DYNAMIC REHABILITATION OF THE PARALYZED FACE .3. BALANCED COUPLING OF ORAL AND OCULAR MUSCULATURE FROM THE INTACT SIDE IN THE CANINE

被引:17
作者
BRONIATOWSKI, M
GRUNDFESTBRONIATOWSKI, S
DAVIES, CR
JACOBS, GB
TUCKER, HM
NOSE, Y
机构
[1] CLEVELAND CLIN EDUC FDN,DEPT ARTIFICIAL ORGANS RES,CLEVELAND,OH 44106
[2] ST VINCENT CHAR HOSP & HLTH CTR,DEPT OTOLARYNGOL HEAD & NECK SURG,CLEVELAND,OH
[3] CLEVELAND CLIN EDUC FDN,DEPT OTOLARYNGOL & COMMUN DISORDERS,CLEVELAND,OH 44106
[4] BAYLOR COLL MED,DEPT SURG,HOUSTON,TX 77030
[5] CLEVELAND CLIN EDUC FDN,DEPT GEN SURG,CLEVELAND,OH 44106
[6] CASE WESTERN RESERVE UNIV,DEPT OTOLARYNGOL HEAD & NECK SURG,CLEVELAND,OH 44106
关键词
D O I
10.1177/019459989110500516
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 [耳鼻咽喉科学];
摘要
We have recently demonstrated the feasibility of artificial agonist/antagonist coupling between intact facial and reinnervated strap muscles in the rabbit. The present study broadens this principle to involve bi-level cross-facial innervation. After severing the facial innervation unilaterally in four dogs, a nerve pedicle from a cervical motor nerve was implanted into the orbicularis oris and from the deep temporal nerve into the orbicularis oculi. After neurotization (5.6 months), the pedicles were electrically stimulated to verify muscular response. Graded contraction on the intact side was induced by stimulating the ipsilateral racial nerve with currents of various pulse widths. The resulting compression of a strain gauge on the intact face triggered a two-channel, opto-isolated, pulse width-modulated stimulator to produce agonistic graded contraction at one level of the reinnervated side (e.g., oral) and reciprocal relaxation in its reinnervated counterpart (e.g., ocular). The sophistication of the present model-as compared to the original pilot study-brings us one step closer to dynamic human facial rehabilitation.
引用
收藏
页码:727 / 733
页数:7
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