The Journal of craniofacial surgery · 2021
End-to-Trunk Masseteric to Facial Nerve Transfer With Selective Neurectomy for Facial Reanimation.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Leader Brittany, Griffin Garrett R, Larian Babak, Massry Guy, Nabili Vishad, Slattery William, Azizzadeh Babak
Аннотация
OBJECTIVE: To examine functional outcomes following end-to-trunk masseteric to facial nerve transfer in patients with chronic flaccid facial paralysis.
DESIGN: Retrospective chart review.
SETTING: Tertiary-care private practice setting.
PARTICIPANTS: Patients with complete unilateral facial paralysis of less than 24 months duration.
INTERVENTIONS: Direct end-to-trunk masseteric to facial nerve anastomosis.
OUTCOME MEASURES: Outcome measures included time to first movement, development of synkinesis, and an objective assessment of the resting tone and dynamic movement that was achieved.
RESULTS: Patient age at the time of transfer ranged from 6 to 61. Follow-up ranged from 12 to 24 months. No patients had any perioperative complications. No patient experienced significant mass movement or synkinetic facial movement with chewing. No patient had worsened chewing or swallowing. Patients have not yet recovered significant resting tone. All patients achieved smile activity when biting down with a median (interquartile range) oral commissure excursion of 7.57 mm (5.19-9.94 mm), starting 3 to 5 months after transfer.
CONCLUSIONS: End-to-trunk masseteric to facial nerve transfer is a safe and effective procedure. Patients had rapid reinnervation with good excursion and achieved a natural appearing smile. The rehabilitated smile appears better than that achieved with hypoglossal-facial nerve transfer. The procedure can be performed coincident with cross-facial nerve grafting, and in some cases may produce dynamic facial movement that obviates the need for free muscle transfer.
DESIGN: Retrospective chart review.
SETTING: Tertiary-care private practice setting.
PARTICIPANTS: Patients with complete unilateral facial paralysis of less than 24 months duration.
INTERVENTIONS: Direct end-to-trunk masseteric to facial nerve anastomosis.
OUTCOME MEASURES: Outcome measures included time to first movement, development of synkinesis, and an objective assessment of the resting tone and dynamic movement that was achieved.
RESULTS: Patient age at the time of transfer ranged from 6 to 61. Follow-up ranged from 12 to 24 months. No patients had any perioperative complications. No patient experienced significant mass movement or synkinetic facial movement with chewing. No patient had worsened chewing or swallowing. Patients have not yet recovered significant resting tone. All patients achieved smile activity when biting down with a median (interquartile range) oral commissure excursion of 7.57 mm (5.19-9.94 mm), starting 3 to 5 months after transfer.
CONCLUSIONS: End-to-trunk masseteric to facial nerve transfer is a safe and effective procedure. Patients had rapid reinnervation with good excursion and achieved a natural appearing smile. The rehabilitated smile appears better than that achieved with hypoglossal-facial nerve transfer. The procedure can be performed coincident with cross-facial nerve grafting, and in some cases may produce dynamic facial movement that obviates the need for free muscle transfer.