Most-cited articles are from the articles published during the last two years (2022 ~ ).
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There have been global tri-phasic epidemic periods of retinopathy of prematurity (ROP). In recent years, its incidence has reportedly been 10%–40% depending on country and study population. Current treatment strategies for ROP include laser photocoagulation, surgical treatment, and anti-vascular endothelial growth factor treatment, the role of which has drawn attention in recent years. |
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Question: Are parent and child obesity correlated worldwide? Finding: Overweight and obese status of parents and children were significantly associated worldwide. The association between parent and child obesity was stronger in Asia than in Europe and the Middle East, and in high-income than in middle- and low-income countries. Meaning: Childhood obesity is highly influenced by parental weight status, indicating that parents could play an important role in its prevention. |
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· Mutations in the kisspeptin (KISS1), kisspeptin receptor (KISS1R), makorin ring finger protein 3 (MKRN3), and delta-like homolog 1 (DLK1) genes are associated with idiopathic central precocious puberty (ICPP). · A few genes related to pubertal onset have been implicated in ICPP. · Epigenetic factors such as DNA methylation, histone posttranslational modifications, and noncoding ribonucleic acids may be related to ICPP |
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Question: What are the primary motor and balance dysfunctions in children with Down syndrome? Finding: These individuals have gross delays, altered balance, and inefficient compensatory mechanisms. Meaning: Neuromuscular and musculoskeletal impairments due to the chromosomal abnormality lead to developmental delay. These children also exhibit poor balance with greater instability and inefficient compensatory mechanisms including altered center of pressure displacement and trunk stiffening that predisposes them to falls. |
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It is important to evaluate its effectiveness at the national level and to determine the varicella vaccine schedule based on the evidence generated through the studies. |
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∙ Microbial colonization primarily occurs after birth but there may be some colonization in utero, although this remains highly controversial. ∙ Maternal factors during pregnancy affect the infant microbiota: diet, weight, gestational weight gain, and antibiotic usage. ∙ Microbes are passed from mother-to-infant during and after birth. Delivery mode, breastfeeding, early life antibiotic, and proton pump inhibitor treatment have the largest effects on microbial composition in early life. ∙ The early life gut microbiome plays an important role in the development of the immune system and metabolism. |
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· Severe cases of coronavirus disease, Kawasaki disease (KD), and multisystem inflammatory syndrome in children (MIS-C) share similar findings: a protracted clinical course, multiorgan involvement, and similar activated biomarkers. · Here we propose etiological agents in KD and MIS-C as species in the microbiota and introduce a common pathogenesis through the protein-homeostasis-system hypothesis. · Early proper dose of corticosteroids and/or intravenous immunoglobulin may help to reduce morbidity and mortality in these diseases. |
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The identification of the causative pathogens of community-acquired pneumonia and appropriate treatment and prevention can reduce mortality and the socioeconomic burden by reducing the medical expenses. The world has been in the coronavirus disease 2019 pandemic since 2020, and there is always a risk of continuous emergence and epidemic of new respiratory infectious diseases. Therefore, it is important to sustain a monitoring system for respiratory infectious diseases including pneumonia. |
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∙ The application of 3-dimensional (3D) printing in orthopedic oncology is summarized into bone and tumor modeling, patient-specific instruments (PSIs), custom-made implants, and tissue engineering. ∙ The 3D-printed customized implant is the most central application, while modeling and PSI often play adjunct roles. ∙ Short-term surgical outcomes of custom-made 3D-printed implants are promising. |
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Question: Could probiotics be used as a therapeutic modality in nonalcoholic fatty liver disease/nonalcoholic steatohepatitis? Finding: There seem no added advantages over lifestyle modifications compared to Probiotics. Meaning: There does not seem to be an advantage of probiotics over lifestyle modifications in improving obesity-associated metabolic derangement in children. |
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· Nonpharmaceutical interventions (NPIs) have had a major impact on the epidemiology of various infectious diseases in Korea. · Respiratory diseases and gastrointestinal viral diseases were significantly reduced during the NPI period. · The decrease in Kawasaki disease after the introduction of NPI is an unintended result. · Infectious diseases that decreased during NPI use may re-emerge. · We must continuously monitor the epidemiology of various infectious diseases during the coronavirus era |
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∙ Prevalence rate of developmental disabilities has been reported from 8% to 15% and its rate is increasing worldwide. ∙ The critical period of intervention for developmental delay is before the child reaches 3 years of age. ∙ All primary care pediatricians should conduct developmental surveillance and screening tests to infants and children at scheduled visits. Through this, they are liable for providing early identification and timely intervention. |
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Since the introduction of a universal Japanese encephalitis (JE) vaccination program and urbanization, the incidence of JE has dramatically decreased in Korea. However, recent JE cases have occurred, predominantly among unvaccinated adults and with a shift in age distribution. Continuous surveillance of the seroprevalence of JE is required to establish a proper immunization policy in Korea. |
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The gut microbiota is an emerging factor in the development of pediatric obesity, which is affected by renowned risk factors such as diet, lifestyle, and socioeconomic status. This review aimed to describe the association between the gut microbiota and childhood obesity. |
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· Current definitions of long coronavirus disease (COVID) in children and adolescents vary in duration, ranging from 4 to 12 weeks or more. · The clinical spectrum of long COVID in children and adolescents comprises a wide range of symptoms and might be a multisystem disorder. · Persistent health problems with a prevalence of 1%–66.5% were reported in children and adolescents after COVID-19, with a higher incidence of persistent single or multiple symptoms. |
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Question: What effects do maternal and child factors have on stunting? Are there significant indicators of stunting? Finding: Child and maternal factors had 49.8% and 30.3% effects on stunting, respectively. The primary child factor was infant formula dose, while the primary maternal factor was nutritional status. Meaning: More attention to nutritional status during pregnancy and ensuring the appropriate dose of infant formula at ages 6–24 months can prevent stunting. |
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∙ Rotavirus infection-associated central nervous system (CNS) complications are fairly common in children. ∙ Common clinicoradiological features include benign convulsions with mild gastroenteritis, acute encephalopathies/encephalitis, cerebellitis, and neonatal rotavirus-associated leukoencephalopathy. ∙ Possible mechanisms for CNS complications include direct viral invasion into the brain via several potential routes such as the blood-brain barrier and vagus nerve, and entry of various brain-damaging mediators and activated immune cells into the brain. |
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Question: When is the best screening timing and what is the risk factor for developmental dysplasia of the hip (DDH) in preterm infants? Finding: Ultrasonography performed earlier than 38 weeks of postmenstrual age caused unnecessary subsequent ultrasonography. DDH did not occur predominantly on the left side or in breech infants. Meaning: The screening timing, etiology, and risk factors for DDH in preterm infants are somewhat different from those in term infants. |
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· The prevalence of pediatric nonalcoholic fatty liver disease (NAFLD) increased from 8.2% in 2009 to 12.1% in 2018 in Korea. · Laboratory tests, biomarkers, and imaging studies are used for the early detection of NAFLD. · Insulin resistance is closely related to NAFLD. |
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Question: What is prevalence of bacterial pathogens causing sepsis and their antimicrobial susceptibility over 20 years? Finding: Coagulase-negative remains most common causative organism. The most common gram-negative organism was Klebsiella pneumonia. The susceptibility of staphylococcus aureus and K. pneumonia showed increased susceptability to oxacillin, cefotaxime and amikacin, gentamicin, respectively. Meaning: Answers to the question asked is important in choosing antimicrobials and to monitor emergence of multidrug-resistant organisms. |
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Background: According to the National Family Health Survey– 4, in India, 78.9% of deliveries occur in institutions, although only 42.6% of new mothers initiate breastfeeding within 1 hour of delivery.
Purpose: To estimate the proportion of early initiation of breastfeeding (EIBF) among new mothers at discharge from a tertiary care hospital and identify the determinants of delayed initiation of breastfeeding among... |
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∙ The main pathogen for benign convulsions with mild gastroenteritis (CwG) was previously rotavirus; however, cases associated with norovirus are increasing. ∙ CwG is characterized by clustered generalized seizures. Electroencephalography and magnetic resonance imaging show transiently abnormal findings in the acute phase that eventually normalize with progression. Its prognosis is good, and long-term treatment is unnecessary. ∙ There are many reports on the pathophysiological mechanism of CwG, which remains unclear. |
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· Dendritic, regulatory T, and regulatory B cells significantly contribute to the natural course of food allergy. · Cow’s milk and hen’s egg allergies tend to resolve in earlier childhood but recent studies show that 50% of patients still persist into school age. · The potential factors affecting the natural course of food allergy are age at diagnosis, symptom severity, sensitization status and its change rate, and external factors such as diet and interventions. · There is a considerable possibility of food allergy outgrow if specific IgE levels are 2–5 kUA/L or less, but other factors such as age and recent symptoms should be considered together. · With a clear understanding of the natural course of food allergy, pediatricians can provide appropriate assessment and interventions to our patients, and consequently can help patients overcome their food allergy and improve the social safety net. |
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· Neonatal seizures are often electrographic-only seizures without clinical signs; therefore, the identification of electrical seizure activity on electroencephalography is the gold standard for diagnosis. · Clinical signs of neonatal seizures are divided into motor or nonmotor seizures, and motor seizures are mostly focal or multifocal. · Most neonatal seizures are caused by acute symptomatic etiologies, but in cases of intractable seizures, structural, genetic, or metabolic etiologies should be investigated. |
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∙ The coronavirus disease 2019 (COVID-19) pandemic has required preventive measures like self-quarantine, school closures, and lockdown, which ultimately make youth directly and indirectly vulnerable to depression, anxiety, posttraumatic stress disorder, and somatization. ∙ Child abuse is more common in the COVID-19 era than previously. ∙ Pediatricians should carefully examine parental and child mental health to directly and indirectly aid their physical and mental health. |
· Recently, the importance of a short-term treatment regimen including rifamycin has been highlighted in the treatment of latent tuberculosis infection (LTBI). · Four prospective or retrospective studies in children consistently reported that a 4-month daily rifampicin regimen (4R) had a higher completion rate than and comparable safety to a nine-month daily isoniazid regimen. · We suggest rifampicin 20–30 mg/kg/day for children aged 0–2 years and 15–20 mg/kg/day for children aged 2–10 years in 4R to treat LTBI. |
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· Myocarditis was recently examined quantitatively as inflammation of the heart muscle based on endomyocardial biopsy, and its noninvasive diagnosis remains unsatisfactory. · Additionally, numerous miRNAs (miR-155, miR-146b, miR-590, miR-221, miR-222, etc.) coupled with inflammation or viral activation have been examined in myocarditis patients or mouse models. · The recent identification of mmu-miR-721 (has-miR-Chr8: 96), a myocarditis-specific microRNA, demonstrated its potential as an acute myocarditis biomarker. |
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Question: Is dyslipidemia a risk factor for asthma in children? Finding: This was a comprehensive systematic review and retrospective multicenter study of the association between dyslipidemia and asthma in children. In a multicenter cohort analysis using the Observational Medical Outcomes Partnership Common Data Model, elevated total cholesterol levels were associated with increased risk of asthma development. Meaning: These findings suggest an association between dyslipidemia and asthma in children. |
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Most immunocompromised children and adolescents are not at increased risk of developing severe coronavirus disease 2019 (COVID-19). COVID-19 outcomes for low- or medium-risk immunocompromised children are favorable, while more serious illness reportedly occurs in high-risk immunocompromised children by underlying disease, its treatments, and other factors. Therefore, the early detection and timely management of severe COVID-19 and treatment of underlying disease are important. Hospitalization and COVID-19 vaccination should be carefully considered. |
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∙ Exclusively breastfed infants are at risk of developing vitamin D deficiency associated with hypocalcemia, rickets, and various health outcomes. ∙ The prevalence of vitamin D deficiency in breastfed infants differs vastly between studies and nations at 0.6%–91.1%. ∙ The vitamin D content of breast milk does not meet the requirements of exclusively breastfed infants. ∙ Most international guidelines recommend that breastfed infants be supplemented with 400 IU/day of vitamin D during the first year of life. ∙ Vitamin D intake (milk+supplements) of 800 IU/day can be considered in preterm infants along with biochemical monitoring. |