Experimental Studies on the Reinnervation of Posterior Cricoarytenoid Muscle by the Upper Branch of Phrenic Nerve

吴皓; 李兆基; 萧轼之; 周水淼; 罗申

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Experimental Studies on the Reinnervation of Posterior Cricoarytenoid Muscle by the Upper Branch of Phrenic Nerve

Updated：2026-03-12

- Experimental Studies on the Reinnervation of Posterior Cricoarytenoid Muscle by the Upper Branch of Phrenic Nerve
- Experimental Studies on the Reinnervation of Posterior Cricoarytenoid Muscle by the Upper Branch of Phrenic Nerve
- 解放军医学杂志（英文版） 1990年第2期页码：95-100
- Affiliations：
  
  1. Department of Otolaryngology Changhai Hospital
  2. Second Military Medical University
  3. ,Shanghai,200433
  4. Department of Neurology
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：1990
- Accepted：
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Experimental Studies on the Reinnervation of Posterior Cricoarytenoid Muscle by the Upper Branch of Phrenic Nerve[J]. 解放军医学杂志（英文版）, 1990,(2):95-100.

[1]吴皓,李兆基,萧轼之,周水淼,罗申.Experimental Studies on the Reinnervation of Posterior Cricoarytenoid Muscle by the Upper Branch of Phrenic Nerve[J].Journal of Medical Colleges of PLA,1990(02):95-100+199.
Experimental Studies on the Reinnervation of Posterior Cricoarytenoid Muscle by the Upper Branch of Phrenic Nerve[J]. 解放军医学杂志（英文版）, 1990,(2):95-100. DOI：

[1]吴皓,李兆基,萧轼之,周水淼,罗申.Experimental Studies on the Reinnervation of Posterior Cricoarytenoid Muscle by the Upper Branch of Phrenic Nerve[J].Journal of Medical Colleges of PLA,1990(02):95-100+199. DOI：

摘要

Abstract

<正> The purpose of this work was to reestablish the respiratory abduction of theparalyzed vocal cord through reinnervation of the posterior cricoarytenoid（PCA）mus-cle by part of phrenic fibres.In fifteen adult cats the adductor branch of the recurrentlaryngeal nerve（RLN）of the right side was cut and its distal end ligated

while the pro -ximal end was implanted into the PCA muscle belly.The whole RLN was then transectedin the tracheoesophageal groove and its distal stump anastomosed to the upper branchof the phrenic nerve.Various techniques for observation were used on day 40

80 and 150after operation.Direct laryngoscopy showed that the inspiratory abduction of the para-lyzed vocal cord recovered within 40 d in all cats.Eighty days later

a larger abducentmotion of the glottis was observed on the reinnervated side.Abduction was caused byreinnervation of the PCA muscle from phrenic motoneurons

as demonstrated by laryn-geal electromyogram

and the function of diaphragm maintained as revealed by monito-ring of the intrathoracic pressure.

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