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Original Article
Neonatology (Perinatology)
Oral administration of bone marrow-derived mesenchymal stem cells attenuates intestinal injury in necrotizing enterocolitis
Yeong Seok Lee, Yong Hoon Jun, Juyoung Lee
Clin Exp Pediatr. 2024;67(3):152-160.   Published online February 19, 2024
Question: What is the optimal dose of bone marrow-derived mesenchymal stem cells (BM-MSCs) for treating necrotizing enterocolitis (NEC), and is orally administered BM-MSC effective?
Findings: High (1×106 cells) or multiple BM-MSC doses showed similar effects as low (1×105 cells) doses of intraperitoneally administered BM-MSCs. Furthermore, orally administered BM-MSCs were as effective as intraperitoneally administered BM-MSCs.
Meaning: Orally administered low-dose BM-MSCs are a potential treatment for NEC.
A thickened formula reduces feeding-associated oxygen desaturation and bradycardia in preterm infants
Gayoung Lee, Juyoung Lee, Ga Won Jeon, Yong Hoon Jun
Clin Exp Pediatr. 2023;66(1):32-37.   Published online December 15, 2022
Question: Is a commercial thickened formula able to alleviate oral feeding-associated desaturation and bradycardia in preterm infants?
Finding: Thickened formula feeding significantly reduced oral feeding-associated desaturation and bradycardia in preterm infants.
Meaning: Thickened formula feeding stabilizes oxygen saturation and heart rate during oral feeding among preterm infants with feeding difficulties.
Clinical impact of admission hypothermia in very low birth weight infants: results from Korean Neonatal Network
Na Hyun Lee, Soo Kyung Nam, Juyoung Lee, Yong Hoon Jun
Clin Exp Pediatr. 2019;62(10):386-394.   Published online May 22, 2019
Background: Preterm infants have difficulty maintaining body temperature after birth. However, clinical guidelines advocate that neonatal body temperature should be maintained at 36.5°C–37.5°C.
Purpose: We aimed to investigate the incidence of admission hypothermia in very low birth weight (VLBW) infants and to determine the association of admission temperature with in-hospital mortality and morbidities. Methods: A cohort study using prospectively collected data involving...
Weaning food practice in children with iron deficiency anemia
Joo Hee Chang, Woo Sik Cheong, Yong Hoon Jun, Soon Ki Kim, Hung Sik Kim, Sang Kyu Park, Kyung Ha Ryu, Eun Sun Yoo, Chuhl Joo Lyu, Kun soo Lee, Kwang Chul Lee, Jae Young Lim, Du Young Choi, Byung Kyu Choe, Eun Jin Choi, Bong Soon Choi
Clin Exp Pediatr. 2009;52(2):159-166.   Published online February 15, 2009
Purpose : Iron deficiency anemia (IDA) is one of the most common nutritional deficiencies in children on a weaning diet. We investigated weaning practices in infants and children, as well as their mothers' knowledge about weaning. Methods : We investigated 129 children with IDA and 166 without IDA (aged 6-36 months) who had visited 10 university hospitals between March 2006...
Subclinical rickets in breastfed infants
Sin Young Park, Sung Woo Park, Sung Kil Kang, Yong Hoon Jun, Soon Ki Kim, Byong Kwan Son, Jee Eun Lee
Clin Exp Pediatr. 2007;50(12):1188-1193.   Published online December 15, 2007
Purpose : The prevalence of rickets in the world is on the rise not only in developing but also in developed countries. In Korea, breastfeeding has increased. There have been few studies on the possible association of rickets with breastfeeding. The purpose of this study was to identify the development and the clinical presentation of subclinical rickets in breastfed infants. Methods...
Severe hypernatremic dehydration in a breast-fed neonate
Yun Jung Oh, Ji Eun Lee, So Hyun An, Yang Kyong Kim, Sung Kil Kang, Ja Kyoung Kim, Byong Kwan Son, Yong Hoon Jun
Clin Exp Pediatr. 2007;50(1):85-88.   Published online January 15, 2007
Although it is a rare condition, breast-feeding may result in hypernatremic dehydration. However, incidences might be increasing with more mothers breast-feeding. Although the early detection and management of hypernatremic dehydration from breast-feeding is important, its prevention is even more important on account of its serious complications. In order to prevent hypernatremic dehydration secondary to breast-feeding, it is essential to educate...
Fine needle aspiration cytology of enlarged lymph nodes in children and adolescents
Seung Min Lee, Yoon Jung Oh, Yong Hoon Jun, Young Jin Hong, Byong Kwan Son, Soon Ki Kim, Jee Young Han, Young Chae Chu
Clin Exp Pediatr. 2006;49(2):167-172.   Published online February 15, 2006
Purpose : Palpable lymph nodes are common in the pediatric population, and most of them are either inflammatory or congenital. As the diagnostic evaluation, fine needle aspiration cytology (FNAC) is known to be more convenient and economical than tissue biopsy. We evaluated the usefulness of FNAC in children and adolescents. Methods : Four hundred and thirteen FNAC samples(M : F=1...
Clinical features of children's brain tumors according to location
Seung Jeong Han, Yun Hee Kim, Young Se Kwon, Yong Hoon Jun, Soon Ki Kim, Byong Kwan Son
Clin Exp Pediatr. 2006;49(1):76-81.   Published online January 15, 2006
Purpose : This study evaluated the clinical characteristics of brain tumors in children according to their location, the parental delay and the doctor's delay between the onset of symptoms and the diagnosis of a pediatric brain tumor. In addition, this study compared the relationship between the pre-diagnostic symptomatic interval and the tumor location. Methods : A retrospective study was undertaken of...
Clinical Characteristics of Neonatal Status Epilepticus
Kyeong Hun Jung, Yun Hee Kim, Young Se Kwon, Yong Hoon Jun, Soon Ki Kim, Byong Kwan Son
Clin Exp Pediatr. 2005;48(12):1342-1347.   Published online December 15, 2005
Purpose : Among perinatal risk factors, neonatal seizures are one of the strongest independent discriminators of adverse outcome, representing high risks of mortality and neurologic morbidity. This study was undertaken to evaluate the neurologic outcome of neonatal status epilepticus according to underlying etiology, seizure pattern, onset time, and duration. Methods : We reviewed retrospectively 36 neonates(19 males, 17 females) with status...
Characteristics of Developmentally Delayed Infants and Young Children Who Demonstrated Normal Myelination by Brain MRI
Young Se Kwon, Yong Hoon Jun, Young Jin Hong, Byong Kwan Son, Kyoung Hee Lee
Clin Exp Pediatr. 2004;47(10):1081-1086.   Published online October 15, 2004
Purpose : To evaluate the clinical characteristics of infants and young children who had developmental delay without delayed myelination and dysmyelination. Methods : We retrospectively reviewed 59 cases of developmental disability between July 1996 and June 2001 at Inha University Hospital. Twenty-eight patients showed normal myelination(Group I), while thirty-one patients showed delayed myelination(Group II) by brain MRI. The following clinical records...
Clinical Lecture
Pathophysiology of Persistent Pulmonary Hypertension of the Newborn
Yong Hoon Jun
Clin Exp Pediatr. 2004;47(7):707-715.   Published online July 15, 2004
Persistent pulmonary hypertension of the newborn(PPHN) is a disorder characterized by persistence of the pattern of fetal circulation after birth due to a sustained elevation of pulmonary vascular resistance. The two primary events in the pathophysiology of neonatal pulmonary hypertension are hypoxic pulmonary vasoconstriction(HPV) and hypoxic pulmonary vascular remodeling(HPR). Chronic hypoxemia may cause increased muscularity of the pulmonary arteries and...
Case Report
A Case of Rhizomelic Chondrodysplasia Punctata Type I
Dal Hyun Kim, Young Se Kwon, Yong Hoon Jun, Young Jin Hong, Byoung Kwan Son, Hye Ran Yoon
Clin Exp Pediatr. 2002;45(12):1585-1590.   Published online December 15, 2002
Rhizomelic chondrodysplasia punctata(RCDP) is a rare autosomal recessive disorder clinically characterized by symmetrical shortening of the proximal limbs, contractures of joints, a typical dysmorphic face, cataracts, and itchyosis. Patients with RCDP can be subdivided into three subgroups based on biochemical analysis and complementation studies. RCDP type I results from mutations in the PEX7 gene encoding the peroxisomal targeting signal type...
Original Article
Complications, Apolipoproteins and Lipoprotein(a) in Severely Obese Children in Incheon, 1996
Yon Ho Choe, Yong Hoon Jun, Soon Ki Kim, Seung Kyu Han, Byong Kwan Son, Jong Weon Choi, Soo Hwan Pai
Clin Exp Pediatr. 1997;40(10):1386-1393.   Published online October 15, 1997
Purpose : This study was designed to evaluate the incidence of complication in severely obese children and to determine whether the difference of Lp(a) between severely obese children and normal control group exists. Methods : Body weight, height and obesity index were measured in 5885(M:F= 3089:2796) elementary school children. Eight eight(M:F=63:25) were selected as severely obese children. Of the 88 children, 74 agreed to venous...
Clinical Study on Chronic Granulomatous Disease (CGD) -Occurrence in Siblings-
Yong Hoon Jun, Sung Won Yang, Dong Wook Kim, Hoan Jong Lee, Joong Gon Kim
Clin Exp Pediatr. 1994;37(6):794-803.   Published online June 15, 1994
To analyse the age of onset, etiologic microorgnisms, clinical manifestations, managements and genetic variation of chronic granulomatous disease, the authors reviewed four patients who were diagnosed as CGD at Department of Pediatrics, Seoul National Univesity Children's Hospital. They were siblings in relationship-two of them were brothers, the others wete brother-sister. The results were as follows; 1) Initial manifestations developed within 1...
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