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OBJECTIVES: To investigate the association of growth patterns with overweight/obesity and markers of metabolic syndrome in ex-premature adolescents; to assess the relationship between the increase (1 SD) in Z-score weight at term and at 2 years with outcomes in adolescents with or without intrauterine growth restriction; and to evaluate the association between the Cook criteria and overweight/obesity according to body mass index. METHODS: Cohort, retrospective, analytical study. Population: adolescents born weighting<1,500 g. RESULTS: One hundred twenty-seven adolescents (11.3 years) were included. There is an association between the 1 SD increase in the percentile (Pc) of weight at 40 weeks and at 2 years in the population with adequate birth weight (PCA) with insulin levels, resistance, and sensitivity at 11 years. Catch-up at 2 years was associated with significantly higher proportion of HDL value<41 (18.75 vs. 5.36 %) OR 4.08 95% CI (1.04-16.05) p=0.031. Overweight/obesity was associated with waist circumference index>0.5, HDL<41, and with blood pressure greater than Pc 90 for sex and height. CONCLUSIONS: In preterm infants, a 1 SD increase in weight Z score at 40 weeks and 2 years was predictive of metabolic and cardiovascular disorders in adolescence.

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It has been estimated that between 25% and 40% of healthy children show symptoms of feeding difficulties (FDs) during their growth and development; many times, these are not adequately diagnosed. The objective of this study was to conduct a narrative review that collected the available information on feeding difficulties. Assessment and management algorithms were developed based on the bibliographic evidence. Most feeding problems in young children (feeding selectivity, loss of appetite, fear of feeding) are often concurrent, and a clinical risk assessment is necessary to plan an individualized intervention. Having standardized definitions and common terms to address these difficulties in an appropriate and multidisciplinary manner is one of the ways to optimize their treatment. The involvement of different health care providers and parents is critical to address feeding difficulties.

Se estima que entre el 25 % y el 40 % de los niños sanos presentan algún síntoma de dificultad alimentaria (DA) durante su crecimiento y desarrollo, y muchas veces no son adecuadamente diagnosticadas. El propósito de este trabajo consistió en realizar una revisión narrativa que reuniera la información disponible sobre las dificultades alimentarias. Se desarrollaron algoritmos de evaluación y abordaje a partir de la evidencia en la literatura. La mayoría de los problemas de alimentación en los niños pequeños (selectividad alimentaria, falta de apetito, miedo a la alimentación) a menudo coexisten y es necesario evaluar el riesgo clínico para planificar una intervención individualizada. Contar con definiciones estandarizadas y terminología común para abordar estas dificultades de manera adecuada y multidisciplinaria es uno de los caminos para optimizar su tratamiento. Involucrar a los diferentes profesionales de la salud y a los padres es fundamental para abordar las dificultades alimentarias.

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Las dificultades en la alimentación tienen una prevalencia significativa en niños/as con desarrollo típico y aumentan, significativamente, cuando existen condiciones de salud comórbidas, siendo ésta una de las preocupaciones más frecuentes en la consulta pediátrica. La falta de una detección oportuna puede impactar de forma negativa en la salud integral de las niñeces. El objetivo de este trabajo es describir el abordaje que se realizó en niños/as que presentaron trastornos alimentarios pediátricos con impacto nutricional severo en el contexto de la "Clínica interdisciplinaria de deglución y conducta alimentaria" que funciona en un hospital público en la Ciudad Autónoma de Buenos Aires, Argentina. Se llevó a cabo un estudio de carácter descriptivo y retrospectivo. Se incluyeron en la muestra final a 16 familias. Los niños/as comprendían una franja etaria de 2 a 13 años. Los motivos de internación más prevalentes fueron impotencia funcional de miembros inferiores y alteraciones visuales. Un 93,75% de la población presentaba desafíos en su desarrollo. La edad promedio de aparición de las dificultades en la alimentación fue entre los 12 y 18 meses de edad. Un 56,25% había consultado, anteriormente, con algún profesional de la salud. El 56,25% no contaba con los apoyos terapéuticos adecuados. El 100% tenía dificultades en la conformación de rutinas. Los trastornos alimentarios pediátricos constituyen un fuerte desafío para el equipo de salud. La detección precoz, las intervenciones oportunas y el enfoque centrado en la familia son fundamentales para evitar complicaciones severas y propiciar un vínculo placentero a la hora de comer.

Pediatric feeding disorders (PFD) have a significant prevalence in typical development children and increase drastically when there are comorbilities health conditions. PFD are one of the most frequent concerns in pediatric consultant. The lack of accured detection can negatively impact the comprehensive health of children. The objective of this article is to describe the approach that was carried out in children and adolescents who presented pediatric feeding disorders with severe nutritional impact in the context of the "Interdisciplinary Swallowing and feeding team" that operates in a public hospital in the City from Buenos Aires, Argentina. A descriptive and retrospectivestudy was carried out. 16 families were included in the final sample. The children included an age range of 2 to 13 years. The most prevalentreasons for hospitalization were functional impotence of the lower limbs and visual alterations. 93.75% of the population presented challenges in their development. The average age of onset of feeding difficulties was between 12 and 18 months of age. 56.25% had previously consulted with a health professional. 56.25% did not have adequate therapeutic support. 100% had difficulties in forming routines. Pediatric Feeding Disorders (PFD) constitute a strong challenge for the health team, so awareness and training on this topic is essential. Early detection, timely interventions, and a family-centered approach are essential to avoid severe complications and promote a pleasant mealtime for all

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BACKGROUND: The aim of this study was to describe factors related to the infant, mother, and breastmilk composition that may be associated with excessive weight gain in a cohort of exclusively breastfed infants younger than 6 months of life with excessive weight gain, and to compare these findings with data from a group of normal-weight exclusively breastfed infants. METHODS: Thirty-six exclusively breastfed infants younger than 6 months of life seen at two health-care centers between July 2016 and 2017 were enrolled in the study. The clinical features of the infants, their mothers, and the macronutrient composition of the breast milk were evaluated. We classified infants according to weight gain velocity between birth and 6 months of life into an excessive weight gain (EWG) and an adequate weight gain (AWG) group. RESULTS: Mean age at protocol entry was 3.8 months. Thirteen patients were classified as EWG and 23 patients as AWG. Co-sleeping was more often observed in EWG than in AWG infants. Mothers in the EWG group were younger and more often had gained more than 18 kg during pregnancy than those in the AWG group. No significant differences were found in the macronutrient content of the breast milk between both groups. CONCLUSIONS: Greater weight gain in infants under 6 months of age may be related to greater weight gain of the mother during pregnancy, younger age of the mother, and co-sleeping of the mother and child.

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Intestinal failure secondary to short bowel syndrome in pediatrics, is a rare condition with high morbimortality. A follow up multidisciplinary team is necessary to minimize complications and optimize the intestinal rehabilitation. There are no gold standard guidelines for the management of this group of complex patients. The development of clinical guidelines may contribute for an adequate management of patients with intestinal failure and short bowel syndrome. This Clinical Guideline for the Management was developed by 16 experts based on modified Delphi methodology. The meetings were held at the Argentinian Association of Enteral and Parenteral Nutrition (Asociación Argentina de Nutrición Enteral y Parenteral); the topics analyzed were definitions, epidemiology, enteral and parenteral nutrition, pharmacological and surgical treatments, and criteria for referring patients to intestinal rehabilitation centers. The document is aimed to provide basic scientific knowledge for medical institutions, health providers, healthcare providers, patients and families.

La falla intestinal secundaria a síndrome de intestino corto en pediatría es una entidad poco frecuente, de alta morbimortalidad. Requiere de un equipo interdisciplinario para su abordaje, lo cual ha demostrado que disminuye la morbimortalidad y aumenta la posibilidad de que los pacientes logren la autonomía intestinal. Existe una falta de evidencia científica en diferentes abordajes de la patología. Consideramos necesario el desarrollo de esta Guía para el Manejo Clínico construida sobre la base de la metodología Delphi modificada, en la Asociación Argentina de Nutrición Enteral y Parenteral, por 16 expertos que se reunieron para discutir y consensuar los principales aspectos de tratamiento clínico. Se analizaron 4 aspectos: definiciones y epidemiología; nutrición enteral, nutrición parenteral; tratamientos farmacológicos y quirúrgicos, y criterios de derivación a centros de alta complejidad. Sin duda este documento será de utilidad para los pacientes, los profesionales y las instituciones, así como para los diferentes financiadores del sistema de salud.

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There is little data on the experience of managing pediatric Intestinal Failure (IF) in Latin America. This study aimed to identify and describe the current organization and practices of the IF teams in Latin America and the Caribbean. An online survey was sent to inquire about the existence of IF teams that managed children on home parenteral nutrition (HPN). Our questionnaire was based on a previously published European study with a similar goal. Twenty-four centers with pediatric IF teams in eight countries completed the survey, representing a total number of 316 children on HPN. The median number of children on parenteral nutrition (PN) at home per team was 5.5 (range 1-50). Teams consisted of the following members: pediatric gastroenterologist and a pediatric surgeon in all teams, dietician (95.8%), nurse (91.7%), social worker (79.2%), pharmacist (70.8%), oral therapist (62.5%), psychologist (58.3%), and physiotherapist (45.8%). The majority of the centers followed international standards of care on vascular access, parenteral and enteral nutrition, and IF medical and surgical management, but a significant percentage reported inability to monitor micronutrients, like vitamins A (37.5%), E (41.7%), B1 (66.7%), B2 (62.5%), B6 (62.5%), active B12 (58.3%); and trace elements-including zinc (29.2%), aluminum (75%), copper (37.5%), chromium (58.3%), selenium (58.3%), and manganese (58.3%). Conclusion: There is wide variation in how IF teams are structured in Latin America-while many countries have well-established Intestinal rehabilitation programs, a few do not follow international standards. Many countries did not report having an IF team managing pediatric patients on HPN.

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La falla intestinal secundaria a síndrome de intestino corto en pediatría es una entidad poco frecuente, de alta morbimortalidad. Requiere de un equipo interdisciplinario para su abordaje, lo cual ha demostrado que disminuye la morbimortalidad y aumenta la posibilidad de que los pacientes logren la autonomía intestinal. Existe una falta de evidencia científica en diferentes abordajes de la patología. Consideramos necesario el desarrollo de esta Guía para el Manejo Clínico construida sobre la base de la metodología Delphi modificada, en la Asociación Argentina de Nutrición Enteral y Parenteral, por 16 expertos que se reunieron para discutir y consensuar los principales aspectos de tratamiento clínico. Se analizaron 4 aspectos: definiciones y epidemiología; nutrición enteral, nutrición parenteral; tratamientos farmacológicos y quirúrgicos,y criterios de derivación a centros de alta complejidad. Sin duda este documento será de utilidad para los pacientes, los profesionales y las instituciones, así como para los diferentes financiadores del sistema de salud.

Intestinal failure secondary to short bowel syndrome in pediatrics, is a rare condition with high morbimortality. A follow up multidisciplinary team is necessary to minimize complications and optimize the intestinal rehabilitation. There are no gold standard guidelines for the management of this group of complex patients. The development of clinical guidelines may contribute for an adequate management of patients with intestinal failure and short bowel syndrome. This Clinical Guideline for the Management was developed by 16 experts based on modified Delphi methodology. The meetings were held at the Argentinian Association of Enteral and Parenteral Nutrition (Asociación Argentina de Nutrición Enteral y Parenteral); the topics analyzed were definitions, epidemiology, enteral and parenteral nutrition, pharmacological and surgical treatments, and criteria for referring patients to intestinal rehabilitation centers. The document is aimed to provide basic scientific knowledge for medical institutions, health providers, healthcare providers, patients and families.

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Introducción: El mielomeningocele es un defecto congénito con cierre incompleto del tubo neural. Presenta alteraciones en la composición corporal y alta prevalencia de obesidad. Es difícil detectar el indicador más apropiado para diagnóstico nutricional por impresición de las medidas antropométricas. Objetivo: Describir en una población de pacientes con mielomeningocele seguidos en el "Hospital Garrahan", la composición corporal, gasto energético en reposo y trastornos metabólicos, comparando los pacientes con mielomeningocele obesos con una población control con obesidad multifactorial. Población y Métodos: Se realizó antropometría, impedanciometría, pliegues cutáneos, perímetro braquial, calorimetría indirecta y determinaciones bioquímicas a todos los pacientes con mielomeningocele entre junio/2013-abril/2014, previa firma del Consentimiento Informado. Resultados: Se evaluaron 131 pacientes de 0,718,6 años, clasificados según Score-Z de Índice de Masa Corporal en 15% bajo peso, 42% normopeso, 12% sobrepeso y 31% obesidad. Se encontró alta correlación (r²0,74) entre %masa grasa por impedanciometría vs calculado con pliegues cutaneos. Los pacientes con % masa grasa elevada vs %masa grasa normal tuvieron mayor score-Z de Indice de Masa Corporal (1,07 vs -0,27 p0,0001) aunque ambos valores se encontraban dentro de parámetros normales. Hubo menor gasto energético en reposo en los pacientes con mielomeningocele obesos comparado con el esperado y con obesos multifactoriales. Conclusiones: Se encontró alto porcentaje de sobrepeso/obesidad en la población con mielomeningocele. Los pliegues cutáneos serían más apropiados para detectar obesidad. Los pacientes con mielomeningocele obesos presentaron gasto energetico en reposo menor al esperado y a los controles. La indicación de energía debe ser personalizada.

Introduction. Myelomeningocele is a congenital defect that occurs when the neural tube fails to close completely. It causes body composition alterations and a high prevalence of obesity. It is difficult to detect the most adequate indicator for a nutritional diagnosis due to the impossibility of recording accurate anthropometric measurements. Objective. To describe body composition, resting energy expenditure and metabolic disorders in a population of patients with myelomeningocele managed at "Hospital Garrahan" by comparing obese patients with myelomeningocele and a control population with multifactorial obesity. Population and methods. An anthropometry, an impedance analysis, skinfold equations, arm circumference equations, indirect calorimetry, and biochemical determinations were done to all patients with myelomeningocele between June 2013 and April 2014, once the informed consent had been signed. Results. 131 patients aged 0.7-18.6 years were assessed; they were classified according to their body mass index Z-score into low weight (15%), normal weight (42%), overweight (12%), and obese (31%). A high correlation (r: 20.74) was observed between the fat mass % measured by impedance analysis versus that estimated using skinfolds. Patients with a high fat mass % had a higher body mass index Z-score than those with a normal fat mass % (1.07 versus -0.27, p: 0.0001) although both values were within normal parameters. A lower resting energy expenditure was observed among obese patients with myelomeningocele than predicted and in comparison with multifactorial obese controls. Conclusions. A high percentage of overweight/obesity was found in the population with myelomeningocele. Skinfold equations would be more adequate to detect obesity. Obese patients with myelomeningocele had a lower resting energy expenditure than predicted and in comparison with controls. Energy indication should be customized.

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INTRODUCTION: Myelomeningocele is a congenital defect that occurs when the neural tube fails to close completely. It causes body composition alterations and a high prevalence of obesity. It is difficult to detect the most adequate indicator for a nutritional diagnosis due to the impossibility of recording accurate anthropometric measurements. OBJECTIVE: To describe body composition, resting energy expenditure and metabolic disorders in a population of patients with myelomeningocele managed at "Hospital Garrahan" by comparing obese patients with myelomeningocele and a control population with multifactorial obesity. POPULATION AND METHODS: An anthropometry, an impedance analysis, skinfold equations, arm circumference equations, indirect calorimetry, and biochemical determinations were done to all patients with myelomeningocele between June 2013 and April 2014, once the informed consent had been signed. RESULTS: 131 patients aged 0.7-18.6 years were assessed; they were classified according to their body mass index Z-score into low weight (15%), normal weight (42%), overweight (12%), and obese (31%). A high correlation (r: 20.74) was observed between the fat mass % measured by impedance analysis versus that estimated using skinfolds. Patients with a high fat mass % had a higher body mass index Z-score than those with a normal fat mass % (1.07 versus -0.27, p: 0.0001) although both values were within normal parameters. A lower resting energy expenditure was observed among obese patients with myelomeningocele than predicted and in comparison with multifactorial obese controls. CONCLUSIONS: A high percentage of overweight/obesity was found in the population with myelomeningocele. Skinfold equations would be more adequate to detect obesity. Obese patients with myelomeningocele had a lower resting energy expenditure than predicted and in comparison with controls. Energy indication should be customized.

INTRODUCCIÓN: El mielomeningocele es un defecto congénito con cierre incompleto del tubo neural. Presenta alteraciones en la composición corporal y alta prevalencia de obesidad. Es difícil detectar el indicador más apropiado para diagnóstico nutricional por impresición de las medidas antropométricas. OBJETIVO: Describir en una población de pacientes con mielomeningocele seguidos en el "Hospital Garrahan", la composición corporal, gasto energético en reposo y trastornos metabólicos, comparando los pacientes con mielomeningocele obesos con una población control con obesidad multifactorial. POBLACIÓN Y MÉTODOS: Se realizó antropometría, impedanciometría, pliegues cutáneos, perímetro braquial, calorimetría indirecta y determinaciones bioquímicas a todos los pacientes con mielomeningocele entre junio/2013-abril/2014, previa firma del Consentimiento Informado. RESULTADOS: Se evaluaron 131 pacientes de 0,718,6 años, clasificados según Score-Z de Índice de Masa Corporal en 15% bajo peso, 42% normopeso, 12% sobrepeso y 31% obesidad. Se encontró alta correlación (r20,74) entre %masa grasa por impedanciometría vs calculado con pliegues cutaneos. Los pacientes con % masa grasa elevada vs %masa grasa normal tuvieron mayor score-Z de Indice de Masa Corporal (1,07 vs -0,27 p0,0001) aunque ambos valores se encontraban dentro de parámetros normales. Hubo menor gasto energético en reposo en los pacientes con mielomeningocele obesos comparado con el esperado y con obesos multifactoriales. CONCLUSIONES: Se encontró alto porcentaje de sobrepeso/obesidad en la población con mielomeningocele. Los pliegues cutáneos serían más apropiados para detectar obesidad. Los pacientes con mielomeningocele obesos presentaron gasto energetico en reposo menor al esperado y a los controles. La indicación de energía debe ser personalizada.

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Introducción: La lactancia materna es recomendada como fuente de alimentación optima para los primeros meses de vida. En nuestro Servicio hemos recibido un grupo particular de niños alimentados con lactancia materna exclusiva, que muestran aumento excesivo de peso desde el primer semestre de vida. Objetivo: describir las características clínicas de un grupo de lactantes menores de un año, con aumento excesivo de peso y alimentación con lactancia materna. Población y métodos: estudio observacional, prospectivo y longitudinal. Incluimos todos los niños menores de un año derivados al servicio de Nutrición entre 2003 y 2015, con lactancia materna exclusiva durante los primeros 6 meses, persistencia de la misma al momento de la evaluación y peso- edad mayor a 2 desvíos estándar (DS). Describimos características clínicas y de laboratorio de los lactantes y sus madres, así como el patrón alimentario que pudiera explicar esta inusual ganancia de peso. Resultados: incluimos 73 lactantes, 63% niñas. El 64% tenía peso-talla mayor a 2DS a los 3 meses de vida y el 100% a los 6 meses. No se pudo establecer patrón hambresaciedad. El 44% de las madres aumentó más de 18 kilogramos durante el embarazo. Las niñas nacidas de las madres que habían aumentado más de 18 Kg fueron significativamente más grandes al nacer. En el 14% de los lactantes se encontró alguna enfermedad de base. De toda la muestra, el 75% presentó anemia y el 14.5% hipotiroidismo. Conclusiones: describimos un grupo de lactantes con aumento excesivo de peso desde los primeros 3 meses de vida que se mantiene durante toda la etapa de lactancia materna. Diferentes factores como relación madre-hijo, patrón alimentario, composición de la leche humana, predisposición genética; podrían haber contribuido con este patrón de crecimiento.(AU)

Introduction: Maternal breastfeeding is recommended as the best source of nutrition in the first months of life. At our Department we have seen a group of exclusively breastfed children who showed excessive weight since the first semester of life. Objective: To describe the clinical features of a group of infants under one year of age with excessive weight gain while being breast-fed. Population and methods: A prospective, longitudinal, observational study was conducted. We included all infants under one year of age who were referred to the Department of Nutrition between 2003 and 2015, who were exclusively breastfed during the first 6 months of life and were still being breastfed at the moment of the evaluation, and who had a weight-for-age of more than 2 standard deviation (SD). We describe the clinical and laboratory features of the infants and their mothers, as well as feeding patterns that may explain this unusual weight gain. Results: We included 73 infants, 63% girls. Overall, 64% had a weight-for-height greater than 2 SD at 3 months of life and 100% at 6 months of life. No hunger-satiety pattern could be established. Of the mothers, 44% gained more than 18 kg during the pregnancy. The girls born from mothers who had increased more than 18 Kg were significantly larger at birth. In 14% of the infants, an underlying disease was found. Of all the infants in the sample, 75% had anemia and 14.5% hypothyroidism. Conclusions: We describe a group of infants with excessive weight gain in the first 3 months of life which was maintained throughout the maternal breastfeeding period. Different factors, such as the motherchild relationship, feeding pattern, human milk composition, and genetic predisposition may have contributed to this particular growth pattern. (AU)

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