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[Glottic immobility: retrospective study of 229 cases]
1Servicio ORL, Hospital de la Santa Creu I Sant Pau, Avda. San Antoni M. Claret, 167, 08025 Barcelona.
Acta Otorrinolaringologica Espanola
|November 6, 2001
Summary
Vocal fold immobility, often caused by surgery or intubation, affects over 200 patients. Unilateral cases frequently compensated, while bilateral cases often required tracheostomy or surgical intervention for recovery.
Area of Science:
- Otolaryngology
- Neurology
- Surgery
Context:
- Retrospective analysis of 229 vocal fold immobility cases (1985-1998).
- Examined etiologies and clinical outcomes for unilateral and bilateral immobility.
- Identified key causes including thyroid surgery, intubation, and idiopathic factors.
Purpose:
- To analyze the prevalence and causes of vocal fold immobility.
- To evaluate clinical compensation and treatment outcomes.
- To understand the long-term management of vocal fold immobility.
Summary:
- Bilateral immobility occurred in 25% of cases, unilateral right in 26%, and unilateral left in 49%.
- Common causes varied: thyroid surgery and intubation for bilateral; idiopathic and surgery for unilateral.
- High compensation rates (over 85%) seen in unilateral cases from idiopathic or nerve-related causes.
Impact:
- Over 85% of unilateral immobility cases achieved clinical compensation under specific etiologies.
- 52% of bilateral immobility patients recovered adequate ventilation post-surgery, while 34% required permanent tracheostomy.
- Findings inform management strategies for vocal fold immobility based on etiology and laterality.