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Original Article
Neonatology (Perinatology)
Synbiotics use for preventing sepsis and necrotizing enterocolitis in very low birth weight neonates: a randomized controlled trial
Ozge Serce Pehlevan, Derya Benzer, Tugba Gursoy, Guner Karatekin, Fahri Ovali
Clin Exp Pediatr. 2020;63(6):226-231.   Published online February 5, 2020
Background: Probiotics and prebiotics have strain-specific effects on the host. Synbiotics, a mixture of probiotics and prebiotics, are proposed to have more beneficial effects on the host than either agent has alone.
Purpose: We performed a randomized controlled trial to investigate the effect of Lactobacillus and Bifidobacterium together with oligosaccharides and lactoferrin on the development of necrotizing enterocolitis (NEC) or sepsis...
Endocrinology
Effect of agricultural pesticide on precocious puberty in urban children: an exploratory study
Junghwan Suh, Han Saem Choi, Ahreum Kwon, Hyun Wook Chae, Ho-Seong Kim
Clin Exp Pediatr. 2020;63(4):146-150.   Published online December 6, 2019
Question: Does agricultural pesticide effect precocious puberty in girls?
Finding: Dinotefuran, an insecticide of neonicotinoid class, was detected in one of 30 patients with precocious puberty, and in 2 girls of the normal control group, which was not statistically significant.
Meaning: There was no close relationship between agricultural pesticides and development of precocious puberty.
Review Article
Nephrology (Genitourinary)
Reconsideration of urine culture for the diagnosis of acute pyelonephritis in children: a new challenging method for diagnosing acute pyelonephritis
Jun Ho Lee, Seonkyeong Rhie
Clin Exp Pediatr. 2019;62(12):433-437.   Published online October 18, 2019
Acute pyelonephritis (APN) should be detected and treated as soon as possible to reduce the risk of the development of acquired renal scarring. However, in the medical field, urine culture results are not available or considered when the prompt discrimination of APN is necessary and empirical treatment is started. Furthermore, urine culture cannot discriminate APN among children with febrile urinary...
Treatment of refractory IgA vasculitis with dapsone: a systematic review
Keum Hwa Lee, Sung Hwi Hong, Jinhae Jun, Youngheun Jo, Woogyeong Jo, Dayeon Choi, Jeongho Joo, Guhyun Jung, Sunghee Ahn, Andreas Kronbichler, Michael Eisenhut, Jae Il Shin
Clin Exp Pediatr. 2020;63(5):158-163.   Published online September 24, 2019
IgA vasculitis, formerly known as Henoch-Schönlein purpura, is a systemic IgA-mediated vasculitis of the small vessels commonly seen in children. The natural history of IgA vasculitis is generally self-limiting; however, one-third of patients experience symptom recurrence and a refractory course. This systematic review examined the use of dapsone in refractory IgA vasculitis cases. A literature search of PubMed databases retrieved...
Original Article
Neurology
Correlation of serum S100B levels with brain magnetic resonance imaging abnormalities in children with status epilepticus
Prastiya Indra Gunawan, Darto Saharso, Dian Purnama Sari
Clin Exp Pediatr. 2019;62(7):281-285.   Published online May 8, 2019

Purpose: To evaluate the association between elevated S100B levels with brain tissue damage seen in abnormalities of head magnetic resonance imaging (MRI; diffusion tensor imaging [DTI] sequence) in patients with status epilepticus (SE). Methods: An analytical observational study was conducted in children hospitalized at Dr Soetomo Hospital, Surabaya, from July to December 2016. The patients were divided into 2 groups: SE...
Review Article
Neonatology (Perinatology)
Practice for preterm patent ductus arteriosus; focusing on the hemodynamic significance and the impact on the neonatal outcomes
Jin A Lee
Clin Exp Pediatr. 2019;62(7):245-251.   Published online April 8, 2019
Hemodynamically significant preterm patent ductus arteriosus (PDA) affects mortality; comorbidities such as necrotizing enterocolitis, intraventricular hemorrhage, and bronchopulmonary dysplasia; and adverse long-term neurodevelopmental outcomes in preterm infants, particularly in very low birth weight infants. However, recent studies have indicated that there is no consensus on the causal relationship between PDA and neonatal outcomes, the benefit of PDA treatment, the factors...
Original Article
Nutrition
The effect of high fat dietary modification and nutritional status on the outcome of critically ill ventilated children: single-center study
Nehal Mohamed El Koofy, Hanaa Ibrahim Rady, Shrouk Moataz Abdallah, Hafez Mahmoud Bazaraa, Walaa Ahmed Rabie, Ahmed Ali El-Ayadi
Clin Exp Pediatr. 2019;62(9):344-352.   Published online April 2, 2019
Background: Ventilator dependency constitutes a major problem in the intensive care setting. Malnutrition is considered a major determinant of extubation failure, however, attention has been attracted to modulating carbon dioxide production through decreasing carbohydrate loading and increasing the percent of fat in enteral feeds. The detected interrelation between substrate oxidation and ventilation outcome became the base of several research to...
Review Article
Trends in the use of antibiotics among Korean children
Young June Choe, Ju-Young Shin
Clin Exp Pediatr. 2019;62(4):113-118.   Published online March 4, 2019
Inappropriate antibiotic use is the most important factor causing increased bacterial resistance to antibiotics, thus affecting patient outcomes. Multidrug-resistant bacteria have become a serious public health threat, causing significant morbidity and mortality worldwide. In Korea, the burden of antibioticresistant bacteria has become an important public health issue. There is increasing evidence of overuse and misuse of antibiotics in Korea, as...
Case Report
Infection
Scabies mimicking graft versus host disease in a hematopoietic cell transplant recipient
Dongsub Kim, Soo-Han Choi, Dong Youn Lee, Juyoun Kim, Eunjoo Cho, Keon Hee Yoo, Hong Hoe Koo, Yae-Jean Kim
Clin Exp Pediatr. 2018;61(11):371-373.   Published online November 9, 2018
Scabies is a highly contagious skin infestation caused by the mite, Sarcoptes scabiei var. hominis. Complex responses to scabies mites in the innate, humoral, and cellular immune systems can cause skin inflammation and pruritus. Diagnosis can be challenging because scabies resembles other common skin conditions. We report the first Korean case of scabies in a hematopoietic cell transplant (HCT) recipient,...
Review Article
Allergy
Particulate matter and childhood allergic diseases
Song-I Yang
Clin Exp Pediatr. 2019;62(1):22-29.   Published online November 7, 2018
Particulate matter (PM) is a ubiquitous air pollutant that is a growing public health concern. Previous studies have suggested that PM is associated with asthma development and exacerbation of asthma symptoms. Although several studies have suggested increased risks of atopic dermatitis, allergic rhinitis, and allergic sensitization in relation to PM exposure, the evidence remains inconsistent. The plausible mechanisms underlying these...
Case Report
Allergy
Drug eruption by antihistamine mistaken for chronic urticaria in a child
Gun Moo Lee, Shou-Yu Chu, Sung Yeon Kang, Hyo-Bin Kim, Jin-Sung Park, Ja Kyoung Kim
Clin Exp Pediatr. 2019;62(2):75-78.   Published online October 30, 2018
Although rare, antihistamines can cause adverse effects, including drug-induced eruptions or anaphylaxis. A 4-year-old child visited the pediatric department of a hospital for skin eruptions after administration of antihistamines, (e.g., ucerax [hydroxyzine] or leptizine [levocetirizine]), for cholinergic rashes; he did not have pruritus. Skin prick, intradermal, and drug provocation tests were performed to determine the relationship between the antihistamines and...
Original Article
Respiratory syncytial virus-associated seizures in Korean children, 2011–2016
Teahyen Cha, Young Jin Choi, Jae-Won Oh, Chang-Ryul Kim, Dong Woo Park, In Joon Seol, Jin-Hwa Moon
Clin Exp Pediatr. 2019;62(4):131-137.   Published online October 23, 2018

Purpose: Respiratory syncytial virus (RSV) infection can cause various neurological complications. This study aimed to investigate the RSV-associated neurologic manifestations that present with seizures. Methods: We retrospectively reviewed the medical records of patients aged less than 15 years with laboratory-confirmed RSV infections and seizures between January 2011 and December 2016 in a regional hospital in South Korea. Results: During this period, 1,193...
Nephrology (Genitourinary)
Changes in the thyroid hormone profiles in children with nephrotic syndrome
Sun Hee Jung, Jeong Eun Lee, Woo Yeong Chung
Clin Exp Pediatr. 2019;62(3):85-89.   Published online October 4, 2018

Purpose: We compared thyroid hormone profiles in children with nephrotic syndrome (NS) during the nephrotic phase and after remission. Methods: This study included 31 pediatric NS patients. The thyroid hormone profiles included serum levels of triiodothyronine (T3), thyroxine (T4), thyroid-stimulating hormone (TSH), and free T4. Results: Of the 31 patients, 16 (51.6%) showed abnormal thyroid hormone profiles: 6 had overt hypothyroidism, 8...
Neonatology (Perinatology)
Patterns of ischemic injury on brain images in neonatal group B Streptococcal meningitis
Seo Yeol Choi, Jong-Wan Kim, Ji Won Ko, Young Seok Lee, Young Pyo Chang
Clin Exp Pediatr. 2018;61(8):245-252.   Published online August 15, 2018

Purpose: This study investigated patterns of ischemic injury observed in brain images from patients with neonatal group B Streptococcal (GBS) meningitis. Methods: Clinical findings and brain images from eight term or near-term newborn infants with GBS meningitis were reviewed. Results: GBS meningitis was confirmed in all 8 infants via cerebrospinal fluid (CSF) analysis, and patients tested positive for GBS in both blood and CSF cultures....
Endocrinology
Changes of the growth plate in children: 3-dimensional magnetic resonance imaging analysis
Hyung Ho Yun, Hyun-Jung Kim, Min-Sun Jeong, Yun-Sun Choi, Ji-Young Seo
Clin Exp Pediatr. 2018;61(7):226-230.   Published online July 15, 2018

Purpose: This pilot study assessed changes in the growth plate and growth rates in children during a 6-month period. Methods: The study included 31 healthy children (17 boys, 14 girls) under evaluation for growth retardation. Height, weight, bone age, insulin like growth factor-1 (IGF-1), and insulin like growth factor binding protein 3 (IGF-BP3) were measured at baseline and after 6 months....
Neurology
Outcome of ultrasonographic imaging in infants with sacral dimple
Jin Hyuk Choi, Taekwan Lee, Hyeok Hee Kwon, Sun Kyoung You, Joon Won Kang
Clin Exp Pediatr. 2018;61(6):194-199.   Published online June 25, 2018
Purpose

Sacral dimples are a common cutaneous anomaly in infants. Spine ultrasonography (USG) is an effective and safe screening tool for patients with a sacral dimple. The aim of this study was to determine the clinical manifestations in patients with an isolated sacral dimple and to review the management of spinal cord abnormalities identified with USG.

Methods

We reviewed clinical records and collected...

Cardiology
Differentiation between incomplete Kawasaki disease and secondary hemophagocytic lymphohistiocytosis following Kawasaki disease using N-terminal pro-brain natriuretic peptide
Jung Eun Choi, Yujin Kwak, Jung Won Huh, Eun-Sun Yoo, Kyung-Ha Ryu, Sejung Sohn, Young Mi Hong
Clin Exp Pediatr. 2018;61(5):167-173.   Published online May 28, 2018
Purpose

Hemophagocytic lymphohistiocytosis (HLH) is a hyperinflammatory syndrome with many causes, including Kawasaki disease (KD). The purpose of this study was to identify the laboratory tests needed to easily differentiate KD with HLH from incomplete KD alone.

Methods

We performed a retrospective study on patients diagnosed with incomplete KD and incomplete KD with HLH (HLH-KD) between January 2012 and March 2015. We compared...

Review Article
Neurology
Epilepsy syndromes during the first year of life and the usefulness of an epilepsy gene panel
Eun Hye Lee
Clin Exp Pediatr. 2018;61(4):101-107.   Published online April 23, 2018

Recent advances in genetics have determined that a number of epilepsy syndromes that occur in the first year of life are associated with genetic etiologies. These syndromes range from benign familial epilepsy syndromes to early-onset epileptic encephalopathies that lead to poor prognoses and severe psychomotor retardation. An early genetic diagnosis can save time and overall cost by reducing the amount...

Nephrology (Genitourinary)
Atypical hemolytic uremic syndrome and eculizumab therapy in children
Seong Heon Kim, Hye Young Kim, Su Young Kim
Clin Exp Pediatr. 2018;61(2):37-42.   Published online February 28, 2018

Hemolytic uremic syndrome (HUS) is often encountered in children with acute kidney injury. Besides the well-known shiga toxin-producing Escherichia coli-associated HUS, atypical HUS (aHUS) caused by genetic complement dysregulation has been studied recently. aHUS is a rare, chronic, and devastating disorder that progressively damages systemic organs, resulting in stroke, end-stage renal disease, and death. The traditional treatment for aHUS is...

Case Report
Neonatology (Perinatology)
Case of mucinous adenocarcinoma of the lung associated with congenital pulmonary airway malformation in a neonate
Juneyoug Koh, Euiseok Jung, Se Jin Jang, Dong Kwan Kim, Byong Sop Lee, Ki-Soo Kim, Ellen Ai-Rhan Kim
Clin Exp Pediatr. 2018;61(1):30-34.   Published online January 22, 2018

Congenital pulmonary airway malformation (CPAM), previously known as congenital cystic adenomatoid malformation, is a rare developmental lung abnormality associated with rhabdomyosarcoma, pleuropulmonary blastoma, and mucinous adenocarcinoma of the lung. We report an unusual case of a 10-day-old male newborn with a left lower lobe pulmonary cyst who underwent lobectomy, which revealed type II CPAM complicated by multifocal mucinous adenocarcinoma. KRAS...

Original Article
Neurology
Clinical characteristics of hypertensive encephalopathy in pediatric patients
Chang Hoon Ahn, Seung-A Han, Young Hwa Kong, Sun Jun Kim
Clin Exp Pediatr. 2017;60(8):266-271.   Published online August 14, 2017
Purpose

The aim of this study was to assess the clinical characteristics of hypertensive encephalopathy according to the underlying etiologies in children.

Methods

We retrospectively evaluated 33 pediatric patients who were diagnosed as having hypertensive encephalopathy in Chonbuk National University Children's Hospital. Among the patients, 18 were excluded because of incomplete data or because brain magnetic resonance imaging (MRI) was not performed. Finally,...

Case Report
Pulmonology
A pediatric case of relapsed pulmonary alveolar proteinosis despite successful whole lung lavage
Seung Young Jin, Hye Ri Yun, Yun Jung Choi, Jun Dong Park, Jin Tae Kim, Chang Hyun Kang, Young Sik Park, Young Hun Choi, Woo Sun Kim, Dong In Suh
Clin Exp Pediatr. 2017;60(7):232-236.   Published online July 31, 2017

Pulmonary alveolar proteinosis (PAP) is a rare disease in children characterized by intra-alveolar accumulation of surfactant proteins, which severely reduces gaseous exchange. Whole lung lavage (WLL) is the preferred technique for the treatment of severe PAP. Herein, we present a pediatric case of PAP treated with WLL. An 11-year-old boy was admitted with the chief complaint of a dry cough...

Original Article
Neurology
Effects of low-dose topiramate on language function in children with migraine
Seung-A Han, Eu Jeen Yang, Younghwa Kong, Chan-Uhng Joo, Sun Jun Kim
Clin Exp Pediatr. 2017;60(7):227-231.   Published online July 31, 2017
Purpose

This study aimed to verify the safety of low-dose topiramate on language development in pediatric patients with migraine.

Methods

Thirty newly diagnosed pediatric patients with migraine who needed topiramate were enrolled and assessed twice with standard language tests, including the Test of Language Problem Solving Abilities (TOPs), Receptive and Expressive Vocabulary Test, Urimal Test of Articulation and Phonology, and computerized speech laboratory...

Effects of lamotrigine on attention-deficit hyperactivity disorder in pediatric epilepsy patients
Seung-A Han, Eu Jeen Yang, Mi-Kyoung Song, Sun Jun Kim
Clin Exp Pediatr. 2017;60(6):189-195.   Published online June 22, 2017
Purpose

The purpose of this study was to investigate the effects of lamotrigine for the treatment of attention-deficit hyperactivity disorder (ADHD) symptoms in children with epilepsy.

Methods

Pediatric patients newly diagnosed with epilepsy (n=90 [61 boys and 29 girls]; mean age, 9.1±3.4 years) were enrolled. All patients were evaluated with the Korean ADHD rating scale (K-ARS)-IV before treatment with lamotrigine and after doses...

Neonatology (Perinatology)
Individualized ibuprofen treatment using serial B-type natriuretic peptide measurement for symptomatic patent ductus arteriosus in very preterm infants
Jeonghee Shin, Eun Hee Lee, Jee Hyun Lee, Byung Min Choi, Young Sook Hong
Clin Exp Pediatr. 2017;60(6):175-180.   Published online June 22, 2017
Purpose

Plasma level of B-type natriuretic peptide (BNP), an emerging, sensitive, and specific biomarker of hemodynamically significant patent ductus arteriosus (PDA), rapidly decreases in infants receiving cyclooxygenase inhibitors for ductal closure. We investigated the usefulness of serial BNP measurement as a guide for individual identification of early constrictive responses to ibuprofen in preterm infants with symptomatic PDA (sPDA).

Methods

Before March 2010, the...

Review Article
Oncology
Prognostic factors and treatment of pediatric acute lymphoblastic leukemia
Jae Wook Lee, Bin Cho
Clin Exp Pediatr. 2017;60(5):129-137.   Published online May 31, 2017

The event-free survival (EFS) for pediatric acute lymphoblastic leukemia (ALL) has shown remarkable improvement in the past several decades. In Korea also, a recent study showed 10-year EFS of 78.5%. Much of the improved outcome for pediatric ALL stems from the accurate identification of prognostic factors, the designation of risk group based on these factors, and treatment of appropriate duration...

Original Article
Nutrition
Maternal food restrictions during breastfeeding
Goun Jeong, Sung Won Park, Yeon Kyung Lee, Sun Young Ko, Son Moon Shin
Clin Exp Pediatr. 2017;60(3):70-76.   Published online March 27, 2017
Purpose

This study investigated self-food restriction during breastfeeding, reviewed the literature showing the effect of maternal diet on the health of breast-fed infants, and explored the validity of dietary restrictions.

Methods

Questionnaire data were collected from breastfeeding Korean mothers who visited the pediatric clinic of Cheil General Hospital & Women's Healthcare Center from July 2015 through August 2015. The survey included items assessing...

Review Article
Nephrology (Genitourinary)
Genetics of hereditary nephrotic syndrome: a clinical review
Tae-Sun Ha
Clin Exp Pediatr. 2017;60(3):55-63.   Published online March 27, 2017

Advances in podocytology and genetic techniques have expanded our understanding of the pathogenesis of hereditary steroid-resistant nephrotic syndrome (SRNS). In the past 20 years, over 45 genetic mutations have been identified in patients with hereditary SRNS. Genetic mutations on structural and functional molecules in podocytes can lead to serious injury in the podocytes themselves and in adjacent structures, causing sclerotic...

Original Article
Neonatology (Perinatology)
Experience and pharmacokinetics of Levetiracetam in Korean neonates with neonatal seizures
Jae Won Shin, Yun Seob Jung, Kyungsoo Park, Soon Min Lee, Ho Seon Eun, Min Soo Park, Kook In Park, Ran Namgung
Clin Exp Pediatr. 2017;60(2):50-54.   Published online February 27, 2017
Purpose

The aims of this study were to evaluate the safety and pharmacokinetics of levetiracetam (LEV) in neonates with seizures and to establish a population pharmacokinetics (PPK) model by using the software NONMEM.

Methods

A retrospective analysis of 18 neonatal patients with seizures, who were treated with LEV, including 151 serum samples, was performed. The mean loading dose was 20 mg/kg, followed by...

Cardiology
Predictive factors of resistance to intravenous immunoglobulin and coronary artery lesions in Kawasaki disease
Hye Young Lee, Min Seob Song
Clin Exp Pediatr. 2016;59(12):477-482.   Published online December 31, 2016
Purpose

We conducted a study to determine which factors may be useful as predictive markers in identifying Kawasaki disease (KD) patients with a high risk of resistance to intravenous immunoglobulin (IVIG) and developing coronary artery lesions (CAL).

Methods

We enrolled 287 patients in acute phase of KD at a single center. The demographic, clinical and laboratory data were collected retrospectively.

Results

There were 34 patients...