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  Contents > Previous page > Article detail print Order
o Issue N# 1 - 2013 o

PHONIATRICS

The sound intensity after cordectomy of type II-III


Authors : Wallet L. (Paris)

Ref. : Rev Laryngol Otol Rhinol. 2013;134,1:43-47.

Article published in french
Downloadable PDF document french



Summary : Objectives: The aim of this paper is to compare the intensity of the French oral vowels of 10 patients after cordectomies of types II or III with a group of 10 healthy subjects. This surgery removes the mucosa, the ligament and a part of the vocal muscle of the touched vocal fold, which causes a less efficient closure and a vibratory asymmetry. Conse­quently, glottal leaks associated with a difficult preservation of the subglottic pressure (PSG) can appear. The intensity is mainly bound to the strength of adduction of the vocal folds and to the management of the PSG. In these conditions, the quality of the control of this parameter by our patients may be altered. Methods: The intensity (in dB) was measured on three vowels [a, i, u] produced in an isolated context (n= 60). This para­meter was also measured on this same vowels surounded by stop consonants, which results in logatomes of type CV1.CV2.CVC3 (n= 360). Results: We show particularly that the surgery does not alter the parameter of the intensity. The differences between patients and control subjects for isolated productions result from compensatory strategies. We also highlight an increase of the intensity in voiced context for both groups. Conclusions: The patients treated by cordec­tomies of types II-III keep a powerful sound. The intrinsic characteristics of the intensity of the vowels are maintained after this surgery.

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