Measurement of Visual Evoked Potentials in Patients with Spastic Cerebral Palsy
To evaluate the visual evoked potentials in patients with spastic cerebral palsy. Patients and
Fifty children with spastic cerebral palsy were selected. They were all male in age range of l0 to 13 years. The visual evoked potential using the checker board stimulation method was used to evaluate the visual pathway of patients. Latency (msec) and amplitude (μv) of VEP, P100 peak was measured for all participants. The same procedure was repeated for fifty age and sex matched healthy individuals as the control group. The results obtained in two groups were compared to look for probable differences.
There was no statistically significant difference between the case and control groups regarding their mean age. The mean latencies for VEP, P100 peak in the case and control groups were 115 ± 15 msec and 95 ± 5 msec respectively (P < 0.001). The mean amplitudes for VEP, P100 peak were 82 ± 0.7 μv and 5 ± 2.15 μv in the case and control groups respectively (P < 0.001) .
Visual evoked potential is a suitable technique to check the visual pathway of patients with spastic cerebral palsy. The pathway shows pathological changes in patients with spastic cerebral palsy, which can be monitored using visual evoked potential recording.
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