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These variables may be generalizable across different types of clinicians for evaluation of children with headaches. If also found to predict the presence or absence of emergent intracranial abnormalities, the more reliable clinical findings may be helpful in the development of clinical prediction rules or risk stratification models that could be used across settings for children with headaches.Objectives To examine changes in transition readiness (knowledge, self-efficacy, self-management) over time and explore factors associated with transition readiness, including psychosocial quality of life (QOL) and health service utilization in teens/young adults with congenital heart disease. Study design In a multicenter prospective cohort study, 356 patients, age 14-27 years, completed transition readiness and QOL assessments at routine cardiology visits at baseline and 1-year follow-up. Results Median patient age was 19.8 years at 1.03 years (IQR 0.98-1.24) following baseline transition readiness assessment. Average knowledge deficit scores decreased at follow-up (P less then .0001) and self-efficacy scores increased (P less then .0001). Self-management scores increased (P less then .0001), but remained low (mean 57.7, 100-point scale). Information was requested by 73% of patients at baseline and was associated with greater increase in knowledge at follow-up (P = .005). Increased knowledge (P = .003) and perceived self-efficacy (P = .01) were associated with improved psychosocial QOL, but not health service utilization at follow-up. Patients who preferred face-to-face information from healthcare providers (47%) vs other information sources were more likely to request information (P less then .0001). Valaciclovir order In patients less then 18 years old, greater agreement between teen and parental perception of teen's knowledge was associated with greater increase in patient knowledge (P = .02) and self-efficacy (P = .003). Conclusion Transition readiness assessment demonstrated improved knowledge, self-efficacy, and self-management at 1-year follow-up in teens/young adults with congenital heart disease. Improved knowledge and self-efficacy were associated with improved psychosocial QOL. Self-management remained low. Supplemental media for conveying information and greater involvement of parents may be needed to optimize transition readiness.Objective To determine if additional children attending primary care clinics in moderate-altitude areas would screen positive for anemia if the hemoglobin cutoff were modified for altitude. Study design This cross-sectional study evaluated children aged 11-19 months of age who had a screening hemoglobin conducted between January 2011 and December 2017 at 4 moderate-altitude (1726-2212 m) and 8 low-altitude (1-20 m) US military clinics. The primary outcome was anemia prevalence (hemoglobin less then 11 g/dL) in moderate-altitude and low-altitude groups, before and after applying the current World Health Organization model for altitude-based hemoglobin modification. Groups were compared with prevalence ORs adjusted for age, sex, weight-for-length percentile, and parental military rank, and the false-negative proportion was calculated for children with anemia at moderate altitude. Results Before altitude modification, anemia prevalence was 4.4% in the moderate-altitude group (n = 1488) and 16.8% in the low-altitude group (n = 7090) (prevalence OR, 0.23; 95% CI, 0.17-0.29). After applying the World Health Organization model, anemia prevalence in the moderate-altitude group increased to 14.7% (prevalence OR, 0.82; 95% CI, 0.70-0.97). Nonapplication of the model at moderate altitude resulted in a false-negative proportion of 0.70 (95% CI, 0.63-0.76). Conclusions Nonuse of the World Health Organization altitude-based modification model for hemoglobin may result in a large percentage of US children with anemia at moderate altitude screening falsely negative for anemia. Although ancestry disparities in altitude acclimatization may limit universal application of the current World Health Organization model, the existing standard of care may leave children at moderate altitude at risk for complications from iron deficiency anemia.Objective To determine whether the Ghent Criteria (2010) can be reliably used in evaluating preadolescents and adolescents for Marfan syndrome by comparing aortic growth, systemic scores, and anthropometric features in individuals with and without Marfan syndrome. Study design A retrospective chart review was completed for patients less than 15 years of age referred for Marfan syndrome. Comparisons were made between the first and last visit. Paired t tests were used to compare Ghent systemic scores. Wilcoxon rank-sum test were used to compare age, aortic root z scores, height z scores, and body mass index z scores. Recursive partitioning was used to identify combinations of factors to distinguish Marfan syndrome. Results In total, 53 individuals met inclusion criteria (29 Marfan syndrome and 24 non-Marfan syndrome). Ghent systemic score increased in the Marfan syndrome group and declined in the non-Marfan syndrome. The non-Marfan syndrome group did not develop progressive aortic root dilation with age. Individuals with Marfan syndrome had higher median height z scores than non-Marfan syndrome, with no difference in median body mass index z score between groups. A combination of aortic root z score above 0.95 and Ghent systemic score above 3 was highly indicative of a Marfan syndrome diagnosis in children less than 15 years of age. Conclusion The Ghent criteria (2010) can be used to reliably exclude a diagnosis of Marfan syndrome in individuals less than 15 years of age. Genetic testing should be used as an aide in confirming or excluding the diagnosis of Marfan syndrome in individuals with an aortic root z score above 0.95 in combination with a Ghent systemic score above 3 at initial visit.Objective To study leukocyte-endothelium interaction, a measure of the initial phase of atheromatosis, in children with overweight or obesity. Study design A prospective study was conducted in 77 children aged 7-16 years; 47 were children with overweight/obesity and 30 were normal weight. Polymorphonuclear neutrophils (PMNs) and peripheral blood mononuclear cells were isolated from venous blood samples and the interaction of leukocytes over a monolayer of human umbilical vein endothelial cells was analyzed using flow chamber microscopy. The variables studied included leukocyte rolling velocity, rolling flux, and adhesion to endothelial cells. These were compared between children with overweight/obesity and control children. Correlation between the measures of leukocyte-endothelium interaction and anthropometric and biochemical variables was evaluated. Results In comparison with normal weight children, the PMNs and peripheral blood mononuclear cells of the overweight/obesity group showed a reduction in rolling velocity (P = .
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