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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
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.
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.
- 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.