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Learning Modern Laryngeal Surgery in a Dissection Laboratory
Published on: March 18, 2020
[Vocal sound study in supracricoid partial laryngectomy].
Wei Shen1, Shankai Ying, Shijun Qian
1Department of Otolaryngology-Head and Neck Surgery, The Putuo Hospital of Shanghai University of Chinese Medicine,Shanghai, 200062, China. vweishen@sh163.net
Lin Chuang Er Bi Yan Hou Ke Za Zhi = Journal of Clinical Otorhinolaryngology
|October 14, 2006
Summary
Supracricoid partial laryngectomy, a surgical procedure, can restore vocal function. Preserving laryngeal structures during this surgery aids in vocal sound restoration and stabilization over time.
Area of Science:
- Otolaryngology
- Speech-Language Pathology
Context:
- Supracricoid partial laryngectomy is a surgical technique for laryngeal cancer.
- Vocal function assessment is crucial post-laryngectomy.
Purpose:
- To evaluate vocal sound characteristics after supracricoid partial laryngectomy.
- To analyze the impact of different surgical approaches on vocal quality.
Summary:
- Vocal sound analysis was performed on 21 patients before and after supracricoid partial laryngectomy using four distinct surgical methods (CHEP, CHP, TCHEP, TCHP).
- Frequency spectrum analysis revealed similar vibration patterns in the neoglottis across all four approaches, indicating enhanced mucous membrane fluctuation.
- Observed vibration patterns demonstrated gradual improvement and stabilization over time post-surgery.
Impact:
- Findings suggest that preserving laryngeal structures, specifically on one or both sides, during supracricoid partial laryngectomy is beneficial for vocal function restoration.
- The study highlights the potential for improved vocal outcomes with specific surgical techniques in partial laryngectomy.
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