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"Most viewed" Articles are from the articles published in 2021 during the last six month.
- Clinical Note
- Other
- Novel PTRH2 gene variant causing IMNEPD (infantile-onset multisystem neurologic, endocrine, and pancreatic disease) in 2 Saudi siblings (35,714 times)
- Dalal K. Bubshait
- Clin Exp Pediatr. 2023;66(5):223-225. Published online March 23, 2023
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- Review Article
- Infection
- Pathogenetic and etiologic considerations of febrile seizures (29,466 times)
- Ji Yoon Han, Seung Beom Han
- Clin Exp Pediatr. 2023;66(2):46-53. Published online January 13, 2023
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· Inflammatory responses accompanying fever increase neuronal excitability in the central nervous system, which in turn provokes seizures.
· Fever in children with febrile seizures is usually caused by common respiratory viruses, the distributions of which match those of seasonal community-acquired respiratory tract infections.
· Several genetic variations in ion channels seem associated with neuronal hyperexcitability in children with febrile seizures.
- Neurology
- Pediatric syncope: pearls and pitfalls in history taking (19,553 times)
- Jung Sook Yeom, Hyang-Ok Woo
- Clin Exp Pediatr. 2023;66(3):88-97. Published online February 15, 2023
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An accurate diagnosis depends on correct history taking and its interpretation. An in-depth understanding of the symptoms of syncope in connection with its pathophysiology can lead to avoiding critical pitfalls in the diagnostic process of history taking.
- Editorial
- Gastroenterology
- Is there a link between social media usage and functional gastrointestinal disorders in children? (16,474 times)
- Hae Jeong Lee
- Clin Exp Pediatr. 2023;66(4):169-170. Published online March 23, 2023
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Social media use has potential benefits and risks, including links to adverse health problems in children such as functional gastrointestinal disorders (FGIDs). Screen time control, emotional support, and parental guidance can help children navigate social media safely and reduce the risk of developing FGIDs.
- Recent advances in epigenetic mechanisms, diagnosis, and treatment of pediatric gastrointestinal allergic disorders (9,857 times)
- Eell Ryoo
- Clin Exp Pediatr. 2023;66(6):250-251. Published online May 19, 2023
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· Epigenetic mechanisms are involved in rapidly increasing food allergy.
· There is still no definitive way to diagnose food allergy.
· Early introduction of peanuts, eggs, and cow’s milk reduces food allergy incidence.
· Administration of probiotics such as Lactobacillus rhamnosus GG, Bifidobacterium bifidum can partially reduce the occurrence of allergic symptoms.
- Review Article
- Oncology
- Update on infantile hemangioma (8,113 times)
- 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.
- Infection
- Global varicella vaccination programs (5,073 times)
- Young Hwa Lee, Young June Choe, Jia Lee, Eunseong Kim, Jae Young Lee, Kwan Hong, Yoonsun Yoon, Yun-Kyung Kim
- Clin Exp Pediatr. 2022;65(12):555-562. Published online November 2, 2022
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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.
- General Pediatrics
- Clinical features, diagnosis, and outcomes of multisystem inflammatory syndrome in children associated with coronavirus disease 2019 (3,580 times)
- 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.
- Allergy
- Food allergies and food-induced anaphylaxis: role of cofactors (3,257 times)
- 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)
- Retinopathy of prematurity: a review of epidemiology and current treatment strategies (3,079 times)
- 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.
- Original Article
- General Pediatrics
- Risk factors for childhood pneumonia: a case-control study in a high prevalence area in Indonesia (3,025 times)
- Vivi Ninda Sutriana, Mei Neni Sitaresmi, Abdul Wahab
- Clin Exp Pediatr. 2021;64(11):588-595. Published online March 15, 2021
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Question: Is the incidence of childhood pneumonia influenced by breastfeeding and basic immunization status?
Finding: Exclusive breastfeeding and complete basic immunization status have an effect in limiting the incidence of childhood pneumonia.
Meaning: While exclusive breastfeeding and complete basic immunization the Expanded Program on Immunization status are important factors for reducing the incidence of childhood pneumonia, indoor air pollution was also a significant risk factor.
- Review Article
- Neurology
- Cognitive outcomes in late childhood and adolescence of neonatal hypoxic-ischemic encephalopathy (2,976 times)
- 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.
- Editorial
- General Pediatrics
- Why should we be concerned about early menarche? (2,852 times)
- Hae Sang Lee
- Clin Exp Pediatr. 2021;64(1):26-27. Published online July 13, 2020
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· Early menarche is associated with several health problems in later life.
· Early menarche can be caused by environmental factors such as increased subcutaneous fat, a high body mass index, and sugar-sweetened beverages as well as genetic factors.
· Health education can prevent early menarche by aiming to reduce the consumption of fructose, high concentrations of which are present in sugar-sweetened beverages.
- Review Article
- Adolescence Medicine
- The impacts of exercise on pediatric obesity (2,845 times)
- 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.
- Neonatology (Perinatology)
- Pathophysiology, classification, and complications of common asymptomatic thrombocytosis in newborn infants (2,678 times)
- Ga Won Jeon
- Clin Exp Pediatr. 2022;65(4):182-187. Published online October 18, 2021
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· Thrombocytosis, common in newborns and infants (<2 years) (3%–13%), is caused by elevated thrombopoietin (TPO) concentrations.
· Serum TPO levels are significantly higher immediately to 1 month postnatal and decrease with age.
· Platelet counts are positively correlated with gestational age at birth and postnatal age.
· Thrombocytosis is more common in preterm than in term infants.
· Thrombocytosis in newborns is reactive and resolves spontaneously without complications.
- Neurology
- Myths and truths about pediatric psychogenic nonepileptic seizures (2,642 times)
- Jung Sook Yeom, Heather Bernard, Sookyong Koh
- Clin Exp Pediatr. 2021;64(6):251-259. Published online October 17, 2020
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• Psychogenic non-epileptic seizures (PNES) are events that look like epileptic seizures but are not caused by abnormal electrical discharges.
• PNES are a manifestation of psychological and emotional distress.
• Treatment for PNES does not begin with the psychological intervention but starts with the diagnosis and how the diagnosis is delivered.
• A multifactorial biopsychosocial process and a neurobiological review are both essential components when treating PNES
- Gastroenterology
- Current diagnosis and image-guided reduction for intussusception in children (2,519 times)
- Jisun Hwang, Hee Mang Yoon, Pyeong Hwa Kim, Ah Young Jung, Jin Seong Lee, Young Ah Cho
- Clin Exp Pediatr. 2023;66(1):12-21. Published online July 4, 2022
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· Intussusception, the most common cause of small bowel obstruction in young children, has an overall incidence in Korea of 28.3 cases per 100,000 person-years.
· Its cause is idiopathic inmost cases, although viral or bacterial gastroenteritis has beenpostulated as a cause. Approximately 4% of children have pathological lead points for intussusception, and Meckel’s diverticulum is the most common cause.
· Intussusception in preterm infants is extremely rare. Older children (>5 years of age) are at increased risk of pathological lead points.
- Neurology
- Update on benign convulsions with mild gastroenteritis (2,517 times)
- Yeong Seok Lee, Ga Hee Lee, Young Se Kwon
- Clin Exp Pediatr. 2022;65(10):469-475. Published online December 27, 2021
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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.
- Original Article
- Neurobehavior
- Association between previous abortion history and risk of autism spectrum disorders among offspring: a meta-analysis (2,433 times)
- Ensiyeh Jenabi, Erfan Ayubi, Saeid Bashirian, Mahdieh Seyedi, Mohammad Rezaei
- Clin Exp Pediatr. 2023;66(2):70-75. Published online August 17, 2022
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Question: This study aimed to determine whether there is an association between previous abortion history and the risk of autism spectrum disorders (ASDs) among children.
Finding: We found that the risk of ASD associated with previous abortion history had an odds ratio of 1.64 (95% confidence interval, 1.28–2.0; I2=61.7%).
Meaning: These findings suggest a positive and significant association between history of previous abortion and risk of ASD in children.
- Review Article
- Gastroenterology
- High-resolution esophageal manometry in children (2,425 times)
- Yogesh Waikar
- Clin Exp Pediatr. 2023;66(4):155-160. Published online October 17, 2022
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High-resolution esophageal manometry can be safely performed in children where recurrent vomiting and persistent dysphagia is the working diagnosis after excluding nonluminal and structural obstructive pathologies using pediatric upper gastrointestinal endoscopy. Normal manometry values are available. Clinical picture, biochemical tests, radiological interpretation, and endoscopic findings with manometry completes the analysis of patients with recurrent vomiting and dysphagia.
- Allergy
- Prevalence, comorbidities, diagnosis, and treatment of nonallergic rhinitis: real-world comparison with allergic rhinitis (2,407 times)
- 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...
- Neurology
- Is it really a seizure? The challenge of paroxysmal nonepileptic events in young infants (2,373 times)
- Seung Yeon Jung, Joon Won Kang
- Clin Exp Pediatr. 2021;64(8):384-392. Published online September 18, 2020
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Paroxysmal nonepileptic events (PNE) comprise of a variety of nonepileptic behaviors and are divided into various types. A more accurate diagnosis is possible by examining the video clip provided by the caregiver. In infants, physiologic PNE accounts for the majority of the PNE. It is important to exclude epilepsy, for which blood tests, electroencephalography, and imaging tests can facilitate differential...
- Original Article
- General Pediatrics
- Global relationship between parent and child obesity: a systematic review and meta-analysis (2,269 times)
- 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.
- Review Article
- Infection
- Updates on the coronavirus disease 2019 vaccine and consideration in children (2,268 times)
- 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.
- 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 (2,257 times)
- 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.
- Neurology
- Neonatal seizures: diagnostic updates based on new definition and classification (2,243 times)
- Eun-Hee Kim, Jeongmin Shin, Byoung Kook Lee
- Clin Exp Pediatr. 2022;65(8):387-397. Published online April 4, 2022
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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.
- Pulmonology
- Epidemiology and surveillance implications of community-acquired pneumonia in children (2,236 times)
- Eui Jeong Roh, Jung Yeon Shim, Eun Hee Chung
- Clin Exp Pediatr. 2022;65(12):563-573. Published online October 17, 2022
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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.
- Original Article
- Allergy
- Cohort profile: National Investigation of Birth Cohort in Korea study 2008 (NICKs-2008) (2,192 times)
- 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
- Gastroenterology
- Changing prevalence of Helicobacter pylori infection in children and adolescents (2,137 times)
- 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.
- Neurology
- Promising candidate cerebrospinal fluid biomarkers of seizure disorder, infection, inflammation, tumor, and traumatic brain injury in pediatric patients (2,091 times)
- Seh Hyun Kim, Soo Ahn Chae
- Clin Exp Pediatr. 2022;65(2):56-64. Published online August 23, 2021
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· Pediatric cerebrospinal fluid (CSF) components have been extensively evaluated as biomarkers of various neurologic diseases.
· Several promising candidate CSF biomarkers, including Tau, glial fibrillary acidic protein, neuron-specific enolase, S100β, and interleukins, have been studied in pediatric patients with seizure disorders, central nervous system infections, inflammation, tumors, hypoxic-ischemic encephalopathy, traumatic brain injuries, intraventricular hemorrhage, and congenital hydrocephalus.
· Circulating microRNAs in the CSF are a promising class of biomarkers for various neurological diseases.
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