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Neonatology (Perinatology)
Effect of high-frequency oscillatory ventilation with intermittent sigh breaths on carbon dioxide levels in neonates
Kulthida Baingam, Anucha Thatrimontrichai, Manapat Praditaukrit, Gunlawadee Maneenil, Supaporn Dissaneevate
Clin Exp Pediatr. 2025;68(2):178-184.   Published online November 13, 2024
Question: Can sigh breaths (Sighs) application during high-frequency oscillatory ventilation (HFOV) decrease partial pressure of carbon dioxide (PaCO2) levels?
Finding: The mean PaCO2 level after Sighs during HFOV was significantly decreased compared to that after HFOV alone (mean difference, -3.6 mmHg).
Meaning: HFOV plus Sighs functionality can reduce PaCO2 levels. However, further studies are required to conclusively determine the effects of Sighs.
Developmental and Behavioral Medicine
Characteristics of temper tantrums in 1–6-year-old children and impact on caregivers
Warangkana Prutipaisan, Issarapa Chunsuwan, Tippawan Hansakunachai, Paskorn Sritipsukho
Clin Exp Pediatr. 2025;68(2):170-177.   Published online November 13, 2024
Question: What are common tantrum behaviors in preschool children, and how frequently are problematic behaviors observed? Do problematic tantrums have a different emotional impact on caregivers compared to typical tantrums?
Finding: Temper tantrums are common in preschool children, and verbal tantrums are the most common type.
Meaning: Problematic tantrums, defined as tantrums exhibiting aggressive physical behavior, long duration (>15 minutes), or frequent occurrence (>3 days/wk), significantly affected caregivers’ emotions.
Neurology
Evaluation of pediatric migraine triggers: a single-center study
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.
Infection
Clinical characteristics and associated factors of pediatric acute necrotizing encephalopathy: a retrospective study
Huiling Zhang, Yilong Wang, Qianyun Ding, Xuekun Li, Sheng Ye
Clin Exp Pediatr. 2025;68(2):153-162.   Published online November 11, 2024
· The mortality rate of acute necrotizing encephalopathy was high.
· Laboratory tests revealed that the fatal group had higher creatinine, lactate, activated partial thromboplastin time, thrombin time, interleukin (IL)-6, IL-10, creatine kinase, and D-dimer than survivors.
· The fatal group displayed lower Glasgow Coma Scale scores and arterial pH.
Gastroenterology
Differences in immune cells and gene expression in human milk by parity on integrated scRNA sequencing
Dae Yong Yi, Hong-Jai Park, Min Sun Shin, Hyoungsu Kim, Sang Jin Lee, Insoo Kang
Clin Exp Pediatr. 2025;68(2):141-152.   Published online January 10, 2025
Question: Is there a difference in immune cells in human breast milk by parity?
Finding: There were higher proportions of monocytes and T/B cells in the primiparous and multiparous group, respectively. The expression of genes with a direct role in the infant immune system and immune response-related genes were highest in the primiparous group
Meaning: There were parity-dependent differences in the expression of genes between innate and adaptive immune cells.
Neurology
Instability of revised Korean Developmental Screening Test classification in first year of life
Ji Eun Jeong, You Min Kim, Na Won Lee, Gyeong Nam Kim, Jisuk Bae, Jin Kyung Kim
Clin Exp Pediatr. 2025;68(1):97-103.   Published online November 11, 2024
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.
Endocrinology
Efficacy of leuprolide acetate versus triptorelin pamoate administered every 3 months for treatment of central precocious puberty
Thanaporn Thaneetrakool, Suphab Aroonparkmongkol, Nattakarn Numsriskulrat, Vichit Supornsilchai, Suttipong Wacharasindhu, Khomsak Srilanchakon
Clin Exp Pediatr. 2025;68(1):91-96.   Published online November 6, 2024
Question: What are the differences in efficacy between leuprolide acetate and triptorelin pamoate administered every 3 months for the treatment of central precocious puberty (CPP)?
Finding: There were no significant intergroup differences in luteinizing hormone suppression or predicted adult height at the end of treatment in girls with CPP.
Meaning: Leuprolide acetate and triptorelin pamoate have comparable efficacy for treating CPP.
Pulmonology
Polysomnographic features of children with obesity: body mass index predict severe obstructive sleep apnea in obese children?
Rungrat Sukharom, Prakarn Tovichien, Kanokporn Udomittipong, Pinyapach Tiamduangtawan, Wattanachai Chotinaiwattarakul
Clin Exp Pediatr. 2025;68(1):80-90.   Published online November 6, 2024
Question: How Common is obstructive sleep apnea (OSA) in obese children? OSA is common in obese children, even without habitual snoring.
Finding: Among the subjects, 60.6% had positional OSA, 40.2% had rapid eye movement-related OSA, 59.8% had desaturation, 20.5% had sleep-related hypoventilation, and 5.0% had obesity hypoventilation syndrome. Body mass index (BMI) and neck and waist circumferences were significantly associated with severe OSA.
Meaning: We recommend screening obese children (BMI > 29.2 kg/m2) for OSA.
Neonatology (Perinatology)
Short-term outcomes of oropharyngeal administration of colostrum in preterm neonates: a double-blind placebocontrolled randomized trial
Ameneh Lamsehchi, Maryam Shokouhi Solgi, Mohammad Kazem Sabzehei, Behnaz Basiri, Elahe Talebi Ghane, Kiana Kimiaei Asadi, Sina Azadnajafabad
Clin Exp Pediatr. 2025;68(1):73-79.   Published online October 31, 2024
Question: What are the short-term outcomes of oropharyngeal administration of colostrum (OAC) in preterm neonates?
Finding: This study demonstrated the significantly lower rates of necrotizing enterocolitis, clinically suspected sepsis, shorter hospital stay, period to full enteral feeding, and antibiotic therapy period in the OAC group.
Meaning: This trial may further expand the clinical application of OAC in premature infants to reduce their length of hospital stay and complications.
Infection
Carbapenem resistance in gram-negative pathogens in an Iranian hospital: high prevalence of OXA-type carbapenemase genes
Setareh Mamishi, Reihaneh Hosseinpour Sadeghi, Sadaf Sajedi Moghaddam, Babak Pourakbari, Shiva Poormohammadi, Maryam Sotoudeh Anvari, Shima Mahmoudi
Clin Exp Pediatr. 2025;68(1):65-72.   Published online October 31, 2024
Question: What is the prevalence of carbapenem resistance in gram-negative bacteria and associated carbapenemase genes?
Findings: This study identified a notable prevalence of carbapenem-resistant gram-negative isolates, with Escherichia coli being the predominant contributor, follow ed by Klebsiella pneumoniae, Acinetobacter baumannii, while bla OXA48 was the most prevalent carbapenemase gene.
Meaning: These findings highlight the urgent need for proactive measures including the rapid detection of carbapenemase- producing isolates and effective infection control.
Other
Balance assessment with decreased base of support for children with disabilities
Guilherme M. Cesar, Madison Giebler, Thad W. Buster, Judith M. Burnfield
Clin Exp Pediatr. 2024;67(12):718-724.   Published online November 11, 2024
Question: Can a balance task with narrowed base of support indicate overall functional balance control in children with disabilities?
Finding: While single-limb standing could explain overall balance control for children with disabilities, it was unrelated with balance control for typically developing children.
Meaning: One balance task with narrowed base of support can be used as practical assessment of balance abilities for children with disabilities when allocated session time is of concern.
Infection
Clinical, biochemical, and genetic study of TACE/TNF-α/ACE signaling pathway in pediatric COVID-19 infection
Ahmed El-Abd Ahmed, Sawsan M.A. Abuhamdah, Mohammed H. Hassan, Nagwan I. Rashwan, Eman A. Abd-Elmawgood, Haggagy Mansour, Hoda S. Sherkawy, Shymaa G. Rizk
Clin Exp Pediatr. 2024;67(12):704-717.   Published online November 27, 2024
Question: Is the tumor necrosis factor (TNF) signaling pathway (TNF-α-converting enzyme [TACE]/TNF-α/angiotensin converting enzyme [ACE]) involved in pediatric coronavirus disease 2019 (COVID-19) infection?
Finding: Significantly increased circulating TACE/TNF-α and decreased ACE2 levels were noted. TNF-α-308G/A plays a significant role in susceptibility to COVID-19 infection among children. The ACE (I/D) (rs4646994) and ACE2 (rs2285666) single nucleotide polymorphisms lack significant associations with pediatric COVID-19 infection.
Meaning: The TNF signaling pathway participates in pediatric COVID-19 infection.
Cardiology
Comparative analysis of adolescent hypertension definitions for predicting early adulthood carotid artery intima-media thickness: Tehran lipid and glucose study
Maryam Barzin, Shirin Yaghoobpoor, Maryam Mahdavi, Behnaz Abiri, Majid Valizadeh, Fereidoun Azizi, Pooneh Dehghan, Farhad Hosseinpanah
Clin Exp Pediatr. 2024;67(12):694-703.   Published online September 12, 2024
Question: What is the prevalence of HTN among adolescents enrolled in the TLGS according to 3 different accepted definitions (4th report, ESH, and AAP-CPG). Also, what is the ability of each of these definitions in predicting early adulthood CIMT, as a surrogate for cardiovascular disease events?
Finding: The highest and lowest prevalence of stage 1 HTN was observed with the AAP-CPG (17.7%) and ESH (8.8%), respectively. Similarly, the highest and lowest prevalence of stage 2 HTN was noted with the AAP-CPG (1.5%) and ESH (0.8%), respectively. The highest to lowest predictive abilities belonged to the 4th report, ESH, and AAP-CPG, respectively.
Meaning: Among the various definitions of pediatric HTN, the 4th report offered the best ability to predict a high CIMT during early adulthood, followed by the ESH and AAP-CPG.
General Pediatrics
Role of proper postnatal care in continued exclusive breastfeeding among young Indonesian mothers
Wahyu Triadmajani, Shinta Prawitasari, Abdul Wahab
Clin Exp Pediatr. 2024;67(12):686-693.   Published online September 12, 2024
Question: Is proper postnatal care (PNC) associated with exclusive breastfeeding (EBF) practice among young Indonesian mothers?
Finding: Proper PNC elevates the likelihood of EBF among Indonesian adolescent mothers aged 15–19 years.
Meaning: Breastfeeding services should be provided during the early postnatal period to support EBF practice among adolescent mothers. High-quality PNC is a tailored intervention for vulnerable populations.
Nonpharmacological interventions for managing postoperative pain and anxiety in children: a randomized controlled trial
Edlin Glane Mathias, Mamatha Shivananda Pai, Vijay Kumar, Dinesh Narayanakurup, Malavika Kulkarni, Vasudeva Guddattu, Ann-Cathrine Bramhagen, Baby S Nayak, Anice George
Clin Exp Pediatr. 2024;67(12):677-685.   Published online October 31, 2024
Question: What is the effect of nonpharmacological interventions on postoperative pain and anxiety among children.
Finding: Nurse-provided distraction interventions reduce pain and anxiety among pediatric surgical patients.
Meaning: The findings suggest that nonpharmacological interventions provided postoperatively to children reduce their pain and anxiety levels.
Neonatology (Perinatology)
Mortality of very low birth weight infants by neonatal intensive care unit workload and regional group status
Sung-Hoon Chung, Chae Young Kim, Yong-Sung Choi, Myung Hee Lee, Jae Woo Lim, Byong Sop Lee, Ki-Soo Kim; the Korean Neonatal Network
Clin Exp Pediatr. 2024;67(11):619-627.   Published online September 12, 2024
Question: How do structural and staffing characteristics of neonatal intensive care units (NICUs) influence the mortality rates of very low birth weight infants (VLBWIs)?
Findings: NICUs with higher staffing levels, particularly with more neonatologists, and those offering advanced care levels were associated with lower mortality rates. Additionally, regional disparities were observed, with some areas demon-strating significantly higher survival rates.
Meaning: Adequate staffing and equitable regional distribution of medical resources are crucial for improving survival outcomes in VLBWIs. Efforts to enhance NICU staffing and address regional healthcare disparities are essential for optimizing care quality and reducing mortality in this vulnerable population.
Pulmonology
Efficacies of different treatment strategies for infants hospitalized with acute bronchiolitis
Hyeri Jeong, Dawon Park, Eun Kyo Ha, Ju Hee Kim, Jeewon Shin, Hey-Sung Baek, Hyunsoo Hwang, Youn Ho Shin, Hye Mi Jee, Man Yong Han
Clin Exp Pediatr. 2024;67(11):608-618.   Published online October 28, 2024
· This study analyzed 45 randomized controlled trials (5,061 participants, 13 interventions) of the comparative efficacies of treatments for acute bronchiolitis in infants.
· Inhalation therapy with epinephrine and hypertonic saline significantly reduced the length of hospital stay compared with normal saline.
· Hypertonic saline had the greatest ability to improve the clinical severity score of bronchiolitis in infants younger than 2 years of age.
Allergy
Regional differences in diagnosis and management of cow's milk allergy
Fabian Hendricx, Emma Robert, Jaime A. Ramirez-Mayans, Karen Rubi Ignorosa Arellano, Erick M. Toro Monjaraz, Yvan Vandenplas
Clin Exp Pediatr. 2024;67(11):601-607.   Published online October 28, 2024
· Although there is broad consensus on many aspects regarding the symptoms, diagnosis, and treatment of cow's milk allergy, the impact of geographical, cultural, and socioeconomic factors remains unestablished.
· Availability and cost of formula for the management of cow's milk allergy have a major impact on the therapeutic choice.
· Region-specific guidelines for the treatment of cow's milk allergy are required.
Neonatology (Perinatology)
Protective effect of recombinant interleukin-10 on newborn rat lungs exposed to short-term sublethal hyperoxia
Hyeon-Soo Lee, Young-Joon Ryu, Min-Jae Lee
Clin Exp Pediatr. 2024;67(10):540-549.   Published online September 27, 2024
Lung injury is generated from the early stage of hyperoxia through the biologic effects of cell death and inflammatory response, which eventually leads to evolution of bronchopul-monary dysplasia. Therefore, a protective measure against hyperoxia-induced lung injury is needed. The present study observed that anti-inflammatory cytokine, interleukin-10 had protective effects on newborn rat lungs from injury induced at the early stage of hyperoxia, by preventing cell death and down-regulating inflammatory response.
Nutrition
Energy drink consumption among Korean adolescents: prevalence and associated factors
Jee-Seon Shim, Jeong Mi Lee
Clin Exp Pediatr. 2024;67(10):531-539.   Published online September 24, 2024
Question: How prevalent is energy drink consumption among Korean adolescents and what are the associated factors?
Findings: The prevalence of energy drink consumption among Korean adolescents increased from 3.2% in 2014 to 12.2% in 2019. Energy drink consumption varies according to sociode-mographic and individual factors.
Meaning: Policies and educational strategies are needed to reduce energy drink consumption in adolescents.
General Pediatrics
Effect of online infant care training and postpartum counseling based on Meleis' transition theory on mothers' readiness for care and breastfeeding: a randomized controlled trial
Fatma Şule Bilgiç, Gülçin Bozkurt
Clin Exp Pediatr. 2024;67(10):521-530.   Published online September 27, 2024
Question: Do interventions based on Meleis' transition theory affect mothers' readiness for baby care and breastfeeding?
Findings: We found a statistically significant difference between the intervention and control groups in mothers' readiness for newborn care and breastfeeding (P<0.001).
Meaning: This intervention increased breastfeeding rates while ensuring that mothers were ready to care for their babies and prepared for the role of motherhood.
Genetics and Metabolism
Interleukin (IL)-1B and IL-1 receptor antagonist gene polymorphisms in children with primary immune thrombocytopenia
Seham Mohamed Ragab, Wafaa Moustafa Abo ElFotoh, Mahmoud Ahmed El-Hawy, Eman Abdelfatah Badr, Saara Khairat Ali Mostafa, Mai El-Sayad Abd El-Hamid
Clin Exp Pediatr. 2024;67(9):465-473.   Published online July 24, 2024
· 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.
Developmental and Behavioral Medicine
Neonatal risk factors associated with autism spectrum disorders: an umbrella review
Amir Mohammad Salehi, Erfan Ayubi, Salman Khazaei, Ensiyeh Jenabi, Saeid Bashirian, Zohreh Salimi
Clin Exp Pediatr. 2024;67(9):459-464.   Published online July 19, 2024
Question: What are the neonatal risk factors for autism spectrum disorder (ASD)?
Findings: Significant effect sizes were observed for congenital heart disease (odds ratio [OR], 1.35), macrosomia (OR, 1.11), low birth weight (OR, 1.63), very low birth weight (OR, 2.25), small for gestational age (OR, 1.17), jaundice (OR, 1.74), male sex (OR, 1.47), and Apgar score (OR, 1.40).
Meaning: These factors were identified as risk factors for ASD.
Infection
Construction and validation of predictive models for intravenous immunoglobulin–resistant Kawasaki disease using an interpretable machine learning approach
Linfan Deng, Jian Zhao, Ting Wang, Bin Liu, Jun Jiang, Peng Jia, Dong Liu, Gang Li
Clin Exp Pediatr. 2024;67(8):405-414.   Published online July 23, 2024
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.
Nutrition
Parental support and exclusive breastfeeding at 3 months in West Java, Indonesia: a mixed-methods approach
Ratu Ayu Dewi Sartika, Fadila Wirawan, Wawan Gunawan, Primasti Nuryandari Putri, Nurul Husna Mohd Shukri
Clin Exp Pediatr. 2024;67(7):358-367.   Published online June 21, 2024
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.
Developmental and Behavioral Medicine
Effectiveness of online responsive teaching in young children with developmental disabilities: a pilot study
Jung Sook Yeom, Jeongmee Kim
Clin Exp Pediatr. 2024;67(6):303-311.   Published online May 21, 2024
Question: Does online responsive teaching (RT) impact children's and parents’ emotions and behaviors, and do parents find it satisfactory?
Finding: Online RT significantly improved children's pivotal and problem behaviors, decreased parenting stress, and enhanced parental interactive styles with high satisfaction.
Meaning: This pilot study's findings suggest that online RT can enhance child outcomes, offering accessible interventions amid challenges such as limited access and pandemics.
Endocrinology
Kisspeptin and DLK1 levels for monitoring treatment of girls with central precocious puberty
Witchuwan Onsoi, Nattakarn Numsriskulrat, Suphab Aroonparkmongkol, Vichit Supornsilchai, Khomsak Srilanchakon
Clin Exp Pediatr. 2024;67(6):296-302.   Published online May 21, 2024
Questions: Can the serum levels of kisspeptin and DLK1 be potential biomarkers for monitoring the treatments for central precocious puberty (CPP)?
Findings: There were no significant differences in the baseline serum kisspeptin and DLK1 levels in CPP girls compared to girls with premature thelarche (PT). After 6 months of GnRH analogue treatment in CPP girls, median serum kisspeptin levels decreased, while median serum DLK1 levels increased compared to baseline.
Meanings: Serum levels of kisspeptin and DLK1 may serve as novel biomarkers for monitoring the efficacy of treatments for CPP.
Pulmonology
Oligohydramnios affects pulmonary functional/structural abnormalities in school-aged children with bronchopulmonary dysplasia
Jeong Eun Shin, Soon Min Lee, Mi-Jung Lee, Jungho Han, Joohee Lim, Haerin Jang, Ho Seon Eun, Min Soo Park, Soo Yeon Kim, Myung Hyun Sohn, Ji Ye Jung, Kyung Won Kim
Clin Exp Pediatr. 2024;67(5):257-266.   Published online April 16, 2024
Question: Is bronchopulmonary dysplasia (BPD) associated with functional/structural abnormalities later in life?
Finding: School-aged children with severe BPD had abnormalities on pulmonary function tests and lung computed tomography despite no subjective respiratory symptoms; however, only prenatal oligohydramnios and prolonged ventilator use were associated with abnormal lung function.
Meaning: Long-term monitoring of preterm infants’ lung health is essential, especially for those with prenatal oligohydramnios or prolonged ventilator use.
Neonatology (Perinatology)
Effect of vitamin E supplementation on bilirubin levels in infants with hyperbilirubinemia: a double-blind randomized clinical trial
Mojtaba Cheraghi, Maziar Nikouei, Majid Mansouri, Siros Hemmatpour, Yousef Moradi
Clin Exp Pediatr. 2024;67(5):249-256.   Published online March 26, 2024
Question: Is vitamin E a viable therapeutic option for managing neonatal hyperbilirubinemia?
Finding: This randomized clinical trial examined the effects of oral vitamin E supplementation on bilirubin reduction (primary outcome), phototherapy duration, and length of hospital stay (secondary outcome) in 138 infants.
Meaning: Infants administered vitamin E versus placebo demonstrated similar reductions in bilirubin levels and length of hospital stay.
Neurology
Changes in frequency of benign convulsions with mild gastroenteritis and their viral causes before and during the COVID-19 pandemic: a single-center study
Hyejin Na, Sanghoon Lee, Seo Hee Kim, Young Ok Kim
Clin Exp Pediatr. 2024;67(4):213-220.   Published online March 19, 2024
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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