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Facial paralysis is more common in older people than in younger people, so it is roughly four times more likely to occur in people in their 50s than in their 20s.
The causes of facial paralysis are broadly divided into central and peripheral. Central facial palsy is caused by lesions in the brain and can lead to systemic symptoms such as upper and lower limb hemiplegia and speech disorders.
The most common cause of peripheral facial paralysis is 'Bell's palsy', which is paralysis for unknown reasons. The second most common cause is Ramsay Hunt syndrome, a virus caused by shingles. If you look at the statistics of total facial paralysis and high-dose steroid treatments, Bell's palsy and Ramsay Hunt syndrome account for 67%, or two-thirds. The difference from central facial palsy is that it does not cause systemic symptoms other than the facial part.
Central facial palsy has wrinkles on the forehead, while peripheral facial palsy does not have wrinkles on the forehead. After self-diagnosis, MRI or electromyography can be performed accordingly to determine the next prognosis. In the case of peripheral facial paralysis, the better prognosis is to use high-dose steroids as soon as possible
Simply put, the sooner you treat it, the better the prognosis.
From the Korean Academy of Otolaryngology, the Korean Academy of Otolaryngology recommends treatment as soon as possible, and the American Academy of Otolaryngology recommends the use of high-dose steroids within 72 hours.
Recent literature has shown that steroids are 80% cured within 6 months if used within 48 hours, and 60% within 6 months if used after 72 hours. In conclusion, the golden time is 48 hours and the maximum is 72 hours.
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