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Definition
| Causes
| Risk Factors
| Symptoms
| Diagnosis
| Treatment
| Prevention
Definition
Cerebral palsy is a group of chronic disorders impairing control of movement that appear in the first few years of life and generally do not worsen over time. These disorders are caused by faulty development of or damage to motor areas in the brain that disrupts the brain's ability to control movement and posture.
Cerebral palsy may be congenital or acquired after birth. Congenital causes include brain injury or malformation due to:
- Infection
- Intrauterine hypoxia (low blood oxygen)
- Problems with the placenta
- Genetic abnormalities
In many instances, the cause of the brain abnormality is unknown.
Several of the causes of cerebral palsy that have been identified through research are preventable or treatable, including:
Some people with cerebral palsy are also affected by other medical disorders, such as
seizures
or
intellectual disability
. But cerebral palsy does not always cause intellectual disability.
Although its symptoms may change over time, cerebral palsy by definition is not progressive. If a patient shows increased impairment, the problem may be something other than cerebral palsy.
Roughly 2 out of 1,000 children are affected.
Cerebral palsy isn't curable. However, getting the right therapy for your child can make a big difference in reducing the long-term impact of the condition.
Causes
Cerebral palsy occurs due to damage to areas of the brain that direct movement interferes with the brain's ability to control movement and posture. Cerebral palsy may develop before, during, or after birth.
Causes include:
- Brain tissue may not develop correctly during pregnancy. The growing fetus may experience a lack of oxygen or nutrients.
- Child sustains a head injury or brain infection.
- Mother's and child's blood types are not compatible.
- Mother has rubella while pregnant.
- Stroke
or bleeding occurs in the baby's brain during development or after birth.
- Child is deprived of oxygen during or after birth.
- There are abnormalities of the umbilical cord or placenta, or the placenta separates too early from the wall of the uterus.
-
Child has
meningitis
,
encephalitis
, seizures, or head injury.
- Child has genetic/metabolic abnormalities.
Despite common misconceptions, cerebral palsy is caused by problems surrounding the delivery of the infant less than 1% of the time.
Risk Factors
Cerebral palsy occurs in 2 out of every 1,000 births in the developed world.
Risk factors for cerebral palsy include:
- Infection or blood clotting problems during pregnancy
- Vaginal bleeding during pregnancy
- Seizures or
intellectual disability
in the expectant mother
- Complicated or premature delivery
- Breech birth
- Low Apgar score (a rating of the child's condition just after birth)
- Low birth weight
- Large birth weight
- Type 1 diabetes
in the expectant mother
- Premature birth
- Multiple births (eg, twins or triplets)
- Small head
- Seizures
- In vitro fertilization
(in part due to multiple births associated with in vitro fertilization)
Symptoms
Symptoms of cerebral palsy vary widely and may include difficulty with fine motor tasks (such as writing or using scissors), difficulty maintaining balance or walking, and involuntary movements. The symptoms differ from person-to-person and may change over time.
Cerebral palsy first shows up in children aged three years or younger. Symptoms vary depending on what areas of the brain are affected. Some children may have severe disabilities. Although symptoms may change as the child grows older, the child's condition is unlikely to worsen.
Symptoms include:
- Late to turn over, sit up, smile, or walk
- Trouble writing, buttoning a button, or other fine motor activities
- Difficulty walking or standing
- Tight, spastic muscles
- Weak muscles
- Poor balance
- Speech problems
- Tremors
- Unintentional body movements
- Difficulty swallowing
- Drooling
Some people with cerebral palsy suffer from other medical disorders as well, including:
- Seizures
- Intellectual disability
- Learning disabilities
-
Vision or
hearing problems
- Failure-to-thrive
- Decreased ability to feel pain or identify items by touch
- Problems with bowel and bladder control
- Breathing problems if food or water has accidentally entered the lungs
- Skin breakdown
-
Low bone density and
fractures
Treatment
There is no treatment to cure cerebral palsy. The brain damage cannot be corrected. Therapy aims to help the child reach his or her full potential. Children with CP grow to adulthood and may be able to work and live independently.
Medication
Drugs help control muscle spasms and seizures.
Surgery
Certain operations may improve the ability to sit, stand, and walk.
Physical Aids
Braces and splints help keep limbs in correct alignment and prevent deformities. Positioning devices enable better posture.
Walkers
, special scooters, and
wheelchairs
make it easier to move around.
Special Education
Programs designed to meet the child's special needs may improve learning. Some children do well attending regular schools with special services. Vocational training can help prepare young adults for jobs.
Rehabilitation Services
Speech, physical, and occupational therapies may improve the ability to speak, move, walk, and perform activities of daily living. Physical therapy helps strengthen muscles. Children can learn different ways to complete difficult tasks.
Family Services
Professional support helps a patient and family cope with cerebral palsy.
Counselors
help parents learn how to modify behaviors. Caring for a child with cerebral palsy can be very stressful. Some families find
support groups
helpful.
Other Treatment
Therapeutic electrical stimulation might help.
Prevention
Several of the causes of cerebral palsy that have been identified through research are preventable or treatable:
-
Before getting pregnant, receive a
vaccination
for rubella.
- Seek out early prenatal care.
- Receive testing for blood-type problems. Get treatment if tests reveal incompatible blood types.
-
Do not
smoke
, drink
alcohol
, or use drugs while pregnant.
- Put the baby in a child safety seat when in the car.
- Insist that the child wear a helmet when riding a bicycle.
- Seek help if you have or want to hurt the child.
- Keep poisons away from your child.
- Closely supervise bathing.
-
Get your child
immunized
at the recommended time.
- If your baby becomes sick, call the doctor right away.
Last reviewed August 2010 by Rimas Lukas, MD
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