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首页> 外文期刊>The Laryngoscope: A Medical Journal for Clinical and Research Contributions in Otolaryngology, Head and Neck Medicine and Surgery, Facial Plastic and Reconstructive Surgery .. >Surgical improvement of hypotonicity in tracheoesophageal speech.
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Surgical improvement of hypotonicity in tracheoesophageal speech.

机译：气管食管语言低渗性的手术改善。

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摘要

Over the last 25 years, tracheoesophageal speech has become the method of choice for restoring oral communication after total laryngectomy. The application of voice prostheses results in high success rates, both with respect to percentage of long-term users and voice quality.2 Irrespective of the type of voice prosthesis used, for the acquisition of fluent speech, optimal tonicity of the pharyngo-esophageal (PE) segment, or neoglottis, plays a decisive role. Although there is no clear definition of what optimal tonicity means in quantitative terms, in qualitative terms, there are some useful descriptions based on videofluoros-copy imaging. A "normotonic" or slightly hypertonic neoglottis correlates best with a "good" voice, whereas both hypertonicity and hypotonicity significantly more often lead to a "poor" voice. In case of hypertonicity, characterized by a strained voice with a short phonation time, several good preventative and therapeutic options are available. During primary surgery, a short myotomy of the cricopharyngeus muscle or upper esophageal sphincter can prevent the development of hypertonicity to a great extent5 and also other surgical options, like non- or half-closure of the constrictor pharyngeus muscles or unilateral neurectomy of the pharyngeal plexus have been described (for a recent review, see ).
机译：在过去的25年中，气管食管语音已经成为喉全切术后恢复口头交流的首选方法。语音假体的应用在长期使用者的百分比和语音质量方面都取得了很高的成功率。2不论使用哪种语音假体，获得流畅的语音，咽食管的最佳张度（ PE）段或声门起决定性作用。尽管没有明确定义最佳张力在定量上的含义，但在定性方面，有一些基于视频荧光复制成像的有用描述。 “降神经性”或轻度高渗性新声门与“良好”声音最相关，而高渗性和低渗性则更常导致“较差”的声音。在高渗性的情况下，其特征是声音发声短，发声时间短，因此有几种良好的预防和治疗选择。在初次手术中，短暂的环咽肌或食管上括约肌肌切开术可在很大程度上防止高渗性的发展5，以及其他手术选择，例如不闭合或半封闭咽肌狭窄或咽神经丛单侧神经切除术已进行了描述（有关最近的评论，请参见）。

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