Obert P M, Young K A, Tobey D N
Arch Otolaryngol. 1984 Feb;110(2):88-92. doi: 10.1001/archotol.1984.00800280022007.
There are several methods used to restore impaired respiratory and phonatory function to the paralyzed larynx; but none are satisfactory. After we critically reviewed all available methods, we proposed a technique to rehabilitate the bilaterally paralyzed larynx, using selective stimulation of the posterior cricoarytenoid (PCA) muscle. This technique has the following advantages over existing methods: (1) preservation of phonation, (2) less chance of aspiration than with arytenoidectomy, and (3) reversibility. Adaptation of existing biomedical technology used in conjunction with any of several methods of triggering with respiration would make this a practical method. After insertion of electrodes into the PCA muscle of anesthetized animal subjects, selective electrical stimulation of this muscle was successfully accomplished. A significant reproducible increase in glottic area was demonstrated. Applicability to those suffering from bilateral laryngeal denervation seems feasible and functionally superior to existing methods of rehabilitation.
有几种方法可用于恢复麻痹喉部受损的呼吸和发声功能，但均不尽人意。在我们严格审查了所有可用方法后，我们提出了一种通过选择性刺激环杓后肌（PCA）来修复双侧麻痹喉部的技术。与现有方法相比，该技术具有以下优点：（1）保留发声功能；（2）与杓状软骨切除术相比，误吸的可能性更小；（3）具有可逆性。将现有的生物医学技术与几种呼吸触发方法中的任何一种结合使用，将使这成为一种实用的方法。在将电极插入麻醉动物受试者的PCA肌肉后，成功实现了对该肌肉的选择性电刺激。声门面积出现了显著且可重复的增加。对双侧喉神经去支配患者的适用性似乎是可行的，并且在功能上优于现有的康复方法。
