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Iran J Otorhinolaryngol. 2014 Oct;26(77):251-6.

Management of synkinesis and asymmetry in facial nerve palsy: a review article.

Author information

1
Department of Physiotherapy, School of Rehabilitation Sciences, Isfahan University of Medical Sciences, Isfahan, Iran.

Abstract

INTRODUCTION:

The important sequelae of facial nerve palsy are synkinesis, asymmetry, hypertension and contracture; all of which have psychosocial effects on patients. Synkinesis due to mal regeneration causes involuntary movements during a voluntary movement. Previous studies have advocated treatment using physiotherapy modalities alone or with exercise therapy, but no consensus exists on the optimal approach. Thus, this review summarizes clinical controlled studies in the management of synkinesis and asymmetry in facial nerve palsy.

MATERIALS AND METHODS:

Case-controlled clinical studies of patients at the acute stage of injury were selected for this review article. Data were obtained from English-language databases from 1980 until mid-2013.

RESULTS:

Among 124 articles initially captured, six randomized controlled trials involving 269 patients were identified with appropriate inclusion criteria. The results of all these studies emphasized the benefit of exercise therapy. Four studies considered electromyogram (EMG) biofeedback to be effective through neuromuscular re-education.

CONCLUSION:

Synkinesis and inconsistency of facial muscles could be treated with educational exercise therapy. EMG biofeedback is a suitable tool for this exercise therapy.

KEYWORDS:

Bell's palsy; Electromyography biofeedback; Facial palsy; Physiotherapy; Synkinesis

PMID:
25320703
PMCID:
PMC4196449

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