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Objectives: Nutritional vitamin D supplements are often used in general pediatrics. Here, the aim is to address vitamin D supplementation and calcium nutritional intakes in newborns, infants, children, and adolescents to prevent vitamin D deficiency and rickets in general populations., Study Design: We formulated clinical questions relating to the following categories: the Patient (or Population) to whom the recommendation will apply; the Intervention being considered; the Comparison (which may be "no action," placebo, or an alternative intervention); and the Outcomes affected by the intervention (PICO). These PICO elements were arranged into the questions to be addressed in the literature searches. Each PICO question then formed the basis for a statement. The population covered consisted of children aged between 0 and 18 years and premature babies hospitalized in neonatology. Two groups were assembled: a core working group and a voting panel from different scientific pediatric committees from the French Society of Pediatrics and national scientific societies., Results: We present here 35 clinical practice points (CPPs) for the use of native vitamin D therapy (ergocalciferol, vitamin D 2 and cholecalciferol, vitamin D 3 ) and calcium nutritional intakes in general pediatric populations., Conclusion: This consensus document was developed to provide guidance to health care professionals on the use of nutritional vitamin D and dietary modalities to achieve the recommended calcium intakes in general pediatric populations. These CPPs will be revised periodically. Research recommendations to study key vitamin D outcome measures in children are also suggested., Competing Interests: Declaration of Competing Interest Dr. Tounian reports funding from CNIEL, Danone, Mead Johnson, Ménarini, Nestlé, NHS, Nutricia, Sodilac. The other authors have no relevant conflicts to disclose., (Copyright © 2022 The Author(s). Published by Elsevier Masson SAS.. All rights reserved.)

Introduction: The number of pediatric emergency consultations for psychological or psychiatric reasons continues to rise, raising the question of the adequacy of existing facilities. Our aim was therefore to identify and characterize a population of adolescents consulting at the pediatric emergency unit at Rouen university hospital., Methods: This study was conducted from 1 January to 31 December 2006. We distinguished three types of variables in adolescents consulting at the pediatric emergency unit. The main objective was to describe the profile and requirements of these young patients and their subsequent care management as compared to that of other studies., Results: Of the 400 patients consulting over 12years of age, 69% were female and the average age was 13.8years. These cases were mainly attempted suicide in girls and conduct disorder in boys; hospitalization was at the request of the family. These consultations were directly linked to the school calendar and 70% required hospitalization., Discussion: We both analyzed and compared the results of this study to those of other studies to propose solutions to improve the care of these young patients., (Copyright © 2013 Elsevier Masson SAS. All rights reserved.)

Aims: The aim of the study was to assess compliance with the current recommendations of prophylactic prescription of vitamin D via a multicentric cross-sectional epidemiological survey of 3240 children under 6 years of age., Method: Parent questionnaires and data from the health records of children presenting to the emergency departments of 25 teaching hospitals and hospital centers provided information on the children's characteristics, their prescriptions, and other vitamin D intake. Based on the currently applicable recommendations, intakes of 600-1,200 IU/day - 900-1500 IU/day for children with pigmented skin and/or premature and/or hypotrophic children - are considered adequate., Results: In 1606 infants, 9.8% of the prescriptions were below and 23.7% were above the recommendations; in 1256 children between 18 months and 5 years of age, 53.4% of the prescriptions were below and 5.1% were above the recommendations. Children at risk, those from the southern half of France, and those between 18 months and 5 years of age were more likely to receive a prescription below the recommendations; their risk of receiving a prescription above the recommended guidelines was smaller. Of the children aged between 61 and 71 months, 85% had not received any prescription at all during the previous 12 months. These results were compared with the laboratory data collected from a subsample of children. There was a significant correlation between the adequacy of the prescription and the biological vitamin D status both for 25-hydroxyvitamin D (25-OH-D) serological concentrations and for calciuria., Conclusions: Only 66.6% of the prescriptions in children between 0 and 18 months of age and 41.5% in children between 19 months and 5 years of age comply with the recommendations; 53.4% of the prescriptions in the latter age group are below the current recommendations., (Copyright © 2012. Published by Elsevier SAS.)

Since the 20 last years, the median age of survival has dramatically improved in children suffering from cystic fibrosis and complications such as growth retardation, pubertal delay and low bone mineral density are now more often than not observed in affected adolescents. The severity of the disease and the poor nutritional status due to pancreatic insufficiency and malabsorption are commonly implicated but recent data suggest that the disease could also play a role though the alteration of the chlore chanel (CFTR). Furthermore an increase prevalence of glucose intolerance and diabetes due to the progressive β cells destruction is observed in these children that make the life sometimes difficult for these adolescents already affected by an heavy chronic disease. The monitoring of the children should thus now become pluridisciplinary and include regular clinical evaluation of height and pubertal status, mineral bone density by DEXA and OGTT every two years since 10 years of age. Therefore, in addition to the standard treatment of cystic fibrosis is now added the vitamin D supplementation, the subcutaneous insulin therapy and may be the growth hormone that could be a new therapeutic demonstrating beneficial effects in these chronic disease. However further studies need to be performed to improve the management of these new endocrine complications more and more frequent in children and adolescents suffering from cystic fibrosis., (Copyright © 2012 Elsevier Masson SAS. All rights reserved.)

Adolescence, a period of growth and acquisition of bone mass, requires adequate calcium and vitamin D intake. This study was designed to assess the impact of a single loading dose of 200,000 IU of vitamin D(3) on the winter vitamin D status of healthy adolescents. Vitamin D status was assessed by 25-OH-D levels before, 3 weeks, and 3 months after this single dose, and safety was assessed by serum calcium and PTH and urinary calcium excretion in random samples from 27, 23, and 17 healthy adolescents derived from the same institution. The 25-OH-D peak value 2 weeks after the vitamin D supplement of 71-129 nmol/l (mean, 96 nmol/l), and a residual level at 3 months of 29-83 nmol/l (mean, 57 nmol/l) serum calcium and urinary calcium excretion expressed by the calcium/creatinine ratio were normal and stable at 2 weeks and 3 months, remaining less than 0.5 for the calcium/creatinine ratio. This simple measure, ensuring good compliance during adolescence, ensures optimal winter vitamin D status with no signs of overload., (Copyright (c) 2010 Elsevier Masson SAS. All rights reserved.)

Munchausen syndrome by proxy is a form of child abuse presenting as a disease produced or simulated by a parent, the mother in most cases. Its diagnosis is uneasy because of its miscellaneous and unusual clinical presentation and of the misleading apparently normal attitude of the parents. Physicians may participate in the abuse by insistently looking for diagnostic and therapeutic measures, therefore contributing to the significant mortality of the syndrome. It is therefore important that physicians consider Munchausen syndrome in any ambiguous situation in order to protect the child by an early diagnosis.