Notes

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The mean serum SELENOP level was 13.96 mg/l. The spatial regression analysis showed that KD prevalence positively correlated with SELENOP levels and negatively with
disposable income among rural residents.

The Tangyuan County should be considered for the precise prevention and control of KD. Further research is necessary to verify the reliability of SELENOP for estimating body selenium levels, and to better understand the relationship between selenium intake and KD in the investigated area.
The Tangyuan County should be considered for the precise prevention and control of KD. Further research is necessary to verify the reliability of SELENOP for estimating body selenium levels, and to better understand the relationship between selenium intake and KD in the investigated area.In a matched case-control study in Pakistan, we found that quantified tuberculosis (TB) exposure using a 10-point score is associated with prevalent TB disease in pediatric household contacts. A 1 unit increase in TB exposure score increased the odds of TB disease by 44% (conditional odds ratio 1.44, 95% confidence interval 1.33-1.56). Collecting well-documented exposure history can help TB diagnosis in resource-limited settings.This cross-sectional study, including children hospitalized for severe acute respiratory syndrome coronavirus 2 infection, demonstrates for the first time that nonhealthcare worker parents perform similarly to healthcare workers in the administration to their children of an unsupervised nasal swab for severe acute respiratory syndrome coronavirus 2 detection by following written instructions and video tutorials.The current coronavirus disease 2019 pandemic has been particularly challenging for the clinician because of the unclear nature of the underlying disease mechanisms. One of the hallmarks of the disease involves an increased risk of thrombosis and hypercoagulable state. Here, we describe 2 cases of patients admitted with submassive pulmonary embolism in the setting of positive tests for severe acute respiratory syndrome coronavirus 2.Children and adolescents with severe acute respiratory syndrome coronavirus 2 infection usually have a milder illness, lower mortality rates and may manifest different clinical entities compared with adults. Acute effusive pericarditis is a rare clinical manifestation in patients with COVID-19, especially among those without concurrent pulmonary disease or myocardial injury. We present 2 cases of acute pericarditis, in the absence of initial respiratory or other symptoms, in adolescents with COVID-19.We describe 2 expremature infants presenting with SARS-CoV-2-related pulmonary disease in their second and fifth week of life needing support with mechanical ventilation. Both infants' initial presentation was with repeated apneas. These cases highlight that SARS-CoV-2 infection could present with apneas and has the potential to progress to more severe pulmonary disease in this high-risk age group of patients. Both patients were treated with remdesivir (RDV). We provide the data of 2 high-risk neonates successfully treated with RDV without observation of any described side effects. A recognition that these high-risk neonates could deteriorate and early multidisciplinary team discussion is the mainstay to the compassionate access to RDV. Our experience led us to develop a guideline on the use of RDV below 12 years of age, with particular focus on infants and young children.
Estonia implemented the rotavirus (RV) vaccine into its national immunization program in July 2014. We aimed to determine circulating RV genotypes and the clinical profile by genotypes from February 1, 2015, to August 30, 2016, among children 0-18 years hospitalized due to rotavirus gastroenteritis (RVGE).

During an observational study in 7 Estonian hospitals, we determined the RV genotypes in stool samples of RVGE patients who met predetermined criteria. Shannon's diversity index (H´) and Simpson's index (D) was used to evaluate genotype diversity by season and age and to compare prevaccine period data (2007-2008) for children 0-4 years of age (n = 77) to corresponding data from the postvaccine period (2015-2016, n = 346). The Vesikari Clinical Severity Scoring System was used for clinical profile evaluation.

Stool samples of 479 RVGE patients were genotyped. Seventy-seven percent of RVGE infections were caused by G4P[8] (n = 150, 31%), G1P[8] (n = 100, 21%), G9P[8] (n = 79, 16%), G2P[4] (n = 23, 5%), ur study adds to knowledge about RV genotype distribution in Europe and expected dynamics after RV universal mass vaccination and provides insight on the clinical profile of prevailing genotypes.Limited data are available about the outcomes of coronavirus disease 2019 (COVID-19) during pregnancy and risk of vertical transmission in exposed neonates. PCB chemical in vitro We reviewed studies published February 1, 2020, through August 15, 2020, on outcomes in pregnant women with COVID-19 and neonates with perinatal exposure. Among pregnant women with COVID-19, 181 (11%) required intensive care unit admission and 123 (8%) required mechanical ventilation. There were 22 maternal deaths. Most infections occurred in the third trimester. Among women who delivered, 28% had a preterm birth, and 57% had a Caesarean section. Sixty-one (4%) of 1222 neonates with reported testing had at least 1 positive severe acute respiratory syndrome coronavirus 2 polymerase chain reaction test. The most common symptom among neonates was respiratory distress (n = 126; 21%). There were 14 neonatal deaths, one of which occurred in a neonate with positive testing. Further study of COVID-19 in pregnant women and neonates, including standardized reporting of outcomes, testing and treatment protocols, is essential to optimize maternal and neonatal care.This brief report presents a series of 5 pregnant women treated for rifampicin-resistant tuberculosis with the novel drugs bedaquiline, delamanid, and linezolid as part of an optimized backbone regimen and reviews the outcomes of the children born to them. Although the case series is small, all children had excellent birth outcomes suggesting pregnant women should not be denied access to novel therapies for RR-TB.Use of antiretrovirals is associated to body fat accumulation. We measured body composition in adolescents living with HIV switched to a dolutegravir-containing regimen. Trunk fat and trunk/body fat ratio markedly increased after 12 months. Total and low density lipoprotein cholesterol decreased after 3 months. Increase in trunk fat may put at risk of future cardiovascular problems, despite improvement in the lipid profile.
Liver abscess (LA), a common problem in children in the tropics, is believed to be mostly pyogenic (PLA), sometimes amebic (ALA). We aimed to analyze the clinical profile, etiology, risk factors for complications, management and outcomes of LA in children.

The details of 81 children with LA managed in a tertiary set up over a period of 3 years were analyzed. A comparison of different parameters was performed with respect to etiology and complications.

ALA, PLA and mixed infection LA were diagnosed in 40 (49.4%), 32 (39.5%) and 9 (11.1%) children. The triad of fever, hepatomegaly and right upper quadrant tenderness was seen in 65 (80.2%). Coagulopathy was observed in 60 (77%) and jaundice in 12 (14.8%). Majority (71.6%) had a single LA in the right lobe (69%). Conservative, percutaneous needle aspiration, percutaneous catheter drainage and surgical drainage were done in 11.1%, 3.7%, 82.7% and 2.5%, respectively. Forty-three (53.1%) had complicated LA with rupture in 55.8% and vascular thrombosis in 16.2%entation identify complicated LA.
Acute myocarditis (AM) is defined as inflammation of the myocardium. The aim of our study is a comparative analysis of the differences between AM related and unrelated to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

The retrospective study included children with AM treated from January 2018 to November 2020.

The study included 24 patients; 7 of 24 had AM related to SARS-CoV-2 and they were older than 7. They were more likely to have abdominal pain (P = 0.014), headache (P = 0.003), cutaneous rash (P = 0.003), and conjunctivitis (P = 0.003), while fulminant myocarditis was commonly registered in AM unrelated to SARS-CoV-2 (P = 0.04). A multisystem inflammatory syndrome in children associated with COVID-19 was diagnosed in six adolescents. Patients with AM related SARS-CoV-2 had lower serum cardiac troponin I (cTnI) (P = 0.012), and platelets (P < 0.001), but had a higher C-reactive protein (CRP) value (P = 0.04), and N-terminal-pro hormone BNP in comparison to patients with AM unrelatunction.
This project aims at comparing the impact of Holder pasteurization (HoP) and high-pressure processing (HPP) on bacterial load and retention of immunological components in human milk.

Human milk samples discarded by the Public Mothers' milk bank (Montreal, Canada) for bacterial purpose were pooled (n = 6) and pasteurized either by heating in a water bath (62.5°C, 30 minutes) or by HPP treatment (425 MPa, four cycles of 6 minutes, initial milk temperature of 4°C or 37°C). Bacterial load, lysozyme activity, and levels of immunoglobulins, lactoferrin, lipase, and 26 cytokines were analyzed. Untreated milk samples from same pools served as control.

HPP treatment of milk allows a similar elimination of bacteria than HoP; bacterial counts were under the detection limit [<3 colony-forming units (CFU)/mL] in 50% of milk pools after HPP treatment, compared to 17% for HoP. With initial heating of samples to 37°C before HPP treatment, inactivation to an extent under the detection limit was reached in 67% of pool the biochemically and immunologically active milk components than HoP.
HPP is a promising alternative to HoP for treatment of human milk intended to preterm babies. Our results demonstrate that HPP treatment of human milk provides safe milk with less detrimental effects on the biochemically and immunologically active milk components than HoP.
Experimental studies have shown that vitamin D has an immunomodulatory effect on the innate and adaptive immune systems. Associations between vitamin D deficiency and development or progression of inflammatory bowel diseases (IBDs) are reported, but a cause-and-effect relationship between pretreatment 25 hydroxyvitamin D [25(OH)D] levels and response to anti-tumor necrosis factor-α (anti-TNF) therapy is not established.

This retrospective study evaluated pediatric IBD patients who had 25(OH)D levels drawn within 3 months of initiating infliximab and/or adalimumab treatment. Demographic features, Paris classification, baseline 25(OH)D levels, disease activity, and laboratory results before and after 3 months of anti-TNF therapy were collected. The interaction between vitamin D insufficiency at induction and lack of response to anti-TNF therapy at 3 months was determined.

Of the 383 patients, 76 met inclusion criteria. Sixty-five patients (85.5%) had Crohn disease (CD) and 11 (14.5%) had ulcerative colitis. Seven patients had 25(OH)D levels obtained during both infliximab and adalimumab induction; hence 83 subjects were evaluated (infliximab 70 patients, adalimumab 13 patients). 25(OH)D <30 ng/mL was found in 55 of 83 (66.3%) subjects. There were no differences in gender, IBD type, disease activity scores between vitamin D-sufficient and vitamin D-insufficient groups. In CD, proximal gastrointestinal tract inflammation was associated with vitamin D insufficiency (P = 0.019), but other Paris classification parameters and laboratory results were similar in 2 groups. Early termination of anti-TNF therapy was significantly higher in patients who had vitamin D insufficiency (14.5% vs 0%, P = 0.034).

Vitamin D insufficiency before anti-TNF treatment may result in poor response to induction therapy.
Vitamin D insufficiency before anti-TNF treatment may result in poor response to induction therapy.
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