Childhood obesity and its related comorbidities are increasingly recognised in children, predisposing them to early cardiovascular disease and metabolic syndrome. The objective of the study was to investigate markers of metabolism, inflammation and haemostasis in a group of Italian obese children and adolescents. Fifty-nine obese and 40 non-obese subjects were recruited. Fasting glucose and insulin, total cholesterol, HDL and LDL cholesterol, triglycerides, high-sensitivity C-reactive protein (hsCRP), tumour necrosis factor alpha (TNF-α), and adiponectin were measured. Hypercoagulability was assessed by measuring the circulating levels of thrombin-antithrombin complex (TAT), D: -dimer, fibrinogen, plasminogen activator inhibitor 1 (PAI-1) and von Willebrand Factor (vWF). A significant degree of insulin resistance was present in obese subjects compared with controls (p < 0.0001). The obese showed higher levels of total cholesterol, LDL cholesterol and triglycerides, and lower levels of HDL cholesterol than controls (p < 0.0001). Circulating levels of hsCRP and TNF-α were significantly higher in obese than in controls while serum adiponectin levels were significantly lower in obese than non-obese subjects (p < 0.001; p = 0.031; p < 0.0001, respectively). vWF, TAT, D-dimer, fibrinogen and PAI-1 levels were significant higher in obese subjects compared with control group (p = 0.02; p < 0.0001; p = 0.0037; p < 0.0001; p = 0.017, respectively). In conclusion, our results suggest that childhood obesity per se is associated with a proinflammatory and prothrombotic state.
BackgroundThe independent prognostic impact of diabetes mellitus (DM) and prediabetes mellitus (pre‐DM) on survival outcomes in patients with chronic heart failure has been investigated in observational registries and randomized, clinical trials, but the results have been often inconclusive or conflicting. We examined the independent prognostic impact of DM and pre‐DM on survival outcomes in the GISSI‐HF (Gruppo Italiano per lo Studio della Sopravvivenza nella Insufficienza Cardiaca‐Heart Failure) trial.Methods and ResultsWe assessed the risk of all‐cause death and the composite of all‐cause death or cardiovascular hospitalization over a median follow‐up period of 3.9 years among the 6935 chronic heart failure participants of the GISSI‐HF trial, who were stratified by presence of DM (n=2852), pre‐DM (n=2013), and non‐DM (n=2070) at baseline. Compared with non‐DM patients, those with DM had remarkably higher incidence rates of all‐cause death (34.5% versus 24.6%) and the composite end point (63.6% versus 54.7%). Conversely, both event rates were similar between non‐DM patients and those with pre‐DM. Cox regression analysis showed that DM, but not pre‐DM, was associated with an increased risk of all‐cause death (adjusted hazard ratio, 1.43; 95% CI, 1.28–1.60) and of the composite end point (adjusted hazard ratio, 1.23; 95% CI, 1.13–1.32), independently of established risk factors. In the DM subgroup, higher hemoglobin A1c was also independently associated with increased risk of both study outcomes (all‐cause death: adjusted hazard ratio, 1.21; 95% CI, 1.02–1.43; and composite end point: adjusted hazard ratio, 1.14; 95% CI, 1.01–1.29, respectively).ConclusionsPresence of DM was independently associated with poor long‐term survival outcomes in patients with chronic heart failure.Clinical Trial Registration URL: http://www.clinicaltrials.gov. Unique identifier: NCT00336336.
Autoimmune hemolytic anemia (AIHA) is an uncommon disease of childhood caused by the premature destruction of erythrocytes by autoantibodies. In this rare disease both diagnostic criteria and therapeutic approaches are not well standardized. The Red Cell Working Group of the Pediatric Italian Hematogy and Oncology Association (AIEOP) developed specific recommendations to help Physicians for AIHA management. The document is available on the AIEOP website since November 1st 2013. The Italian Pediatric AIHA Group began an observational, retrospective and prospective study in order to monitor the management of children with AIHA diagnosed from 2010 to 2018, and to assess whether the availability of AIEOP recommendations had an impact on the clinical management of such patients in AIEOP Centers. We collected a national cohort of 159 children with AIHA from 21 AIEOP Centers; 48 patients were diagnosed before November 2013 and 111 patients after that date. Gender was 56% males and 44% females; median age at diagnosis was 47 months, with 11.9% under 12 months of age; 8.2% of children were born prematurely and 3.9% showed congenital malformations. 23.2 % of patients had a familiar history of immunological, hematological or oncological diseases. The median hemoglobin level at diagnosis was 6.1 gr/dL. Table 1 reports the distribution of our cases, according to the different type of autoantibodies. The comparison between the retrospective and prospective study did not reveal significative differences in clinical and biological presentation. The cold IgM forms were mainly post infective (38.4%) or primary forms (53.8%), only one patient had a secondary form due to a primitive immunodeficiency. These patients did not develop other diseases during follow up (median follow up: 28,6 months). The preliminary results of treatment and follow up of the 146 patients with warm antibody AIHA revealed the following: The treatment with conventional dose of steroids (median dose 2 mg/Kg, range 0.7- 3.5 mg/Kg) was started in 94.4% of patients, in 53% of cases on the same day of diagnosis. A high number of children used additional treatment: red blood cell transfusions (51.4%), high dose Prednisolone (59.7%), high dose i.v. Immunoglobulin (49.7%) and Plasma Exchange (1.4%). 9.5% of patients, with poor responsive disease, needed alternative drugs during the first four weeks of therapy. Response criteria were so defined: a complete response was defined as the achievement of an Hb concentration greater than or equal to the lower normal limit for age with no signs of haemolysis, i.e. normal reticulocyte count and bilirubine concentration. A partial response was defined as an increase of Hb >2 g/dL without the Hb concentration reaching a normal value for the patient age and no response as an increase of Hb< 2 g/dL and/or dependence on transfusion. A complete response was reached by 62.5%, 79.3%, 85.1% at 3, 4, 6 weeks respectively. 14.9% of patients had either a partial response or a resistant disease at 6 weeks. IgG/IgG+C3d positivity was a negative prognostic factor, as compared to positivity to C3d only, with the need of a second line treatment (prevalently Mabthera or Mycophenolate Mofetil) in 31.7% vs 0, respectively (p 0.009). Currently 6.1% of the patients were lost to follow up, 1.3% died, 55,8% are in Complete Response without events and 21.9% of the patients are still on treatment . At the last follow up, in the whole "cohort" of warm AIHA, 58% have a Primary form, 15.7% an isolated post infective form and 27.7% a Secondary form (56% Evans Syndrome). The management of the patients diagnosed after November 2013 was mostly in agreement with our recommendations, whose comprehensive therapeutic algorithm is reported in table 2, with prolonged steroid tapering in order to extend the treatment for at least 6 months. The most important difference between the retrospective and prospective study was the duration of first line treatment: 6 months or more, for steroid dependence, in 71.6% of patients in the prospective study versus 52.3% of the retrospective (p 0.031) and, more importantly, the percentage of relapsed patients: 8.3% in the prospective study versus 29.8% of the retrospective (p 0.001), these data need a longer follow up (median follow up: 24 months in the prospective study versus 63 in the retrospective) Disclosures Colombatti: Global Blood Therapeutics: Consultancy; Novartis: Consultancy; AddMedica: Consultancy.
HU effectiveness is demonstrated in a national cohort of children with SCD living in Italy, even at a lower dose than recommended, revealing good adherence to a treatment program by a socially vulnerable group of patients such as immigrants.
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