PubMed · 7955133
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E Bower. Ethicology.. https://doi.org/10.1111/j.1365-2214.1994.tb00384.x
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UNLABELLED: This retrospective study was designed: (a) to determine the extent to which routine data sources in the UK can provide data relating to the later health status of selected groups of infants; and (b) to use such an approach to describe the outcome of a geographically defined population of infants born before 26 weeks gestation. All infants of less than 26 weeks gestation admitted for neonatal intensive care during the period 1/1/91 and 31/12/93 whose mother's address at the time of birth was within the boundaries of the Trent Health Region were included. Health status was assessed against a previously described simple scheme and using information from existing sources only. During the 3-year period 249 infants of less than 26 weeks gestation were admitted for intensive care. Of these 66 (26.5%) survived to be discharged from the neonatal service. A further seven infants died before the age of 2 years. Of the remaining 59 four were lost to follow up (three could not be traced; one was living abroad). Of the 55 infants reviewed, 36 demonstrated no features, pre-defined in the classification scheme, of severe disability. However, only 30 children appeared to be considered entirely normal. CONCLUSION: Infants born before 26 weeks gestation and admitted for neonatal intensive care had, approximately, a 12% chance of normal survival to 2 years. A slightly smaller proportion of infants survived with significant disability. Existing routine data sources could be adapted to provide useful public health information about the outcome of 'high risk' groups of infants.
This paper investigates the prognostic value of flash visual evoked potentials (VEPs) recorded in preterm infants at birth and at term age with respect to severe neurological outcome. Flash VEPs were recorded in 81 preterm infants at birth (i.e. <35 weeks' gestation) and repeated in 56 of these infants at term age. The preterm infants were assigned to either a healthy or at-risk subgroup based on clinical birth factors. Normal ranges of flash-VEP latencies, amplitudes, and number of components present were obtained from the subgroup of healthy preterm infants and from 68 term infants tested postnatally. The flash-VEP results of the entire preterm group were compared with the normal ranges and any abnormalities noted. Seven preterm infants in the at-risk group died, six of whom had abnormal flash VEPs before term age. Of the five infants from the at-risk group diagnosed with cerebral palsy (CP), three had abnormal flash VEPs before term age. Thus the sensitivity and specificity of the flash VEP with respect to survival was 86% and 89% respectively, and with respect to the development of CP was 60% and 92%. The abnormal features of the flash VEP associated with adverse outcomes comprised a delayed N3 component before term age and the absence of a positive component (P2) at term age.
OBJECTIVE: To determine whether reliable birth cohort prevalence rates of disabling conditions in early childhood can be obtained from child health information systems. DESIGN: Comparison of two sources of information on motor and sensory disabilities: from child health information systems held by health authorities, and a population register that uses multiple sources of ascertainment. SETTING: The counties of Oxfordshire, Buckinghamshire, and Northamptonshire. PARTICIPANTS: Children born to residents of the three counties between 1984 and 1989. RESULTS: Eight hundred and twenty children (6.0/1000 live births) were identified from the child health system as having one or more of the conditions, and 580 (4.2/1000 live births) were identified from the population register; however, only 284 children were identified by both sources. CONCLUSIONS: It is currently impossible to monitor trends in the prevalence rate of disabling disorders in childhood using the child health information systems. Agreement about ways of collecting, recording, and collating information on disability would be a useful step towards realising the full potential of these systems.