International Journal of Physiology

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Study of Evoked Potentials in Central Demyelinating Disorders Versus Nondemyelinating Disorders


Affiliations
1 Associate Professor, Department of Physiology, Sree Mookambika Medical College & Research Institute, Kulasekharam, Kanyakumari
2 Additional Professor, Department f Physiology
3 Professor, Department of Neurology, JIPMER, Pondicherry
     

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We studied brainstem auditory, somatosensory and visual evoked potentials in central demyelinating disorders, non demyelinating disorders and control. BAEP studies showed prolonged inter peak latency in demyelinating diseases when compared to non demyelinating diseases. Among those with discernible SSEP waves (N20, P37), no statistically significant differences were seen between the three groups for both latencies as well as amplitudes of waves. The P 100 wave latency in VEP in demyelinating diseases was more prolonged compared to non demyelinating diseases. The findings showed abnormal evoked potentials in both the groups and they help in early and preclinical diagnosis of central nervous system disorders.

Keywords

Visual Evoked Potential, Ssep, Somatosensory Evoked Potential, Baep-brainstem Evoked Potential, Ipl, Inter Peak Latency
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  • Study of Evoked Potentials in Central Demyelinating Disorders Versus Nondemyelinating Disorders

Abstract Views: 321  |  PDF Views: 0

Authors

P Prabhakar
Associate Professor, Department of Physiology, Sree Mookambika Medical College & Research Institute, Kulasekharam, Kanyakumari
Girwar Singh Gaur
Additional Professor, Department f Physiology
Sunil K Narayanan
Professor, Department of Neurology, JIPMER, Pondicherry

Abstract


We studied brainstem auditory, somatosensory and visual evoked potentials in central demyelinating disorders, non demyelinating disorders and control. BAEP studies showed prolonged inter peak latency in demyelinating diseases when compared to non demyelinating diseases. Among those with discernible SSEP waves (N20, P37), no statistically significant differences were seen between the three groups for both latencies as well as amplitudes of waves. The P 100 wave latency in VEP in demyelinating diseases was more prolonged compared to non demyelinating diseases. The findings showed abnormal evoked potentials in both the groups and they help in early and preclinical diagnosis of central nervous system disorders.

Keywords


Visual Evoked Potential, Ssep, Somatosensory Evoked Potential, Baep-brainstem Evoked Potential, Ipl, Inter Peak Latency

References