Effect of chronic electrical stimulation of laryngeal muscle on voice
Effect of chronic electrical stimulation of laryngeal muscle on voice
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DOI：
10.1177/000348940211100408
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发表时间：
2002-04-01
影响因子：
1.4
通讯作者：
Netterville, JL
中科院分区：
文献类型：
--
作者：
Billante, CR;Zealear, DL;Netterville, JL
传统的双侧喉麻痹手术治疗牺牲声音，以扩大气道。电起搏环杓后肌（PCA），以恢复声门开放，并允许通气提供了一种新的治疗方法。本研究的目的是确定是否长期刺激PCA肌肉改变声音的感知，声学和空气动力学参数。2例患者植入Medtronic Itrel II喉部起搏器。术前和术后每月一次起搏器关闭时进行语音评估。数月的PCA刺激并没有改变声音质量的感知描述符。基频和强度，动态频率和强度范围的上限和下限，以及发声流速的措施在很大程度上是不变的。结果表明喉起搏对嗓音无影响。
Conventional surgical therapies for bilateral laryngeal paralysis sacrifice voice to enlarge the airway. Electrical pacing of the posterior cricoarytenoid (PCA) muscle to restore glottal opening and allow ventilation offers a new treatment approach. The purpose of this investigation was to determine whether long-term stimulation of the PCA muscle altered perceptual, acoustic, and aerodynamic parameters of voice. Two patients underwent implantation of a Medtronic Itrel II laryngeal pacemaker. Voice evaluation was performed before surgery and at monthly postoperative sessions with the pacemaker off. Months of PCA stimulation did not change perceptual descriptors of voice quality. Measures of fundamental frequency and intensity, upper and lower limits of the dynamic frequency and intensity range, and phonatory flow rates were largely unaltered. The results indicated that there was no effect of laryngeal pacing on voice.