Neurology diagnoses and treats disorders of the nervous system, including the brain, spinal cord, and nerves, as well as thought and memory.
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Therapy is the cornerstone of management for almost all pediatric movement disorders. Physical Therapy (PT) focuses on gross motor function, balance, gait, and preventing contractures (permanent tightening of muscles). Strengthening the antagonist muscles can sometimes help control dystonic posturing.
Occupational Therapy (OT) focuses on fine motor skills and activities of daily living. OTs work on handwriting adaptations, dressing skills, and sensory integration techniques. For children with tremors or ataxia, weighted utensils or compression garments can provide sensory feedback that stabilizes movement.
Medications are used to modify the neurotransmitters in the basal ganglia. For hyperkinetic disorders like chorea and tics, dopamine depleters (tetrabenazine) or dopamine receptor blockers (antipsychotics) are often used to reduce excess movement. Alpha-adrenergic agonists (clonidine, guanfacine) are first line treatments for tics and ADHD.
For dystonia and spasticity, muscle relaxants are common. Baclofen acts on the spinal cord to reduce reflex excitability. Anticholinergics (trihexyphenidyl) are the mainstay for dystonia, helping to rebalance the neurochemistry in the striatum, though they require careful titration to avoid side effects.
Botulinum toxin (Botox) is a potent tool for focal spasticity and dystonia. It is injected directly into the overactive muscle, where it blocks the release of acetylcholine, effectively weakening that specific muscle and allowing it to relax. This is not a permanent cure but provides relief for 3 to 4 months.
The goal of injection is often to improve function (e.g., relaxing a calf muscle to allow the heel to touch the ground) or to reduce pain and facilitate hygiene. Ultrasound or electrical stimulation guidance is used to ensure the toxin is delivered precisely to the target muscle.
For severe, generalized dystonia that does not respond to medication, Deep Brain Stimulation (DBS) offers a surgical option. Electrodes are implanted into the Globus Pallidus Internus (GPi). These electrodes deliver continuous electrical pulses that modulate the abnormal signals causing the movements.
DBS is reversible and adjustable. The settings can be programmed non invasively using a remote control to optimize benefit and minimize side effects. It is particularly effective for primary genetic dystonias (like DYT1) and is increasingly used for severe Tourette syndrome and dyskinetic cerebral palsy.
For Tourette syndrome and chronic tic disorders, the first line treatment is often not medication, but behavior therapy. Comprehensive Behavioral Intervention for Tics (CBIT) teaches the child to become aware of the premonitory urge and to perform a “competing response”—a movement that makes the tic impossible to do.
This therapy empowers the child to manage their symptoms without the side effects of drugs. It relies on the principle of habit reversal training. Over time, practicing the competing response can reduce the severity of the urge and the frequency of the tic.
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No, the effects of Botulinum toxin are temporary, typically lasting about 3 to 4 months, after which the nerve endings regenerate and the muscle activity returns.
Yes, DBS involves drilling small holes in the skull to place electrodes deep in the brain, but it does not involve removing any brain tissue.
It is a specific action designed to be physically incompatible with the tic; for example, if a child has a head jerking tic, the competing response might be to press the chin gently down and hold it.
Medications do not cure the underlying condition; they suppress the symptoms to improve function and comfort. The symptoms may return if the medication is stopped.
Therapy should not be painful, but stretching tight muscles can be uncomfortable. Therapists work within the child’s tolerance to gradually increase flexibility.
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