Cerebral palsy (CP) is a group of permanent movement disorders that appear in early childhood. Signs and symptoms vary between people. Often problems include: poor coordination, stiff muscles, weak muscles, trouble swallowing or speaking, and tremors among others. There may also be problems with sensation, vision, and hearing. Often babies with CP do not roll over, sit, crawl, or walk as early as other children their age. Difficulty with the ability to think or reason and seizures each occurs in about one third of cases. While the symptoms may get more noticeable over the first few years of life, the underlying problems do not worsen over time.
Cerebral palsy is a general term describing a group of chronic non-progressive neurological symptoms which cause impaired control of movement and which are evident in the first few years of life, usually before age 3. The disorders are induced by damage or faulty development of the motor areas in the brain, disrupting the patient's ability to control movement and posture.
Symptoms of cerebral palsy include difficulty with fine motor tasks such as writing, poor balance and walking, and involuntary movements. The exact combination of symptoms differs from patient to patient and may vary over time.
Some patients also have seizures and intellectual disability, however, this is not always the case.
Babies with cerebral palsy are frequently slower than average in achieving developmental milestones like learning to roll over, sit, crawl, smile, or walk.
Cerebral palsy is usually thought of as congenital or perinatal, however, it can also be acquired after birth. Many of the causes of cerebral palsy that have been identified through research are preventable or even treatable: head injury, Rh incompatibility, jaundice and rubella (German measles).
Diagnosis of Cerebral Palsy
Doctors diagnose cerebral palsy by tests of motor skills and reflexes and by medical history.
Magnetic Resonance Imaging (MRI) and Computerized Tomography (CT) scans are typically ordered when the physician suspects cerebral palsy; however, they are not definitive. These tests can provide evidence of physical abnormalities such as hydrocephalus (an accumulation of fluid in the cerebral ventricles of the brain), and they can be utilized to exclude other brain disorders. These scans do not prove that the patient has cerebral palsy; nor do they predict how well a specific patient will function in the future.
Patients with normal scans may have severe symptoms, and while others whose scans are clearly abnormal have only modest physical signs. However, as a group, patients with cerebral palsy are statistically more likely to have brain scars, cysts, and other changes visible on scans.
When physical examination suggests cerebral palsy, an abnormal scan helps confirms the clinical diagnosis. Even though specific symptoms can change as time passes, cerebral palsy by definition isn't progressive, so if a patient shows increasing impairment, the problem is usually another neurological disorder.
Varieties of Cerebral Palsy
Spasticity refers to the inability of a muscle to relax, while athetosis refers to an inability to control its movement. Babies who are initially hypotonic ("floppy") may later develop spasticity. Hemiplegia is cerebral palsy that involves 1 arm and 1 leg on one side of the body, whereas diplegia is the involvement of both legs. Quadriplegia refers to symptoms involving all 4 extremities as well as trunk and neck muscles. Balance and coordination problems are referred to as ataxia.
For instance, a patient with spastic diplegia has mostly spastic muscle problems of the legs, while perhaps also displaying a smaller component of athetosis and balance problems. The patient with athetoid quadriplegia, on the more hand, would have lack of control of the muscles of both arms and legs, however such a patient will usually have smaller problems with ataxia and spasticity as well. Normally a child with quadriplegic cerebral palsy will be unable to walk independently. The degree of impairment can vary from patient to patient and range from mild to severe.
Cerebral Palsy Therapy
There is no standard therapy that benefits all patients. Drugs are useful to control seizures and muscle cramps and braces can compensate for muscle imbalance. Surgery, mechanical aids to help overcome impairments, counseling for emotional and psychological needs, and physical, occupational, speech, and behavioral therapy are all effective.
Prognosis for Cerebral Palsy
Though cerebral palsy is incurable to date, many patients can enjoy near-normal lives if their neurological symptoms are properly managed.
There is evidence which suggests that cerebral palsy results from incorrect cell development early in prenatal life. As an example, a group of researchers has recently observed that approximately one-third of cerebral palsy patients also have missing enamel on certain teeth. Bleeding inside the brain, breathing and circulation problems and seizures can all cause cerebral palsy and each has separate causes and treatment.
Researchers are currently conducting trials to determine whether certain drugs can help halt neonatal stroke, and more investigators are examining the causes of low birth-weight. More studies are being done to determine how brain trauma (like brain damage from a shortage of oxygen or blood flow, bleeding in the brain, and seizures) can cause the release of brain chemicals which lead to permanent brain damage.
Organizations Funding Cerebral Palsy Research & Therapy
Easter Seals, Epilepsy Foundation, March of Dimes Birth Defects Foundation, United Cerebral Palsy, National Disability Sports Alliance, Childrens Neurobiological Solutions Foundation, Childrens Hemiplegia and Stroke Foundation.
The awareness ribbon color for Cerebral Palsy (CP) is green. The month of March marks Cerebral Palsy Awareness Month, and March 25th is National Cerebral Palsy Awareness Day.
Cerebral palsy has affected humans since antiquity. A decorated grave marker dating from around the 15th to 14th century BCE shows a figure with one small leg and using a crutch, possibly due to cerebral palsy. The oldest likely physical evidence of the condition comes from the mummy of Siptah, an Egyptian Pharaoh who ruled from about 1196 to 1190 BCE and died at about 20 years of age. The presence of cerebral palsy has been suspected due to his deformed foot and hands.
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