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Original Article
Neonatology (Perinatology)
Healthcare access challenges facing six African refugee mothers in South Korea: a qualitative multiple-case study
Min Sun Kim, In Gyu Song, Ah Reum An, Kyae Hyung Kim, Ji Hoon Sohn, Sei Won Yang
Clin Exp Pediatr. 2017;60(5):138-144.   Published online May 31, 2017
Purpose

Following legal reform in 2013, the annual number of asylum seekers entering South Korea has increased from 1,143 in 2012 to 5,711 in 2015. We interviewed six African refugee mothers of young children regarding their health needs and barriers to access maternal child health services.

Methods

We recruited mothers who had visited a clinic for immigrants between July 2013 and August 2015....

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
Infection
Effects of clarithromycin treatment in scrub typhus in children: comparison with chloramphenicol and azithromycin
Min Lee, June Kim, Dae Sun Jo
Clin Exp Pediatr. 2017;60(4):124-127.   Published online April 25, 2017
Purpose

Chloramphenicol and tetracycline are not recommended for treating scrub typhus in pediatric patients because of potential side effects, such as aplastic anemia or tooth discoloration. While clarithromycin has recently been used in adults, few reports have been published on its effects in pediatric patients. We report the clinical profiles of pediatric scrub typhus and the effects of clarithromycin on scrub...

Nutrition
Effect of tuberculosis treatment on leptin levels, weight gain, and percentage body fat in Indonesian children
Maria Mexitalia, Yesi Oktavia Dewi, Adriyan Pramono, Mohammad Syarofil Anam
Clin Exp Pediatr. 2017;60(4):118-123.   Published online April 25, 2017
Purpose

Tuberculosis (TB) remains a problem in the community. TB patients usually experience malnutrition, which is characterized by both decreased body weight (BW) and body fat percentage (BFP). Leptin, an important regulator of BW, also plays an important role in cellular immunity, which is integral to defense against Mycobacterium tuberculosis infection. We analyzed the effect of an anti-TB treatment regimen on...

Cardiology
Clinical usefulness of serum procalcitonin level in distinguishing between Kawasaki disease and other infections in febrile children
Na Hyun Lee, Hee Joung Choi, Yeo Hyang Kim
Clin Exp Pediatr. 2017;60(4):112-117.   Published online April 25, 2017
Purpose

The aims of this study were to compare serum procalcitonin (PCT) levels between febrile children with Kawasaki disease (KD) and those with bacterial or viral infections, and assess the clinical usefulness of PCT level in predicting KD.

Methods

Serum PCT levels were examined in febrile pediatric patients admitted between August 2013 and August 2014. The patients were divided into 3 groups as...

Genetics and Metabolism
Neonatal indirect hyperbilirubinemia and glucose-6-phosphate dehydrogenase deficiency
Hasan M. Isa, Masooma S. Mohamed, Afaf M. Mohamed, Adel Abdulla, Fuad Abdulla
Clin Exp Pediatr. 2017;60(4):106-111.   Published online April 25, 2017
Purpose

This study aimed to determine the prevalence of glucose-6-phosphate dehydrogenase (G6PD) deficiency among infants with neonatal indirect hyperbilirubinemia (NIH); compare G6PD-deficient and G6PD-normal patients regarding hyperbilirubinemia and need for exchange transfusions (ET); and assess risk factors for ET and kernicterus.

Methods

This is a case-control retrospective study. Medical records of NIH patients admitted to the Pediatric Department, Salmaniya Medical Complex, Bahrain, between...

Review Article
Allergy
IgE-mediated food allergies in children: prevalence, triggers, and management
Sooyoung Lee
Clin Exp Pediatr. 2017;60(4):99-105.   Published online April 25, 2017

Food allergy (FA) is a serious health problem, and severe FA such as food-induced anaphylaxis can often be life threatening. The incidence of FA has been increasing especially in children. They usually develop early in life and affect up to 10% of children. The 2 most common food allergens worldwide are milk and eggs, while the third one varies depending...

Case Report
Genetics and Metabolism
A compound heterozygous mutation in the FMO3 gene: the first pediatric case causes fish odor syndrome in Korea
Ji Hyun Kim, Sung Min Cho, Jong-Hee Chae
Clin Exp Pediatr. 2017;60(3):94-97.   Published online March 27, 2017

Trimethylaminuria (TMAuria), known as “fish odor syndrome,” is a congenital metabolic disorder characterized by an odor resembling that of rotting fish. This odor is caused by the secretion of trimethylamine (TMA) in the breath, sweat, and body secretions and the excretion of TMA along with urine. TMAuria is an autosomal recessive disorder caused by mutations in flavin-containing monooxygenase 3 (FMO3)....

Original Article
Oncology
Posttransplantation lymphoproliferative disorder after pediatric solid organ transplantation: experiences of 20 years in a single center
Hyung Joo Jeong, Yo Han Ahn, Eujin Park, Youngrok Choi, Nam-Joon Yi, Jae Sung Ko, Sang Il Min, Jong Won Ha, Il-Soo Ha, Hae Il Cheong, Hee Gyung Kang
Clin Exp Pediatr. 2017;60(3):86-93.   Published online March 27, 2017
Purpose

To evaluate the clinical spectrum of posttransplantation lymphoproliferative disorder (PTLD) after solid organ transplantation (SOT) in children.

Methods

We retrospectively reviewed the medical records of 18 patients with PTLD who underwent liver (LT) or kidney transplantation (KT) between January 1995 and December 2014 in Seoul National University Children's Hospital.

Results

Eighteen patients (3.9% of pediatric SOTs; LT:KT, 11:7; male to female, 9:9) were diagnosed...

Infection
Etiology and clinical characteristics of fever of unknown origin in children: a 15-year experience in a single center
Yi-Seul Kim, Kyung-Ran Kim, Ji-Man Kang, Jong-Min Kim, Yae-Jean Kim
Clin Exp Pediatr. 2017;60(3):77-85.   Published online March 27, 2017
Purpose

Fever is one of the most common symptoms in children. In previous studies, infectious disease was the most common cause of pediatric fever of unknown origin (FUO). The aim of this study is to investigate the etiology, clinical characteristics and prognosis of pediatric FUO in 21 century with more diagnostics available and to analyze the factors for certain disease categories.

Methods

Among...

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...

Neonatology (Perinatology)
Postdischarge growth assessment in very low birth weight infants
Joon-Sik Park, Jungho Han, Jeong Eun Shin, Soon Min Lee, Ho Seon Eun, Min-Soo Park, Kook-In Park, Ran Namgung
Clin Exp Pediatr. 2017;60(3):64-69.   Published online March 27, 2017
Purpose

The goal of nutritional support for very-low-birth-weight (VLBW) infants from birth to term is to match the in utero growth rates; however, this is rarely achieved.

Methods

We evaluated postdischarge growth patterns and growth failure in 81 Korean VLBW infants through a retrospective study. Weight and height were measured and calculated based on age percentile distribution every 3 months until age 24...

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...

Endocrinology
The serum level of 25-hydroxyvitamin D for maximal suppression of parathyroid hormone in children: the relationship between 25-hydroxyvitamin D and parathyroid hormone
Jung In Kang, Yoon Suk Lee, Ye Jin Han, Kyoung Ae Kong, Hae Soon Kim
Clin Exp Pediatr. 2017;60(2):45-49.   Published online February 27, 2017
Purpose

Serum level of 25-hydroxyvitamin D (25-OHD) is considered as the most appropriate marker of vitamin D status. However, only a few studies have investigated the relationship between 25-OHD and parathyroid hormone (PTH) in children. To this end, this study was aimed at evaluating the lowest 25-OHD level that suppresses the production of parathyroid hormone in children.

Methods

A retrospective record review was...

Cardiology
Relationship between serum sodium level and coronary artery abnormality in Kawasaki disease
Sora Park, Lucy Youngmin Eun, Ji Hong Kim
Clin Exp Pediatr. 2017;60(2):38-44.   Published online February 27, 2017
Purpose

Kawasaki disease (KD) is an immune-related multisystemic vasculitis that occurs in children, especially ensuing from a coronary artery abnormality. Sodium level is known to be related to vascular injury, which could affect the progress of KD. The purpose of this study was to determine the serum sodium levels that could predict the occurrence of cardiac and coronary artery events in...

Review Article
Endocrinology
Management issues of congenital adrenal hyperplasia during the transition from pediatric to adult care
Jin-Ho Choi, Han-Wook Yoo
Clin Exp Pediatr. 2017;60(2):31-37.   Published online February 27, 2017

Steroid 21-hydroxylase deficiency is the most prevalent form of congenital adrenal hyperplasia (CAH), accounting for approximately 95% of cases. With the advent of newborn screening and hormone replacement therapy, most children with CAH survive into adulthood. Adolescents and adults with CAH experience a number of complications, including short stature, obesity, infertility, tumor, osteoporosis, and reduced quality of life. Transition from...

Original Article
Cardiology
The outcome of short-term low-dose aspirin treatment in Kawasaki disease based on inflammatory markers
Jae Won Yoo, Ji Mok Kim, Hong Ryang Kil
Clin Exp Pediatr. 2017;60(1):24-29.   Published online January 24, 2017
Purpose

Previously, Kawasaki disease (KD) treatment with low-dose aspirin was administered for 6–8 weeks after the acute phase. However, inflammatory marker levels normalize before 6–8 weeks. In this study, we aimed to investigate the clinical outcome of short-term low-dose aspirin treatment based on inflammatory and thrombotic marker levels.

Methods

We performed a retrospective review of the medical records of patients with KD who...

General Pediatrics
The correlation of depression with Internet use and body image in Korean adolescents
Chang Hoon Lim, Eun Ji Kim, Jong Hyun Kim, Jue Seong Lee, Yoon Lee, Sang Hee Park
Clin Exp Pediatr. 2017;60(1):17-23.   Published online January 24, 2017
Purpose

To examine the correlation of depression with Internet use and body image perception, and to analyze the risk factors of depression in a total of 920 students in Seoul, Korea.

Methods

Students were recruited by contacting school principals and teachers and were encouraged to fill out a self-report questionnaire designed specifically for this study in July of 2008.

Results

Female participants had an increased...

Neonatology (Perinatology)
The influencing factors on procalcitonin values in newborns with noninfectious conditions during the first week of life
Jueseong Lee, Yong Hyeon Bang, Eun Hee Lee, Byung Min Choi, Young Sook Hong
Clin Exp Pediatr. 2017;60(1):10-16.   Published online January 16, 2017
Purpose

Although procalcitonin (PCT) level is useful for the diagnosis of neonatal sepsis, PCT reliability is inconsistent because of the varied conditions encountered in neonatal intensive care units. This study aimed to investigate PCT levels and factors influencing increased PCT levelin newborns without bacterial infection during the first week of life.

Methods

In newborns hospitalized between March 2013 and October 2015, PCT levels...

Review Article
Neurology
Malformations of cortical development: genetic mechanisms and diagnostic approach
Jeehun Lee
Clin Exp Pediatr. 2017;60(1):1-9.   Published online January 31, 2017

Malformations of cortical development are rare congenital anomalies of the cerebral cortex, wherein patients present with intractable epilepsy and various degrees of developmental delay. Cases show a spectrum of anomalous cortical formations with diverse anatomic and morphological abnormalities, a variety of genetic causes, and different clinical presentations. Brain magnetic resonance imaging has been of great help in determining the exact...

Case Report
General Pediatrics
Accidental ingestion of E-cigarette liquid nicotine in a 15-month-old child: an infant mortality case of nicotine intoxication
An Deok Seo, Dong Chan Kim, Hee Joon Yu, Min Jae Kang
Clin Exp Pediatr. 2016;59(12):490-493.   Published online December 31, 2016

Electronic cigarettes are novel tobacco products that are frequently used these days. The cartridge contains liquid nicotine and accidental poisoning, even with a small oral dose, endangers children. We present here a mortality case of a 15-month-old child who ingested liquid nicotine mistaking it for cold medicine. When the emergency medical technicians arrived, she was found to have pulseless electrical...

Original Article
Neurology
Single-center experience of the Korean-Developmental Screening Test for infants and children
Chae-Ri Suh, Su Ye Sohn, Gun-Ha Kim, Seong-Kwan Jung, Baik-Lin Eun
Clin Exp Pediatr. 2016;59(12):483-489.   Published online December 31, 2016
Purpose

We investigated the number of test takers of the Korean-Developmental Screening Test (K-DST) in a single children's hospital within a year, according to age, referral rate, and follow-up percentage.

Methods

For this study, 4,062 children who visited and received K-DST at Woorisoa Children's Hospital between January and December 2015 were enrolled. Seven test sets were used according to the Korean National Health...

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...

Pulmonology
Clinical predictors of chest radiographic abnormalities in young children hospitalized with bronchiolitis: a single center study
Ga Ram Kim, Min Sun Na, Kyung Suk Baek, Seung Jin Lee, Kyung Suk Lee, Young Ho Jung, Hye Mi Jee, Tae Hee Kwon, Man Yong Han, Youn Ho Sheen
Clin Exp Pediatr. 2016;59(12):471-476.   Published online December 31, 2016
Purpose

Chest radiography is often performed on patients hospitalized with typical clinical manifestations of bronchiolitis. We aimed to determine the proportion of subjects with pathologic chest radiographic findings and the clinical predictors associated with pathologic chest radiographic findings in young children admitted with the typical presentation of bronchiolitis.

Methods

We obtained the following data at admission: sex, age, neonatal history, past history of...

Review Article
Neonatology (Perinatology)
Enteral nutrition for optimal growth in preterm infants
Myo-Jing Kim
Clin Exp Pediatr. 2016;59(12):466-470.   Published online December 31, 2016

Early, aggressive nutrition is an important contributing factor of long-term neurodevelopmental outcomes. To ensure optimal growth in premature infants, adequate protein intake and optimal protein/energy ratio should be emphasized rather than the overall energy intake. Minimal enteral nutrition should be initiated as soon as possible in the first days of life, and feeding advancement should be individualized according to the...

Infection
Recommended immunization schedule for children and adolescents: Immunization Guideline (8th edition) released by the Korean Pediatric Society in 2015
Jong-Hyun Kim, Eun Hwa Choi, Su Eun Park, Yae-Jean Kim, Dae Sun Jo, Yun-Kyung Kim, Byung-Wook Eun, Jina Lee, Soo-Young Lee, Hyunju Lee, Ki Hwan Kim, Kyung-Hyo Kim
Clin Exp Pediatr. 2016;59(12):461-465.   Published online December 31, 2016

This report includes the recommended immunization schedule table for children and adolescents based on the 8th (2015) and revised 7th (2012) Immunization Guidelines released by the Committee on Infectious Diseases of the Korean Pediatric Society (KPS). Notable revised recommendations include: reorganization of the immunization table with a list of vaccines on the vertical axis and the corresponding age on the...

Case Report
Genetics and Metabolism
Edentulous child with Allgrove syndrome: a rare case report
Mohammad Vahedi, Shima Fathi, Hanif Allahbakhshi
Clin Exp Pediatr. 2016;59(11):456-459.   Published online November 18, 2016

Triple-A syndrome, also known as Allgrove syndrome, is a rare autosomal recessive disorder. The 3 features of this syndrome are achalasia, adrenal insufficiency, and alacrima. Achalasia could be the first manifestation of the triple-A syndrome; however, its etiology is unclear. Alacrima is generally asymptomatic but can be detected by obtaining patient history. Although adrenal insufficiency could have manifestations such as...

Original Article
Cardiology
P wave dispersion on 12-lead electrocardiography in adolescents with neurocardiogenic syncope
Dong-Hyuk Lee, Kyung-Min Lee, Jung-Min Yoon, Jae-Woo Lim, Kyung-Ok Kho, Hong-Ryang Kil, Eun-Jung Cheon
Clin Exp Pediatr. 2016;59(11):451-455.   Published online November 18, 2016
Purpose

Neurocardiogenic syncope (NCS) is the most frequent cause of fainting during adolescence. Inappropriate cardiovascular autonomic control may be responsible for this clinical event. The head-up tilt test has been considered a diagnostic standard, but it is cumbersome and has a high false-positive rate. We performed a study to evaluate whether P-wave dispersion (PWD) could be a useful electrocardiographic parameter of...

Impact of postoperative duration of Aspirin use on longevity of bioprosthetic pulmonary valve in patients who underwent congenital heart disease repair
Tae-Woong Hwang, Sung-Ook Kim, Sang-Yun Lee, Seong-Ho Kim, Eun-Young Choi, So-Ick Jang, Su-Jin Park, Hye-Won Kwon, Hyo-Bin Lim, Chang-Ha Lee, Eun-Seok Choi
Clin Exp Pediatr. 2016;59(11):446-450.   Published online November 18, 2016
Purpose

Generally, aspirin is used as a protective agent against thrombogenic phenomenon after pulmonary valve replacement (PVR) using a bioprosthetic valve. However, the appropriate duration of aspirin use is unclear. We analyzed the impact of postoperative duration of aspirin use on the longevity of bioprosthetic pulmonary valves in patients who underwent repair for congenital heart diseases.

Methods

We retrospectively reviewed the clinical data...