"Most viewed" Articles are from the articles published in 2024 during the last six month.
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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. |
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· With the increase in childhood obesity, nonalcoholic fatty liver disease (NAFLD) has become a concern in recent years. · NAFLD is strongly associated with insulin resistance. · Lifestyle modifications are the mainstay treatment for NAFLD. |
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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. |
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The long-term effects of concussion for pediatric patient remains unclear. Children and teenagers do not experience or recover from concussion in the same manner as adults do. Concussions can cause a variety of anatomical and functional alterations. Nonpharmacological approach in pediatric concussion management is an understudied field of research with significant ability to affect prognosis and quality of life. Active rehabilitation and occupational therapy were especially promising. |
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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. |
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· Plagiocephaly is characterized by the asymmetrical shape of a baby’s head. · Since positional plagiocephaly is associated with developmental delay and further musculoskeletal problems, early detection allows for timely intervention and prevents worsening of the condition. · Pediatricians can educate parents about proper head positioning and encourage supervised tummy time during awake hours. |
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Question: What perinatal factors influence patent ductus arteriosus (PDA) in and improve outcomes of preterm infants? Finding: Lower birth weight, frequent surfactant treatment, and maternal hypertension increased hemodynamically significant PDA risk in very low birth weight infants, whereas chorioamnionitis and premature rupture of membranes protected against it. A lower birth weight and incomplete antenatal steroid use increased the risk of surgical ligation, whereas small for gestational age reduced it. Meaning: Recognizing these factors may enable early, targeted intervention and reduce the need for surgical management. |
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The definition of bronchopulmonary dysplasia (BPD) has continued to evolve. Recently, newer definitions based on respiratory support at 36 weeks’ postmenstrual age better predict long-term outcomes but diagnose BPD relatively late. To address this limitation, the New Japanese Classification uses early postnatal factors, including small for gestational age and bubbly or cystic chest radiographic findings, to predict severe BPD and enable early targeted interventions. |
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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. |
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Question: Is there a reliable model to predict intravenous immunoglobulin (IVIG)-resistant Kawasaki disease (KD)? Finding: We constructed 5 machine learning models to predict IVIG-resistant KD. Extreme gradient boosting (XGBoost) model was superior to logistic, support vector machine, light gradient boosting machine and multiple layers perception models. The SHAP (SHapley Additive exPlanations) value interpreted the contribution of each feature in XGBoost model. Meaning: XGBoost model showed the excellent performance to predict IVIG-resistant KD with explainable and visualizable machine learning algorithm. |
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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. |
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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. |
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· Infection remains a leading cause of death in febrile neutropenia (FN). · Mid-regional pro-adrenomedullin (MR-ProADM) levels are higher among patients with FN and a bacterial infection. · A longer FN duration and hospital stay length as well as elevated C-reactive protein, procalcitonin, and MR-ProADM levels are significant risk factors for mortality. |
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Question: How is arterial blood pressure related to cerebral oxygenation during the immediate postnatal transition in neonates? Finding: Among preterm infants requiring respiratory support, cerebral oxygenation was associated with diastolic and mean arterial pressures, indicating passive pressure perfusion. Meaning: Compromised preterm infants are vulnerable to impaired autoregulation with cerebral oxygenation fluctuations, highlighting the need for hemodynamic and cerebral monitoring plus routine monitoring of arterial oxygen saturation and heart rate. |
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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. |
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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. |
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Question: What are the roles of thyroid hormones and endothelin in South Indian children with asthma? Finding: Thyroid hormone and endothelin levels were significantly elevated in South Indian children with asthma; poorly controlled cases exhibited the highest levels. Elevated thyroid-stimulating hormone and endothelin levels were correlated with asthma severity. Meaning: Serum endothelin is a potential surrogate marker for asthma severity that could aid the assessment and management of childhood asthma. |
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The overall incidence of bloodstream infections was 23.5%. Gram-negative organisms occur at a much higher rate in pediatric liver transplant recipients then that the general pediatric population. However, when comparing pediatric and adult liver transplant recipients Gram-positive organisms occur with a much higher rate in the pediatric population highlighting the importance of early and broad spectrum antimicrobial coverage when bloodstream infections are suspected. |
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Myopia is a growing global public health concern because of its association with irreversible vision loss such as myopic traction maculopathy, rhegmatogenous retinal detachment, and glaucoma. The effective prevention of myopia in childhood requires a multidisciplinary approach that integrates ophthalmologic care with lifestyle, nutrition, and sleep interventions. Early detection through regular visual screening in schools and primary care settings and timely ophthalmology referrals are critical to preventing high myopia. |
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· The ecological impacts of microplastics have been documented. It was recently recognized that they can directly or indirectly cause diseases in humans. · There are few established methods for assessing human exposure to microplastics. · Standardization of exposure assessments and large-scale epidemiological studies are required to explore the human effects of microplastics. |
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· Polymorphisms in interleukin (IL)-1B and IL-1 receptor (IL-1R) antagonists may significantly affect the pathogenesis of immune thrombocytopenia (ITP). · IL-1B and IL-1R antagonist gene polymorphisms are correlated with severity and susceptibility to primary ITP in children. |
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Question: Can the revised Japanese classification predict severe bronchopulmonary dysplasia (BPD) early in preterm infants? Finding: Small for gestational age and bubbly/cystic chest radiographic patterns were independently associated with severe BPD, and subtypes I and III showed particularly strong associations. Meaning: This classification may facilitate early risk stratification and guide timely supportive strategies to prevent progression to severe BPD. |
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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. |
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Question: How does iron overload affect immunity in pediatric patients with transfusion-dependent β-thalassemia major? Finding: Iron overload in these patients is associated with disrupted natural killer (NK) cell subpopulations, reflecting impaired innate immunity. Meaning: This highlights the need to monitor immune profile alongside iron status during thalassemia management. |
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Functional gastrointestinal disorders (FGIDs) are associated with various somatic symptoms measured using a visual analogue scale and the Children’s Somatic Symptoms Inventory-24 questionnaire. Children with FGIDs exhibited more significant somatic symptoms than controls during acute illnesses. Gastrointestinal (GI) and non-GI manifestations are significantly more common in children with FGIDs. |
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Question: How stable are the revised Korean Developmental Screening Test score classifications in early infancy? Finding: A significant number of infants improved into the peer and high-level group (≥-1 standard deviations), especially in the gross motor area. Meaning: The early detection of developmental delay requires a comprehensive medical history, physical and neurological examinations, and repeated developmental screenings. |
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Question: Does paternal support affect exclusive breastfeeding failure? Finding: Exclusive breastfeeding failure by 3 months was affected by paternal support. Meaning: Fathers should be included in breastfeeding education and antenatal care. |
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Question: Did coronavirus disease 2019 (COVID-19) affect the frequency, seasonal variation, or virus type of benign convulsions with mild gastroenteritis (CwG)? Findings: We compared 41 cases of CwG before and during the COVID-19 pandemic. After March 2020, frequency did not change significantly (18 patients vs. 23 patients), seasonal variation was lost, and number of cases of enteric adenovirus-associated CwG increased (1 cases vs. 7 cases). Meaning: The COVID-19 pandemic affected CwG. |
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· Parents’ occupational hazards, long working hours, and smoking behaviors should be modified adequately to minimize adverse health effects on their children. · As of 2023, several diseases from fetal exposure to occupational hazards can be compensated with Industrial Accident Compensation Insurance in South Korea. · A directed acyclic graph is recommended for medical research to control the effects of parents’ behaviors on children’s health. |
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.





