What is Bell's Palsy?

Introduction Bell's paralysis is the name of a neurological disorder that causes accidental paralysis in the face due to facial nerve abnormality. Paralysis usually occurs only on one side of the face, but it can happen on both sides. Bell 's insensitivity was named after the 19 th century Scottish surgeon Sir Charles Bell. (NINDS Bell paralysis, section 1). This article discusses pathophysiology. That is the mechanism behind Bell's paralysis, its cause and influence.

First, we should reward Bell's paralysis; it is a nonprogressive nervous system disorder of the facial nerve. The disease is characterized by a sudden onset of facial paralysis such as slight fever, pain on the affected side of the ear, neck stiffness, weakness on one side of the face and / or stiffness. Paralysis is caused by a drop in blood supply (ischemia) and / or a seventh cranial nerve compression. The exact cause of Bell's palsy is unknown. Viruses and immune diseases are often thought to be the cause of the disease. There may be a genetic predisposition to develop Bell's paralysis

Bell's paralysis is facial paralysis. You may not know, but Bell's paralysis is fairly common. (Fortunately, it is usually temporary.) Most Bell's paralysis is unilateral: one side of the face hangs down, blinking is incomplete. Patients can sag and should always use lubricant eye drops. Bilateral paralysis is very rare compared to unilateral Bell's palsy. The most common cause of Bell's palsy is reactivation of herpes simplex virus type 1 (HSV I). This is a virus that develops fever after being infected with influenza or unprotected sunlight. When HSV I is reactivated in the facial nerve, it is usually on one side (like a blister) and the side of the face is paralyzed. (Acyclovir and prednisone can speed recovery.)

The controversy centers on the etiology and treatment of Bell's paralysis. Although the cause of Bell's palsy is unknown, the disease appears to be polyneuropathy, which can be viral, inflammatory, autoimmune and ischemic. There is increasing evidence that herpes simplex virus and herpes zoster virus type I reactivate from the cranial ganglia. (See etiology.) Bell's palsy is one of the most common neurological diseases affecting the cranial nerve and is the most common cause of paralysis in the world. It is believed to account for about 60 to 75% of acute unilateral herniac cases. Bell's palsy is more common in adults, diabetic patients and pregnant women. (See epidemiology.)