CEREBRAL PALSY
Ø Definition of Cerebral Palsy –
· A medical condition, usually caused by brain damage before or at birth, that causes the loss of control of the arms & legs.
· Cerebral Palsy is a group of disorders that affects movement & muscle tone or posture.
It caused by damage that occurs to the immature, developing brain, most often before birth.
· Cerebral Palsy is considered a Neurological disorder caused by a Non-progressive brain injury or malformation that occurs while the child’s brain is under development, Cerebral Palsy primarily affects body movement & muscle coordination.
·
Cerebral Palsy is a blanket term commonly by referred
to “CP” and described by loss or impairment of motor function, cerebral palsy
is actually caused by brain damage.
The brain damage is caused by brain injury or abnormal development of the brain that occurs while a child’s brain is still developing – before birth, during birth or immediately after birth.
· Cerebral Palsy affects body movement, muscle control, muscle coordination, muscle tone, reflex, posture & balance.
Ø Types of Cerebral Palsy –
There are five types of motor effects from cerebral palsy,
depending on which areas of the brain are affected –
> Spastic cp
> Dyskinetic
> Ataxic cp
> Hypotonic cp
> Mixed cp
1. Spastic Cerebral
Palsy (65%)
Spastic CP is the most common type of cerebral palsy, it affecting approximately 80% of people with condition. It causes stiff muscles & exaggerated reflexes, making it difficult to walk or movements.
2. Dyskinetic
Cerebral Palsy (10%)
People with dyskinetic cerebral palsy have trouble controlling their body movements. The condition causes involuntary, unusual movements in the arms, legs, and hands. In some cases, dyskinetic cerebral palsy also affects the face and tongue.
3. Ataxic Cerebral Palsy
(5%)
People with this form of cerebral palsy
usually have trouble with balance and coordination. They may have difficulty
walking and performing fine motor functions, such as grasping objects and
writing.
4. Hypotonic Cerebral Palsy
(1%)
Hypotonic cerebral palsy causes diminished muscle tone and overly relaxed muscles. The arms and legs move very easily and appear floppy, like those of a rag doll.
5. Mixed Cerebral Palsy
(12%)
Some people have a combination of symptoms of the different types of cerebral palsy. This is called mixed cerebral palsy.
In most cases of mixed cerebral palsy, people experience symptoms of both spastic and dyskinetic cerebral palsy.
Ø Classification of Cerebral Palsy –
# Severity :-
Cerebral Palsy is often classified by Severity Level as –
Mild, Moderate & Severe.
These are board generalization that
lack a specific set of criteria.
·
Mild –
Mild CP means child can move without assistance; his/her daily activities are not limited.
·
Moderate –
Moderate CP means a child will need braces, medication & adaptive technology to accomplish daily activities.
·
Server –
Severe CP means a child will require a wheel chair & will have significant challenges in accomplishing daily activities and will need important supports.
# Topographical Classification :–
è It describes body parts affected
è Term used to classification methods :
§ Plegia/Plegic : means paralyzed
1.
Mono-plegia
Means only one limb is affected.
2.
Di-plegia
Usually indicates the Legs are
affected more than Arms; primarily affects the lower body.
3.
Hemi-plegia
Indicates the Arm & Leg;
one side of the body is affected.
4.
Tri-plegia
Indicates Three limbs are affected. This could be both arms & a leg OR a leg or both arms.
5.
Quadri-plegia
Means that All Four limbs are involved.
Ø Causes of Cerebral Palsy –
·
Prenatal (70%)
·
Peri-Natal (5-10%)
·
Post-Natal
> Prenatal
- Maternal infections (Eg. Rubella, Herpes
Simplex)
- Inflammation of Placenta
- RH Incompatibility
- Diabetes during pregnancy
- Genetic Causes
- Maternal Jaundice
> Peri-Natal
-
Prematurity (Immature respiratory & cardiac function)
-
Asphyxia
- Anoxia
-
Low Birth Weight
-
Coagulopathy
-
Breech Delivery
> Post-Natal
- Brain
Damage
-
Motor accident/Damage
-
Drowing
-
Lead exposure
-
Trauma
-
Anoxia
-
Toxicity
- Neoplasms
Ø Causes of Cerebral Palsy –
Cerebral palsy is caused by abnormal brain development or
damage to the developing brain. This usually happens before a child is born,
but it can occur at birth or in early infancy. In many cases, the cause isn't
known. Many factors can lead to problems with brain development. Some include:
·
Gene mutations that result in genetic disorders or differences in
brain development
·
Maternal infections that affect the developing fetus
·
Fetal stroke, a disruption of blood supply to the developing
brain
·
Bleeding into the brain in the womb or as a newborn
·
Infant infections that cause inflammation in or around the brain
·
Traumatic head injury to an infant, such as from a motor vehicle
accident, fall or physical abuse
· Lack of oxygen to the brain related to difficult labor or delivery, although birth-related asphyxia is much less commonly a cause than historically thought
Ø Cerebral Palsy Sign & Symptoms –
Physical Symptoms |
Neurological
Symptoms |
Contractures
(shortening of muscle) |
Buildup of cranial
pressure due to fluid imbalance (hydrocephalus) |
Drooling |
Behavioral Problems |
Exaggerated or jerky
reflexes |
Delayed motor skill
development |
Floppy muscle tone |
Difficulty with
speech & language (dysarthria) |
Gastrointestinal problems |
Sensory impairments |
Incontinence |
Visual/hearing
impairments |
Lack of coordination
& balance |
|
Involuntary movements
or tremors |
|
Problem Swallowing or
Sucking |
|
Problems in movement
with one side of body |
|
Stiff muscles
(spasticity) |
Ø Diagnosis of Cerebral Palsy –
A doctor will
diagnose cerebral palsy by taking a complete medical history, performing
a physical exam that includes a detailed neurological exam, and
evaluating the symptoms.
The following additional
testing may also be used:
- Electroencephalogram
(EEG). An EEG is used to evaluate electrical
activity in the brain. A doctor may order it when someone is showing signs
of epilepsy, a primary cause of seizures.
- MRI. An MRI uses
powerful magnets and radio waves to produce detailed images of the brain.
A healthcare professional may perform an MRI in order to identify brain
irregularities or injuries.
- CT
scan. A CT scan creates clear, cross-sectional
images of the brain. It can also reveal brain damage.
- Ultrasound. A
cranial ultrasound is a method of using high-frequency sound waves to get
basic images of a young infant’s brain. It’s relatively quick and
inexpensive.
- Blood
tests. A healthcare professional may take and test a
sample of blood in order to rule out other possible conditions, such
as bleeding disorders.
If a doctor confirms a
cerebral palsy diagnosis, they may refer you or your child to
a specialist who can test for neurological issues that are often
associated with the condition. These tests may detect:
- Vision
loss and impairment, such as blurred vision in one or both eyes
- Deafness
- Speech
delays
- Intellectual
disabilities
- Movement disorders
Ø Associated Disorders of CP –
1.
Seizures
2.
Dysphagia
3.
Vision Impairment
4.
Hearing Impairment
5.
Cognitive & Behavioral Problems
6.
Oral & Health Issues
7.
Digestive Problems
8.
Skin Infection/Skin Problems
9.
Respiratory Problems
10.Behavioral & Emotion
Problems
11.
Autism
12. ADHD
Ø Screening of CP –
1.
Prenatal Screening
-
Routine check up for mother during pregnancy is
benefited for the mother & the Foetus
-
Health Education
-
Diet Advice (avoid tobacco & alcohol)
-
Sleep & working habits
·
Clinical Examination
-
Breast condition
-
Height of uterus
-
Position of Foetus
-
BP
-
Samples of blood & urine
For Special Test
-
Glycosuria
-
RH Incompatibility
-
Rubella
-
AIDS
-
Neural Tube Defect
2.
Post-Natal Screening
-
Start in the immediate neonatal period & during
the first two years
-
To find Biochemical Defects
-
Hearing & Visual problems
·
Clinical Method (at Birth)
-
Examination of weight, height, head
circumference
-
Gestational Age
-
Musculoskeletal defects
-
At 6 weeks report test
·
Electronic Scanning
-
USG, CT Scan, MRI
To find out – AVM, Hemorrhage,
Leukodystrophies etc.