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Most-cited articles are from the articles published during the last two years (2021 ~ ).
- Review Article
- General Pediatrics
- Clinical features, diagnosis, and outcomes of multisystem inflammatory syndrome in children associated with coronavirus disease 2019
- Ji Hee Kwak, Soo-Young Lee, Jong-Woon Choi; the Korean Society of Kawasaki Disease
- Clin Exp Pediatr. 2021;64(2):68-75. Published online December 30, 2020
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Hundreds of cases of children and adolescents with hyperinflammatory responses such as Kawasaki disease have been reported amid the coronavirus disease 2019 (COVID-19) pandemic, leading to coining of the new term COVID-19–associated multisystem inflammatory syndrome in children. In this review article, we introduce the illness and describe its case definitions, epidemiology, pathogenesis, clinical features, treatments, and outcomes.
- Original Article
- Allergy
- Cohort profile: National Investigation of Birth Cohort in Korea study 2008 (NICKs-2008)
- Ju Hee Kim, Jung Eun Lee, So Min Shim, Eun Kyo Ha, Dong Keon Yon, Ok Hyang Kim, Ji Hyeon Baek, Hyun Yong Koh, Kyu Young Chae, Seung Won Lee, Man Yong Han
- Clin Exp Pediatr. 2021;64(9):480-488. Published online January 5, 2021
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This national cohort study included all Korean children born in 2008 and 2009 observed over a period of more than 10 years. Our findings demonstrate that it is possible to analyze disease onset prior to hospitalization based on information such as lifestyle, eating habits, and risk factors by integrating National Health Insurance System data with national health screening data.
- Review Article
- Neurology
- Cognitive outcomes in late childhood and adolescence of neonatal hypoxic-ischemic encephalopathy
- Bo Lyun Lee, Hannah C. Glass
- Clin Exp Pediatr. 2021;64(12):608-618. Published online May 24, 2021
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∙ Cognitive impairments occur in children with hypoxic-ischemic encephalopathy (HIE) even without neuromotor deficits.
∙ Therapeutic hypothermia has improved neurodevelopmental outcomes of children with HIE; however, 40% of children remain at risk of death/disability or cognitive impairments necessitating the development of adjunctive neuroprotective therapies.
∙ Long-term follow-up until adolescence is required to identify cognitive dysfunction.
∙ A pattern of watershed injury on brain imaging is associated with poor cognitive outcomes.
- Gastroenterology
- Changing prevalence of Helicobacter pylori infection in children and adolescents
- Ji Sook Park, Jin Su Jun, Ji-Hyun Seo, Hee-Shang Youn, Kwang-Ho Rhee
- Clin Exp Pediatr. 2021;64(1):21-25. Published online July 15, 2020
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Although Helicobacter pylori infection rate in children is unclear due to diversity and limitation of diagnostic tests unlike in adults, investigation the childhood prevalence is important for predicting H. pylori-related diseases in the future.
H. pylori infection occurred in early childhood, and declined during 30 years in our study.
Change in risk factors of H. pylori transmission and consensus for eradication therapy in children might further reduce the infection rate.
- Endocrinology
- Genetic factors in precocious puberty
- Young Suk Shim, Hae Sang Lee, Jin Soon Hwang
- Clin Exp Pediatr. 2022;65(4):172-181. Published online October 18, 2021
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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
- Neonatology (Perinatology)
- Retinopathy of prematurity: a review of epidemiology and current treatment strategies
- Eun Hee Hong, Yong Un Shin, Heeyoon Cho
- Clin Exp Pediatr. 2022;65(3):115-126. Published online October 12, 2021
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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.
- Clinical note
- Neurology
- Myelin oligodendrocyte glycoprotein antibody encephalitis following severe acute respiratory syndrome coronavirus 2 in a pediatric patient
- Nusrat Ahsan, Saba Jafarpour, Jonathan D. Santoro
- Clin Exp Pediatr. 2021;64(6):310-312. Published online February 1, 2021
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Question: Although neurologic complications have been reported during the acute phase of infection in children, less is known about the postinfectious phenomenon associated with the severe acute respiratory syndrome coronavirus 2 (SARSCoV-2) virus.
Finding: We present a case of a 7-year-old female with a prior asymptomatic infection with SARS-CoV-2 who subsequently developed encephalopathy and status epilepticus in association with myelin oligodendrocyte glycoprotein (MOG) antibody positivity.
Meaning: Here we present the first case of postinfectious of a MOG spectrum disorder associated with prior SARS-CoV-2 infection in a pediatric patient.
- Review Article
- Adolescence Medicine
- The impacts of exercise on pediatric obesity
- Ronald J. Headid III, Song-Young Park
- Clin Exp Pediatr. 2021;64(5):196-207. Published online August 4, 2020
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Pediatric obesity contributes to the development of vascular dysfunction and metabolic and cardiovascular diseases which have all been shown to track into adulthood, increasing the risk of early mortality. Early exercise intervention is critical for combating obesity-related comorbidities and the optimal exercise prescription has yet to be well documented. Exercise prescriptions to combat pediatric obesity should incorporate both aerobic and muscle-strengthening exercises with an emphasis on long-term adherence.
- Nephrology (Genitourinary)
- Obesity and chronic kidney disease: prevalence, mechanism, and management
- Hyung Eun Yim, Kee Hwan Yoo
- Clin Exp Pediatr. 2021;64(10):511-518. Published online April 6, 2021
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· Obesity is strongly associated with the development and progression of chronic kidney disease.
· Altered renal hemodynamics, metabolic effects, and lipid nephrotoxicity may play a key role in the development of obesity-related kidney disease.
· Children born to obese mothers are at increased risk of developing obesity and chronic kidney disease later in life.
· A multilevel approach is needed to prevent obesity and related chronic diseases.
- Allergy
- Food allergies and food-induced anaphylaxis: role of cofactors
- Meeyong shin
- Clin Exp Pediatr. 2021;64(8):393-399. Published online November 12, 2020
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Question: What are the roles of cofactors in food allergies and food-induced anaphylaxis?
Finding: Cofactors reportedly play a role in approximately 14%–30% of anaphylactic reactions. Cofactors such as exercise, infection, nonsteroidal anti-inflammatory drugs, dehydration, and alcohol can increase intestinal permeability and antigen uptake, thereby causing allergic symptoms.
Meaning: Routine assessment of the possible involvement of cofactors is essential for the management of patients with food-induced anaphylaxis.
- Neonatology (Perinatology)
- Neurodevelopmental outcomes of very low birth weight infants in the Neonatal Research Network of Japan: importance of neonatal intensive care unit graduate follow-up
- Yumi Kono; on behalf of the Neonatal Research Network of Japan
- Clin Exp Pediatr. 2021;64(7):313-321. Published online November 9, 2020
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· Very low birth weight infants remain at high risk of developing neurodevelopmental impairments in early childhood.
· It is important to establish a network follow-up protocol and complete assessments with fewer dropouts to enable clarification of the outcomes of registered infants.
· All possible strategies should be employed to maintain good compliance after neonatal intensive care unit discharge.
- Oncology
- Update on infantile hemangioma
- Hye Lim Jung
- Clin Exp Pediatr. 2021;64(11):559-572. Published online May 26, 2021
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· Infantile hemangiomas (IHs) are the most common benign vascular tumors, occurring in 5%–10% of infants.
· IHs are characteristically not present at birth but are usually diagnosed at 1–4 weeks of age, rapidly proliferate until 5 months of age, and then spontaneously involute.
· High-risk IHs (10%) require early treatment from 1 month of age.
· Oral propranolol, a nonselective beta-blocker, is the first-line treatment for IHs.
- Other
- Review of epidemiological studies on air pollution and health effects in children
- Jong-Tae Lee
- Clin Exp Pediatr. 2021;64(1):3-11. Published online June 10, 2020
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This review summarized the accumulated epidemiologic evidence with emphasis on studies conducted in Korea and heterogeneity in the literature. Based on systematic reviews and meta-analyses, there is consistent evidence on the association between exposure to ambient air pollution and children’s health, especially respiratory health and adverse birth outcomes, and growing evidence on neurodevelopmental outcomes.
- Infection
- Etiological and pathophysiological enigmas of severe coronavirus disease 2019, multisystem inflammatory syndrome in children, and Kawasaki disease
- Jung-Woo Rhim, Jin-Han Kang, Kyung-Yil Lee
- Clin Exp Pediatr. 2022;65(4):153-166. Published online November 23, 2021
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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.
- Original Article
- Neonatology (Perinatology)
- Perinatal outcome and possible vertical transmission of coronavirus disease 2019: experience from North India
- Ritu Sharma, Shikha Seth, Rakhee Sharma, Sanju Yadav, Pinky Mishra, Sujaya Mukhopadhyay
- Clin Exp Pediatr. 2021;64(5):239-246. Published online February 16, 2021
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Question: Is there any risk of vertical transmission of coronavirus disease 2019 (COVID-19), and what is its neonatal profile?
Finding: Biological samples for vertical transmission were negative in all deliveries; however, 2 neonates tested positive for nasopharyngeal COVID-19 reverse transcription-polymerase chain reaction. No significant neonatal morbidity was observed.
Meaning: COVID-19 does not increase adverse neonatal outcomes and shows a negligible risk of vertical transmission; however, horizontal transmission cannot be underestimated.
- Neurobehavior
- Association between small for gestational age and risk of autism spectrum disorders: a meta-analysis
- Ensiyeh Jenabi, Saeid Bashirian, Zahra Asali, Mahdieh Seyedi
- Clin Exp Pediatr. 2021;64(10):538-542. Published online January 28, 2021
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• The relationship between small for gestational age (SGA) and autism spectrum disorders (ASDs) and remains conflicting.
• We showed based on odds ratio reports in epidemiological studies that SGA can increase the risk of ASD and SGA is a risk factor for ASD.
• The association between SGA and the risk of ASD has further momentum to the current public health emphasis on appropriate prepregnancy weight and weight gain during pregnancy
- Review Article
- Allergy
- Prevalence, comorbidities, diagnosis, and treatment of nonallergic rhinitis: real-world comparison with allergic rhinitis
- Hye Yung Yum, Eun Kyo Ha, Yoon Ho Shin, Man Yong Han
- Clin Exp Pediatr. 2021;64(8):373-383. Published online August 10, 2020
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Rhinitis is among the most common respiratory diseases in children. Nonallergic rhinitis, which involves nasal symptoms without evidence of systemic allergic inflammation or infection, is a heterogeneous entity with diverse manifestations and intensities. Nonallergic rhinitis accounts for 16%–89% of the chronic rhinitis cases, affecting 1%–50% (median 10%) of the total pediatric population. The clinical course of nonallergic rhinitis is generally...
- Original Article
- General Pediatrics
- Gross motor dysfunction and balance impairments in children and adolescents with Down syndrome: a systematic review
- Preyal D. Jain, Akshatha Nayak, Shreekanth D. Karnad, Kaiorisa N. Doctor
- Clin Exp Pediatr. 2022;65(3):142-149. Published online June 11, 2021
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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.
- Global relationship between parent and child obesity: a systematic review and meta-analysis
- Ju Suk Lee, Mi Hyeon Jin, Hae Jeong Lee
- Clin Exp Pediatr. 2022;65(1):35-46. Published online March 29, 2021
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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.
- Endocrinology
- Effects of probiotics combined with dietary and lifestyle modification on clinical, biochemical, and radiological parameters in obese children with nonalcoholic fatty liver disease/nonalcoholic steatohepatitis: a randomized clinical trial
- Thushara Rodrigo, Samaranayake Dulani, Sumudu Nimali Seneviratne, Arjuna P. De Silva, Jerad Fernando, H. Janaka De Silva, Jayasekera , V. Pujitha Wickramasinghe
- Clin Exp Pediatr. 2022;65(6):304-311. Published online November 11, 2021
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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.
- Critical Care Medicine
- Can central venous access device care bundles and regular feedback reduce central line-associated complications in pediatric patients?
- Chanapai Chaiyakulsil, Onsuthi Pharadornuwat
- Clin Exp Pediatr. 2021;64(3):123-129. Published online July 14, 2020
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Question: Can central line bundles and feedback reduce central line-associated complications in pediatric patients?
Finding: The central line-related bloodstream infection rate decreased from 10.0 catheter-days to 1.4/1,000 catheter-days at 6-month postintervention. The central line occlusion rate was also decreased.
Meaning: Reinforcing central line care bundles with direct feedback can significantly decrease central line-associated complications in pediatric patients.
- Review Article
- Oncology
- Application of 3-dimensional printing implants for bone tumors
- Jong Woong Park, Hyun Guy Kang
- Clin Exp Pediatr. 2022;65(10):476-482. Published online December 23, 2021
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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.
- Infection
- Updates on the coronavirus disease 2019 vaccine and consideration in children
- Hyun Mi Kang, Eun Hwa Choi, Yae-Jean Kim
- Clin Exp Pediatr. 2021;64(7):328-338. Published online June 21, 2021
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· The number of coronavirus disease 2019 cases has exponentially increased worldwide, and children ≤19 years old account for 11.0% of all confirmed cases.
· mRNA vaccines, BNT162b2 and mRNA-1273, and adenoviral vector vaccines, AZD1222 and Ad26.COV2.S, authorized for emergency use in the Emergency Use Listing of the World Health Organization are reviewed.
· Clinical trials of these vaccines have shown that they are safe and serious adverse reactions are rarely observed.
- Critical Care Medicine
- The use of extracorporeal membrane oxygenation in children with acute fulminant myocarditis
- Silver Heinsar, Sainath Raman, Jacky Y. Suen, Hwa Jin Cho, John F. Fraser
- Clin Exp Pediatr. 2021;64(5):188-195. Published online August 10, 2020
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Acute fulminant myocarditis (AFM) occurs as an inflammatory response to an initial myocardial insult. Its rapid and deadly progression calls for prompt diagnosis with aggressive treatment measures. The demonstration of its excellent recovery potential has led to increasing use of mechanical circulatory support, especially extracorporeal membrane oxygenation (ECMO). Arrhythmias, organ failure, elevated cardiac biomarkers, and decreased ventricular function at presentation...
- Neonatology (Perinatology)
- Clinical implications of coronavirus disease 2019 in neonates
- Do-Hyun Kim
- Clin Exp Pediatr. 2021;64(4):157-164. Published online February 4, 2021
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• Severe acute respiratory syndrome coronavirus 2 (SARSCoV-2) was detected in approximately 3% of neonates of mothers with coronavirus disease 2019 (COVID-19).
• Neonatal COVID-19 is relatively benign with 16%–22.4% cases asymptomatic.
• Neonates with pre-existing medical conditions and preterm infants are at a higher risk of severe COVID-19.
• Requirement for neonatal mechanical ventilation is 20%–22.4% (vs. 4% in children)
• Low birth weight (13.9%) and premature birth (22.2%) affect neonates of mothers with COVID-19.
- General Pediatrics
- Association between maternal smoking during pregnancy and risk of bone fractures in offspring: a systematic review and meta-analysis
- Erfan Ayubi, Saeid Safiri, Kamyar Mansori
- Clin Exp Pediatr. 2021;64(3):96-102. Published online February 5, 2020
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Question: What is the effect of maternal smoking during pregnancy (MSDP) on the risk of bone fractures in the offspring?
Finding: After the adjustment for misclassification, MSDP may be associated with a 27% increased risk of bone fracture in the offspring (pooled odds ratio, 1.27; 95% confidence interval, 1.00–1.62; I2=0%; P=0.537)
Meaning: Preventive measures and health education programs should be designed and implemented to encourage women to stop smoking, especially during.
- Endocrinology
- Endocrine comorbidities of pediatric obesity
- Jieun Lee, Jae Hyun Kim
- Clin Exp Pediatr. 2021;64(12):619-627. Published online August 26, 2021
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∙ Pediatric obesity can involve endocrine comorbidities such as prediabetes, type 2 diabetes, dyslipidemia, metabolic syndrome, polycystic ovary syndrome, and central precocious puberty.
∙ Prediabetes and type 2 diabetes in youth aged 10–19 years had a prevalence of 25.9% and 0.6% in 2013–2014, respectively.
∙ Dyslipidemia in Korean adolescents aged 10–18 years had a prevalence of 7.64% (total cholesterol ≥200 mg/dL), 6.09% (low-density lipoprotein cholesterol ≥130 mg/dL), 8.69% (triglyceride ≥150 mg/dL), and 12.52% (high-density lipoprotein cholesterol ≤40 mg/dL) in 2007–2018.
∙ Metabolic syndrome in Korean youth has a prevalence of 1.9%–14.7% in males and 1.7%–12.6% in females with wide variation in definitions.
∙ Appropriate comorbidity screening and management and/or specialist referral are necessary for obese children and adolescents.
- Original Article
- Gastroenterology
- Noninvasive markers for esophageal varices in children with cirrhosis
- Parisa Rahmani, Fatemeh Farahmand, Ghobad Heidari, Azadeh Sayarifard
- Clin Exp Pediatr. 2021;64(1):31-36. Published online July 21, 2020
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Question: Can noninvasive biomarkers identify esophageal varices among children with esophageal cirrhosis?
Finding: The spleen size, platelet count, international normalized ratio, aspartate aminotransferase to platelet ratio index, platelet count to spleen size ratio, and risk score differed significantly between the patients with and those without esophageal varices.
Meaning: These biological parameters can predict esophageal varices among pediatric patients and indicate the need for esophagogastroduodenoscopy.
- Review Article
- Gastroenterology
- Factors influencing development of the infant microbiota: from prenatal period to early infancy
- Sujin Jeong
- Clin Exp Pediatr. 2022;65(9):439-447. Published online December 23, 2021
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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.
- Infection
- Epidemiological changes in infectious diseases during the coronavirus disease 2019 pandemic in Korea: a systematic review
- Jong Gyun Ahn
- Clin Exp Pediatr. 2022;65(4):167-171. Published online November 30, 2021
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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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Impact Factor4.2
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6.52022CiteScore92nd percentilePowered by
