The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2006
The role of perinatal and intrapartum risk factors in the etiology of cerebral palsy in term deliveries in a Turkish population.
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Gurbuz Ayse, Karateke Ates, Yilmaz Ufuk, Kabaca Canan
Аннотация
OBJECTIVE: To investigate the relationship between cerebral palsy (CP) and perinatal and intrapartum risk factors and markers of birth asphyxia.
METHODS: This was a retrospective case-control study of 101 children with CP and 308 controls who were born at the Zeynep Kamil Hospital between 1990 and 2000. The roles of possible perinatal and intrapartum risk factors were investigated in CP development. Chi-square tests, Fisher's exact tests, Student t-tests, and regression analysis were used for statistical analysis (p < 0.05).
RESULTS: The only significant perinatal risk factor was neonatal weight of <2500 grams. The CP rate in the presence of solely intrapartum risk factors was estimated as 24.7% (n = 25). In 39.6% of cases, no risk factor could be identified. When regression analysis was performed, the following factors were significant: decreased beat-to-beat variability on electronic fetal monitoring (EFM) (p = 0.02), an Apgar score of <7 at 1 and 5 minutes (p = 0.02), and the necessity for neonatal intensive care unit admission (p < 0.0001).
CONCLUSION: Intrapartum risk factors were significantly more frequent in the CP group (p < 0.01). An increased cesarean section rate could not prevent CP, suggesting that the hypoxic insult that causes CP might be of chronic onset. The development of diagnostic tests to detect non-reassuring fetal status in its intrauterine life and interventions at appropriate times may decrease the CP rate.
METHODS: This was a retrospective case-control study of 101 children with CP and 308 controls who were born at the Zeynep Kamil Hospital between 1990 and 2000. The roles of possible perinatal and intrapartum risk factors were investigated in CP development. Chi-square tests, Fisher's exact tests, Student t-tests, and regression analysis were used for statistical analysis (p < 0.05).
RESULTS: The only significant perinatal risk factor was neonatal weight of <2500 grams. The CP rate in the presence of solely intrapartum risk factors was estimated as 24.7% (n = 25). In 39.6% of cases, no risk factor could be identified. When regression analysis was performed, the following factors were significant: decreased beat-to-beat variability on electronic fetal monitoring (EFM) (p = 0.02), an Apgar score of <7 at 1 and 5 minutes (p = 0.02), and the necessity for neonatal intensive care unit admission (p < 0.0001).
CONCLUSION: Intrapartum risk factors were significantly more frequent in the CP group (p < 0.01). An increased cesarean section rate could not prevent CP, suggesting that the hypoxic insult that causes CP might be of chronic onset. The development of diagnostic tests to detect non-reassuring fetal status in its intrauterine life and interventions at appropriate times may decrease the CP rate.