Background: Despite metabolic disorders in HIV-infected children being widely described, there is still a lack of agreed criteria for diagnoses and management. Numerous studies are coming from other settings and results are heterogeneous when assessing several analytical and clinical parameters. Objectives: To describe the prevalence of metabolic disorders and associated risk factors in the Spanish National cohort of HIV-infected pediatric patients (CoRISpe). Methods: This was a cross-sectional study following all vertically HIV-infected children and adolescents in three referral centers included in the CoRISpe. Metabolic data (fasting lipids, glucose and insulin levels and thyroid hormone levels) were collected. Fat distribution was clinically assessed by expert clinicians. Results: We included 157 patients [median age 13 years, interquartile range (IQR) 10 -16]. Median duration of antiretroviral therapy was 10.2 years (IQR 5.0 -13.0). Almost 20 % of patients had insulin resistance and this was associated with hepatitis C co-infection, current use of stavudine (d4T) and hypertriglyceridemia. Hypercholesterolemia and hypertriglyceridemia were found in 23.9 % and 24.8 % of patients and were associated with current use of protease inhibitors (p = 0.042 and p = 0.022, respectively). Abnormal fat

Tuberculosis in our area continues to be a major health problem, especially among foreign-born children. As drug-resistant strains are increasing, initial therapy with 4 drugs is recommended in our population.

Introduction: After the introduction of pneumococcal conjugate vaccines, community-acquired pneumonia (CAP) caused by Streptococcus pneumoniae has decreased whereas Staphylococcus aureus and Streptococcus pyogenes could be increasing. These bacteria have been associated with high rates of complications.Aims: (1) To describe the characteristics of pediatric bacterial CAP requiring hospitalization. (2) To compare outcomes according to causative microorganisms. (3) To analyze changes in bacterial CAP rate and etiology over time.Patients and Methods: Retrospective single-center study of inpatients aged 1 month-16 years with culture-confirmed bacterial CAP in 2010-2018 in Madrid, Spain.Results: We included 64 cases (42 S. pneumoniae, 13 S. pyogenes and 9 S. aureus). Culture-confirmed CAP represented 1.48-2.33/1,000 all-cause pediatric hospital admissions, and its rate did not vary over time. However, there was a significant decrease in pneumococcal CAP in the last 3 years of the study (78% of CAP in 2010–2015 vs. 48% in 2016-18, p = 0.017). Median hospital stay was 10.5 days (interquartile range 5-19.5), 38 patients (59%) developed complications and 28 (44%) were admitted to the intensive care unit. Outcomes were similar among children with S. pneumoniae and S. aureus CAP, whereas S. pyogenes was associated with a higher risk for complications (OR 8 [95%CI 1.1-57.2]) and ICU admission (OR 7.1 [95%CI 1.7-29.1]) compared with pneumococcal CAP.Conclusion: In a setting with high PCV coverage, culture-confirmed bacterial CAP did not decrease over time and there was a relative increase of S. pyogenes and S. aureus. Children with CAP caused by S. pyogenes were more likely to develop complications.

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