The Role of Orexin-A Levels in Epileptic Seizure.
2020
Abstract Background The aim of this study is to determine the usefulness of Orexin-A levels in differentiating between epileptic seizures and psychogenic non-epileptic seizures in patients presenting to the emergency service with epileptic seizure-type symptoms. Methods A total of 80 individuals were included in this study, including 59 who presented to the emergency service within the first four hours of having been diagnosed with generalized tonic-clonic seizures (39 with epileptic seizures (ES) and 20 with pseudoseizures (PNES) and 21 controls. Orexin-A levels were measured in venous blood samples. Results The mean Orexin-A levels were 5.16 ng/mL in the control group, 7.17 ng/mL in the PNES group, and 11.08 ng/mL in the ES group (Table 1). The mean Orexin-A level of the ES group was significantly different from both the control group and the PNES group (Table 1, p 0.05). Conclusions Results of this study suggest that blood Orexin-A may be an effective biomarker in the differential diagnosis of epileptic seizures/psychogenic non-epileptic seizures in patients presenting to the emergency service with an epileptic seizure-type clinical picture.
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