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Voice prognosis after liquid and solid silicone injection.

T Tsuzuki1, H Fukuda, T Fujioka

  • 1Department of Otolaryngology, Meikai University School of Dentistry, Saitama, Japan.

American Journal of Otolaryngology
|May 1, 1991
PubMed
Summary
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Silicone injections improve voice in unilateral recurrent laryngeal nerve paralysis. Liquid silicone offers temporary improvement, while solid silicone provides long-term vocal fold paralysis management.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Speech Pathology

Background:

  • Unilateral recurrent laryngeal nerve paralysis can significantly impair voice quality.
  • Effective management strategies are crucial for patients with vocal fold paralysis.

Purpose of the Study:

  • To evaluate the voice prognosis and effectiveness of silicone injections for unilateral recurrent laryngeal nerve paralysis.
  • To compare the outcomes of liquid versus solid silicone implants in voice restoration.

Main Methods:

  • Retrospective study of 51 patients with unilateral recurrent laryngeal nerve paralysis.
  • Patients were divided into three groups: no injection, liquid silicone implant, and solid silicone implant.
  • Voice outcomes were assessed following silicone injection procedures.

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Main Results:

  • Both liquid and solid silicone implants were well-tolerated and improved voice.
  • Liquid silicone implants showed temporary effectiveness due to absorption.
  • Solid silicone implants demonstrated long-term efficacy in cases with no expected recovery.

Conclusions:

  • Silicone injections are effective for improving voice in unilateral recurrent laryngeal nerve paralysis.
  • Liquid silicone is suitable for temporary voice improvement when prognosis is uncertain.
  • Solid silicone provides a durable solution for long-term voice restoration in irreversible paralysis.