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Progressive supranuclear palsy
Progressive supranuclear palsy is a movement disorder that occurs from damage to certain nerve cells in the brain.
Dementia-nuchal dystonia; Richardson-Steele-Olszewski syndrome; Palsy - progressive supranuclear
Progressive supranuclear palsy is a condition that causes symptoms similar to those of Parkinson's disease.
It involves damage to many cells of the brain. Many areas are affected, including the part of the brainstem where cells that control eye movement are located. Also affected is an area of the brain that controls steadiness when you walk. The frontal lobes of the brain are also affected, leading to personality changes.
The cause of the damage to the brain cells is unknown. The disease gets worse over time.
People with this condition have deposits in brain tissues that look like those found in patients with Alzheimer's disease. There is a loss of tissue in most areas of the brain and in some parts of the spinal cord.
The disorder is most often seen in people over 60 years old, and is somewhat more common in men.
- Changes in expressions of the face
- Deeply lined face
- Difficulty moving the eyes or lack of control over the eyes
- Different sized pupils
- Difficulty swallowing
- General slowness of movement (bradykinesia)
- Jaw or face jerks or spasms
- Loss of coordination, unsteady gait (walking pattern)
- Mild-to-moderate dementia
- Difficulty using knowledge
- Indifference (apathy)
- Slowed thought
- Personality changes
- Repeated falls
- Slow or stiff movements
- Speech difficulties
- Low voice volume
- Poor ability to speak clearly (enunciate)
- Slow speech
- Stiffness and rigid movement in the neck, middle of the body, arms, and legs
- Vision difficulty -- unable to look up or down without bending the neck
Exams and Tests
An exam of the nervous system (neurological examination) may show:
- Dementia that is getting worse
- Limited eye movements, especially up and down movements
- Normal vision, hearing, feeling, and control of movement
- Stiff and uncoordinated movements like those of Parkinson's disease
The health care provider may do the following tests to rule out other diseases:
The goal of treatment is to control symptoms. There is no known cure for progressive supranuclear palsy.
Levodopa or other drugs (such as benztropine or trihexyphenidyl) block the action of a nervous system chemical called acetylcholine (anticholinergic medications). They may temporarily reduce some symptoms, such as rigid limbs or slow movements. However, these medications are usually not as effective as they are for Parkinson's disease.
Many people with this condition will need around-the-clock care and monitoring as they lose brain functions.
Treatment sometimes can reduce symptoms for a period of time, but the condition will get worse. Brain function will decline over time. Death commonly occurs in 5 to 7 years.
Newer drugs are being studied to treat this condition.
When to Contact a Medical Professional
Call your health care provider if you often fall, and if you have a stiff neck/body and vision problems.
Also, call if a loved one has been diagnosed with progressive supranuclear palsy and the condition has declined so much that you can no longer care for the person at home.
Boeve BF. Progressive supranuclear palsy. 2012. 18 Suppl 1:S192-194.
Reviewed By: Luc Jasmin, MD, PhD, Department of Neurosurgery at Cedars-Sinai Medical Center, Los Angeles, and Department of Anatomy at UCSF, San Francisco, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Inc.