A pilot study about speech changes after partial Tucker's laryngectomy: the reduction of regressive voicing assimilation.

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A pilot study about speech changes after partial Tucker's laryngectomy: the reduction of regressive voicing assimilation.

Eur Arch Otorhinolaryngol. 2015 Dec;272(12):3843-9

Authors: Galant C, Lagier A, Vercasson C, Santini L, Dessi P, Giovanni A, Fakhry N

Abstract
Partial frontolateral laryngectomy (PL) is performed to remove larynx tumor while preserving its main functions. So far, the speech changes induced by difficulties of voicing and the alterations to the vocal tract due to PL have been seldom addressed. The goal of our study was to make an acoustic analysis of regressive voicing assimilation (RVA) among patients after PL and to study the relationship with rates of speech. A retrospective study was conducted from January to April 2013. 11 subjects treated by partial frontolateral laryngectomy, and ten healthy subjects were included. Functional recordings of voice were analyzed and compared. For assimilation sequences we found a significant modification of voicing ratio in healthy subjects (p < 0.05) and PL patient at accelerated speaking rate only (p < 0.05). The vowel duration is significantly modified only for healthy subjects. For all subjects (PL patients and healthy) the duration of C1 consonant was not significantly modified. Our results highlight the presence of RVA in healthy subjects, but also in PL patients in the rapid speaking mode.

PMID: 26156226 [PubMed - indexed for MEDLINE]

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