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Introduction: Developmental dysplasia of the hip is a common cause of disability among children. Early detection leads to better prognosis. There are some risk factors that increase the possibility of developing a dysplasia. But not every child with developmental dysplasia has them. This means that physical examination is still very useful to detect them. However, based on clinical findings, the amount of requested ultrasound seems higher than it would be necessary., Methods: Retrospective cohort study of infants born in a single tertiary care centre. Babies in which hip ultrasound was performed were included. During the period of study, patients with diagnosis of developmental hip dysplasia were also included, as well as the amount of ultrasounds requested during this period, and their efficiency., Results: Out of the 456 newborns included, 530 hip ultrasounds were performed. Just 3 of the total 12 dysplasias had risk factors. The others were diagnosed through clinical examination., Conclusions: Screening protocols are useful to detect hip dysplasia but clinical examination is very important to detect those cases without risk factors. However, the number of tests is higher than expected according to the diagnosed dysplasias., (Copyright © 2021. Published by Elsevier España, S.L.U.)

Objective: To investigate the influence of external factors such as lunar and meteorological effects on the frequency of birth deliveries. It includes the lunar gravitational force using the scarcely investigated lunar apogee and perigee (furthest and closest distance to earth, respectively)., Material and Methods: A retrospective study was conducted by reviewing the medical records of all spontaneous single deliveries during a 4 year period (2015-2018). A statistical analysis was performed on the relationship of the deliveries using birth rates with qualitative lunar variables (four classic phases, lunar apogee- perigee, and super moons) and quantitative atmospheric variables (mean atmospheric pressures, mean temperature, and mean wind velocity)., Results: No relationship was found between the variables studied and the birth rate. There were periods with more births in the months of May and June., Conclusion: Despite the myth on the meteorological, and in particular, the lunar influence on birth deliveries, no statistical association was found to support this. Furthermore, the classic moon phases and the lunar gravitational force do not seem to trigger birth delivery either., (Copyright © 2020 Asociación Española de Pediatría. Publicado por Elsevier España, S.L.U. All rights reserved.)

Introduction: Developmental dysplasia of the hip is a common cause of disability among children. Early detection leads to better prognosis. There are some risk factors that increase the possibility of developing a dysplasia. But not every child with developmental dysplasia has them. This means that physical examination is still very useful to detect them. However, based on clinical findings, the amount of requested ultrasound seems higher than it would be necessary., Methods: Retrospective cohort study of infants born in a single tertiary care centre. Babies in which hip ultrasound was performed were included. During the period of study, patients with diagnosis of developmental hip dysplasia were also included, as well as the amount of ultrasounds requested during this period, and their efficiency., Results: Out of the 456 new-borns included, 530 hip ultrasounds were performed. Just 3 of the total 12 dysplasias had risk factors. The others were diagnosed through clinical examination., Conclusions: Screening protocols are useful to detect hip dysplasia but clinical examination is very important to detect those cases without risk factors. However, the number of tests is higher than expected according to the diagnosed dysplasias., (Copyright © 2020. Publicado por Elsevier España, S.L.U.)

Introduction: Vector bioimpedance analysis (BIVA) can be very useful for the evaluation of body composition, hydration, and nutritional status in infants and newborns. The objective of this study was to determine the impedance vector distribution for a group of healthy newborn Spanish children., Methods: This was a cross-sectional, descriptive study conducted with 154 healthy, Spanish newborns (gestational age: 37-41 weeks) aged 24 to 72 hours (79 males, 75 females). Weight, height, and cephalic-circumference were determined. Resistance and reactance were measured with a single-frequency impedance analyzer at 50 kHz (tetrapolar analysis). The newborns' specific 95% confidence intervals of the mean vectors and the 95%, 75%, and 50% tolerance intervals for the individual vector measurements were plotted using R and Xc components standardized by the subjects' lengths. The mean impedance vectors were compared with Hotelling's-T 2 test for vector analysis (significance level: P < .05)., Results: The newborns exhibited gender-related differences in the mean impedance vector (mean [SD] R/H: 833.6 [97.5] Ohm/m in males vs 918.2 [107.7] Ohm/m in females; mean [SD] Xc/H: 91.3 [34.7] Ohm/m in males vs 95.6 [23.2] Ohm/m in females). No statistically significant differences in the mean impedance vectors were observed according to days of life. Lower values of resistance and slightly higher reactance values were observed in the healthy Spanish newborns compared to Italian newborns., Conclusions: New tolerance ellipses were constructed for healthy Spanish newborns. These data allow detecting alterations in the hydration status and cell mass in term newborns in the first 3 days of life., (© 2019 Wiley Periodicals, Inc.)

Introduction: Early-onset neonatal sepsis refers to an infection which starts during the first 72hours of birth, and can lead to significant morbidity and mortality. Scientific evidence shows that infected infants present with symptoms during the first hours after delivery. There has been a significant decrease in this condition with the implementation of guidelines for its prevention. However, International guidelines still recommend the evaluation of these infants using painful tests., Material and Methods: A prospective cohort study was conducted on all asymptomatic infants born at>35 weeks gestation with one or more risk factors in a single tertiary care centre from 2011 to 2015. They were periodically observed in newborn nursery from admission until discharge looking for signs of infection., Results: Out of the 9,424 babies born during this period, 1425 were included in the study. A total of 53 infants were admitted to the neonatal unit, half of them because of sepsis suspicion. Finally, just 7 were discharged with the diagnosis of sepsis. All these 7 presented with symptoms during their first 72hours of life. No sepsis was reported in asymptomatic infants., Conclusions: Truly infected infants present with symptoms during their first hours of life. This study supports the observation of infants at risk as a safe practice to detect early-onset sepsis., (Copyright © 2017 Asociación Española de Pediatría. Publicado por Elsevier España, S.L.U. All rights reserved.)

Introduction: Tumours of the central nervous system (CNS) are one of the most common causes of child mortality, second only to accidents. In the last few decades we have witnessed an increase in the incidence of these tumours, which now stands at 2.5-3.2 cases/100,000 children/year in the population under 15 years of age., Aims: To determine the real incidence of tumours affecting the CNS in Asturias and to describe their characteristics., Patients and Methods: Data were collected on patients under 15 years of age who had been diagnosed with a CNS tumour in any of the hospitals in the Community during the ten-year period 1999-2008., Results: The mean annual incidence of CNS tumours was 4.4 cases/100,000 children/year (range: 3.1-5.7). The mean time elapsed before a diagnosis was reached was 2.03 months. The clinical features at onset were focal neurological deficit in 58% of cases, followed by cerebellar symptoms (42%), headache (32%) and behavioural disorders (32%)., Conclusions: The incidence of tumours affecting the CNS found in children in Asturias is the highest of those recorded for this age bracket, the clinical features of these patients being similar to those in other studies. We seem to be before new data that confirms the claims of a growing incidence of these tumours.