Consecuencias laringoscópicas, electroglotográficas, acústicas y sintomatológicas producidas por la sobrecarga vocal en mujeres con voces sanas y no entrenadas

IF 0.4 Q4 LINGUISTICS
Christopher Fuentes Aracena, Felipe Ahumada García, Carlos Arce Valiente, Jorge Arias Acevedo, Pablo Moya Cortés
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引用次数: 0

Abstract

Overload is one of the stages of vocal load continuum. Currently, its research is considered to allow a better understanding of the pathology and functional symptomatology of the voice. The objective of this work was to analyse the laryngoscopic, electroglotographic, acoustic and symptomatic consequences produced by vocal overload in women with healthy untrained voices. The acoustic, laryngoscopic, electroglotographic and symptomatological behaviour of 30 women was examined, who were subjected to a task of vocal overload consisting of the uninterrupted reading of a text for 60 minutes, whose intensity ranged between 75 and 85 dB. At the laryngoscopic level, greater vascularisation, increased supraglottic compression and changes in the amplitude, symmetry and mucosal wave were observed. At the acoustic level, a significant increase in the fundamental frequency and vocal intensity was evidenced. In the electroglottography (EGG), the closed quotient as well as the open and closed phases decreased significantly; while at the symptomatic level, the total sample experienced at least one symptom of vocal fatigue. In conclusion, findings observed are expressions of both fatigue on the thyroarytenoid mechanism and acute inflammation of the vocal fold cover.
超负荷是声乐负荷连续体的一个阶段。目前,它的研究被认为可以更好地了解声音的病理学和功能症状。这项工作的目的是分析声音超负荷对未经训练的健康女性产生的喉镜、电喉镜、声学和症状后果。对30名女性的声学、喉镜、电声门造影和症状行为进行了检查,她们接受了声音超负荷的任务,包括不间断地阅读文本60分钟,其强度在75至85分贝之间。在喉镜水平上,观察到更大的血管形成、声门上压迫增加以及振幅、对称性和粘膜波的变化。在声学水平上,基频和人声强度显著增加。在声门电图(EGG)中,闭商以及开、闭相均显著下降;而在症状水平上,总样本经历了至少一种声音疲劳症状。总之,观察到的结果是甲状腺腱机制上的疲劳和声带覆盖层的急性炎症的表达。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
0.80
自引率
33.30%
发文量
34
审稿时长
12 weeks
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