The Relationship Between the Glottic Configuration After Frontolateral Laryngectomy and the Acoustic Voice Analysis

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2010-07-01
Autores
Pfuetzenreiter, Elio G.
Dedivitis, Rogerio A. [UNIFESP]
Queija, Debora S.
Bohn, Nataniele P.
Barros, Ana Paula B.
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The relative measurement of the anterior commissure synechia (S) is a crucial factor worsening voice quality and the perceptual analysis score has a strong correlation to the synechia's impact. the aim of this study is to correlate the laryngeal configuration regarding the anterior commissure synechia and its relationship with the acoustic vocal parameters. Fifteen male patients underwent frontolateral partial vertical laryngectomy and reconstruction with bipedicle sternohyoid muscle flap for the treatment of T1b/T2 glottic cancer. the patients were free of disease, and the evaluation was performed after a minimum postoperative period of 12 months. Measurements of the anterior commissure synechia and the free border of both the preserved and the reconstructed vocal folds were simultaneously performed with the acoustic analysis of the voice. We calculated the mathematical proportion between the midsagital dimension of the synechia of the anterior commissure and the measurement of the free border of the intermembranous region of each vocal fold the preserved one and that reconstructed with the bipedicle sternohyoid muscle flap. the acoustic evaluation showed an important increase in the fundamental frequency, and the values of all parameters were changed regardless of the anterior commissure synechia findings. These results suggest that the acoustic voice parameters are always changed because of the aperiodic pattern regardless of the anterior commissure synechia findings.
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Journal of Voice. New York: Mosby-Elsevier, v. 24, n. 4, p. 499-502, 2010.