Effectiveness of cocoon strategy vaccination on prevention of influenza-like illness in young infants.

During the initial half-year of their existence, infants cannot receive the influenza vaccine, yet they face the greatest susceptibility to severe influenza complications. In this study, we seek to determine whether influenza vaccination of maternal and household contacts is associated with a reduced risk of influenza-like illness (ILI) and severe acute respiratory infection (SARI) in infants. This work was prospectively conducted during the influenza season. A total of 206 infants were included in this study. The percentage of infants with only the mother vaccinated is 12.6% (n:26), and the percent of infants with all household contacts vaccinated is 16% (n:33). Among the infants with only the mother vaccinated, the effectiveness of influenza vaccine is estimated as 35.3% for ILI and 41.3% for SARI. Among infants with all household contacts vaccinated, the effectiveness is estimated as 48.9% for ILI and 76.9% for SARI. Based on the results of multivariate logistic regression analysis, all-household vaccination is a protective factor against SARI (OR: 0.07 95% CI [0.01-0.56]), household size (OR: 1.75, 95% CI [1.24-2.48]) and presence of secondhand smoke (OR: 2.2, 95% CI [1.12-4.45]) significant risk factors for SARI in infants. The mother alone being vaccinated is not a statistically significant protective factor against ILI (OR: 0.46, 95% CI [0.19-1.18]) or SARI (OR: 0.3, 95% CI [0.11-1.21]). Along with the obtained results and analysis, this study provides clear evidence that influenza vaccination of all household contacts of infants aged 0-6 months is significantly associated with protecting infants from both ILI and SARI.

Loss-of-function variants in TIAM1 are associated with developmental delay, intellectual disability, and seizures.

TIAM Rac1-associated GEF 1 (TIAM1) regulates RAC1 signaling pathways that affect the control of neuronal morphogenesis and neurite outgrowth by modulating the actin cytoskeletal network. To date, TIAM1 has not been associated with a Mendelian disorder. Here, we describe five individuals with bi-allelic TIAM1 missense variants who have developmental delay, intellectual disability, speech delay, and seizures. Bioinformatic analyses demonstrate that these variants are rare and likely pathogenic. We found that the Drosophila ortholog of TIAM1, still life (sif), is expressed in larval and adult central nervous system (CNS) and is mainly expressed in a subset of neurons, but not in glia. Loss of sif reduces the survival rate, and the surviving adults exhibit climbing defects, are prone to severe seizures, and have a short lifespan. The TIAM1 reference (Ref) cDNA partially rescues the sif loss-of-function (LoF) phenotypes. We also assessed the function associated with three TIAM1 variants carried by two of the probands and compared them to the TIAM1 Ref cDNA function in vivo. TIAM1 p.Arg23Cys has reduced rescue ability when compared to TIAM1 Ref, suggesting that it is a partial LoF variant. In ectopic expression studies, both wild-type sif and TIAM1 Ref are toxic, whereas the three variants (p.Leu862Phe, p.Arg23Cys, and p.Gly328Val) show reduced toxicity, suggesting that they are partial LoF variants. In summary, we provide evidence that sif is important for appropriate neural function and that TIAM1 variants observed in the probands are disruptive, thus implicating loss of TIAM1 in neurological phenotypes in humans.

Parental Attitudes and Knowledge About Lumbar Puncture in Children.

OBJECTIVES: Lumbar puncture (LP) is fundamental for diagnosis and treatment; however, some parents do not provide consent for their children to undergo the procedure, which can make diagnosis and determination of the optimal treatment difficult. The present study aimed to describe the level of knowledge and attitudes toward LP of parents whose children were scheduled to undergo the procedure. METHODS: A prospective cross-sectional descriptive study of a convenience sample of parents of 84 children aged 2 months to 17 years scheduled for LP at a single academic children's hospital between 2015 and 2017. Parents were administered a written survey and interviewed by a physician other than the person who did the LP. Data on parental level of knowledge and attitudes regarding LP, in addition to reasons for refusal, were collected.The parents of 84 patients scheduled for LP due to various indications were administered a face-to-face survey interview. The survey was used to collect parental demographic data, as well as opinions and knowledge about LP and postinterventional complications. RESULTS: The mean age of the 84 patients (57% male and 43% female) was 6.4 ± 5.17 years. Lumbar puncture was planned for the presumptive diagnosis of neurological disease in 45.25% of the patients, central nervous system infection in 45.25%, and acute encephalopathy in 9.5%. Among the parents, 65% (n = 55) had no knowledge or attitude about LP prior to the survey interview. The most common parental concern related to LP was paralysis (25%), followed by infertility (2%), mental retardation (1%), and disease progression (1%). Only 4.7% of the parents did not provide consent for their child to undergo LP. CONCLUSIONS: We found that most parents had little knowledge about LP, and the most common parental concern was paralysis. Despite this, in our study, only 5% of parents did not consent to LP.

Analysis of Refugee Children Hospitalized in a Tertiary Pediatric Hospital.

Refugee children are defined as an at-risk population as they have a high risk of physical and mental health conditions. While data exist regarding the mental health of refugee children, there are limited data about their medical health issues and mortality. Therefore, this study aimed to analyze the demographic data, clinical results, treatment/management data, and mortality data of hospitalized refugee children. This is a descriptive study that analyzed the demographic data, clinical findings, treatment/management data, and mortality data of 728 refugee children aged between 1 month and 18 years who were hospitalized in a tertiary pediatric hospital between 2013 and 2018. During the 5 year duration of this study (2013-2018), there were 12,031 patients hospitalized in the department of general pediatrics. Of these patients, 728 (6%) were refugee children [median age 1.2 (IQR 4.4) years]. The most frequent ethnic origin was Syrian, followed by Iraqi and Afghan [465 (63.87%); 174 (23.9%), and 39 (5.3%), respectively]. The median duration of hospitalization was 6 (IQR 6) days. Those refugee patients who were hospitalized in the pediatric intensive care unit were significantly younger [median age 3.7 (IQR 9.4) years]. The mortality rate in the department of general pediatrics was 16.4% for refugee patients and 8.6% for non-refugee patients (p = 0.001). A logistic regression model revealed that factors associated with mortality included younger age (OR 1.6; CI 1.2-2.1) and being a refugee (OR 2.1; CI 1.3-3.2). Our study revealed detailed knowledge about demographic, clinical, and mortality data, with the largest known series about refugee children in the literature. The results show that mortality rates are significantly higher in refugee pediatric patients who are hospitalized in Turkey than in non-refugee patients.

Secondary hemophagocytic lymphohistiocytosis in pediatric patients: a single center experience and factors that influenced patient prognosis.

Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening syndrome of excessive immune activation. Secondary HLH syndrome develops as a complication of infection, drugs, rheumatologic conditions, or malignancy. The main objectives of this work were to identify the etiology of secondary HLH and prognostic factors associated with mortality. Patients diagnosed with secondary HLH, between January 2011 and December 2016, were retrospectively included in this study. We analyzed clinical and laboratory findings as well as prognostic factors from 24 pediatric patients diagnosed with secondary HLH. The mean age of patients at the time of diagnosis was 79.9 ± 68.7 months (range: 2-202) and 54.2% of the patients were male. The most frequent HLH-2004 criterion was fever (100%). Underlying triggers of HLH were as follows: 13 (54.1%) infections, juvenile idiopathic arthritis in 5 patients (20.8%), drugs in 3 patients (12.5%), malignancies in 2 (0.8%), Kawasaki disease in 1 (0.4%) patient, and 1 (0.4%) with unknown triggers. The median time of diagnosis was 3 days (1-67 days). Overall, the mortality rate was 20.8%. In our logistic regression model, factors associated with mortality were decreased albumin levels (OR1 = 2.3[1.48-3.43]) and etoposide usage (OR2 = 1.22 [1.14-1.89]). The patient's 30-day survival was inferior among patients whose albumin level was 2 g/dL or less compared to those over 2 g/dL. Increased awareness of the underlying condition is critical in HLH patients. Our study emphasizes the prognostic significance of albumin level.

Evaluation of measles immunity in Turkey: is it still a threat?

Background/aim: Measles is one of the important vaccine-preventable diseases with many complications in childhood. This study presents cross-sectional seroepidemiological data, beginning from neonatal cord blood in infants to children under 6 years of age, about waning of measles antibody and tries to suggest the proper time for measles immunization. Materials and methods: A total of 564 blood samples consisting of neonatal cord blood and samples taken from infants and children at ages of 6, 9, 24­48, and 49­72 months were analyzed for measles seropositivity in a period of 6 months. Results: Measles seropositivity rate was 72.5% in 109 cord blood samples, 2.6% in 117 infants of 6 months of age, and 3.6% in 111 infants of 9 months of age. Seropositivity was determined in 118 children at 24­48 months and in 109 children at 49­72 months and was 80.5% and 66%, respectively (P = 0.001). These children were vaccinated in the 12th month. Conclusion: Though measles immunization coverage is 97% in Turkey, population immunity is somewhat lower than expected. Increases of measles cases in Europe and the refugee problem in the country could easily lead to outbreaks. Implementing the first dose of the immunization at 9 months may be an option.

Improving influenza vaccination uptake among healthcare workers by on-site influenza vaccination campaign in a tertiary children hospital.

Children are at higher risk of influenza complications. The goals of this article are, estimating influenza vaccination coverage of Health Care Workers (HCWs) in tertiary children hospital, evaluating attitudes and practices of HCWs and evaluating whether HCWs vaccination uptake improved with onsite vaccination campaign. This was a before-after trial, which was carried out in a tertiary children hospital at 2017-2018 influenza season. The vaccination team visited all participants and collected information about previous vaccination uptake, attitudes and beliefs of HCWs by means of an anonymous questionnaire. Moreover, the influenza vaccine was offered onsite to all participants. A total of 572 HCWs participated in this study (response rate: 94.2%). Coverage was 10.8% in 2016-17 season and 39.9% in 2017-18 season (p < 0.0001). Multivariate regression analysis showed that being younger than 35 years (OR: 2.09), being vaccinated in previous season (OR: 47.02) and professional category of the participant (clinicians being reference group; OR: 1.73 for support staff and OR: 0.23 for nurses,) were significantly associated with vaccination uptake in 2017-18 season [95% CI]. None of the participants with former bad experience about vaccination was vaccinated in 2017-2018 season. And 90% of the participants having lack of knowledge about the vaccine were vaccinated in 2017-2018 season. After onsite vaccination campaign, influenza vaccination coverage improved significantly among HCWs. In order to achieve target vaccination coverage we should break down the prejudices with a comprehensive education program. Abbreviations: OR- Odds ratio; CI- confidence interval.

Exposure to and use of mobile devices in children aged 1-60 months.

The present study was conducted to determine young children's (aged 1-60 months) exposure to and use of mobile devices. The study included 422 parents of children aged 1-60 months admitted to pediatric outpatient clinics. A questionnaire was administered to the parents via face-to-face interview. Children's overall exposure to mobile devices was 75.6% (n = 319). Of the children, 24.4% (n = 103) had never used a mobile device. Among the children that had used a mobile device, 20.6% (n = 66) were aged between 1 and 12 months; 24.5% (n = 78) were aged between 13 and 24 months. The median age at the first time use of a mobile device was 12 months. The youngest child that used a mobile device was 6 months old. Tablets had a significant difference in the age at first use compared with other mobile media types (P < 0.01). Children's overall mobile device ownership was 30.7% (98/319) in frequency. There was a positive relationship between mobile device ownership and age (p < 0.001). The most commonly owned mobile device was a "tablet" at a frequency of 68.4% (67/98). The frequency of tablet ownership was inversely associated with household income (P < 0.01). Of the children that used mobile devices, 25.7% (82/319) used multiple mobile devices simultaneously. Among 422 children, 15.9% (n = 67) had a tablet in their room. The frequency of tablet use and ownership was inversely related to the mother's educational level (P < 0.01). The parents reported that 22.3% (n = 71) never received help while navigating the mobile device. The most frequent activity with mobile devices was watching videos (70.8%, n = 226). Of the parents, 59.6% (190/319) let their children use mobile devices while they are doing daily tasks or domestic chores. Of the parents, 91.5% (n = 386) reported not having been informed by a doctor about the effects of mobile devices on their children.Conclusion: This study demonstrates a high prevalence of exposure to mobile devices in young children. The frequency of tablet use and ownership of offspring was inversely related with maternal educational level and household income. What is Known: • Mobile phones and other similar mobile devices are now embedded in the daily lives of children. • There are limited data about mobile media use in early childhood, and few guidelines on which clinicians can base their recommendations. What is New: • The exposure to mobile devices is high in young children aged 1-60 months. • The frequency of tablet use and ownership of offspring was inversely related to household income and maternal educational level.

Impact of PCV7 vaccination on nasopharyngeal carriage and antimicrobial resistance among children in Turkey.

INTRODUCTION: We aimed to evaluate the effects of 7-valent pneumococcal conjugate vaccine on nasopharyngeal carriage of Streptococcus pneumoniae and antibiotic resistance in children in a well-child clinic in a tertiary children's hospital in Turkey. METHODOLOGY: We collected nasopharyngeal (NP) specimens from 557 two-month-old babies before vaccination. After the study population had received PCV7, NP samples were obtained from 135 babies. Antimicrobial susceptibility testing and serotyping were performed. RESULTS: S. pneumoniae colonized in 48 (8.6%) of the 557 two-month-old babies before vaccination. The follow-up cohort consisted of 135 subjects. The prevalence of PCV7 strain decreased from 33.3% to 19.3% after vaccination. However, non-PCV7 types increased from 66.6% to 80.6% (p = 0.02). Of PCV7 serotypes, 19F was the most frequent serotype before and after vaccination. There was an increase in 6A and 15 of non-PCV7 serotypes after vaccination. Penicillin non-susceptible increased from 56.3% to 80.6% after vaccination (p =0.03). Serotypes 14, 18C, 9V and 6B, which were identified before vaccination, never colonized afterwards. Number of siblings and having sibling with older age of five were determined to be significant effective factors for SP colonization presence after vaccination and antibiotic use was negatively associated with pneumococcal carriage but associated with penicillin non-susceptibility. CONCLUSIONS: Nasopharyngeal carriage rate of S. pneumoniae dropped after PCV7 vaccination, and replacement by NVT pneumococci were also observed. Risk factors for nasopharyngeal carriage included household crowding and having a sibling age five years or older. Penicillin non-susceptibility increased in both VT and NVT strains.

Baby-led complementary feeding: Randomized controlled study.

BACKGROUND: Baby-led weaning (BLW) is an approach to introducing solid foods to infants that gives control of the feeding process to the infant. Anecdotal evidence suggests that BLW is becoming popular with parents, but scientific research is limited to a few publications. This study assessed growth, hematological parameters and iron intake in 6-12-month-old infants fed by traditional or baby-led complementary feeding. METHODS: We recruited 280 healthy 5-6-month-old infants allocated to a control (traditional spoon feeding; TSF) group or an intervention (BLW) group in a randomized controlled trial. Infant growth, hematologic parameters and iron intake were evaluated at age 12 months. RESULTS: Infants in the TSF were significantly heavier than those in the BLW group. Mean weight in the BLW group was 10.4 ± 0.9 kg compared with 11.1 ± 0.5 kg in the TSF group. There was no statistically significant difference in the iron intake from complementary foods between the BLW (7.97 ± 1.37 mg/day) and TSF (7.90 ± 1.68 mg/day) participants who completed the diet records. Hematologic parameters were similar at 12 months. The incidence of choking reported in the weekly interviews was not different between the groups. CONCLUSIONS: To the best of our knowledge, this is the first randomized -controlled study to have examined the impact of weaning method on iron intake, hematological parameters and growth in breast-fed infants. BLW can be an alternative complementary feeding type without increasing the risk of iron deficiency, choking or growth impairment.

Dermatologic Manifestations of Colchicine Intoxication.

Colchicine is an anti-inflammatory drug that has a narrow therapeutic index. Poisoning typically shows 3 phases with systemic symptoms. Gastrointestinal symptoms dominate in the first phase. Dermatologic manifestations usually appear, with skin eruptions in the second phase where multiorgan failure occurs and alopecia in the third phase where organ derangements resolve. Alopecia is a cardinal feature of the third phase, but there is no specifically defined eruption for toxication. Here, we report a case of colchicine intoxication in a 16-year-old girl with maculopapular/purpuric rash and alopecia.

Changes in thiol/disulfide homeostasis in juvenile idiopathic arthritis.

BACKGROUND: The pathogenesis of juvenile idiopathic arthritis (JIA) remains unknown, but imbalance between the oxidant and antioxidant defense systems may play a role. Measuring thiols in plasma provides an indirect indication of antioxidative defense. The aim of the present study was to investigate the association between JIA and dynamic thiol/disulfide homeostatic status. METHODS: This case-control study involved 34 JIA patients and 30 age- and gender-matched healthy controls. The patients were divided into subgroups according to Simplified Disease Activity Index (SDAI) score: active, SDAI > 3.3; remission, SDAI ≤ 3.3. RESULTS: Native thiol and total thiol were significantly lower in the JIA group than in the control group (P = 0.001). There was no significant difference in the disulfide/native thiol, disulfide/total thiol, and native thiol/total thiol ratios between the JIA and control groups (P > 0.05). Based on SDAI score, 22 JIA patients were in the remission subgroup, and 12 JIA patients were in the active subgroup. Native thiol and total thiol were significantly lower in the active JIA subgroup than in the remission subgroup (P = 0.001), but there were no significant differences in the other parameters. There was no significant difference in thiol and disulfide levels between systemic-onset JIA and other JIA (P > 0.05). CONCLUSIONS: Plasma thiol is lower in JIA patients, especially during periods of active disease, than in healthy controls, indicating that low thiol might be an important factor in the etiology of JIA and that antioxidant systems are negatively affected by inflammatory diseases, especially during periods of active disease.

Kikuchi-Fujimoto disease triggered by Salmonella enteritidis in a child with concurrent auto-immune thyroiditis and papilloedema.

Kikuchi-Fujimoto disease (KFD) is a histiocytic necrotising lymphadenitis characterised by painful cervical lymphadenopathy, fever, malaise and weight loss. Infections, auto-immune pathogenesis and a genetic association have been implicated. A 12-year-old boy presented with a 1-month history of fever, abdominal pain, constipation and weight loss, and a painful lymph node was detected in the right axilla. Chest CT demonstrated multiple lymph nodes, especially in the left mediastinum. Salmonella enteritidis group D was detected in a blood culture and he was treated with ceftriaxone, followed by meropenem. An axillary lymph node biopsy demonstrated necrotising histiocytic lymphadenitis and KFD was diagnosed. He was discharged 35 days after admission. He was re-admitted 3 weeks later with recurrence of symptoms and headache and was found to have papilloedema of the left eye and auto-immune thyroiditis. Intravenous immunoglobulin (IVIG) 400 mg/kg/day was administered for 5 days. The fever and papilloedema slowly resolved and, subsequently, the thyroiditis, and he has remained well on follow-up. This is the first report of an association of S. enteritidis infection and papilloedema with KFD. IVIG may be required in prolonged or recurrent cases and in those with an auto-immune association.

Brucellar terminal ileitis and epididymo-orchitis in an adolescent; case report and review of the literature.

Although brucellosis is a multi-systemic illness, terminal ileitis or colitis due to brucellosis is reported anecdotal in literature. Genitourinary manifestations of Brucella, namely epididymo-orchitis is very rare in childhood brucellosis. Herein, we present a case of brucellosis in a child with a rare combination of terminal ileitis and epididymo-orchitis not reported previously in the literature.

Serum levels of soluble ICAM-1 in children with pulmonary artery hypertension.

This prospective cross-sectional study attempted to determine both the usefulness of the serum intercellular adhesion molecule-1 (ICAM-1) as a biomarker for pulmonary artery hypertension secondary to congenital heart disease and the nature of this marker's association with catheter angiographic findings. Our study included a total of 70 male and female children, comprising 30 patients with both pulmonary artery hypertension and congenital heart disease, 20 patients with congenital heart disease alone, and 20 healthy control subjects. Levels of ICAM-1 in plasma samples from all groups were measured by the enzyme-linked immunosorbent assay method. Cardiac catheterization was also performed in all patients. The mean serum ICAM-1 levels in pediatric patients who had congenital heart disease with and without pulmonary artery hypertension were 349.6 ± 72.9 ng/mL and 312.3 ± 69.5 ng/mL, respectively (P=0.002). In healthy control subjects, the mean serum ICAM-1 level was 231.4 ± 60.4 ng/mL. According to the results of this study, the ICAM-1 level of the pulmonary artery hypertension group was significantly higher than those of the congenital heart disease group and the healthy control group. Correlation analysis showed that ICAM-1 level was correlated with systolic and mean pulmonary artery pressures (r=0.62, P=0.001; r=0.57, P=0.001)-which are 2 important values used in diagnosis of pulmonary artery hypertension. Moreover, receiver operating characteristic analysis yielded consistent results for the prediction of pulmonary artery hypertension. Therefore, we conclude that ICAM-1 has potential use as a biomarker for the diagnosis and follow-up of pulmonary artery hypertension.