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  • Title: [Relation between fetal hypoxia, neonatal asphyxia and hypoxic-ischemic encephalopathy].
    Author: Drazancić A, Skrablin S, Barisić D.
    Journal: Jugosl Ginekol Perinatol; 1991; 31(3-4):72-6. PubMed ID: 1749279.
    Abstract:
    Clinical data, duration of labour, mode of delivery and possibilities of fetal heart rate monitoring in predicting perinatal asphyxia and neonatal encephalopathy in 143 consecutively delivered asphyxiated infants and 143 paired healthy infants are analyzed. Perinatal asphyxia occurred in only 2.6% of normal pregnancies and significantly more frequently in pregnancies complicated by gestosis. It is far more common in children subject to operative deliveries (15-20%) and when labour lasts longer than 12 hours, either in vertex or breech presentations. The occurrence of encephalopathy is less frequent in children delivered by cesarean section (1.6%) and almost three times more frequent than in vaginal breech deliveries. In asphyxiated children delivered vaginally, significantly more frequently CTG scores were prepathologic (38% versus 3.4%). In the cesarean section group the differences are not significant in prepathologic CTG scores but are highly significant when CTG scores were pathologic (36% versus 2.7%). The mean duration of the pathologic heart rate pattern is significantly longer in mild asphyxia in comparison to the control group (45 minutes versus 12.5 minutes). In moderate asphyxia the pathologic CTG pattern lasted 72.1 minutes and in severe asphyxia 52 minutes.
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