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Mixed cerebral palsy has symptoms of dyskinetic, ataxic and spastic CP appearing simultaneously, each to varying degrees, and both with and without symptoms of each. Mixed CP is the most difficult to treat as it is extremely heterogeneous and sometimes unpredictable in its symptoms and development over the lifespan.
Symptoms of spastic cerebral palsy vary as the disability can affect individuals differently. [2] However, they typically appear in infancy and early childhood and most children are diagnosed in the first two years of life. [7] The main indicator of spastic cerebral palsy is a delay in reaching motor milestones. [2]
Spastic quadriplegia, also known as spastic tetraplegia, is a subset of spastic cerebral palsy that affects all four limbs (both arms and legs).. Compared to quadriplegia, spastic tetraplegia is defined by spasticity of the limbs as opposed to strict paralysis.
Ataxic cerebral palsy is known to decrease muscle tone. [3] The most common manifestation of ataxic cerebral palsy is intention (action) tremor, which is especially apparent when carrying out precise movements, such as tying shoe laces or writing with a pencil. This symptom gets progressively worse as the movement persists, causing the hand to ...
Hearing loss is a common co-occurring condition, [2] and visual disabilities can be associated with Athetoid Cerebral Palsy. Squinting and uncontrollable eye movements may be initial signs and symptoms. Children with these disabilities rely heavily on visual stimulation, especially those who are also affected by sensory deafness. [6]
A component of this is the finding that most often the symptoms that involve athetosis occur as a part of choreoathetosis as opposed to athetosis alone. [16] It is also noteworthy that the presence of athetosis in cerebral palsy (as well as other conditions) causes a significant increase in a person's basal resting metabolic rate.
Characteristic symptoms are increased muscle tone (dystonia, such as clubfoot) and Parkinsonian features, typically absent in the morning or after rest but worsening during the day and with exertion. Children with dopamine-responsive dystonia are often misdiagnosed as having cerebral palsy. The disorder responds well to treatment with levodopa.
[18] [19] Spasticity in cerebral palsy children is usually generalized although with varying degrees of severity across the affected extremities and trunk musculature. [18] [19] Neglected or inappropriately treated spasticity can eventually lead to joint contractures. Both spasticity and contractures can cause joint subluxations or dislocations ...