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Journal of the Korean Child Neurology Society 2006;14(1):68-78.
Published online May 30, 2006.
A Scoring System to Predict the Outcomes in Neonatal Seizures.
Myung Seok Shin, Mea Young Chang, Keon Su Lee
Department of Pediatrics, College of Medicine, Chungnam National University, Daejeon, Korea. ksulee@cnu.ac.kr
This study was designed to compare the follow up results with clinical and laboratory findings in patients with seizures in the neonatal period. Also, it was aimed to evaluate the usefulness of scoring prognostic factors and its efficacy as a prognostic index. METHODS: The subjects are 67 neonates who were admitted to Chungnam National University Hospital from January 1999 to April 2005 for seizures which occurred within 28 days of birth. These patients were investigated retrospectively from the hospital records. We scored clinical manifestations including gestational age, birth weight, Apgar score at 5 min, etiology, type, onset, duration, and frequency of seizures, neurologic examination results, EEG background activities, and treatment responses. Follow-up examinations were done to analyze the presence of epilepsy and neurologic deficits. A sum of the factors associated with outcomes regarded as a prognostic index, were studied. RESULTS: 50 cases(74.6%) showed normal outcomes, while 7 cases(10.4%) had unfavorable neurologic outcomes and 4 cases(6.0%) favorable neurologic outcomes with epilepsy. 6 cases(9.0%) showed unfavorable neurologic outcomes with epilepsy. All of the data including gestational age, Apgar score at 5 min, etiology, type, duration, and frequency of seizures, neurologic examination results, EEG background activities, and treatment responses were used as a prognostic index by a scoring system. When the cut-off point was 7, sensitivity, specificity, positive predictive value and negative predictive value were 76.5%, 78.0%, 54.2%, and 90.7% respectively. CONCLUSION: A scoring system for neonatal seizures earned high scores in sensitivity, specificity and negative predictive value, so that it seems to be useful as a predicitive prognostic index.
Key Words: Neonatal seizure, Scoring system, Prognostic index


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