Lisa M. Caylor

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PURPOSE To investigate ammonia and glutamine levels in valproate (VPA)-related hyperammonemic encephalopathy (VHE). METHODS We reviewed the medical records and EEG recordings of seven adults diagnosed with VHE. RESULTS Venous ammonia levels were elevated in five (71%) of the seven patients. Elevated serum or cerebrospinal fluid (CSF) glutamine levels(More)
PURPOSE To determine whether the specific location of electrographic seizure onset in the temporal lobe is related to hippocampal pathology in temporal lobe epilepsy (TLE). METHODS Consecutive presurgical patients with scalp EEG-video evidence of TLE and no or mild hippocampal atrophy (HA) on magnetic resonance imaging (MRI) were prospectively studied by(More)
OBJECTIVE To determine if ictal stuttering (IS) is more common among patients with psychogenic nonepileptic seizures (PNES) than patients with epileptic seizures (ES). METHODS The authors prospectively reviewed the medical records, EEG-video recordings, and Minnesota Multiphasic Personality Inventory-2 (MMPI-2) scores of consecutive adults of normal(More)
Aspirin has shown promise as an anticonvulsant drug in animal models. Whether aspirin alters seizure frequency in humans remains unstudied. We retrospectively looked at adults with focal onset epilepsy who took aspirin daily while undergoing elective video-EEG monitoring and compared them with similar age- and sex-matched controls to see if seizure(More)
Developmental venous anomalies (DVA) are normally diminutive and incidental. In this 33-year-old patient with epilepsy, the DVA is holohemispheric. Her epilepsy probably originates from the left side based on semiology; the EEG displayed left-sided slowing. Axial T1-weighted sequences show skull atrophy, ventricular widening, and satellite cavernous(More)
OBJECTIVES The objective of this study was to review software errors known as single event upsets (SEUs) or bit flips due to cosmic rays in epilepsy neurostimulators. MATERIALS AND METHODS A case report of a single event upset or bit flip is discussed; device manufacturers and publicly available data were queried for both incidence and types of error as(More)
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