Abstract
Background
Vocal cord paralysis is a rare cause of obstructive sleep apnea syndrome (OSAS). Recurrent laryngeal nerve injury after thyroid gland surgery is one of the leading causes of acquired vocal cord paralysis.
Report
A 46-year-old woman with OSAS due to bilateral abductor vocal cord paralysis was presented. She had thyroidectomy 30 years ago and had a weak, breathy voice. She had been referred with a history of high-pitched snoring, apnea witnessed by her spouse, and excessive daytime sleepiness for the last 5 years. Full-night polysomnography revealed that her apnea–hypopnea index was 72/h and minimal oxygen saturation level was 81%. There was no REM and deep sleep periods. Ear–nose–throat consultation offered an endoscopic bilateral posterior cordotomy operation via microscopic suspension laryngoscopy (MLS) as a treatment option.
Conclusions
Instead of using a nasal positive airway pressure (nCPAP) device, she was treated surgically. Her OSAS resolved completely within 5 months of the surgery. Her phonation was preserved, and symptoms such as snoring and hypersomnolance disappeared. In OSAS patients with bilateral vocal cord paralysis, MLS-associated bilateral posterior cordotomy can be a choice of treatment as an alternative to nCPAP application.
Abbreviations
- OSAS:
-
Obstructive sleep apnea syndrome
- PSG:
-
Polysomnography
- AHI:
-
Apnea–hypopnea index
- MLS:
-
Microscopic suspension laryngoscopy
- REM:
-
Rapid eye movements
- nCPAP:
-
Nasal continuous positive airway pressure
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The authors declare that they have no conflict of interest.
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We plan to make a poster presentation of the case at a national congress about respiratory diseases. It is not yet determined.
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Sarıman, N., Koca, Ö., Boyacı, Z. et al. Microscopic bilateral posterior cordotomy in severe obstructive sleep apnea syndrome with bilateral vocal cord paralysis. Sleep Breath 16, 17–22 (2012). https://doi.org/10.1007/s11325-010-0458-9
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DOI: https://doi.org/10.1007/s11325-010-0458-9