Inflammation, Executive Function, and Adiposity in Children With or at Risk for Obesity: A Pilot Study.

OBJECTIVE: Obesity is associated with executive function (EF) deficits across the lifespan. Higher body mass index (BMI), obesity severity, and poorer adherence and weight outcomes in obesity treatment have all been associated with EF deficits. Adult literature has begun to emphasize neuroinflammation in obesity as a possible pathway to later cognitive impairment in EF. However, pediatric obesity literature has yet to establish associations between peripheral inflammation and EF. Thus, the present study examined associations and variability in inflammation, EF, and adiposity in children with or at risk for obesity. Additionally, inflammation was examined as a mediator of the relationship between adiposity and EF. METHODS: Children (N = 39) aged 8-12 years with BMI ≥ 50th percentile were recruited. The NIH Toolbox Cognitive Battery was used to assess performance-based EF. Peripheral inflammation was assessed in fasted sera. Dual-energy X-ray absorptiometry scans were conducted to assess body composition. Linear regression and Hayes' PROCESS Model 4 (Hayes, 2017) were used to evaluate associations between adiposity and inflammation, inflammation and EF, and whether adiposity effects EF through its effect on inflammation. RESULTS: Positive associations were identified between adiposity and inflammation, and negative to null associations were identified between inflammation and EF. Medium indirect effects of adiposity on EF through inflammation were detected. CONCLUSION: Pilot evidence suggests greater adiposity is linked with greater inflammation, which in turn is associated with less EF in some domains. Directionality and causality cannot yet be established, but with replication, findings may inform efforts to target EF in pediatric obesity.

Treating anxiety and depression in inflammatory bowel disease: a systematic review.

OBJECTIVE: Inflammatory Bowel Disease (IBD) is associated with higher rates of clinically significant anxiety and depression than in healthy populations. Psychosocial interventions targeting anxiety and depression in IBD have variable efficacy and disparate treatment approaches, making treatment recommendations difficult. The current study aimed to identify effective treatment components across psychosocial treatment approaches for anxiety and depression in IBD. DESIGN: A systematic review of psychosocial treatments for anxiety and depression in IBD was conducted. Based on the Distillation and Matching Model, treatments were coded and data aggregated by intervention components, or practice elements (PE), to elucidate replicable clinical techniques. MAIN OUTCOME: The percentage of studies utilizing a given PE was the primary outcome. MEASURES: Among all included studies, as well as among those finding favorable, significant effects on anxiety or depression, the percentage utilizing each PE and number of PEs utilized was determined. RESULTS: The most utilized PEs among included interventions were relaxation, IBD psychoeducation, cognitive restructuring, distraction, and social skills. Examining only interventions with favorable differences on specified outcomes (HRQoL, Anxiety, Depression, and/or Coping) indicated that relaxation, education, cognitive restructuring, and mindfulness were most utilized. CONCLUSION: Implications for clinical practice are discussed, including the development and dissemination of treatment recommendations.