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"Most downloaded" Articles are from the articles published in 2024 during the last six months.

Editorial
Other
Further research on impact of microplastics on children's health is essential to protecting future generations   (47 times)
Jongin Lee, Dong-Wook Lee
Clin Exp Pediatr. 2025;68(5):359-361.   Published online November 13, 2024
· 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.
Original Article
General Pediatrics
Comparative analysis of goal attainment for helmet therapy versus conservative management for positional plagiocephaly in infants   (47 times)
Bjoern Vogt, Ariane Deutschle, Georg Gosheger, Adrien Frommer, Andrea Laufer, Henning Tretow, Robert Roedl, Gregor Toporowski
Clin Exp Pediatr. 2025;68(11):892-900.   Published online October 2, 2025
Question: Is helmet therapy more effective than conservative management in treating positional plagiocephaly?
Finding: Both approaches reduced cranial asymmetry with comparable correction speed. Helmet therapy showed a trend toward greater severity reduction.
Meaning: Early treatment initiation was the strongest predictor of improvement. Helmet therapy may offer additional benefit in more severe cases.
Guideline
Infection
Recommendation for use of 15- and 20-valent pneumococcal conjugate vaccines in Korean infants and children   (47 times)
Ki Wook Yun, Dong Hyun Kim, Jong Gyun Ahn, Byung-Wook Eun, Jin Lee, Jina Lee, Taek-Jin Lee, Hyunju Lee, Dae Sun Jo, Eun Young Cho, Hye-Kyung Cho, Soo-Han Choi, Young June Choe, Ui Yoon Choi, Yun-Kyung Kim; The Committee on Infectious Diseases of the Korean Pediatric Society
Clin Exp Pediatr. 2026;69(1):76-83.   Published online December 30, 2025
Compared to PCV13, PCV15 includes 2 (22F and 33F), and PCV20 includes 7 (8, 10A, 11A, 12F, 15B, 22F, and 33F) additional serotypes. The vaccination schedule remains the same: primary doses at 2, 4, and 6 months, and a booster at 12–15 months. If PCV13 was administered in the primary series, PCV15 and PCV20 may be used to complete it or as a booster.
Original Article
Neonatology (Perinatology)
Thrombocytopenia in preterm infants born to mothers with systemic lupus erythematosus: a retrospective cohort study   (46 times)
Ru Xue, Guoqing Zhang, Xiafang Chen, Jun Bu, Lanlan Mi, Fei Bei
Clin Exp Pediatr. 2026;69(3):266-273.   Published online December 22, 2025
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.
Pulmonology
High-Risk CCL14 lineage drives severe Mycoplasma pneumoniae pneumonia in children: a study in central China   (46 times)
Chunbo Hao, Zijie Li, Yanjuan Yu, Song Wang, Genhao Wang, Gaijing Jia, Tiantian Sun, Shouhang Chen, Yang Wu, Yu Tang, Fang Wang, Guangcai Duan, Yuefei Jin
Clin Exp Pediatr. 2026;69(6):497-507.   Published online April 10, 2026
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.
Review Article
Gastroenterology
Practical concepts and strategies for early diagnosis and management of eosinophilic gastrointestinal disorders in East-Asian children   (45 times)
Byung-Ho Choe
Clin Exp Pediatr. 2025;68(3):185-198.   Published online November 13, 2024
Eosinophilic gastrointestinal disorders (EGIDs) often coexist with functional gastrointestinal disorders (FGIDs) and other IgE or non-IgE mediated GI diseases. Diagnosing EGIDs requires a high index of suspicion and a comprehensive approach to differentiate them from conditions like inflammatory bowel disease. Tests such as fecal calprotectin and biopsies aid in severe cases. Maintaining a food diary helps identify triggers for long-term elimination. Awareness and education are key to effective management.
Editorial
Neurology
Tocilizumab as a key therapeutic option in high-risk pediatric acute necrotizing encephalopathy   (45 times)
Jon Soo Kim
Clin Exp Pediatr. 2026;69(2):114-116.   Published online January 26, 2026
· Acute necrotizing encephalopathy (ANE) is a severe, infection- triggered encephalitis driven primarily by cytokine- mediated immune dysregulation rather than direct viral cytotoxicity.
· Tocilizumab, through targeted inhibition of interleukin-6 signaling, is an important therapeutic option for ANE that may improve survival and neurological outcomes of high-risk pediatric patients.
Review Article
Other
Cost-effectiveness of newborn screening for severe combined immunodeficiency: a systematic review   (44 times)
Rezwanul Rana, Syed Afroz Keramat, Moin Ahmed
Clin Exp Pediatr. 2025;68(9):628-640.   Published online April 16, 2025
Universal newborn screening for severe combined immunodeficiency (SCID) demonstrates robust cost-effectiveness across diverse high-income healthcare systems, both from healthcare and societal standpoints. Early detection yields substantial savings. While uncertainties persist, impacting precise cost-effectiveness, the overall finding is positive. Future research must prioritize enhanced data collection and statistical rigor to refine our understanding of SCID's economic impact within the Australian context.
Original Article
Neonatology (Perinatology)
Respiratory severity score-guided postnatal systemic corticosteroid therapy for bronchopulmonary dysplasia in extremely preterm infants   (44 times)
Gyeong Eun Yeom, Ju Sun Heo, Baek Sup Shin, Seh Hyun Kim, Seung Han Shin, Ee-Kyung Kim, Han-Suk Kim
Clin Exp Pediatr. 2025;68(9):656-665.   Published online July 8, 2025
Question: Does a respiratory severity score (RSS)-guided postnatal corticosteroid protocol improve respiratory outcomes of extremely preterm (EP) infants without worsening neurodevelopmental outcomes?
Finding: The protocol enabled targeted and early steroid use, thereby reducing severe bronchopulmonary dysplasia without affecting mortality or causing neurodevelopmental impairments.
Meaning: The RSS-guided protocol may offer a more precise and individualized postnatal corticosteroid therapy for EP infants.
General Pediatrics
Global and regional burden of neonatal disorders (preterm birth, encephalopathy, jaundice, and sepsis), 1990–2021 and projections to 2050   (43 times)
Yuseon Kang, Jeongseon Oh, Dongjin Yeo, Jaeyu Park, Sooji Lee, Na Yun Kim, Jungmin Park, Seung Ha Hwang, Tae Hyeong Kim, Dong Keon Yon
Clin Exp Pediatr. 2026;69(2):171-181.   Published online October 30, 2025
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.
Review Article
Neonatology (Perinatology)
Strategies to support language development in neonatal intensive care unit: a narrative review   (42 times)
Ju Sun Heo, Ee-Kyung Kim
Clin Exp Pediatr. 2024;67(12):651-663.   Published online November 6, 2024
· Preterm infants often experience speech and language development delays during early childhood, impacting children's ultimate outcomes.
· Promoting breastfeeding, increasing parent-infant interactions in a single-family room, promoting a nurturing language environment by parental book reading and language interventions, and parent-integrated interventions in the neonatal intensive care unit could potentially enhance children's language development.
· Integrating these strategies through family-centered care is essential.
Endocrinology
A review of vitamin D deficiency and vitamin D receptor polymorphisms in endocrine-related disorders   (42 times)
Nur Faten Hafizah Rosli, Noor Shafina Mohd Nor, Rose Adzrianee Adnan, Siti Hamimah Sheikh Abdul Kadir
Clin Exp Pediatr. 2025;68(1):30-52.   Published online November 6, 2024
· The prevalence of vitamin D deficiency is high among children and adolescents and mainly attributed to changes in environmental factors.
· Vitamin D hormone-like properties are associated with many endocrine-related disorders.
· The effect of vitamin D is modulated by the vitamin D receptor, polymorphisms of which are reportedly associated with an increased risk of disease development in children and adolescents.
Editorial
Neonatology (Perinatology)
Intermittent sigh breaths during high-frequency oscillatory ventilation among newborn infants   (41 times)
Ga Won Jeon
Clin Exp Pediatr. 2025;68(7):486-488.   Published online April 16, 2025
Intermittent sigh breaths during high-frequency oscillatory ventilation can improve ventilation and oxygenation by enhancing lung recruitment. Although research on this approach in newborn infants is limited, some published studies suggest that sigh breaths are generally applied at a rate of 2–3 breaths/min with an inspiratory time of 0.5–1 second and pressure of current mean airway pressure + 5 cmH2O (maximum, 30 cmH2O).
Letter to the Editor
General Pediatrics
Debate around and impact of digital screen time and media parenting on children’s development   (41 times)
Gowda Parameshwara Prashanth
Clin Exp Pediatr. 2025;68(7):551-553.   Published online March 11, 2025
Original Article
Pulmonology
Clinical course of children with postinfectious bronchiolitis obliterans with versus without comorbid bronchopulmonary dysplasia   (40 times)
Lamia Medghoul, Julien Grosjean, Christophe Marguet, Hortense Petat
Clin Exp Pediatr. 2025;68(7):497-502.   Published online April 1, 2025
Question: Postinfectious bronchiolitis obliterans (PIBO) is a chronic respiratory disease that typically develops in children after a severe respiratory infection. Bronchopulmonary dysplasia (BPD) is often comorbid in patients with PIBO.
Finding: Corticosteroid pulse therapy effectively manages PIBO with or without comorbid BPD, significantly reducing exacerbations and decreasing the daily requirement for inhaled corticosteroids.
Meaning: Therapeutic effects of corticosteroid pulses are rapid and sustained over time, in both groups.
Gastroenterology
Dual-strain probiotics Bifidobacterium bifidum and Lactobacillus acidophilus reverse gut dysbiosis in preterm neonates: a randomized controlled trial   (40 times)
Setthawut Sittiwong, Pornthep Tanpowpong, Pisut Pongchaikul, Pracha Nuntnarumit
Clin Exp Pediatr. 2025;68(10):763-771.   Published online August 6, 2025
Question: Can probiotics BB/LA reverse gut dysbiosis in preterm neonates?
Finding: BB/LA supplementation induced more diverse beta diversity and increased relative abundances of Bifidobacterium, Lactobacillus and decreased relative abundance Clostridium.
Meaning: Early BB/LA supplementation could reverse gut dysbiosis in preterm neonates.
Neonatology (Perinatology)
Less invasive surfactant administration versus intubation-surfactant-extubation: a single-center retrospective study   (40 times)
C.S. Jithin, A. Nalina, A. Shashidhar, P.N. Suman Rao
Clin Exp Pediatr. 2025;68(12):991-997.   Published online October 2, 2025
Question: Does less invasive surfactant administration (LISA) (vs. intubation-surfactant-extubation) improve clinical outcomes in preterm infants with respiratory distress syndrome?
Finding: LISA significantly reduced intubation and invasive mechanical ventilation needs within the first 72 hours and shortened the overall invasive respiratory support duration without increasing other morbidities.
Meaning: LISA is a less invasive and safer surfactant delivery alternative. Larger multicenter trials are needed to confirm its long-term safety and efficacy, especially in low- and middle-income countries.
General Pediatrics
Associations of routine breakfast and napping habits with early adiposity rebound by age 3 years: a population-based cohort study in Japan   (40 times)
Toshifumi Yodoshi
Clin Exp Pediatr. 2026;69(2):163-170.   Published online October 22, 2025
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.
Review Article
Hematology
Iron deficiency in children with a focus on inflammatory conditions   (38 times)
Na Hee Lee
Clin Exp Pediatr. 2024;67(6):283-293.   Published online May 21, 2024
· Iron deficiency has important effects on neurodevelopment and the immune system in children.
· Hepcidine plays an important role in iron homeostasis.
· Diagnosis and treatment of iron deficiency in chronic inflammatory disease are important for patients' quality of life and disease course.
Original Article
Other
Comparing ethyl chloride and 10% lignocaine spray for pediatric intravenous cannulation pain relief   (38 times)
Susmitha Vellanki, Malavika Kulkarni, H.D. Arun Kumar, Deepali Shetty, Nikhil Karthik B, Mathew Tom
Clin Exp Pediatr. 2026;69(1):65-72.   Published online November 21, 2025
Background: Intravenous cannulation (IVC) is a routine yet distressing procedure in pediatric patients, often provoking significant anxiety and procedural pain. Although eutectic mixtures such as eutectic mixture of local anesthetic cream are widely used, their delayed onset limits their applicability in time-sensitive settings. Ethyl chloride vapocoolant spray and 10% lignocaine spray have been proposed as rapid-onset alternatives, yet direct comparative...
Review Article
Allergy
Skin and oral intervention for food allergy prevention based on dual allergen exposure hypothesis   (37 times)
Kiwako Yamamoto-Hanada, Yukihiro Ohya
Clin Exp Pediatr. 2024;67(10):477-485.   Published online June 14, 2023
To prevent food allergy in infants, based on the dual allergen exposure hypothesis, we recommend a personalized approach consisting of both skin intervention (eczema treatment to achieve early remission and well-controlled skin without eczema to prevent percutaneous immunoglobulin E sensitization) and oral intervention (early allergenic food introduction).
Adolescence Medicine
Diet-related behaviors affecting health and substance use among children and adolescents   (36 times)
Ji-Hyun Seo, Sochung Chung
Clin Exp Pediatr. 2024;67(12):664-671.   Published online October 31, 2024
· Diet behaviors in children and adolescents are influenced by environmental and sociocultural factors.
· Unhealthy diet behaviors and poor diet quality are the main contributing factors to noncommunicable diseases and mental health problems during childhood and adolescence.
· Smoking and alcohol drinking in children and adolescents may be associated with unhealthy diet behavior or poor diet quality.
Editorial
Allergy
Comorbidities of allergic rhinitis in children   (36 times)
Yong Ju Lee
Clin Exp Pediatr. 2024;67(12):675-676.   Published online July 31, 2024
· Allergic rhinitis in children often goes undiagnosed or untreated, with significant systemic complications like sleep disorders, growth issues, and gastrointestinal symptoms linked to nasal obstruction.
· A patient-centered action plan that considers symptom severity, preferences, and comprehensive management of associated complications is essential for effective treatment.
Review Article
Allergy
Eosinophil-derived neurotoxin levels can predict allergic disease development and atopic march in children   (36 times)
Zak Callaway, Chang-Keun Kim
Clin Exp Pediatr. 2025;68(6):398-405.   Published online February 3, 2025
· Allergic march occurs in a subset of children, beginning with atopic dermatitis and progressing to food allergies, allergic rhinitis, and/or asthma. Its early diagnosis is important to slowing its progression.
· Eosinophil-derived neurotoxin (EDN), an excellent biomarker of eosinophil activity, is often elevated in allergic diseases.
· EDN levels have been used to predict allergic disease development and diagnose, treat, and monitor allergic diseases.
Original Article
Endocrinology
Long-term epidemiological insights into rickets: a nationwide population-based retrospective study   (36 times)
Chun-Hao Chu, Ying-Chuan Chen, Pei-Yao Liu, Chun-Chieh Hu, Yu-Lung Lin, Feng-Chih Kuo, Chieh-Hua Lu, Tzu-Ju Hsu, Yu-Tung Hung, Fuu-Jen Tsai, Chien-Ming Lin
Clin Exp Pediatr. 2025;68(11):879-891.   Published online August 20, 2025
Question: What are the nationwide trends and mortality risk factors of nutritional versus hereditary rickets among children in Asia?
Finding: In 2012–2018, the incidence of rickets steadily increased, whereas mortality rates declined. Mortality is associated with a low household income, anemia, chronic kidney disease, secondary hyperparathyroidism, and a prolonged hospital stay.
Meaning: Early diagnosis and targeted interventions addressing social and medical vulnerabilities are critical to reducing ricket-related mortality.
Neonatology (Perinatology)
Association between impaired renal function based on decline in serum creatinine level and brain injury in neonates with hypoxic-ischemic encephalopathy   (36 times)
Mélaine Boget, William Rozalen, Jeanne Fayard, Mohamed Boucekine, Diane Gillot, Isabelle Grandvuillemin, Farid Boubred
Clin Exp Pediatr. 2026;69(5):437-442.   Published online April 27, 2026
Question: The clinical relevance of impaired renal function (IRF), based on the rate of serum creatinine level decline during the week after birth, in neonates treated with therapeutic hypothermia for hypoxic-ischemic encephalopathy need further investigation.
Finding: In this study, neonates with IRF had 2-fold higher risk of early death or severe brain injury.
Meaning: IRF can be used as a marker of adverse neonatal outcomes.
Review Article
Endocrinology
Association between pre- and postnatal exposure to endocrine-disrupting chemicals and birth and neurodevelopmental outcomes: an extensive review   (35 times)
Ozge Yesildemir, Mensure Nur Celik
Clin Exp Pediatr. 2024;67(7):328-346.   Published online November 16, 2023
· Sensitivity to endocrine-disrupting chemical (EDC) exposure increases during critical developmental periods (in embryos, fetuses, and neonates).
· Pre- and postnatal exposure to EDCs is associated with fetal growth restriction, preterm birth, and low birth weight.
· Exposure to EDCs during fetal and early postnatal life can have lasting and lifelong neurodevelopmental outcomes, including autism spectrum, attention deficit hyperactivity, and other cognitive and behavioral disorders.
Nephrology (Genitourinary)
Effects of diethylene glycol contamination of pharmaceutical products on unexplained acute kidney injury in children: a systematic review   (35 times)
Sani Rachman Soleman, Muhammad Luthfi Adnan, Hilmi Ardian Sudiarto, Satria Bintang Mahathma, Alya Ayu Tazkia, Hana Afifah Firdaus, Alfreda Amelia Khotijah, Miranti Dewi Pramaningtyas, Emi Azmi Choironi
Clin Exp Pediatr. 2024;67(8):395-402.   Published online January 4, 2024
A recent unexplained acute kidney injury (AKI) outbreak due to pharmaceutical product contamination with diethylene glycol (DEG) raises public attention. Our study revealed that DEG-contaminated paracetamol causes unexplained AKI in children. However, paracetamol is not the only contaminated drug. Other drugs, such as cough expectorants, antihistamines, and sedatives, can also be affected. Other chemicals, such as ethylene glycol and propylene glycol, can also contribute to poisonings.
Clinical Note
Genetics and Metabolism
Happle-Tinschert syndrome in an infant: clinical, radiologic and genetic correlation   (35 times)
Belén Rodríguez-Sanchez, Francisco Javier Narbona-Cárceles, Jorge Martín-Nieto-González, Marina de la Puente-Alonso, Luis Zamarro-Díaz, Luis Jiménez-Briones, Julia Suárez-González, Francisco Arias-Lotto, Minia Campos-Domínguez
Clin Exp Pediatr. 2026;69(2):182-185.   Published online January 20, 2026
Original Article
Neurology
Evaluation of pediatric migraine triggers: a single-center study   (34 times)
Hey-Joon Son, Joo-Ok Jin, Kon-Hee Lee
Clin Exp Pediatr. 2025;68(2):163-169.   Published online November 11, 2024
Question: What are the primary triggers for pediatric migraines, and how do they impact clinical management?
Finding: Common triggers for pediatric migraines include sleep disturbances, academic stress, and motion sickness, with academic stress identified as the most intense.
Meaning: Recognizing and addressing specific triggers like sleep disturbance and academic stress is crucial to effectively managing pediatric migraines with emphasis on personalized care to improve outcomes.


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