Unilateral facial paralysis is a common condition: 1 in every 60 people will experience Bell's palsy during the course of their life, and the residual deficits are particularly problematic for those who do not spontaneously recover the function of the facial nerve. Functionally the most relevant defect is lack of corneal lubrication because of inability to close the eyelid or blink. Morphologically, this presents as obvious ptosis caused by absence of the muscle tone at rest. "Restitutio ad integrum" of a paralysed face by operation is currently impossible, but realistic targets are improvement of facial symmetry and partial recovery of closure of the eyelids and smiling. Movements of the forehead and lower lip tend to be neglected targets for intervention because they are of less functional importance. Recent paralyses are those in which the mimetic musculature may be reactivated by provision of neural input, and the time limit is generally 18-24 months. Electromyography helps to detect it by assessing the presence of muscular fibrillations. If those are not detectable paralyses are considered to be long-standing, and new musculature must be transferred into the face, generally by transplantation of a muscular free flap or of the temporalis muscle in several different ways. When the facial nerve has been severed by trauma or during operation, immediate reconstruction must be considered and the simplest and most efficient is direct neurorrhaphy. If an appreciable part of the nerve is missing and the proximal and distal nerve stumps do not meet, an interpositional nerve graft must be placed to guarantee neural continuity. When reconstruction of the total extracranial branch of the facial nerve is required, the thoracodorsal nerve has proved to be highly effective. In case immediate reconstruction cannot be accomplished and the trunk of the facial nerve is not available as a donor nerve, mimetic musculature may be reactivated by provision of new neural input. Strong inputs from the masseteric or hypoglossus nerves may be mixed with those that arise from branches of the contralateral facial nerve after 2 cross-face nerve grafts have been placed, and good functional recovery is generally obtained. Several ancillary procedures are required to improve the end results in most cases.

Facial reanimations: part I--recent paralyses.

Introduction. Bell’s palsy in known as the most common cause of facial paralysis, determined by the acute onset of lower motor neuron weakness of the facial nerve with no detectable cause. With a lifetime risk of 1 in 60 and an annual incidence of 11-40/100,000 population, the condition resolves completely in around 71% of the untreated cases. Clinical trials performed for Bell’s palsy have reported some recurrences, ipsilateral or contralateral to the side affected in the primary episode of facial palsy. Only few data are found in the literature. Melkersson-Rosenthal is a rare neuromucocutaneous syndrome characterized by recurrent facial paralysis, fissured tongue (lingua plicata), orofacial edema.

Purpose. We attempted to analyze some clinical and epidemiologic aspects of recurrent idiopathic palsy, and to develop relevant correlations between the existing data in literature and those obtained in this study.

Methods & Materials. This is a retrospective study carried out on a 10-years period for adults and a five-year period for children.

Results. A number of 185 patients aged between 4 and 70 years old were analyzed. 136 of them were adults and 49 were children. 22 of 185 patients with Bell’s palsy (12%) had a recurrent partial or complete facial paralysis with one to six episodes of palsy. From this group of 22 cases, 5 patients were diagnosed with Melkersson-Rosenthal syndrome. The patients’ age was between 4 and 70 years old, with a medium age of 27,6 years. In the group studied, fifteen patients, meaning 68%, were women and seven were men. The majority of patients in our group with more than two facial palsy episodes had at least one episode on the contralateral side.

Conclusions. Our study found a significant incidence of recurrences of idiopathic facial palsy. 

Recurrent idiopathic facial palsy and Melkersson-Rosenthal syndrome is diagnosed more often in young females. 

Recurrence is more likely to occur in the first two years from the onset, which leads to the conclusion that we should have a follow up of patients diagnosed with Bell’s palsy for at least two years from the onset, especially in children’ case.

The frequency of recurrent facial palsy in children was similar to that in adults. Recurrent idiopathic facial palsy is not known enough and needs further controlled studies.

Recurrences of Bell's palsy.

A close look at an integrative treatment package for Bell's palsy in Korea

Background: Although steroids are effective for multiple types of acute facial palsies, an appropriate dosage remains to be established.Aims/Objectives: The objective of this study is to compare th...

Comparison of the efficacy of various doses of steroids for acute facial palsy.

Background Up to now there is not enough evidence that supports the use of electrotherapy in the treatment of Bell's palsy. Objective Through a systematic review, we aimed to verify whether the use of electrotherapy is effective for treating Bell's palsy or peripheral paralysis. Methods Publications were searched in PubMed, EBSCO and Web of Science. The present systematic review included studies that analyzed the electrotherapy as a therapeutic method for treating individuals with Bell's palsy, in order to recover the function of facial muscles. Results Seven studies involving a total of 131 cases and 113 controls were included in this systematic review. In the studies analyzed, patients received electrotherapy combined with other treatments such as hot-wet facial napkins, massages and muscle reeducation. Although the effect of electrotherapy alone was not evaluated, the use of electrotherapy combined with other treatments produced a significant improvement in the individuals evaluated. Conclusions Due to the diverse methodologies used and the small number of individuals included in the studies, we could not fully prove the efficacy of electrotherapy for treating Bell's Palsy. Future studies with larger samples and homogenous populations should be performed to obtain conclusive results.

Efficacy of electrotherapy in Bell's palsy treatment: A systematic review.

Bell’s palsy (idiopathic facial paralysis) is caused by the acute onset of lower motor neurone weakness of the facial nerve with no detectable cause. With a lifetime risk of 1 in 60 and an annual incidence of 11–40/100,000 population, the condition resolves completely in around 71% of untreated cases. In the remainder facial nerve function will be impaired in the long term. We summarise current published articles regarding early management strategies to maximise recovery of facial nerve function and minimise long-term sequelae in the condition. © 2014 Published by Elsevier Ltd. on behalf of The British Association of Oral and Maxillofacial Surgeons.

Evidence based management of Bell's palsy

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Evidence based management of Bell's palsy