|
|
Question: Do government-funded Specialized Public Medical Centers for Children (SPMCCs) improve the quality of care for pediatric patients requiring complex and intensive medical care? Finding: The SPMCC hospital designation reduced 30-day readmission rates among pediatric patients with severe conditions. Meaning: Government investments are associated with improved quality of care for children with complex chronic conditions. Therefore, sustained government funding is essential to enhancing pediatric care quality. |
|
|
Question: Is metabolic acidosis at birth in very low birth weight infants (VLBWIs) associated with long-term clinical outcomes? Finding: Metabolic acidosis at birth was associated with increased mortality, adverse respiratory outcomes, neurological morbidities, and infection-related and gastrointestinal outcomes. Meaning: VLBWIs with metabolic acidosis are at high risk of systemic complications. This finding emphasizes the need for close monitoring and comprehensive care. |
|
|
Question: Did the intramuscular (IM) and subcutaneous (SC) administration of gonadotropin-releasing hormone (GnRH) agonists have comparable timing and diagnostic utility for evaluating central precocious puberty in girls? Finding: Both the IM and SC GnRH stimulation tests demonstrated comparable times to peak luteinizing hormone levels. Meaning: Clinicians may consider the IM route as a time-efficient alternative, as it offers similar diagnostic utility for central precocious puberty without compromising the detection of hypothalamic-pituitary-gonadal axis activation. |
|
|
Question: How do body mass index (BMI) and metabolic markers change over time in severely obese Korean children and adolescents receiving only lifestyle modifications? Finding: Among 124 participants, BMI z scores decreased modestly over 2.6 years, primarily in younger prepubertal boys. However, most remained severely obese, with minimal improvement in body composition or metabolic markers. Meaning: Lifestyle interventions alone have limited efficacy for severe pediatric obesity. Early and more intensive treatments are required. |
|
|
Question: Are the predominant circulating strains of Mycoplasma pneumoniae associated with disease severity and clinical indicators? Finding: The common cluster label 14 (CCL14) lineage was a high-risk clone circulating in central China that demonstrated a strong association between severe pediatric pneumonia and a distinct hyperinflammatory profile. Meaning: Targeted molecular surveillance of the CCL14 lineage may facilitate early risk stratification and guide clinical management to reduce the burden of severe disease. |
|
|
Question: Does epilepsy affect neurocognitive functions in pediatric drug-resistant focal epilepsy? Finding: Diffusion magnetic resonance imaging (MRI) connectome could identify new imaging markers for seizure-associated structural abnormalities. New markers reflect deviations of local efficiency in neurocognitive networks and provide outstanding discretionary capacity for neurocognitive impairments, achieving an accuracy range of 90%–98% in the independent test patients. Meaning: Supplementary MRI-driven decisions could be performed for personalized interventions to mitigate long-term neurocognitive effects. |
|
|
Question: Is macronutrient intake, particularly that from human milk, distinctly associated with the growth of preterm infants? Finding: Total protein and fat intake derived from human milk and fortifiers showed distinct positive associations with weight gain velocity. Meaning: Particular attention to protein and fat composition during individualized human milk fortification can optimize weight gain in preterm infants. |
|
|
Question: What is the diagnostic utility of whole exome sequencing (WES) and whole genome sequencing (WGS) in unexplained neurodevelopmental disorders (NDDs)? Finding: WES and WGS achieved a combined diagnostic yield of 39.1% in children with NDDs. Novel variants accounted for over half the pathogenic findings, and trio-based or phenotype-driven testing improved the diagnostic rate. Meaning: Comprehensive genomic sequencing integrated with clinical phenotyping enhances diagnostic yield among children with NDDs. |
|
|
Question: What genes are commonly altered in mother-neonate dyads immediately after shared exposure to preeclampsia? Finding: Perinatal/peripartum gene expression in preeclampsia is context-dependent, involves diverse signaling pathways, and is associated with some perinatal features. Meaning: Our results may help build the fundamentals for managing future cardiometabolic risks in these populations. Further investigation of the long-term influence of these candidate genes on cardiometabolic phenotypes is required. |
|
|
Question: How have epilepsy and cognitive outcomes of children with infantile epileptic spasms syndrome (IESS) evolved over the past 20 years? Finding: Approximately 78% of children developed chronic epilepsy, and one-third progressed to drug-resistant epilepsy, while 90% of them exhibited intellectual disabilities. Meaning: Given the poor outcomes associated with IESS, consensus guidelines tailored to Korean clinical practice are required to ensure timely treatment and improve outcomes. |
|
|
Question: Can hematopoietic stem cell transplantation (HSCT) cure pediatric transfusion-dependent thalassemia in Thailand? What influences its outcomes? Finding: Among 266 HSCT procedures, 5-year overall survival and event-free survival rates were 91.3% and 81.0%, respectively. Outcomes were comparable between related and unrelated donors. Pre-HSCT ferritin >2,500 ng/mL, low CD34+ cell dose, and oral busulfan conditioning were associated with unfavorable survival. Longterm complications affected 22.7% of survivors. Meaning: Optimizing pre-HSCT care, ensuring adequate grafting, and long-term surveillance are crucial. |
|
|
Question: Does atrial septal defect (ASD) physiology affect postrepair mitral valve growth in patients with coarctation of the aorta or an interrupted aortic arch? Finding: Mitral valve growth occurred after biventricular repair but not single-ventricle palliation, particularly in patients with small valves and low ASD pressure gradients. Meaning: The ASD pressure gradient determines mitral valve growth and should guide surgical strategies in patients with borderline hypoplastic left heart syndrome. |
|
|
Question: Is prolonged monitoring of regional cerebral oxygen saturation (rcSO2) and hemodynamic parameters a feasible approach? Can these measures predict the neurological outcomes in extremely preterm infants? Finding: We used a neurocritical care bundle from birth to discharge or term-equivalent age. Infants with poor outcomes had significantly lower rcSO2 values. Meaning: Understanding rcSO2 and hemodynamic parameters may help manage cerebral hypoxia and reduce neurological complications in extremely preterm infants. |
|
|
Question: What are the characteristics and clinical implications of thrombocytopenia in preterm neonates born to mothers with systemic lupus erythematosus? Finding: Nearly one-third of preterm infants developed thrombocytopenia. Key modulators of this risk included gestational age, maternal hypertensive disorders of pregnancy, and hydroxychloroquine use. Thrombocytopenia may be associated with neonatal morbidity. Meaning: Platelet count should be monitored during the first week of life, and infants should be assessed for potential complications. |
|
|
Question: Can a basophil activation test (BAT) of cord blood predict a cow's milk allergy? Finding: Infants with a high casein-BAT value were more likely to develop food allergy symptoms in the first year, whereas cow’s milk BAT showed no predictive association. Meaning: Cord blood casein BAT may help identify newborns at increased risk for early-life food allergies, enabling closer monitoring and preventive strategies, although larger studies are needed for validation. |
|
|
Question: How does obesity severity affect baseline fitness and improvements in key obesity-related measures following participation in a structured lifestyle modification program? Finding: Severely obese youth showed poorer baseline physical fitness but greater improvements in key obesity-related measures following lifestyle interventions. Meaning: Early targeted intervention may help prevent progression to more severe obesity and declines in physical fitness in patients with obesity. |
|
|
Question: Do gut microbiota differ between patients with Hirschsprung disease (HSCR) and healthy children, and can specific bacterial taxa predict postoperative HSCRassociated enterocolitis (HAEC)? Finding: Patients with HSCR showed gut dysbiosis with reduced diversity. Postoperative microbial changes included increased alpha diversity. Certain taxa, such as Eubacterium and Collinsella, were associated with recovery or HAEC. Meaning: Distinct microbial signatures may help identify HAEC risk and guide microbiota-based strategies to improve outcomes. |
|
|
This study provides the first comprehensive estimated global burden of neonatal disorders attributable to risk factors in 1990–2021 stratified by sex, cause, sociodemographic index (SDI), and region. We identified persistent disparities across SDI levels, with low birthweight and short gestation contributing most to the age-standardized disability-adjusted life year rate of neonatal disorders. These findings highlight the urgent need for targeted context-specific interventions to reduce infant mortality and improve neonatal health equity. |
|
|
In a population‑based cohort of 74,466 children, 25% experienced early adiposity rebound (AR) by age 3. Daily breakfast and routine napping at 1.5 years were independently associated with lower odds of AR, while obesity at 1.5 years was a strong predictor. These modifiable routines could help delay AR and enable early identification during routine child health checks. |
|
|
Question: Can probiotic BLa80 bring long-term benefits to the health of young children? Finding: This trial demonstrated that the daily administration of s BLa80 at 5×109 colony-forming units for 3 months in children can reduce the risk of eczema, upper respiratory tract infections, and acute tracheitis/bronchitis as well as beneficially improve the gut microbiome without any adverse effect. Meaning: Bla80 can bring definite health benefits to young children. |
|
|
Approximately 1 in 5 children with acute pancreatitis develops recurrent attacks, and over one-third of such cases progress to chronic pancreatitis. Progression is closely linked to genetic mutations, particularly PRSS1, and anatomical abnormalities, whereas demographic and routine clinical factors lack predictive value. These results support early genetic and anatomical assessments, enabling targeted follow-ups and timely interventions in highrisk pediatric patients. |
|
|
Question: Which immunomodulatory strategies can reduce mortality in children with acute necrotizing encephalopathy (ANE)? Finding: High-dose methylprednisolone (30 mg/kg/day) significantly improved the survival of high-risk patients, particularly when combined with tocilizumab. Meaning: These findings support the use of a severity-based immunotherapy approach to optimize the outcomes of pediatric ANE. |
|
|
Question: Associations have been made between maternal sleep disorders during pregnancy and allergic diseases including bronchial asthma, atopic dermatitis, food allergy, and allergic conjunctivitis/rhinitis/hay fever in their children. Finding: In the crude model, sleep disorders during pregnancy were associated with all examined allergic diseases in children. After adjustment, significant associations remained for atopic dermatitis and allergic conjunctivitis/rhinitis/hay fever. Meaning: The study highlights associations between maternal sleep and child allergic diseases. |
|
|
Question: Does maternal gestational diabetes mellitus (GDM) affect newborn gut microbiota and metabolomic profiles? Finding: Neonates born to mothers with diet-controlled GDM exhibited reduced gut microbiota α-diversity, altered β-diversity, and metabolic shifts, including changes in fumarate and succinate levels, with peroxisome proliferator-activated receptor and adipocytokine signaling pathway activation. Meaning: Maternal GDM affects early microbial colonization and metabolism in newborns and may have long-term health implications. |
|
|
Sleep disorders affect more than half of pregnancies worldwide and can harm maternal health and offspring outcomes. Prioritizing maternal sleep as a public health strategy may help prevent prenatal and pediatric allergic diseases and reduce their burden. Other maternal health strategies may also reduce the burden of offspring allergic diseases, while adequate maternal sleep is associated with other offspring outcomes, underscoring its importance as a key public health strategy. |
|
|
Early lipid screening, including lipoprotein(a) (Lp(a)), in children/adolescents is key to identifying and managing dyslipidemia and reducing the risk of early-onset cardiovascular disease. This study shows that prevalence of elevated Lp(a) in high-risk Portuguese children is alarming, with over 30% at intermediate/high risk and nearly 1% at very high-risk (>430 nmol/L). Since Lp(a) is mostly genetically determined, one-time early screening in atrisk children is crucial for timely monitoring and prevention. |
|
|
Question: Bronchopulmonary dysplasia (BPD) is the most prevalent chronic lung disease of prematurity. Numerous nonpharmacological/pharmacological interventions have been investigated without clear consensus. Can ciclesonide, a new synthetic glucocorticoid, effectively treat BPD? Finding: Ciclesonide mitigated hyperoxia-induced lung injury and right ventricular hypertrophy in newborn rats. Meaning: These findings suggest that postnatal ciclesonide may be an alternative to existing corticosteroids for the treatment of BPD. |
|
|
Question: Can cytokine levels predict low cardiac output syndrome (LCOS) in children post–cardiopulmonary bypass? Finding: Elevated interleukin (IL)-6, IL-8, and tumor necrosis factor-α levels were associated with LCOS, with an increase in IL-8 of >56 pg/mL from baseline to immediately postoperative being the strongest predictor. Meaning: Monitoring immediately postoperative IL-8 levels may help identify pediatric patients at risk of LCOS, enabling timely interventions to improve outcomes. |
|
|
Question: Addressing crucial genetic variants within the vitamin D pathway and coronavirus disease 2019 (COVID-19) susceptibility, the vitamin D receptor, vitamin D binding protein, and CYP27B1-1260 polmorphisms might be associated with COVID-19 occurrence and severity in children. Finding: The FokI FF genotype might be an independent risk factor for COVID-19 severity in childhood. Meaning: This research may further elucidate genetic susceptibility to multisystem viral infections and establish genetic markers for severe clinical outcomes. |
|
|
Question: Does human leukocyte antigen (HLA)–B*58:01 increase the risk of cutaneous reactions in pediatric patients with hematological and oncological diseases receiving allopurinol? Finding: : Of 108 patients, 17.6% carried HLA–B*58:01 but none developed skin reactions. The only rash occurred in an HLA-B*58:01–negative patient. Meaning: Short-duration allopurinol may mitigate severe cutaneous adverse reaction risk regardless of genotype. Routine HLA-B*58:01 screening may be unnecessary in pediatric patients with hematological and oncological diseases briefly receiving allopurinol. |
Clinical and Experimental Pediatrics is an open access journal. All articles are distributed under the terms of the Creative Commons Attribution NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/)
Copyright © 2026 by Korean Pediatric Society.





