A complication worth remembering.
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Biomedical subjects
Publications and source records attributed to P Minchom.
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Aims to establish a mechanism to determine prospectively the health status at two years of babies who weighed less than 1.5 kg at birth, born and receiving neonatal intensive care in North Wales. Maternal and neonatal data on all babies discharged from each of the three units in North Wales meeting this criteria were collated by the study coordinator. A mechanism for review of the health status at two years, corrected for gestational age, was established using the data set recommended by a working group convened by the National Perinatal Epidemiology Unit and Oxford Regional Health Authority. The procedures developed and the outcome data, for a two year cohort of babies born in 1995 and 1996, are reported. Concludes that prevalence of severe disability was similar to that found in other studies, with a considerable number exhibiting impaired growth and delay in speech development.
Recent experimentally derived evidence has confirmed earlier suggestions that seizures which occur within 48 h of birth in babies born at or later than 37 completed weeks gestation are particularly likely to reflect intrapartum asphyxia. We have compared 54 cases of such seizures with 41,090 controls in a geographically defined population. Nulliparity, hydramnios, post-term pregnancy, oxytocin augmentation of labour, abnormalities of fetal heart rate and/or meconium-stained amniotic fluid, prolonged second stage of labour, emergency caesarean section, assisted vaginal delivery, low Apgar score and resuscitation at delivery and subsequent ventilatory support were all statistically significantly more common among cases than among controls. Five of the 54 babies who developed seizures died within 28 days of birth and 11 of the 49 survivors had an impairment diagnosed by 3 years of age which was usually associated with some degree of cerebral palsy. Comparison of the frequency of antecedent perinatal risk factors in the seizure babies who died, those who survived with disabilities and normal survivors failed to reveal any clear pattern.
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