Abstract
The aim of this study was to determine cerebrospinal fluid (CSF) characteristics after an unprovoked first seizure (UFS). We reviewed the medical records of 71 patients with UFS who underwent lumbar puncture, and examined the CSF parameters. Each CSF parameter was evaluated separately for potential correlations with the other study variables. We observed an overall frequency of CSF abnormalities of 35.2%. CSF protein was the most common abnormal parameter (31%) and showed significant positive correlations with male gender (p=0.037) and older age (p=0.007). Only seven patients (9.9%) had an abnormal cell count (5-40 cells/μl). Higher CSF cell counts were found to predict a longer hospitalization period (p=0.005). No relationship with abnormal EEG findings could be established (p=0.169). This study is one of the few to evaluate postictal CSF parameters in a clinical setting, and to our knowledge the first to investigate these parameters specifically in the emergency department. The development of a rapid, easy-to-use test that does not require extensive laboratory equipment to differentiate UFS from other conditions could be of great value in everyday clinical practice.
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