Bell's palsy: aetiology, clinical features and multidisciplinary care

Eviston, T. J., Croxson, G. R., Kennedy, P. G. E., Hadlock, T. and Krishnan, A. V. (2015) Bell's palsy: aetiology, clinical features and multidisciplinary care. Journal of Neurology, Neurosurgery and Psychiatry, 2015(86), pp. 1356-1361. (doi: 10.1136/jnnp-2014-309563) (PMID:25857657)

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Abstract

Bell's palsy is a common cranial neuropathy causing acute unilateral lower motor neuron facial paralysis. Immune, infective and ischaemic mechanisms are all potential contributors to the development of Bell's palsy, but the precise cause remains unclear. Advancements in the understanding of intra-axonal signal molecules and the molecular mechanisms underpinning Wallerian degeneration may further delineate its pathogenesis along with in vitro studies of virus–axon interactions. Recently published guidelines for the acute treatment of Bell's palsy advocate for steroid monotherapy, although controversy exists over whether combined corticosteroids and antivirals may possibly have a beneficial role in select cases of severe Bell's palsy. For those with longstanding sequaelae from incomplete recovery, aesthetic, functional (nasal patency, eye closure, speech and swallowing) and psychological considerations need to be addressed by the treating team. Increasingly, multidisciplinary collaboration between interested clinicians from a wide variety of subspecialties has proven effective. A patient centred approach utilising physiotherapy, targeted botulinum toxin injection and selective surgical intervention has reduced the burden of long-term disability in facial palsy.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kennedy, Professor Peter
Authors: Eviston, T. J., Croxson, G. R., Kennedy, P. G. E., Hadlock, T., and Krishnan, A. V.
College/School:College of Medical Veterinary and Life Sciences > Institute of Infection Immunity and Inflammation
Journal Name:Journal of Neurology, Neurosurgery and Psychiatry
Publisher:BMJ Publishing Group
ISSN:0022-3050
ISSN (Online):1468-330X

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