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Methods to Quantify Pharmacologically Induced Alterations in Motor Function in Human Incomplete SCI
Published on: April 18, 2011
Neuroelectric stimulation in cerebral palsy: long-term quantitative assessment
G F Harris1, E A Millar, D C Hemmy
1Department of Biomedical Engineering, Marquette University, Milwaukee, Wisc.
Stereotactic and Functional Neurosurgery
|January 1, 1993
Summary
Chronic cerebellar stimulation (CCS) initially reduced spasticity in children with cerebral palsy (CP). However, these positive effects on movement disorders significantly diminished 3-5 years after surgery.
Area of Science:
- Neurology
- Neurosurgery
- Pediatrics
Background:
- Cerebral palsy (CP) is a group of disorders affecting movement and posture, often characterized by spasticity.
- Chronic cerebellar stimulation (CCS) has been explored as a therapeutic intervention for managing spasticity and movement disorders in CP.
Purpose of the Study:
- To evaluate the long-term efficacy of chronic cerebellar stimulation (CCS) in reducing spasticity and improving movement disorders in children with cerebral palsy (CP).
Main Methods:
- A prospective study evaluated 13 children with CP who underwent CCS over 14 years.
- Data collected included somatosensory evoked potentials, passive resistance to motion, upper extremity motor skills, neuromuscular examination, and parental interviews.
- Both immediate postoperative and long-term quantitative results were analyzed.
Main Results:
- CCS demonstrated effectiveness in reducing hypertonicity in children with CP in the short term immediately after surgery.
- The observed reduction in spasticity significantly waned between 3 to 5 years postoperatively.
- Long-term follow-up indicated a diminishing effect of CCS on spasticity over time.
Conclusions:
- While CCS offers initial benefits for spasticity in CP, its efficacy wanes significantly in the long term (3-5 years).
- Further research is needed to understand the durability of CCS effects and explore alternative or adjunctive therapies for sustained improvement in CP.

