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Background: Childhood-onset lupus nephritis (cLN)
is an aggressive disease. Although histological class has
historically guided its treatment, its prognostic value
remains limited. Although the National Institutes of
Health (NIH)-modified activity index (AI) and chronicity
index (CI) incorporate glomerular and tubulointerstitial
changes and may provide better prognostic insight, their
utility in cLN is not well established.
Purpose: Here we aimed to assess the utility of the NIH-modified-modified AI and CI... |
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Background: Pediatric intensive care units (PICUs) have
undergone significant evolution, resulting in a reduction
in patient morbidity and mortality rates. Telemedicine has
emerged as a valuable resource for services that optimize
the care processes in PICUs. Despite growing interest
in telemedicine for pediatric critical care, its impact on
mechanically ventilated (MV) children in public health
settings in Brazil remains underexplored.
Purpose: This study aimed to evaluate the effect... |
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Background: Early adiposity rebound (AR) is a key
predictor of later obesity and metabolic risk, yet modifiable
factors related to early AR remain understudied
in
large populations.
Purpose: To quantify the prevalence of early AR at age 3 years and identify modifiable correlates in a population‑based cohort of Japanese preschool children. Methods: We retrospectively analyzed health-check records for 74,466 children who attended both 1.5- and 3-year examinations (2014–2019). Body mass... |
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Background: Acute necrotizing encephalopathy (ANE)
is a rare but devastating neurological disorder in children
that is typically triggered by viral infections such as influenza,
sudden acute respiratory syndrome coronavirus
2, and human herpesvirus-6. ANE is characterized by
cytokine storm and associated with high mortality;
however, optimal immunomodulatory strategies remain
undefined.
Purpose: To evaluate the effectiveness of multiple immunomodulatory strategies, including high-dose methylprednisolone (MP), plasma exchange (PLEX), and tocilizumab, at reducing short-term... |
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Background: Associations have been suggested between
prenatal exposure and allergic diseases in children as
well as between respiratory allergies and maternal sleep
disorders during pregnancy.
Purpose: This study aimed to examine the association between maternal sleep disorders during pregnancy and allergic diseases, including respiratory, skin, and ocular allergies, in their children. Methods: This study was based on the Tohoku Medical Megabank Project Birth and Three-Generation Cohort Study. Sleep disorders during... |
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Background: Immunoglobulin A vasculitis (IgAV) is a
systemic vasculitis characterized by potential recurrence.
Purpose: This study aimed to explore the prevalence of and factors associated with IgAV recurrence. The clinical phenotypes of childhood- and adolescent-onset IgAV were described and compared. Methods: This retrospective cohort analysis included patients aged ≤18 years and diagnosed with IgAV treated in a tertiary academic center between January 2010 and December 2022. Recurrence was classified... |
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Background: Gestational diabetes mellitus (GDM) is
a common complication of pregnancy associated with
various perinatal risks in mothers and heightened risks
of long-term obesity and metabolic syndrome in their
children. Understanding the effect of GDM on infant
health is crucial. Infant gut colonization has generated
significant interest owing to its profound impact on
health and potential role in later disease development.
Purpose: Here we conducted a thorough analysis... |
| Malnutrition is common among hospitalized children, especially those who are critically ill. Routine measures, such as anthropometric measurements, body composition, and nutritional assessment, comprise the basics of monitoring. This review discusses the adequacy of nutritional screening tools (NSTs) such as the SGNA (Subjective Global Nutritional Assessment), PYMS (Pediatric Yorkhill Malnutrition Score), STAMP (Screening Tool for the Assessment of Malnutrition in Paediatrics), and STRONGkids (Screening Tool for Risk of Nutritional Status... |
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Background: The effects of genetic background on the
biological effects of vitamin D on coronavirus disease 2019
(COVID-19) in children remain unclear.
Purpose: This study aimed to explore the association between vitamin D-related genetic background and 25- hydroxyvitamin D status and COVID-19 occurrence and severity in children. Here we explored key genetic variants within the vitamin D pathway in pediatric COVID-19 patients in relation to circulating vitamin D... |
| Continuous glucose monitoring (CGM) has become a key component in the management of pediatric type 1 diabetes mellitus (T1DM) since it offers real-time glucose data that facilitate tighter glycemic control and reduce acute complications. Accumulating evidence and international guidelines highlight the clinical efficacy, safety, and feasibility of CGM use in children, particularly those with high adherence. Regular CGM use is associated with significant reductions in glycated hemoglobin, fewer hypo-... |
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Background: Bronchopulmonary dysplasia (BPD), a
chronic lung disease primarily observed in premature
infants, is attributed to a lung injury–repair imbalance.
Studies of postnatal corticosteroids have failed to identify
clear candidates to help alleviate high BPD rates without
risks or adverse effects.
Purpose: This study aimed to assess whether the systemic postnatal administration of an alternative glucocorticoid, ciclesonide, could attenuate alterations in lung structure and right ventricular hypertrophy in a... |
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Background: Positional plagiocephaly (PP) is a common
cranial asymmetry of infancy. Its treatment options
include conservative management and helmet therapy.
However, the efficacy of each, particularly at achieving a
normal cranial shape, remains uncertain.
Purpose: This study aimed to compare the efficacy of conservative management and helmet therapy for PP. Methods: We retrospectively analyzed 199 infants with PP treated in 2015–2024. A total of 72 patients with a... |
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Background: Allopurinol is widely used to prevent
hyperuricemia in patients with tumor lysis syndrome.
However, its use can trigger severe cutaneous adverse
reactions (SCARs) with a mortality rate of approximately
11.39%. The human leukocyte antigen (HLA)–B*58:01
genotype is a major risk factor for SCARs. Although most
studies to date have examined HLA–B*58:01 in Thai adults,
data on pediatric patients are limited.
Purpose: Here we aimed to evaluate the... |
| Autism spectrum disorder (ASD) is a neurodevelopmental condition characterized by difficulty with communication and social interactions as well as restricted or repetitive behaviors. Over the last few decades, the prevalence of ASD has increased globally, with major differences in reporting, diagnosis, and interventions between developed and developing countries. The United States (U.S.) has seen a sharp rise in diagnosed ASD cases, with a current prevalence of approximately 1... |
| Neonatal ichthyosis-sclerosing cholangitis syndrome (NISCH) is an autosomal recessive disorder characterized by cholestasis, generalized ichthyosis, alopecia, and dental anomalies. As this is a rare syndrome, here we present a case caused by a novel mutation followed by a literature review of all published cases. This retrospective review includes all original articles on the clinical profiles of all 37 cases published through December 2024 using a PubMed search. The... |
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Background: Influenza and coronavirus disease 2019
(COVID-19) are major causes of pediatric respiratory
illness with overlapping clinical features but potentially
differing impacts on healthcare utilization and outcomes.
Purpose: To compare the clinical presentations, healthcare resource utilization, and outcomes of children hospitalized with influenza and COVID-19 and address the gaps in pediatric data from Southeast Asia. Methods: This retrospective observational study included children aged ≤12 years hospitalized with laboratoryconfirmed influenza or... |
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Background: In recent years, minimally invasive methods have been increasingly utilized for surfactant administration in spontaneously breathing preterm infants with respiratory distress syndrome (RDS) managed with nasal continuous positive airway pressure owing to their feasibility and association with improved respiratory outcomes. However, data are limited from developing countries on the use and effectiveness of these techniques.
Purpose: The primary objective of... |
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Background: Open cardiac surgery involving cardiopulmonary
bypass (CPB) triggers a systemic inflammatory
response that significantly affects clinical outcomes. However,
the dynamics and specific roles of cytokine release
after CPB in the pediatric population remain unclear.
Purpose: To evaluate the dynamics of cytokine levels and their association with low cardiac output syndrome (LCOS)-related outcomes. Methods: A prospective observational cohort study was conducted of 32 children who underwent elective open cardiac surgery... |
| Background: Iron overload is a hallmark complication in patients with transfusion-dependent β-thalassemia major, primarily resulting from ineffective erythropoiesis, repeated blood transfusions, and increased gastrointestinal iron absorption. This iron accumulation, reflected in elevated serum ferritin levels, has been implicated in immune dysregulation. Natural killer (NK) cells are a pivotal component of the innate immune system, known for their cytotoxic activity and... |
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Background: The postacute sequelae of coronavirus disease 2019 (PASC), also known as pediatric long coronavirus disease (COVID), can significantly affect the quality of life (QoL) of affected children. Currently, there are no standardized screening tools to identify high-risk children. The Kinder Lebensqualität fragebogen (KINDL) is a psychometric method for measuring QoL in children.
Purpose: This study used the KINDL questionnaire and... |
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Background: Rickets is a growth disorder that imposes a global health burden and causes disability in affected children. However, issues related to the clinical epidemiology and mortality risk of nutritional versus hereditary rickets have not been fully investigated in large population studies, particularly in Asia.
Purpose: This study aimed to investigate the nationwide incidence, demographic characteristics, and mortality-related risk factors of... |
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Background: Cholestasis is characterized by disrupted bile flow and can lead to severe liver disease in newborns, of which biliary atresia (BA) is a common cause. The gut microbiome plays a crucial role in aggravating liver injury in BA and non-BA cholestasis. However, information is lacking regarding the differences in gut microbiome composition between patients with BA and non-BA cholestasis.
Purpose:... |
| Background: Streptococcus pyogenes (group A Streptococcus [GAS]) is a common cause of bacterial pharyngitis and skin infections in children that can lead to severe and invasive GAS (iGAS) infections. The sudden acute respiratory syndrome coronavirus 2 pandemic coincided with an increase in iGAS cases, with emerging serotypes and risk factors like age, reduced postpandemic immunity, and viral coinfections. The treatment... |
| Background: Clinical, biochemical, histological, and immunological indicators are frequently used to diagnose autoimmune hepatitis (AIH), a chronic inflammatory liver disease affecting children. Wilson disease, which resembles AIH, is mainly evaluated using serum ceruloplasmin and copper levels. However, changes in these biomarkers have also been observed in AIH, raising the question of whether they could be useful for evaluating children with... |
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Background: Immune thrombocytopenia (ITP) is an autoimmune disorder characterized by a low platelet counts and an increased risk of bleeding. Moreover, the apoptotic mechanisms of platelets may influence their production and lifespan.
Purpose: To assess the involvement of apoptotic markers—specifically the B-cell lymphoma protein 2 family proteins Bak and Bcl-Xl in the pathogenesis of acute primary ITP in pediatric patients, and... |
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Background: Pediatric chylothorax poses management challenges, with conservative treatment as the first-line approach and surgery reserved for persistent cases. However, data remain limited on factors related to conservative treatment success and optimal surgical timing.
Purpose: This study aimed to evaluate the success rate of conservative treatment, identify the associated factors, and determine the optimal timing for surgical intervention. Methods: We retrospectively reviewed... |
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 © 2025 by Korean Pediatric Society.





