JOURNAL OF SHANDONG UNIVERSITY (OTOLARYNGOLOGY AND OPHTHALMOLOGY)

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Objective acoustic analysis of the voice in early glottic laryngeal carcinoma following laser surgery

ZHU Zhao-feng, WANG Yue-jian, LIANG Yu-yan, CHEN Wei-xiong， CHEN Rui-kai   

  1. Department of Otolaryngology & Head and Neck Surgery, Foshan First People′s Hospital,Foshan 528000, Guangdong, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-08-24 Published:2007-08-24
  • Contact: ZHU Zhao-feng

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Abstract: Objective: To explore voice restoration of patients with glottic laryngeal carcinoma after laser surgery. Method: A computer vocal acoustics test system (Dr.speech for Windows) was used to determine the voice quality of 66 patients with glottic laryngeal carcinoma. Results: The value of jtter was not changed a lot, but the value of shimmer NNE was decreased at 3 months after surgery and the voice quality was significantly improved at 6 months after surgery and then in a steady state for typeⅡcompared with those for other types(P＜0.01). Voice quality was improved in type Ⅲ at 6 months after surgery compared with that in types Ⅳ and Ⅴ (P＜0.05) and it was not improved in types Ⅳ and Ⅴ at 1 year after surgery. Conclusion: Recovery time and quality are different in different types of laser surgery. The surgical range is closely related to the recovery of laryngeal structure and voice function.

Key words: Laryngeal neoplasm, Laser surgery, Laryngectomy, Vocal acoustics analysis

CLC Number: 

  • R739.6
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