According to our data, SIT may prevent the onset of new sensitizations in children with respiratory symptoms monosensitized to house dust mite (HDM).
Our results suggest that treatment for 2 years with SLIT is clinically safe and effective in significantly decreasing respiratory symptoms in children with mild to moderate asthma sensitized to HDM. On the other hand, the lack of changes of the immunologic parameters calls for further investigations with special reference to kinetics and mechanism(s) of action of this mode of treatment.
Objective: Metabolic syndrome is a cluster of cardio-metabolic risk factors associated with an increased risk of cardiovascular disease and type 2 diabetes. In the last two decades, several definitions of metabolic syndrome have been proposed for the pediatric population; all of them agree on the defining components but differ in the suggested criteria for diagnosis. This review aims to analyze the current diagnostic criteria of metabolic syndrome in pediatrics with a reference to their feasibility and reliability in clinical practice. Methods: The systemic research was conducted from January 2003 to June 2020 through MEDLINE via PubMed, Cochrane Library and EMBASE databases. Results: After the selection phase, a total of 15 studies (182 screened) met the inclusion and exclusion criteria and hence they were reported in the present review. Twelve studies were cross-sectional, 2 were longitudinal and 1 was a consensus report. The sample population consisted of multiethnic group or single ethnic group including Turkish, European, Asian and Hispanic subjects. Conclusions: To date, there is not a univocal, internationally accepted pediatric definition of metabolic syndrome, which guarantees a high sensitivity and stability of the diagnosis. The definition proposed by IDF results the most straightforward and easy to use in clinical practice, having the unquestionable advantage of requiring measurements quickly accessible in clinical practice, without the adoption of multiple reference tables. Further research is needed to validate a new version of such definition which includes the diagnostic cut-off points recently suggested by published guidelines.
Background: Childhood obesity is related to a wide spectrum of cardiovascular and metabolic comorbidities.Objectives: (1) To identify precocious, preclinical, cardiovascular sonographic modifications, in a cohort of overweight (OW) and obese (OB) children and adolescents compared to lean controls; (2) to investigate the association between clinical and metabolic variables and cardiovascular sonographic parameters; (3) to evaluate their relation with two different phenotypes of obesity: metabolically healthy obesity (MHO) and metabolically unhealthy obesity (MUO). Materials and Methods:Fifty-nine OW and OB children and adolescents (9.8 ± 2.9 years) and 20 matched lean controls underwent anthropometric, biochemical, echocardiography assessment, and sonographic evaluation of carotid artery and ascending aorta (AA). OW and OB subjects were divided in MHO and MUO, according to the Camhi et al. definition.Results: OW and OB children showed significantly higher left ventricular (LV) dimensions and mass, carotid artery intima-media thickness (CIMT), carotid stiffness [β-index, pulse wave velocity (PWV)], significantly lower mitral peak early (E) and late (A) velocity ratio (E/A ratio), and significantly impaired global longitudinal strain (GLS) compared to controls. BMI SD and HOMA-IR were positively significantly related to LV dimensions, LA volume and epicardial adipose tissue (EAT), and negative to E/A ratio. Waist circumference (WC) was positively correlated to LV dimensions, LA volume, CIMT, PWV, AA diameter, and EAT. Furthermore, WC was a strong predictor of LV dimensions, LA volume and strain, AA stiffness and diameter; BMI SD was significantly associated with EAT, LVM index, and E/A ratio; HOMA-IR and triglycerides were significant predictors of GLS. MUO patients showed higher BMI SD (p = 0.02), WC (p = 0.001), WHtR (p = 0.001), HOMA-IR (p = 0.004), triglycerides (p = 0.01), SBP (p = 0.001), as well as LV dimensions, EAT (p = 0.03), CIMT (p = 0.01), AA diameter (p = 0.02), β-index (p = 0.03) and PWV (p = 0.002), AA stiffness (p = 0.006), and significantly impaired GLS (p = 0.042) compared to MHO.Corica et al. Cardiovascular Sonographic Markers in Childhood ObesityConclusions: Severity of overweight, abdominal obesity, insulin resistance, and MUO phenotype negatively affect cardiovascular remodeling and subclinical myocardial dysfunction in OW and OB children. MUO phenotype is likely to increase the risk of developing cardiometabolic complications since the pediatric age. Distinction between MHO and MUO phenotypes might be useful in planning a personalized follow-up approach in obese children.
Background: Children with nonclassical congenital adrenal hyperplasia (NCCAH) often present increased growth velocity secondary to elevation of adrenal androgens that accelerates bone maturation and might compromise adult height (AH). Objective: The aim of the study was to analyze prognostic factors affecting growth trajectory (GT) and AH in children with NCCAH. Methods: The study was a retrospective, multicentric study. The study population consisted of 192 children with a confirmed molecular diagnosis of NCCAH, followed by pediatric endocrinology centers from diagnosis up to AH. Clinical records were collected and analyzed. AH (standard deviation score; SDS), pubertal growth (PG) (cm), GT from diagnosis to AH (SDS), and AH adjusted to target height (TH) (AH-TH SDS) were evaluated as outcome indicators using stepwise linear regression models. Results: The stepwise linear regression analysis showed that AH and AH-TH were significantly related to chronological age (CA) (p = 0.008 and 0.016), bone age (BA)/CA ratio (p = 0.004 and 0.001), height (H) (p < 0.001 for both parameters) at NCCAH Wasniewska et al.
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