The P2X7 gene polymorphisms have been linked to increased risk for pulmonary and extrapulmonary tuberculosis in some populations. In this study, the genotype and allelic frequencies 1513A-->C variant within the P2X7 gene was significantly higher than in the healthy controls (P = 0.035, P = 0.041). This is the first study demonstrating that the 1513A-->C polymorphism is associated with extrapulmonary tuberculosis in children.

Objective: Severe sepsis remains a leading cause of morbidity and mortality in children. Given the link to pathogenesis, polymorphisms in genes involved in infection and inflammation may influence the outcomes in patients with sepsis and septic shock. The role of mutations within the innate immunity receptor NOD2/CARD15 has recently been demonstrated as a risk factor for bacteremia and mortality in adult patients with sepsis. The aim of this study was to evaluate the role of mutations of the NOD2/CARD15 gene in pediatric patients with sepsis. Design: Prospective cohort study. Setting: A tertiary care, ten-bed, pediatric intensive care unit. Patients: One hundred twenty-eight patients with sepsis admitted to the pediatric intensive care unit and healthy control group were included. Interventions: Venous blood from the children with sepsis and healthy controls was collected to investigate common polymorphisms (Arg702Trp, Gly908Arg, Leu1007fsincC) within the NOD2/CARD15 gene. Standard polymerase chain reaction restriction fragment length polymorphism technique was used to determine NOD2/CARD15 gene polymorphism. Measurement and Main Results: R702W, G908R, and Leu1007fsinsC variants in the NOD2/CARD15 gene were determined as significant risk factors associated with susceptibility to sepsis (p = .025, p = .031, p = .014, respectively). Sepsis-related mortality was increased in children carrying the Leu1007fsinsC variant (p = .041). Conclusions: The present article is the first report of clinical implications of NOD2/CARD15 gene variants in children with sepsis. Our findings suggest that common polymorphisms in the NOD2/CARD15 gene may play a major role in susceptibility to sepsis and the outcome of sepsis in children.

Background/Objectives: Unintentional home injuries (UHIs) are a major yet preventable cause of morbidity and mortality among children. This study aimed to analyze the epidemiological characteristics, injury mechanisms, and clinical outcomes of pediatric UHIs over a nine-year period in Türkiye. Methods: This retrospective study included all children under 18 years who were diagnosed with UHIs in the Pediatric Emergency Department (PED) of a tertiary university hospital between January 2016 and November 2024. Demographic data, injury mechanisms, imaging findings, surgical interventions, hospitalizations, and Pediatric Intensive Care Unit (PICU) admissions were statistically analyzed. Results: Among 852,090 PED visits, 12,327 (1.4%) were diagnosed with UHIs. Most patients were younger than five years (72.1%) and male (56.8%). The leading causes were falls/collisions (60.6%), burns (12.1%), and foreign body aspirations (10.4%). Hospitalization and PICU admission rates were 11.7% and 1.2%, respectively, mainly involving children aged 2–4 years. Younger age and corrosive ingestion were independent predictors of hospitalization, while burns, falls/collisions, corrosive ingestion, poisoning, and foreign body aspiration significantly increased PICU admission risk. A marked rise in both hospital and PICU admissions was observed during the COVID-19 pandemic. Two fatalities occurred following falls. Conclusions: Falls, burns, and foreign body aspirations were the most common causes of pediatric UHIs, predominantly affecting children aged 2–4 years. Strengthening caregiver supervision, promoting safer home environments, and implementing targeted prevention programs are essential to reduce their impact on children and healthcare systems.