Neonatology
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An increasing body of evidence has revealed that interventions performed during resuscitation of extremely-low-gestational-age neonates (ELGANs) may have a direct influence on the immediate survival and also on long-term morbidity. It has been proposed that interventions in the delivery room and/or hypothermia could trigger changes constitutive of chronic lung disease. ⋯ The first minutes of life are a valuable window for intervention. However, whilst these practice changes make sense and there are emerging data to support them, further evidence including long-term follow up is needed to definitively change resuscitation procedures in ELGANs.
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Neonatal deaths still represent the largest percentage of overall childhood mortality. Many deaths of neonates are preceded by end-of-life decisions; however, decision-making practices have been reported to vary widely from country to country. ⋯ In our perinatal center, primary nonintervention and redirection of care are the most common circumstances of death in neonates. This reflects our belief that, apart from futility, quality-of-life considerations are an important part of decision making in neonatology.
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Low-birth-weight (LBW) infants have a significantly greater mortality than other babies, not only within the neonatal period but also in infancy and early childhood. Babies are LBW either because they are preterm or they have experienced intrauterine growth retardation. Reducing the prevalence of LBW babies is important in reducing child and infant mortality. ⋯ Key features of the Cuban healthcare system are that it is both free and universal, and additionally there is a strong emphasis on primary healthcare. It is likely that a similar approach in both developing countries and disadvantaged communities in developed countries would reduce the prevalence of LBW babies. This would have a major impact in relation to reducing infant mortality rates.
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Little is known about the effects of hypothermia therapy and subsequent rewarming on the PQRST intervals and heart rate variability (HRV) in term newborns with hypoxic-ischemic encephalopathy (HIE). ⋯ Hypothermia-induced changes in the electrocardiogram should be monitored carefully in future studies.
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Late-onset sepsis in the premature infant is frequently revealed by severe, unusual and recurrent bradycardias. In view of the high morbidity and mortality associated with infection, reliable markers are needed. ⋯ Late-onset sepsis is associated with uncorrelated randomness of the HR. This abnormal HR behavior may help to monitor premature infants presenting with frequent and severe bradycardias.