Electrophysiologic studies in selective dorsal rhizotomy for spasticity in children with cerebral palsy
- Author(s): Cahan, LD
- Kundi, MS
- Mc Pherson, D
- Starr, A
- Peacock, W
- et al.
Published Web Locationhttps://doi.org/10.1159/000100766
A group of 20 children with spastic cerebral palsy underwent selective dorsal rhizotomy for alleviation of spasticity. Pre- and postoperatively, cortical somatosensory evoked responses (cSSEP), H reflex and F wave studies were done. Clinically there was dramatic reduction of tone without noticeable sensory loss. The electrophysiologic studies showed several findings: (I) many children have abnormal cSSEP preopera-tively; (2) surgery seldom leads to a loss of cSSEP; (3) in many patients, there is a noteworthy improvement in the cSSEP wave form: (4) some children have electrophysiologic evidence of spinal cord dysfunction preoperatively and (5) Hmax/Mmax ratio decreases after surgery confirming decrease in tone. © 1987 S. Karger AG. Basel.
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