MicroRNA Dysregulation in Early Breast Cancer Diagnosis: A Systematic Review and Meta-Analysis.

Breast cancer continues to be the leading cause of death in women worldwide. Mammography, which is the current gold standard technique used to diagnose it, presents strong limitations in early ages where breast cancer is much more aggressive and fatal. MiRNAs present in numerous body fluids might represent a new line of research in breast cancer biomarkers, especially oncomiRNAs, known to play an important role in the suppression and development of neoplasms. The aim of this systematic review and meta-analysis was to evaluate dysregulated miRNA biomarkers and their diagnostic accuracy in breast cancer. Two independent researchers reviewed the included studies according to the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines. A protocol for this review was registered in PROSPERO with the registration number "CRD42021256338". Observational case-control-based studies analyzing concentrations of microRNAs which have been published within the last 10 years were selected, and the concentrations of miRNAs in women with breast cancer and healthy controls were analyzed. Random-effects meta-analyses of miR-155 were performed on the studies which provided enough data to calculate diagnostic odds ratios. We determined that 34 microRNAs were substantially dysregulated and could be considered biomarkers of breast cancer. Individually, miR-155 provided better diagnostic results than mammography on average. However, when several miRNAs are used to screen, forming a panel, sensitivity and specificity rates improve, and they can be associated with classic biomarkers such us CA-125 or CEA. Based on the results of our meta-analysis, miR-155 might be a promising diagnostic biomarker for this patient population.

Physical Exercise to Improve Functional Capacity: Randomized Clinical Trial in Bariatric Surgery Population.

Background: Bariatric surgery is a safe and effective method to lose weight over time. However, some patients fail to achieve healthy weight losses. We aimed to determine if a moderate-intensity physical exercise intervention in patients who underwent bariatric surgery increases their functional capacity thus improving bariatric surgery results. Methods: We conducted a parallel-group non-blinded randomized controlled trial at a surgery clinic in Talca, Chile. A total of 43 participants with obesity and scheduled bariatric surgery completed the six months follow-up. A physical exercise program was conducted in exercise group participants one month after bariatric surgery. Walked distance in the six-minute walk test, BMI, Borg scale of perceptive exertion results and cardiovascular variables were evaluated. Results: Patients' weight significantly decreased after bariatric surgery but there was no difference between the groups of study. The exercise group progressed from a base value of 550 ± 75 m walked in the six-minute walk test to a sixth-month value of 649.6 ± 68.5 m (p < 0.05), whilst the control group yielded base values of 554.4 ± 35.1 and a sixth-month walked distance of 591.1 ± 75.34 (p > 0.05). Conclusions: Physical exercise in obese patients undergoing bariatric surgery increased functional capacity independently of weight losses resulting from bariatric surgery.

Influence of an Educational Intervention on Eating Habits in School-Aged Children.

A health promotion intervention directed at preventing unhealthy habits in relation to physical exercise, hygiene habits, diet and personal relationships can lead to a decrease in diseases during adulthood and obtaining a better quality of life. The intervention had a participative and multidisciplinary nature, and it was developed by health professionals, teachers and parents for school children. It promoted healthy lifestyle habits around food by working on four areas through video lessons, interactive talks, practical and theoretical−practical classes and an individual project on behalf of the student where they had to design healthy menus. We randomly selected, by stratified multistage sampling, three public primary education schools. A sample of 479 students registered during the 2014/2015 academic year aged between 6−12 years were included in the study. After the educational intervention, we found a significant reduction in the BMI of the students (p < 0.001). For breakfast, the overweight or obese children modified their usual food consumption after the intervention for a healthier breakfast based on fruit juice and bread instead of sugary snacks (p < 0.001). Regarding eating habits during the mid-morning break, there was a decrease in the consumption of sugary snacks (p < 0.001) and an increase in the consumption of fruits and sandwiches. We found that, after the intervention, the excessive consumption of pasta for the main meal reduced in favor of an increase in the consumption of proteins and different beans and pulses (p > 0.001). Educational interventions on healthy lifestyle habits carried out in children during their early years improve and correct unhealthy habits.

Effects of physical activity on quality of life in overweight and obese children.

INTRODUCTION: Background: in recent years the prevalence of obesity in infants, children, and adolescents has increased alarmingly, which may affect their health, educational level, and quality of life. Objectives: the aim of this study was to determine whether a program with physical activity and nutritional recommendations may improve health-related quality of life (HRQL) in overweight and obese children. Material and methods: the design of this study was that of a randomized clinical trial (RCT). The sample consisted of 54 children with a median age of 10.65 years, all of them overweight or obese. They were divided into a study (SG) and a control (CG) group, with 27 children each. The study group received physical activity and nutritional advice, while the control group only received theoretical-practical sessions on nutrition during 9 months. Families participated in the workshops on nutritional recommendations in both groups. Results: there was a significant difference in fat percentage before and after the intervention in the study group compared to the children who did not engage in sports activity. In the SF-10 quality-of-life perception questionnaire, statistically significant differences in both the physical and mental components may be seen at the end of the study between both groups (p < 0.001). Conclusions: an educational intervention with physical activity based on play and nutritional advice improved quality of life in overweight and obese children. Family involvement is vital for children to improve their life habits, and achieve favorable results in the reduction of overweight and obesity.

INTRODUCCIÓN: Introducción: en los últimos años, la prevalencia de la obesidad en los bebés, niños y adolescentes ha aumentado de forma alarmante, lo que podría afectar a su salud, nivel educativo y calidad de vida. Objetivos: el objetivo de este estudio fue determinar si un programa con actividad física y recomendaciones nutricionales puede mejorar la calidad de vida relacionada con la salud (CVRS) en niños con sobrepeso y obesidad. Material y métodos: el diseño de este estudio fue el de un ensayo clínico aleatorizado (ECA). La muestra consistió en 54 niños de 10,65 años de edad mediana con sobrepeso u obesidad. Se dividieron en grupos de estudio (SG) y de control (CG), ambos con 27 niños. El grupo de estudio recibió actividad física y asesoramiento nutricional mientras que el grupo de control solo recibió las sesiones de nutrición teórico-prácticas durante 9 meses. Las familias participaron en los talleres sobre recomendaciones nutricionales en ambos grupos. Resultados: hubo una diferencia significativa en el porcentaje de grasa antes y después de la intervención en el grupo de estudio en comparación con los niños que no participaron en la actividad deportiva. En el cuestionario de calidad de vida SF-10 se puede observar que existen diferencias estadísticamente significativas en los componentes físicos y mentales al final del estudio entre ambos grupos (p < 0,001). Conclusiones: una intervención educativa con actividad física basada en el juego y asesoramiento nutricional mejoró la calidad de vida de estos niños obesos y con sobrepeso. La participación familiar es vital para que los niños mejoren sus hábitos de vida y logren resultados favorables en la reducción del sobrepeso y la obesidad.

Influence of Physical Activity on Blood Pressure in Children With Overweight/Obesity: A Randomized Clinical Trial.

BACKGROUND: The prevalence of childhood hypertension (HT) is growing exponentially, influenced by environmental factors such as foods with high salt content, sedentary lifestyles, and poor-quality food. The incidence of HT is about 10.4% in well-nourished children, but when associated with obesity or overweight, this can rise to 38% and 68%, respectively. To assess the influence of physical activity on the blood pressure (BP) of children who are overweight or obese. METHODS: This randomized clinical trial was carried out in Granada (Spain), from October 2015 to June 2016. The sample consisted of 98 children, all of whom were overweight or obese. The intervention group (IG) (n = 49) practised physical activity and received nutritional advice, while the control group (n = 49) only received theoretical-practical sessions on nutrition. Body composition was measured, a nutritional assessment was made and BP was determined (in percentiles, to avoid the misclassification of children who are located at the extremes of normal growth). RESULTS: Before the physical activity intervention, 85.7% of the children in the IG (with overweight/obesity) were in the 95th or higher percentile for BP, a situation representative of high BP (HT). However, by the end of the study period, this value had decreased significantly (P = 0.001), to 16.13%. CONCLUSIONS: Childhood obesity is a risk factor for HT. Physical activity, together with nutritional advice, effectively reduces BP in children who are overweight or obese. The use of percentiles, according to age, weight, and height, is an effective means of measuring BP. CLINICAL TRIALS REGISTRATION: This study is registered at https://www.clinicaltrials.gov (identifier NCT02779647).

A Comparison of Changes in the Fatty Acid Profile of Human Milk of Spanish Lactating Women during the First Month of Lactation Using Gas Chromatography-Mass Spectrometry. A Comparison with Infant Formulas.

Breastfeeding is the ideal way to provide infants with the nutrients they need for healthy growth and development. Milk composition changes throughout lactation, and fat is one of the most variable nutrients in human milk. The aim of this study was to determine the main differences between the fatty acid (FA) profile of human milk samples (colostrum, transitional, and mature milk group) and infant formulas. Human milk samples were provided by lactating women from Granada. Moreover, different commercial infant formulas were analyzed. FAs were determined using gas chromatography coupled with mass spectrometry. According to the results, oleic acid was the predominant monounsaturated fatty acid (41.93% in human milk and 43.53% in infant formulas), while palmitic acid was the most representative saturated fatty acid (20.88% in human milk and 23.09% in infant formulas). Significant differences were found between human milk groups and infant formulas, mainly in long-chain polyunsaturated FAs (LC-PUFAs). The content of araquidonic acid (AA) and docoxahexaenoic acid (DHA) was higher in human milk (0.51% and 0.39%, respectively) than in infant formulas (0.31% and 0.22%, respectively). Linoleic acid (LA) percentage (15.31%) in infant formulas was similar to that found in human milk (14.6%). However, α-linolenic acid (ALA) values were also much higher in infant formulas than in human milk (1.64% and 0.42%, respectively).

Assessment of the Technique of Breastfeeding in Babies with Down Syndrome / Valoración de la técnica de amamantamiento en bebés con síndrome de Down / Avaliação da técnica de amamentação em bebês com síndrome de Down

ABSTRACT Objective: To evaluate the technique and duration of breastfeeding in healthy children and children with Down Syndrome (DS) using the breastfeeding observation form. Materials and methods: An observational study of a prospective cohort was carried out at the Clinical Hospital of Granada during 2015. The Study Group consisted of 40 children with DS and the control group was formed by each new-born with DS and a healthy new-born with the same characteristics of weight and gestational age was selected. The new-borns evaluated shared housing with the mother where the technique was valued during the first 5 days postpartum by a health professional. A bivariable analysis was performed to compare the groups using Student's T test for numerical variables and chi-square for categorical variables. Results: Lactogenesis onset was earlier in the DS group (92.5 % in the first 24 hours vs 20 %; p <0.001). It was observed that 60 % of the healthy children were breastfed for more than three months while in the group of babies with DS this time period was 47.5 %. Conclusions: The results of this study reveal that the breastfeeding technique presented at the beginning more difficulties in mothers of children with DS and it has been shown that technical errors influence the onset and duration of breastfeeding in mothers of these children.

RESUMEN Objetivo: evaluar la técnica y la duración de la lactancia materna (LM) en niños sanos y en niños con síndrome de Down (SD), a través del Formulario de observación del amamantamiento. Materiales y métodos: se realizó un estudio observacional de cohorte prospectivo en el Hospital Clínico de Granada, a finales de 2015. El grupo de estudio estuvo constituido por cuarenta pacientes con SD, y el grupo control se conformó por niños recién nacidos con dicha alteración y, en la misma cantidad, por niños sanos, con las mismas características de peso y edad gestacional. Los recién nacidos evaluados estuvieron en una habitación conjunta con la madre, donde el personal sanitario valoró la técnica durante los primeros cinco días posparto. Se realizó un análisis bivariante para comparar los grupos, utilizando el test t de Student para las variables numéricas, y el chi-cuadrado, para las categóricas. Resultados: la lactogénesis se produjo primero en el grupo sin SD (92,5 % en las primeras 24 horas vs 20 %; p<0,001). Se observó que el 60 % de los niños sanos mantuvieron la LM por más de tres meses, mientras que el grupo de bebés con SD logró en este tiempo el 47,5%. Conclusiones: la LM presentó, al inicio, más dificultades en las madres de niños con SD. Los errores técnicos influyen en el inicio y en el mantenimiento de la LM en las madres de estos niños.

RESUMO Objetivo: avaliar a técnica e a duração do aleitamento materno em crianças saudáveis ​​e crianças com síndrome de Down (SD), com a utilização do formulário de observação do aleitamento materno. Materiais e métodos: estudo de coorte prospectivo observacional, realizado no Hospital Clínico de Granada, em 2015. O grupo de estudo foi composto por 40 pacientes com SD e o grupo controle formado por recém-nascidos com essa alteração e com crianças saudáveis, considerando as mesmas características de peso e idade gestacional. Os recém-nascidos avaliados estavam em um quarto conjunto com a mãe, onde a técnica foi avaliada durante os primeiros cinco dias pós-parto pela equipe médica. Uma análise bivariada foi realizada para comparar os grupos, utilizando o teste t de Student para as variáveis numéricas e o qui-quadrado para as variáveis categóricas. Resultados: a lactogênese ocorreu primeiramente no grupo sem SD (92,5 % nas primeiras 24 horas vs 20 %; p <0,001). Tornou-se evidente que 60 % das crianças saudáveis mantiveram a amamentação por mais de três meses, enquanto no grupo de bebês com SD, esse tempo foi de 47,5 %. Conclusões: os resultados deste estudo revelam que a técnica de amamentação apresentou no início mais dificuldades em mães de crianças com SD e demonstrou que erros técnicos influenciam o início e a manutenção do aleitamento materno em mães dessas crianças.

Physical Exercise and Grip Strength in Patients Intervened through Bariatric Surgery / Ejercicio físico y fuerza de agarre en pacientes intervenidos de cirugía bariátrica / Exercício físico e força muscular em pacientes submetidos à cirurgia bariátrica

ABSTRACT Objective: This work sought to evaluate a physical exercise program of moderate intensity in patients operated of bariatric surgery and its influence on muscle strength. Method: Randomized clinical trial, with an intervention group and a control group. Forty three patients were operated of bariatric surgery. The intervention group was applied a program of moderate physical activity during six months. Grip strength and bioimpedance were measured at their baseline form, at one month, and six months after surgery. A bivariate study was conducted to observe variable changes. Results: Upon conducting Student´s t for independent samples in all the variables (weight, body mass index, grip strength, lean mass, fat mass, and metabolism), the result is that no significant differences exist between the intervention group and the control group with p > 0.05. Conclusion: A program of moderate physical activity lasting six months in patients intervened of bariatric surgery has no significant result in the development of muscle mass evaluated through manual dynamometry and bioimpedance.

RESUMEN Objetivo: evaluar un programa de ejercicio físico de intensidad moderada en pacientes operados de cirugía bariátrica y su influencia en la fuerza muscular. Método: ensayo clínico aleatorizado, con un grupo de intervención y un grupo control. Cuarenta y tres pacientes fueron operados de cirugía bariátrica. Al grupo de intervención se le aplicó un programa de actividad física moderada durante seis meses. La fuerza de agarre y la bioimpedancia se midieron en su forma basal, al mes y a los seis meses después de la cirugía. Se realizó un estudio de bivariante para observar los cambios de las variables. Resultados: al realizar la prueba de t de student para muestras independientes en todas las variables (peso, índice de masa corporal, fuerza de agarre, masa magra, masa grasa y metabolismo), el resultado es que no hay diferencias significativas entre el grupo de intervención y el grupo control con p>0,05. Conclusión: un programa de actividad física moderado de seis meses de duración en pacientes intervenidos de cirugía bariátrica no tiene resultados significantes en el desarrollo de la masa muscular evaluada a través de la dinamometría manual y la bioimpedancia.

RESUMO Objetivo: avaliar um programa de exercício físico de intensidade moderada em pacientes submetidos à cirurgia bariátrica e sua influência na força muscular. Materiais e método: ensaio clínico randomizado, com um grupo de intervenção e um grupo controle. Quarenta e três pacientes foram operados de cirurgia bariátrica. Ao grupo de intervenção, foi aplicado um programa de atividade física moderada durante seis meses. A força muscular e a bioimpedância foram medidas em sua forma basal em um mês e aos seis meses depois da cirurgia. Foi realizado um estudo de bivariante para observar as mudanças das variáveis. Resultados: ao realizar o teste t de Student para amostras independentes em todas as variáveis (peso, índice de massa corporal, força muscular, massa magra, massa gordurosa e metabolismo), não se verificam diferenças significativas entre o grupo de intervenção e o grupo controle com p > 0,05. Conclusão: um programa de atividade física moderada de seis meses de duração em pacientes submetidos à cirurgia bariátrica não apresenta resultados significantes no desenvolvimento da massa muscular avaliada por meio da dinamometria manual e da bioimpedância.

Quality of life during pregnancy and its influence on oral health: a systematic review / Calidad de vida durante el embarazo y su influencia en la salud bucal: una revisión sistemática

Abstract: Objective: To perform a systematic review of scientific literature on the impact of oral health on the quality of life of pregnant women. Methods: A systematic search following PRISMA guidelines was carried out and 16 specific articles/studies on the subject were selected. Results: Pregnant women's quality of life (QoL) is related to age, number of pregnancies, pain, difficulty eating and presence of dental caries. Quality of life was directly related to oral health. Conclusions: It was found that most studies associating QoL and oral health during pregnancy were cross-sectional and observational; therefore, for a better understanding of these impacts, performing longitudinal studies from the beginning of pregnancy until postpartum is necessary. The need for preventive oral health counseling and dental care assistance during pregnancy is highlighted.

Objetivo: Realizar una revisión sistemática de la literatura científica sobre el impacto de la salud oral en la calidad de vida de las embarazadas. Métodos: Se lleva a cabo una búsqueda sistemática y se seleccionaron 16 artículos específicos sobre el tema, siguiendo las directrices PRISMA. Resultados: La calidad de vida (CdV) en la embarazada está relacionado con la edad, número de embarazos, dolor, dificultad para comer y presencia de caries. La calidad de vida se relacionó directamente con la salud oral. Conclusiones: A través de esta revisión se encontró que la mayoría de los estudios que relacionaban la CdV y la salud oral durante la gestación fueron de corte observacional transversal, por ello para una mejor comprensión de estos impactos, es necesario realizar estudios longitudinales desde el comienzo del embarazo hasta el posparto. Se destaca la necesidad de asesoramiento de salud oral preventiva y una ruta de atención dental durante el embarazo.

[Influence of physical exercise during pregnancy on newborn weight: a randomized clinical trial]. / Influencia del ejercicio físico durante el embarazo sobre el peso del recién nacido: un ensayo clínico aleatorizado.

INTRODUCTION: Recent studies have proved that physical activity of the pregnant woman brings benefits not only for the mother but also for the fetus, given that it decreases the number of macrosomic newborns and their negative consequences in both of them. OBJECTIVE: To analyze in pregnant women the influence of a moderate physical activity program in the aquatic environment on the weight of the newborn. MATERIAL AND METHODS: A randomized clinical trial with 140 healthy pregnant women, aged between 21 and 43 years, divided into two groups, study (GE, n = 70) and control (GC, n = 70). The women were attracted at 12 weeks of gestation in the first trimester ultrasound control carried out in the different obstetrical services in Granada. They joined the program at week 20 of gestation and ended in week 37. The perinatal results were obtained from the partograph of each woman, included in the Delivery Room Services of the Complejo Hospitalario Universitario de Granada. RESULTS: The median weight of the babies of the pregnant women who participated in the intervention was 3,250 g, compared to the babies of the control group, with a median of 3,460 g. There were statistically significant differences between the two groups (p = 0.011). Among newborns, 86.8% of both groups had weights within clinical normality, that is between 2,500 and 4,000 g. Women who followed the SWEP (Study Water Exercise Pregnant) method during pregnancy had a weight gain of 8.28 kg, compared to sedentary women, who presented a 11.17 kg weight gain. However, the rate of macrosomic infants was similar, so there were no significant differences between the two groups (GC n = 7, GE n = 6). There were no significant differences in gestation time between the two groups, with an average of 279.70 days (GC) and 280.09 days (SG) (p-value > 0.05). CONCLUSION: Moderate physical activity in the aquatic environment, following the SWEP methodology, does not present risks of preterm birth and does not alter the gestation time with regard to the sedentary women during pregnancy. Physical exercise has achieved a significant decrease in the weight of the newborn and a less profit ponderal during pregnancy. These two results have not been instrumental in reducing the rate of macrosomies in our study.

INTRODUCCIÓN: los últimos estudios han demostrado que la actividad física de la mujer embarazada aporta beneficios no solo para la madre sino también para el feto, puesto que disminuye el número de recién nacidos macrosómicos y sus consecuencias negativas para los dos. OBJETIVO: analizar la influencia de un programa de actividad física de carácter moderado para la mujer gestante en el medio acuático sobre el peso del recién nacido. MATERIAL Y MÉTODOS: ensayo clínico aleatorizado con 140 mujeres gestantes sanas, con edades entre 21 y 43 años y divididas en dos grupos, estudio (GE, n = 70) y control (GC, n = 70). Las mujeres fueron captadas a las 12 semanas de gestación en el control ecográfico del primer trimestre, en los distintos servicios de obstetricia de Granada. Se incorporaron al programa en la semana 20 de gestación y terminaron en la semana 37. Los resultados perinatales se obtuvieron del partograma de cada mujer, registrado en los Servicios de Paritorio del Complejo Hospitalario Universitario de Granada. RESULTADOS: la mediana del peso de los bebes de las gestantes que participaron en la intervención fue de 3.250 g, frente a la de los bebes del grupo control, que fue de 3.460 g; existen diferencias estadísticamente significativas entre ambos grupos (p = 0,011). El 86,8% de los dos grupos presentaba pesos dentro de la normalidad clínica, esto es, entre 2.500 y 4.000 g. Las mujeres que siguieron el método SWEP (Study Water Exercise Pregnant)durante el embarazo tuvieron una ganancia ponderal de 8,28 kg, frente a las mujeres sedentarias, en las cuales fue de 11,17 kg (p < 0,001). Sin embargo, la tasa de bebés macrosómicos fue similar, por lo que no se presentan diferencias significativas entre los dos grupos (GC n = 7, GE n = 6). No hubo diferencias significativas en el tiempo de gestación entre ambos grupos, con una media de 279,70 días (GC) y 280,09 días (GE) (p-valor > 0,05). CONCLUSIÓN: La actividad física de carácter moderado en el medio acuático siguiendo la metodología SWEP no presenta riesgos de parto prematuro y no se altera el tiempo de gestación con respecto a las mujeres sedentarias durante el embarazo. El ejercicio físico ha logrado una disminución significativa del peso del recién nacido y una menor ganancia ponderal durante el embarazo. Estos dos resultados no han sido determinantes para reducir la tasa de macrosomías en nuestro estudio.

[REBOUND EFFECT OF INTERVENTION PROGRAMS TO REDUCE OVERWEIGHT AND OBESITY IN CHILDREN AND ADOLESCENTS; SYSTEMATIC REVIEW]. / EFECTO REBOTE DE LOS PROGRAMAS DE INTERVENCIÓN PARA REDUCIR EL SOBREPESO Y LA OBESIDAD DE NIÑOS Y ADOLESCENTES; REVISIÓN SISTEMÁTICA.

BACKGROUND: studies show that overweight and obesity are the result of a complex interaction between genetic and environmental factors that begins prenatally. In evidence of this relationship the potential impact of prenatal nutrition experience in the development of the endocrine and neuroendocrine systems that regulate energy balance, with special emphasis on leptin, an adipocytederived hormone. Different authors relate the risk of obesity with rapid weight gain in the first years of life. Breastfeeding children have a lower degree of abdominal adiposity and, therefore, lower waist circumference. Similarly, it has been associated with exclusively breastfeeding with a slower weight gain rate of about 20 %. In the study of obesity, a rebound effect is considered when the child recovers its initial weight a year after finishing the procedure. This problem is common, therefore family intervention is essential in order to achieve the child's motivation to lead a healthy life. For this review we have selected studies to evaluate interventions of medium and long term in childhood obesity, ensuring adherence to treatment and the rebound effect, once the intervention ended. AIM: to review studies examining the rebound effect and adherence to weight loss treatments for children and adolescents with overweight and obesity. METHOD: the systematic review was prepared following the PRISMA guidelines. Are selected 19 studies related to the proposed issue. RESULTS: several authors have established the beneficial short and long term effects of interventions that combine diet and physical activity among obese children. These results show the importance of multidisciplinary treatment programs for childhood obesity, emphasizing its encouraging longterm effects. CONCLUSIONS: there are studies were the rebound effect in short duration programs is evident. During interventions it is significantly reduced BMI, but then increased quickly to reach even higher levels initial weight. The most effective type of actions tend to be those including the family and schools, they are multidisciplinary and they have a duration longer than 1 year.

Introducción: los estudios demuestran que el sobrepeso y la obesidad son el resultado de una compleja interacción entre factores genéticos y ambientales que comienza en la etapa prenatal. Dentro de la evidencia de esta relación se analiza el impacto potencial de la experiencia de la nutrición prenatal en el desarrollo de los sistemas endocrino y neuroendocrino que regulan el balance energético, con especial énfasis en el papel de la hormona derivada de los adipocitos, la leptina. Diferentes autores relacionan el riesgo de obesidad con el aumento rápido de peso en los primeros años de vida. Los niños con lactancia natural tienen un menor grado de adiposidad abdominal y, por ello, menor circunferencia de la cintura. Del mismo modo, se ha relacionado la lactancia materna exclusiva con un ritmo más lento de aumento de peso, del orden del 20%. En el estudio de la obesidad se considera efecto rebote cuando el niño recupera su peso de inicio al año de acabar la intervención. Esta problemática es frecuente, por lo que dicha intervención con la familia se hace imprescindible, ya que se trata de lograr la motivación del niño para que lleve una vida saludable. Para esta revisión se han seleccionado estudios que valoren las intervenciones a medio y largo plazo en la obesidad infantil, comprobando la adhesión al tratamiento y el efecto rebote, una vez finalizada la intervención. Objetivo: revisar los estudios que analizan el efecto rebote y la adhesión a los tratamientos de pérdida de peso de los niños y adolescentes con sobrepeso y obesidad. Método: la revisión sistemática fue elaborada siguiendo las directrices PRISMA. Se han seleccionado 19 estudios que analizan la temática planteada. Resultados: varios autores han establecido los efectos beneficiosos a corto y largo plazo de aquellas intervenciones que combinan dieta y actividad física entre niños obesos. Estos resultados muestran la importancia de los programas multidisciplinares para el tratamiento de la obesidad infantil, haciendo hincapié en sus alentadores efectos a largo plazo. Conclusiones: hay estudios en los que se evidencia el efecto rebote, en los programas de corta duración o cuando la intervención se hace al margen de la rutina diaria de los niños. Durante las intervenciones se reduce considerablemente el IMC, pero después aumenta de forma rápida hasta llegar a niveles iniciales o incluso superiores de peso. El tipo de actuaciones más efectivas suelen ser aquellas con una duración superior a un año y que tienen carácter multidisciplinar, con inclusión de la familia y de los centros escolares.

[TRIGLYCERIDE LEVELS AS A RISK FACTOR DURING PREGNANCY; BIOLOGICAL MODELING; SYSTEMATIC REVIEW]. / NIVEL DE TRIGLICÉRIDOS COMO FACTOR DE RIESGO DURANTE EL EMBARAZO; MODELADO BIOLÓGICO; REVISIÓN SISTEMÁTICA.

INTRODUCTION: introduction: Some of the diseases that can appear in pregnancy (gestational diabetes, hypertension and preeclampsia) are being associated with an increased risk of heart throughout life diseases. This should be present in future assessments of the health of women. One of the most important biomarkers in cardiovascular diseases is the triglyceride level, and that undergoes a significant change during pregnancy. OBJECTIVE: the objective of this review is to analyze the studies that have investigated triglyceride levels during pregnancy as a risk factor for cardiovascular disease in the last weeks of pregnancy and childbirth. METHODS: a systematic search was made and 14 specific articles on the subject were selected following the PRISMA guidelines. RESULTS: in normal pregnancy decreased the level of lipids in the first weeks, followed by a gradual increase. Especially high from the 12th week of gestation. This increase in plasma levels of circulating lipids occurs linearly, reaching a peak a few days before delivery. This increase results because of the increased estrogen levels and insulin resistance. It has also been associated with prolactin levels. CONCLUSIONS: through this review, it has been able to demonstrate the relationship of elevated triglycerides some pathologies or more frequent changes in risk pregnancies, in which a significantly higher elevation occurs compared to normal pregnancies. It is in this context that the biological modeling may be particularly important, facilitating the creation of models and percentile curves applicable to the population, and allow monitoring of changes in triglycerides, which end up pointing situations passing be predictors of a potentially pathological situation. Thus, appropriate interventions would be carried rafter more briefly, and see so favored adequate primary prevention.

Introducción: algunas de las patologías que se pueden presentar en el embarazo (diabetes gestacional, hipertensión y preeclampsia) se están relacionando con un aumento del riesgo de padecer enfermedades cardiovasculares a lo largo de la vida. Esto se debe tener en cuenta en las futuras valoraciones de la salud de las mujeres. Uno de los biomarcadores más importantes en las enfermedades cardiovasculares es el nivel de triglicéridos, que experimenta un importante cambio durante la gestación. Objetivo: el objetivo de esta revisión es analizar los estudios que han investigado los niveles de triglicéridos durante el embarazo como factor de riesgo cardiovascular en las últimas semanas de gestación y en el parto. Métodos: se ha efectuado una búsqueda sistemática y se seleccionaron 14 artículos específicos sobre el tema, siguiendo las directrices PRISMA. Resultados: en el embarazo normal tiene lugar un descenso del nivel de lípidos en las primeras semanas, seguido de un aumento progresivo, especialmente notable a partir de la semana 12 de gestación. Este incremento de las concentraciones plasmáticas de lípidos circulantes se produce de forma lineal, hasta alcanzar un pico máximo unos días antes del parto. Esta subida se debe al aumento de los niveles de estrógenos y a la resistencia a la insulina. También se ha relacionado con los niveles de prolactina. Conclusiones: a través de la presente revisión se ha podido constatar la relación del aumento de los triglicéridos en algunas de las patologías o alteraciones más frecuentes en los embarazos de riesgo, en las que se produce una elevación significativamente mayor que en los embarazos normales. Es en este contexto en el que el modelado biológico puede cobrar una relevancia especial, facilitando la creación de modelos y curvas de percentiles aplicables a la población, y que permitan un seguimiento de los cambios en la trigliceridemia, que acaben señalando aquellas situaciones que pasan a ser predictores de una situación potencialmente patológica. De este modo, las oportunas intervenciones serían llevadas a cabo con mayor brevedad, viéndose así favorecida una adecuada prevención primaria.

[Breastfeeding as a method to prevent cardiovascular diseases in the mother and the child]. / LACTANCIA MATERNA COMO MÉTODO PARA PREVENIR ALTERACIONES CARDIOVASCULARES EN LA MADRE Y EL NIÑO.

INTRODUCTION: Breastfeeding is a recommended practice from all health institutions, both national and international, due to the benefits that it provides for both the nursling's and the mother's health. It has been proved that mothers who breastfeed their children suffer from less cardiovascular disorders, including hypertension, than those women who have never done it. AIM: The goal of this review is to analyse the studies that have done some research on breastfeeding as a protection from cardiovascular diseases in the mother and the infant. METHODS: A systematic search has been carried out and 10 meta-analysis or reviews, 8 original articles of clinical studies, 31 longitudinal or cohort studies and 7 correlational studies of large sample and descriptive were selected. RESULTS/CONCLUSIONS: Cardiovascular disease is the main cause of death for women all over the world. Diet, exercise, quitting smoking and blood pressure control are well-known methods to prevent cardiovascular diseases. It has been shown that breastfeeding has a positive impact on the mother and child's blood pressure level, both in the short term and the long term. It is, thus, necessary to provide further information for the population so as to promote breastfeeding and know its benefits.

Introducción: La lactancia materna es una práctica recomendada desde las instituciones sanitarias nacionales e internaciones, debido a los beneficios que reporta para la salud, tanto del lactante como de la madre. Se ha comprobado que los problemas cardiovasculares de las madres que lactan son menores que las de aquellas que no lo han hecho nunca, entre ellos, la hipertensión arterial. Objetivo: El objetivo de esta revisión es analizar los estudios que han investigado la lactancia materna, como protección frente a los problemas cardiovasculares de la madre y el niño. Métodos: Se ha efectuado una búsqueda sistemática y se seleccionaron 12 meta-análisis o revisiones, 7 artículos originales de ensayos clínicos, 39 estudios de cohorte o longitudinales y 14 estudios correlacionales de muestra amplia y descriptivos. Resultados/conclusión: La enfermedad cardiovascular es la principal causa de muerte de las mujeres en todo el mundo. La dieta, el ejercicio, dejar de fumar y el control de la presión arterial son todos reconocidos como elementos clave en la prevención de las enfermedades cardiovasculares. Se ha demostrado que la lactancia materna influye positivamente en los niveles de la presión arterial materna y del niño, tanto a corto como a largo plazo. Es, pues, necesario facilitar más información a la población para promocionar la lactancia materna y conocer así sus beneficios.

[Effect of phlebodium decumanum and coenzyme Q10 on sports performance in professional volleyball players]. / Efecto del phlebodium decumanum y de la coenzima Q10 sobre el rendimiento deportivo en jugadores profesionales de voleibol.

INTRODUCTION: Physical training programmes are based on provoking transitory states of fatigue in order to induce super compensation by the biological systems involved in the activity, in order to improve the athlete's medium-long term performance. The administration of nutritional supplements with antioxidant and immunomodulatory properties, such as Phlebodium decumanum and coenzyme Q10, can be a very advantageous means of achieving recovery from the inflammation and tissue damage caused by the stress of prolonged, intense exercise. METHODOLOGY: An experimental, longitudinal, double- blind experiment was conducted, with three randomised groups obtained from a sample of 30 male volleyball players (aged 22-32 years) at the University of Granada, with a high level of training (17 hours a week during the 6 months preceding the study). The effects were then evaluated of a month-long physical training programme, common to all the study groups, associated with the simultaneous administration of the following nutritional supplements: Phlebodium decumanum (4 capsules of 400 mg/capsule, daily), Experimental Group 1; Phlebodium decumanum (same dose and schedule as Group 1) plus coenzyme Q10 (4 capsules of 30 mg/ capsule, daily), Experimental Group 2; a placebo substance, Control Group. The following dependent blood variables were examined to assess the effects of the intervention on the basal immune and endocrine-metabolic profile: cortisol and interleukin-6, both related to the axis of exercise-induced stress; and lactic acid and ammonium, related essentially to the anaerobic metabolism of energy. RESULTS: All the study groups presented favourable adaptive changes with respect to the endocrine-metabolic and immune profile, as reflected by a significant decrease in the post-test concentrations of cortisol, interleukin 6, lactic acid and ammonium, compared to the values recorded before the physical activity with/without nutritional supplement, per protocol. The groups that achieved the most favourable profile were those which had received nutritional supplementation, rather than the placebo, and among the former, those which had received the double- strength supplement with Phlebodium decumanum plus coenzyme Q10. CONCLUSIONS: The intake of Phlebodium decumanum plus coenzyme Q10 for 4 weeks produced protective effects on the endocrine-metabolic and immune profile, which we attribute to the immunomodulatory and antioxidant properties of these substances, which are highly beneficial not only in terms of delaying fatigue and improving athletic performance, but also in reducing the risk of injuries associated with high intensity exercise.

Introducción: Los programas de entrenamiento físico, se basan en provocar estados de fatiga transitoria para inducir supercompensaciones de los sistemas biológicos implicados en la actividad, con el objeto mejorar el rendimiento del deportista a medio-largo plazo. La administración de suplementos nutricionales con propiedades antioxidantes e inmunomoduladoras, como Phlebodium decumanum y Coenzima Q10, constituyen medidas muy ventajosas para la recuperación de la inflamación y el daño tisular originados por el estrés del ejercicio intenso y mantenido. Metodología: Se llevó a cabo un diseño experimental, longitudinal, a doble ciego, con tres grupos randomizados a partir de una muestra de 30 jugadores varones de voleibol (22-32 años) de la Universidad de Granada, con un nivel de entrenamiento alto (17 horas por semana en los 6 meses previos a la investigación). Se evaluaron los efectos de un programa de entrenamiento físico de un mes de duración, común a todos los grupos de estudio, asociado a la administración simultánea de suplementos nutricionales a base de Phlebodium decumanum (4 cápsulas de 400 mg/ cáp. al día) el Grupo Experimental 1, Phlebodium decumanum (la misma dosis y posología que el grupo 1) más Coenzima Q10 (4 cápsulas de 30 mg/cáp al día) el Grupo Experimental 2, y sustancia placebo, el Grupo Control. Las variables dependientes sanguíneas para valorar los efectos de dicha intervención sobre el perfil endocrinometabólico e inmunológico basales fueron: cortisol e interleuquina 6 relacionados ambos con el eje del estrés inducido por el ejercicio, y ácido láctico y amonio, vinculados esencialmente, al metabolismo energético anaeróbio. Resultados: Todos los grupos del estudio manifestaron cambios adaptativos favorables sobre el perfil endocri no- metabólico e inmunológico, que se objetivaron a través de un descenso significativo basal postest de las concentraciones de cortisol, interleuquina 6, ácido láctico y amoniaco, respecto a los valores previos a la intervención actividad física ± suplemención nutricional protocolizada. Los grupos que mostraron un perfil más favorable, fueron los que recibieron suplementación nutricional frente a placebo, y de entre los primeros, los sujetos que tomaron doble suplementación con Phlebodium decumanum más Coenzima Q10. Conclusiones: La ingesta de Phlebodium decumanum y de Coenzima Q10 durante 4 semanas, mostró efectos protectores sobre el perfil endocrino-metabólico e inmunológico basales, que atribuimos a las propiedades inmunomoduladoras y antioxidantes de ambas sustancias, lo que no sólo resulta altamente beneficioso para retrasar la fatiga y mejorar el rendimiento deportivo, sino también, para disminuir el riesgo de lesiones asociadas al ejercicio físico de alta intensidad.

[Breastfeeding for the prevention of overweight and obesity in children and teenagers; systematic review]. / Lactancia materna como prevención del sobrepeso y la obesidad en el niño y el adolescente; revisión sistemática.

BACKGROUND: Breastfeeding is a recommended practice from national and international institutions due to the health benefits that it provides, both for the nursling and for the mother. Nowadays, overweight and obesity result in greater morbidity along different life periods. OBJECTIVE: The goal of this systematic review is to explore the characteristics of breastfeeding in the prevention of overweight and obesity during childhood. METHOD: A systematic search has been carried out and 113 papers have been selected: 20 meta-analysis and reviews, 6 original papers of clinical trials, 42 cohort or longitudinal studies, 19 correlational studies, 24 descriptive studies and 2 books. RESULTS: According to the analysed papers, there is a causal relationship between breastfeeding and the prevention of childhood obesity. DISCUSSION/CONCLUSION: In the various studies explored, it has been observed that the maximum benefits of breastfeeding are obtained when its duration is longer than 6 months and when it extends for two years, complemented with other foodstuffs. Other studies show that breastfeeding is effective in obesity prevention, even when its duration is limited. It is also important that complementary foods are introduced after the first six months of age, so as to reduce food allergy risk and to prevent obesity. Similarly, the weight of the mother during pregnancy has been associated with childhood obesity, as well as the weight of the child when he was born and other factors like maternal smoking and socioeconomic status.

Introducción: La Lactancia materna es una práctica recomendada desde las instituciones nacionales e internacionales debido a los beneficios que reporta para la salud, tanto del lactante como de la madre. En la actualidad, el sobrepeso y la obesidad conllevan una mayor morbilidad en los diferentes períodos de la vida. Objetivo: El objetivo de esta revisión sistemática es conocer las características de la lactancia materna en la prevención del sobrepeso y la obesidad en la infancia. Método: Se ha efectuado una búsqueda sistemática y se han seleccionado 113 artículos: 20 meta-análisis y revisiones, 6 artículos originales de ensayos clínicos, 42 estudios de cohorte o longitudinales, 19 estudios correlaciónales de muestra amplia, 24 descriptivos y 2 libros. Resultados: Según los artículos analizados, existe una relación causal entre la lactancia materna y la prevención de la obesidad infantil. Discusión/conclusión: En los diferentes estudios se ha podido verificar que los máximos beneficios de la lactancia materna se obtienen cuando su duración es mayor de 6 meses y se prolonga hasta los dos años, apoyada con otros alimentos. Otros estudios muestran que la lactancia materna es eficaz en la prevención de la obesidad, aunque su duración sea breve. También es importante que la alimentación complementaria se introduzca pasados los 6 meses de vida, para disminuir el riesgo de alergia a los alimentos y prevenir así la obesidad. Igualmente, se han relacionado con la obesidad infantil el peso de la madre durante el embarazo, el peso del niño al nacer, el tabaquismo materno y el nivel socioeconómico.

Osteonecrosis mandibular y maxilar secundaria a bifosfonatos: presentación de tres nuevos casos / Mandibular and maxilar osteonecrosis secondary to bisphosphonates: introduction of three new cases

El empleo de los bifosfonatos supone en la actualidad una herramienta de especial relevancia para el manejo terapéutico de diversas patologías, en tanto que forman parte del tratamiento estándar. Sin embargo, y de un modo casi paralelo, se han documentado un amplio número de casos en los que el paciente, secuencialmente a su tratamiento con bifosfonatos, ha desarrollado un cuadro de necrosis avascular en región maxilar y/o mandibular. Cuadro éste, de complejo abordaje, que tiende a comprometer y mermar la calidad de vida de nuestros pacientes. No obstante, la posible aparición de esta complicación, no debe por otra parte, implicar reticencias en cuanto a su uso en la terapéutica, sino más bien constituir un aspecto a vigilar durante el tiempo de terapia. El objetivo de este trabajo es alertar sobre las posibles complicaciones en pacientes que reciben terapia con bifosfonatos a través de la revisión de la literatura y la presentación de tres nuevos casos clínicos.

The use of bisphosphonates is now particularly important in the therapeutic management of various pathologies, as an integral part of standard therapy. However, in an almost parallel form, a large number of cases have been documented in which the patient following treatment with bisphosphonates, developed a vascular necrosis event in the maxillary and/or mandibular region. This is an event of complex approach which tends to compromise and undermine the quality of life for our patients. However the possible occurrence of this complication should not on the other hand, imply misgivings about their use in therapy, but rather constitute an event to be monitored during the time of therapy.The aim of this paper is to advise about possible complications in patients receiving bisphosphonate therapy through literature review and the presentation of these three new clinical cases.