Isshiki Voice Laboratory, Kyoto, Japan.

The Annals of Otology, Rhinology, and Laryngology
|February 24, 2000
PubMed
Summary

Midline type II thyroplasty successfully treated a patient with adductor spasmodic dysphonia. This surgical technique restored normal voice function, showing promise for treating this voice disorder.

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Area of Science:

  • Otolaryngology
  • Speech Pathology
  • Surgical Innovation

Background:

  • Adductor spasmodic dysphonia (ADSD) is a neurological voice disorder characterized by involuntary vocal fold adduction.
  • Current treatments for ADSD have limitations, necessitating exploration of novel surgical approaches.

Observation:

  • A novel midline type II thyroplasty technique was employed in a patient diagnosed with adductor spasmodic dysphonia.
  • The surgical procedure involved thyroid cartilage incision, anterior commissure widening via perforation, and closure with a composite graft.
  • Silicone wedges maintained cartilage separation, and sternohyoid muscle rotation addressed potential leaks.

Findings:

  • The patient experienced an uneventful postoperative recovery.
  • Voice function was restored to normal levels following the intervention.

Related Experiment Videos

  • No recurrence of spasmodic dysphonia symptoms was observed at 1 year and 5 months post-surgery.

    • Implications:

    • Midline type II thyroplasty presents a potentially effective surgical treatment option for adductor spasmodic dysphonia.
    • This case suggests the technique's efficacy in restoring voice quality and alleviating ADSD symptoms.
    • Further long-term follow-up studies are warranted to validate these promising initial findings.