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Objective: Current guidelines for prevention of obesity in childhood and adolescence are discussed. Methods: A literature search was performed in Medline via PubMed, and appropriate studies were analyzed. Results: Programs to prevent childhood obesity have so far remained mainly school-based and effects have been limited. Analyses by age group show that prevention programs have the best results in younger children ((12 years). Evidence-based recommendations for pre-school- and early school-aged children indicate the need for interventions that address parents and teachers alike. During adolescence, school-based interventions proved most effective when adolescents were addressed directly. To date, obesity prevention programs have mainly focused on behavior-oriented prevention. Recommendations for community- or environment-based prevention have been suggested by the German Alliance of Noncommunicable Diseases and include a minimum of 1 h of physical activity at school, promotion of healthy food choices by taxing unhealthy foods, mandatory standards for meals at kindergartens and schools as well as a ban on unhealthy food advertisement aimed at children. Conclusion: Behavior-oriented prevention programs showed only limited long-term effects. Certain groups at risk for the development of obesity are not reached effectively by current programs. Although universally valid conclusions cannot be drawn given the heterogeneity of available studies, clearly combining behavior-based programs with community-based prevention to counteract an 'obesogenic environment' is crucial for sustainable success of future obesity prevention programs. (Autor).

Abstract Background Multidisciplinary management of obesity by primary care paediatricians, providing a promising approach to tackle childhood obesity includes cooperation with other health care professionals. However, facilitators for and barriers to multidisciplinary cooperation in ambulatory care are not yet well understood and are investigated in the present study. Methods A nationwide, cross-sectional survey of 83% of German primary care paediatricians was conducted, using a questionnaire based on qualitative expert interviews. Frequency of paediatricians’ cooperation with external partners (i.e. nutrition counsellors; sports groups; interdisciplinary obesity centres; inpatient rehabilitation centres; and endocrinologists) was assessed. Individual and structural factors were associated with cooperation patterns. Missing values were addressed using multiple imputation. Results Out of the 6081 primary care paediatricians approached, 2024 (33.3%) responded. Almost half of the respondents (40.8%) stated that they disengaged in the field of obesity prevention due to perceived inefficacy. Lack of financial reimbursement for consultation was agreed on by most of the respondents (90.4%). Identified barriers to cooperation included: higher proportion of patients with migration background, lack of time and available services. A more comprehensive conception of the professional role regarding overweight prevention, higher age, female gender, higher proportion of overweight/obese patients and practice location in urban or socially strained areas surfaced as facilitators for cooperation. Conclusion Low-perceived self-efficacy in obesity management and insufficient financial reimbursement for consultation are commonly stated among German paediatricians. For cooperation behaviour, however, other individual and structural factors seem to be relevant, which provide indications on how multidisciplinary childhood obesity management can be improved.

Today, 6% of German children are obese and 13% are overweight, more than double the rates 10 years ago. Statistics for type 1 diabetes have also doubled in the past 12 years. This book is intended for pediatricians, internists, general practitioners, and non-MD members of the treatment team. It provides compact, practical, up-to-date knowledge in clear form in keeping with current guidelines.

The prevalence of insect venom allergy in the European population is ∼5%. Hymenoptera venom allergy is an important epidemiological problem. Ten to 40 deaths are reported annually in Germany. In contrast to conventional dose increase schedules lasting a minimum of 5 days, shorter protocols reduce the patient's stay in the hospital and provide an earlier protection toward stings. Clinical studies on ultrarush protocols have been published for adult patients, but very little data are currently available for children. Therefore, we investigated the safety and tolerability of a shortened insect venom immunotherapy (VIT) in children and adolescents. Forty-three children and adolescents (aged 4-18 years) with insect venom allergy were treated in this study. Five children were hyposensitized according to the ultrarush protocol with nine injections (as suggested by Brehler et al. (Safety of a two-day ultrarush insect VIT protocol in comparison with protocols of longer duration and involving a larger number of injections. J Allergy Clin Immunol 105:1231-1235, 2000); 38 children received the modified ultrarush schedules with only eight subcutaneous injections. With both protocols the maintenance dose (100 μg) was achieved in 24 hours. Twenty-five patients (58.1%) showed no reaction after the injections. In 11 patients (25.6%), extensive erythema (>5 cm, maximum of 20 cm) was found at the injection site. Erythema and edema (>5 cm, maximum of 15 cm) were observed in seven patients (16.2%). The maintenance dose was well tolerated, with no systemic reaction in any patient. The modified ultrarush protocol for insect VIT used in this study showed very good tolerability and safety in children and adolescents. This dose regimen can increase compliance by shortening inpatient stay and reduces hospital costs.

Gegenwärtig sind 6% der deutschen Kinder adipös und 13% übergewichtig, mehr als doppelt so viele wie noch vor 10 Jahren.Aber auch die Zahlen des pädiatrischen Typ-1-Diabetes verdoppelten sich innerhalb der letzten 12 Jahre.Heute geht man beim Diabetes von einer Häufigkeit von 1:600 Kindern aus mit einer jährlichen Inzidenz-Steigerung von etwa 4%.

Primary lymphomas of the central nervous system (PCNSL) are mainly diffuse large B-cell lymphomas (DLBCLs) confined to the central nervous system (CNS). Molecular drivers of PCNSL have not been fully elucidated. Here, we profile and compare the whole-genome and transcriptome landscape of 51 CNS lymphomas (CNSL) to 39 follicular lymphoma and 36 DLBCL cases outside the CNS. We find recurrent mutations in JAK-STAT, NFkB, and B-cell receptor signaling pathways, including hallmark mutations in MYD88 L265P (67%) and CD79B (63%), and CDKN2A deletions (83%). PCNSLs exhibit significantly more focal deletions of HLA-D (6p21) locus as a potential mechanism of immune evasion. Mutational signatures correlating with DNA replication and mitosis are significantly enriched in PCNSL. TERT gene expression is significantly higher in PCNSL compared to activated B-cell (ABC)-DLBCL. Transcriptome analysis clearly distinguishes PCNSL and systemic DLBCL into distinct molecular subtypes. Epstein-Barr virus (EBV)+ CNSL cases lack recurrent mutational hotspots apart from IG and HLA-DRB loci. We show that PCNSL can be clearly distinguished from DLBCL, having distinct expression profiles, IG expression and translocation patterns, as well as specific combinations of genetic alterations. Primary lymphomas of the central nervous system (PCNSL) are defined as diffuse large B-cell lymphomas (DLBCL) confined to the CNS. Here, the authors complete whole genome sequencing and RNA-seq to characterize 51 PCNSLs, and find common mutations in immune pathways and upregulated TERT expression and find distinct pathway differences between DLBCL and other primary CNS lymphomas.