title: Visual Evoked Potential (VEP)--dependable marker for CNS affection in thyroid diseases.
abstract: The mean latency and amplitude of P100 component of VEP were studied in forty three controls and eighty nine cases of thyroid dysfunction [Hypothyroid-28; Hyperthyroid-32 and probable Thyroiditis-29 (inclusive of 21 cytology proved)]. The mean latency in hypothyroid, hyperthyroid and probable thyroiditis subjects were 110.69, 111.41 and 109 m.sec in comparison to 101.91, 102.0 and 101.08 m. sec. respectively in controls (p < 0.005). The mean amplitude being 1.34, 6.34 and 2.41 microvolts in hypothyroid, hyperthyroid and probable thyroiditis subjects in comparison to 4.79, 4.16 and 4.59 microvolts respectively in controls (p < 0.005).
authors.affiliation: Deptt. of Neurology, Safdarjang Hospital, New Delhi.
authors.forename: S
authors.initials: S
authors.lastname: Misra
authors.forename: R S
authors.initials: RS
authors.lastname: Sinha
authors.forename: D C
authors.initials: DC
authors.lastname: Jain
authors.forename: B
authors.initials: B
authors.lastname: Chakravorty
mesh_terms: D000328:Adult; D000368:Aged; D015415:Biomarkers; D002493:Central Nervous System Diseases / Q000175:diagnosis* / Q000209:etiology; D005074:Evoked Potentials, Visual; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000150:complications* / Q000175:diagnosis; D007037:Hypothyroidism / Q000150:complications* / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D012680:Sensitivity and Specificity
chemical_list: D015415:Biomarkers