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Introduction: Obesity is associated with chronic inflammation. Chronic inflammation has also been linked to insulin resistance and type 2 diabetes, metabolic associated fatty liver disease, and cardiovascular disease. Glucagon-like peptide-1 (GLP-1) receptor analogs (GLP-1RA) are clinically used to treat obesity, with known anti-inflammatory properties. How the GLP-1RA exenatide effects inflammation in adolescents with obesity is not fully investigated., Methods: Forty-four patients were randomized to receive weekly subcutaneous injections with either 2 mg exenatide or placebo for 6 months. Plasma samples were collected at baseline and at the end of the study, and 92 inflammatory proteins were measured., Results: Following treatment with exenatide, 15 out of the 92 proteins were decreased, and one was increased. However, after adjustment for multiple testing, only IL-18Rα was significantly lowered following treatment., Conclusions: Weekly injections with 2 mg of exenatide lowers circulating IL-18Rα in adolescents with obesity, which may be a potential link between exenatide and its anti-inflammatory effect in vivo. This contributes to exenatide's pharmaceutical potential as a treatment for obesity beyond weight control and glucose tolerance, and should be further studied mechanistically., (© 2023 S. Karger AG, Basel.)

Introduction: While international prevention guidelines recently advocated, in addition to moderate and vigorous physical activity (MVPA) guidelines, for a minimization of sedentary (SED) time, recommendations remain to be developed for youths with obesity., Methods: A literature search was conducted in PubMed, the Cochrane Library, plus the reference lists of selected articles for relevant publications in English, including original papers, systematic reviews, and meta-analyses, with search terms "sedentary behaviors" or "sedentary time" or "screen time" AND "children" or "adolescents" AND "obesity" or "adiposity" or "cardiometabolic risk" or "cardiometabolic disease." The results were summarized as a narrative review and presented to the scientific board of the European Childhood Obesity Group (ECOG), who then discussed their implication in clinical practice and proposed the position outlined in this paper., Results: SED and screen times are associated with adiposity and cardiometabolic risks, independently of youths' physical activity (PA) level. Besides considering MVPA and SED times as separate variables, comprehensive studies have questioned the impact of different patterns of MVPA and SED levels. Although lower body adiposity and better cardiometabolic health are achieved among those with desirable movement behavior patterns (i.e., more MVPA/less SED or active/not SED), youths with intermediate patterns (i.e., high MVPA/high SED and low MVPA/low SED, or active/SED and inactive/not SED) have been found to be associated with intermediate risks., Conclusion: There is a need to decrease SED behaviors irrespective of MVPA and to consider PA-SED patterns in youth with obesity. The ECOG encourages anti-obesity strategies targeting both PA and SED behaviors to support the shift from long periods of SED time, especially screen time, to daily routines incorporating bouts of PA. Stepwise or sequential approaches to movement behavior counseling might start with targeting SED at first to decrease cardiometabolic risks when implementing MVPA is not yet possible., (© 2022 S. Karger AG, Basel.)

Background: Nonalcoholic fatty liver disease (NAFLD) is the leading hepatic disease in children, ranging from steatosis to steatohepatitis and fibrosis. Age, sex, hormonal levels, pubertal stages, genetic risk- and epigenetic factors are among the many influencing factors. Appearing predominantly in children with obesity, but not exclusively, it is the liver's manifestation of the metabolic syndrome but can also exist as an isolated entity., Summary: Pediatric NAFLD differs from the adult phenotype. This narrative review on NAFLD in children with obesity provides an overview of the current knowledge on risk factors, screening, and diagnostic methods, as well state-of-the-art treatment. The recent discussion on the proposition of a new nomenclature - Metabolic [Dysfunction-] Associated Liver Disease - is featured, and current gaps of knowledge are discussed., Key Messages: Currently, there is no international consensus on screening and monitoring of pediatric NAFLD. With lifestyle interventions being the cornerstone of treatment, no registered pharmacological treatment for pediatric NAFLD is available. Development and validation of additional noninvasive biomarkers, scores and imaging tools suitable to subcategorize, screen and monitor pediatric patients are necessary. With a variety of upcoming and promising agents, clear recommendations for pediatric nonalcoholic steatohepatitis trials are urgently needed., (© 2021 S. Karger AG, Basel.)

Obesity is a chronic disease, in which treatment outcomes are highly dependent on patient and family adherence to behavioural recommendations. The role of healthy eating, physical activity, medication adherence as well as adherence to pre- and post-bariatric surgery protocols are of utmost importance for long-term treatment outcomes. Even the best interventions are not likely to reach their maximum benefit without significant levels of adherence on the part of the individual and family. Traditionally, the annual meeting of the European Childhood Obesity Group (ECOG) includes an expert workshop addressing one specific topic within the field of childhood obesity. During the 30th annual meeting, hosted by the University of Pécs, Hungary, as a virtual meeting, "adherence to treatment recommendations in obesity as a chronic disease" was addressed. The discussions that developed during the workshop are summarized in the following article., (© 2022 S. Karger AG, Basel.)

Background: Due to the growing risk of obesity and related diseases in the population of children, effective preventive measures are of great importance. Front-of-pack (FOP) nutrition labelling may contribute to health promotion by increasing consumer awareness on the nutritional qualities of packaged foods and purchasing decisions, and it may stimulate food providers to improve the composition of products., Summary: Appropriate labelling should enable customers to make healthy choices quickly and intuitively. Key Messages: The European Academy of Paediatrics and the European Childhood Obesity Group makes an appeal to European Union legislators to immediately introduce a mandatory, uniform, and interpretative FOP nutrition labelling system., (© 2021 S. Karger AG, Basel.)

Introduction: Parents can act as important agents of change and support for healthy childhood growth and development. Studies have found that parents may not be able to accurately perceive their child's weight status. The purpose of this study was to measure parental perceptions of their child's weight status and to identify predictors of potential parental misperceptions., Methods: We used data from the World Health Organization (WHO) European Childhood Obesity Surveillance Initiative and 22 countries. Parents were asked to identify their perceptions of their children's weight status as "underweight," "normal weight," "a little overweight," or "extremely overweight." We categorized children's (6-9 years; n = 124,296) body mass index (BMI) as BMI-for-age Z-scores based on the 2007 WHO-recommended growth references. For each country included in the analysis and pooled estimates (country level), we calculated the distribution of children according to the WHO weight status classification, distribution by parental perception of child's weight status, percentages of accurate, overestimating, or underestimating perceptions, misclassification levels, and predictors of parental misperceptions using a multilevel logistic regression analysis that included only children with overweight (including obesity). Statistical analyses were performed using Stata version 15 1., Results: Overall, 64.1% of parents categorized their child's weight status accurately relative to the WHO growth charts. However, parents were more likely to underestimate their child's weight if the child had overweight (82.3%) or obesity (93.8%). Parents were more likely to underestimate their child's weight if the child was male (adjusted OR [adjOR]: 1.41; 95% confidence intervals [CI]: 1.28-1.55); the parent had a lower educational level (adjOR: 1.41; 95% CI: 1.26-1.57); the father was asked rather than the mother (adjOR: 1.14; 95% CI: 0.98-1.33); and the family lived in a rural area (adjOR: 1.10; 95% CI: 0.99-1.24). Overall, parents' BMI was not strongly associated with the underestimation of children's weight status, but there was a stronger association in some countries., Discussion/conclusion: Our study supplements the current literature on factors that influence parental perceptions of their child's weight status. Public health interventions aimed at promoting healthy childhood growth and development should consider parents' knowledge and perceptions, as well as the sociocultural contexts in which children and families live., (© 2021 The Author(s). Published by S. Karger AG, Basel.)

Background: Children are becoming less physically active as opportunities for safe active play, recreational activities, and active transport decrease. At the same time, sedentary screen-based activities both during school and leisure time are increasing., Objectives: This study aimed to evaluate physical activity (PA), screen time, and sleep duration of girls and boys aged 6-9 years in Europe using data from the WHO European Childhood Obesity Surveillance Initiative (COSI)., Method: The fourth COSI data collection round was conducted in 2015-2017, using a standardized protocol that included a family form completed by parents with specific questions about their children's PA, screen time, and sleep duration., Results: Nationally representative data from 25 countries was included and information on the PA behaviour, screen time, and sleep duration of 150,651 children was analysed. Pooled analysis showed that: 79.4% were actively playing for >1 h each day, 53.9% were not members of a sport or dancing club, 50.0% walked or cycled to school each day, 60.2% engaged in screen time for <2 h/day, and 84.9% slept for 9-11 h/night. Country-specific analyses of these behaviours showed pronounced differences, with national prevalences in the range of 61.7-98.3% actively playing for >1 h/day, 8.2-85.6% were not members of a sport or dancing club, 17.7-94.0% walked or cycled to school each day, 32.3-80.0% engaged in screen time for <2 h/day, and 50.0-95.8% slept for 9-11 h/night., Conclusions: The prevalence of engagement in PA and the achievement of healthy screen time and sleep duration are heterogenous across the region. Policymakers and other stakeholders, including school administrators and parents, should increase opportunities for young people to participate in daily PA as well as explore solutions to address excessive screen time and short sleep duration to improve the overall physical and mental health and well-being of children., (© 2020 The Author(s) Published by S. Karger AG, Basel.)

Background: With increased awareness of type 2 diabetes (T2D) in children and adolescents, an overview of country-specific differences in epidemiology data is needed to develop a global picture of the disease development., Summary: This study examined country-specific prevalence and incidence data of youth-onset T2D published between 2008 and 2019, and searched for national guidelines to expand the understanding of country-specific similarities and differences. Of the 1,190 articles and 17 congress abstracts identified, 58 were included in this review. Our search found the highest reported prevalence rates of youth-onset T2D in China (520 cases/100,000 people) and the USA (212 cases/100,000) and lowest in Denmark (0.6 cases/100,000) and Ireland (1.2 cases/100,000). However, the highest incidence rates were reported in Taiwan (63 cases/100,000) and the UK (33.2 cases/100,000), with the lowest in Fiji (0.43 cases/100,000) and Austria (0.6 cases/100,000). These differences in epidemiology data may be partly explained by variations in the diagnostic criteria used within studies, screening recommendations within national guidelines and race/ethnicity within countries. Key Messages: Our study suggests that published country-specific epidemiology data for youth-onset T2D are varied and scant, and often with reporting inconsistencies. Finding optimal diagnostic criteria and screening strategies for this disease should be of high interest to every country., Trial Registration: Not applicable., (© 2020 The Author(s) Published by S. Karger AG, Basel.)

Background: Youth-onset type 2 diabetes (T2D) is increasing in many countries, creating large personal and societal burdens. While many primary health-care professionals (HCPs) are aware of the classic symptoms of T2D, there are several other manifestations that could indicate its presence., Summary: This narrative review summarizes information on these symptoms and indicators, focusing on those less well known. The classic symptoms and comorbidities include frequent urination, excessive thirst, metabolic syndrome, and obesity. In addition to these, the presence of dermatological (e.g., acanthosis nigricans, granuloma annulare, necrobiosis lipoidica diabeticorum, and scleredema), gynecological (e.g., polycystic ovary syndrome, oligomenorrhea, and vulvovaginitis), hepatological (e.g., nonalcoholic fatty liver disease), and psychiatric diseases (e.g., psychosis, depression, and autism) could indicate that a patient has T2D or is at increased risk of T2D. Other less well-known indicators include abnormal blood tests (e.g., oxidized lipids, inflammation markers, hepatokines, and adipokines), prescriptions for antipsychotic medications or statins, and disrupted sleep patterns. Key Message: Due to the diversity of T2D manifestations in young people, primary HCPs need to remain alert to its possible presence., (© 2019 S. Karger AG, Basel.)

Background: Health risks associated with the high consumption of sugar-sweetened beverages (SSBs) include overweight or obesity and their complications such as diabetes, as well as oral and dental decay, among others., Aim: The aim of the present statement is to inform health care professionals, parents, care-givers, teachers and school head teachers, stakeholders and governing bodies about the risks associated with drinking SSBs in infants, children and adolescents., Methods: We searched PubMed and the Cochrane databases for English language studies published from 2010 through October 1, 2018, for randomized clinical trials, meta-analyses, systematic reviews and observational studies (search terms are reported in eAppendix in the Supplement). We also manually searched the references of selected articles, reviews, meta-analyses and practice guidelines., Recommendations: Consumption of SSB by children and adolescents should be limited, and the consumption of water and other non-sweetened beverages should be promoted. Educational institutions such as nurseries, pre-schools and schools should offer unlimited access to drinking water, whereas the sale of SSBs should be banned., (© 2019 S. Karger AG, Basel.)

Background: The prevalence of early childhood overweight and obesity in Austria has reached average European levels of 20% in boys and 18% in girls. The rationale and study protocol of SALTO, Salzburg Together against Obesity will be presented, which is aimed to assist adults in increasing the rate of 4- to 6-year-old children with a healthy body weight., Methods: A controlled longitudinal sequential study design consisting of 14 intervention (IK) and 8 control (CK) kindergarten was used to investigate the effect of actions tailored for teachers and parents on BMI among 4- to 6-year-old children. The study launched in November 2014 was approved by the ethics committee of the University of Salzburg., Results: 681 children, 181 parents (119 mothers, 62 fathers) and 30 teachers were investigated until October 2016. Preliminary analyses revealed that more boys (19%) and fathers (60% IK, 43% CK) were overweight and obese than girls (16%) and mothers (19% IK, 20% CK)., Conclusion: The challenges faced by the SALTO staff in the implementation of health-promoting actions in the kindergarten are manifold. The Community-Oriented Core Setting (COCS) intervention approach will show whether the actions will reduce the percentage of obesity and be sustainable in the long term., (© 2018 The Author(s) Published by S. Karger GmbH, Freiburg.)

The increasing prevalence of paediatric obesity and related metabolic complications has been mainly associated with lower aerobic fitness while less is known regarding potential musculoskeletal impairments. The purpose of the present systematic review was to report the evidence regarding muscular fitness in children and adolescents with obesity. A systematic article search was conducted between November 2014 and June 2015 using MEDLINE, EMBASE, CINAHL psycINFO, SPORTDiscus and SocINDEX. Articles published in English and reporting results on muscle strength and muscular fitness in children and adolescents aged 6 to 18 years were eligible. Of 548 identified titles, 36 studies were included for analyses. While laboratory-based studies described higher absolute muscular fitness in youth with obesity compared with their lean peers, these differences are negated when corrected for body weight and lean mass, then supporting field-based investigations. All interventional studies reviewed led to improved muscular fitness in youth with obesity. Children and adolescents with obesity display impaired muscular fitness compared to healthy-weight peers, which seems mainly due to factors such as excessive body weight and increased inertia of the body. Our analysis also points out the lack of information regarding the role of age, maturation or sex in the current literature and reveals that routinely used field tests analysing overall daily muscular fitness in children with obesity provide satisfactory results when compared to laboratory-based data., (© 2016 S. Karger GmbH, Freiburg.)

Objective: This paper introduces health professionals to the different psychological models thought to influence eating behaviour in the absence of hunger in children who are obese and to propose a method of assessing these behaviours in practice., Methods: Clinical researchers from the European Childhood Obesity Group (ECOG) adopted an evidence-based approach to examine the literature concerning the assessment of eating behaviour in children who are obese. Studies published in English were filtered out of the medical and psychological literature from 1960 to the present, and the resulting bibliography was searched for relevant articles. Key themes from the current evidence were compiled and classified according to the underpinning psychological models. Based on the current evidence and the authors' combined clinical experience, a three-staged approach to assessment was agreed by consensus., Results: Valid and reliable tools for assessing and monitoring each of the three identified models (Dietary Restraint Theory, Emotional Eating and the Diathesis-Stress Model) are suggested for use in clinical practice, and the ECOG three-staged approach to assessing eating behaviours in the absence of hunger is described., Conclusions: This paper presents practical guidance on how to assess eating behaviour in the absence of hunger in children who are clinically obese and suggests a focus for future research.

Background/aims: To determine i) whether obesity in childhood can be related to malalignment of the distal extremities, ii) the proportion of genu valgum malalignment and abduction setting, and iii) the respective deviation dominance in children who are morbidly obese., Methods: 31 morbidly obese Caucasian children (16 males) recruited for the STYJOBS Study (ClinicalTrials.gov Identifier NCT00482924) with a mean age of 13.9 ± 0.5 years, a mean height of 162.3 ± 2.7 cm, a mean weight of 90.62 ± 5.0 kg, and a mean BMI of 33.8 ± 1.2 kg/m(2) were clinically examined using the Mikulicz line in order to assess load distribution on the knee joint. 21 participants received a whole-leg X-ray because of a clinically estimated malalignment., Results: 8/31 participants examined were diagnosed with genu valgum, 1/31 with genu varum, and 22/31 did not have any malalignment of the femur or tibia. The majority of genu valgum presentation was due to femoral deviation. Of those without malalignment, 4/22 participants had an abduction setting, while 2/22 showed an adduction of the leg., Conclusion: Genu valgum as a predominant malalignment of the distal extremities is frequent in youth with morbid obesity. Timely guided correction of angular deformity of the knee seems pivotal in order to avoid osteotomy or osteoarthritis later in life., (© 2013 S. Karger GmbH, Freiburg.)