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Volume 49(5); May 2006
Review Articles
Hypernatremia and hyponatremia
Dong Un Kim
Korean J Pediatr. 2006;49(5):463-469.   Published online May 15, 2006
Sodium is the major cation of the extracellular fluid and the primary determinant of extracellular osmolality. Therefore, hypernatremia causes water movement out of cells, while hyponatremia causes water movement into cells, resulting in cellular shrinkage and cellular swelling, respectively. Serious central nervous system symptoms may complicate both conditions. Since hypernatremia and hyponatremia are accompanied by abnormalities in water balance, it...
Hypokalemia and hyperkalemia
In-Seok Lim
Korean J Pediatr. 2006;49(5):470-474.   Published online May 15, 2006
Hypokalemia and hyperkalemia are the most commonly encountered electrolyte abnormalities in hospitalized patients. Because untreated hypokalemia or hyperkalemia is associated with high morbidity and mortality, it is important to recognize and treat them immediately. Hypokalemia and hyperkalemia can result from disruptions in transcellular homeostasis or in the renal regulation of K+ excretion. Although the recognition is simple, appropriate management requires...
Original Articles
Homocysteine, insulin, vitamin B12 and folic acid levels in obese children
Jee Yoon Park, Young Mi Hong
Korean J Pediatr. 2006;49(5):475-481.   Published online May 15, 2006
Purpose : As the prevalence of childhood obesity is increasing, hypertension, hyperlipidemia, insulin resistance and diabetes mellitus have become problems. High homocysteine levels and low vitamin B12 supplementation are acknowledged to have a role in coronary artery disease, but there are few studies on homocysteine, insulin and vitamin B12 levels in obese children. We aimed to study whether homocysteine, insulin,...
Factors which contribute to time of first stool and first urine passage in Newborns
Hye Jin Lee, Hyun Gon Jae, Sang Hee Son
Korean J Pediatr. 2006;49(5):482-488.   Published online May 15, 2006
Purpose : To evaluate the factors which contribute to the time of the first stool and the first urine passage. Methods : We retrospectively reviewed a chart of 1,221 infants ≥34 weeks of gestational age admitted to the normal newborn nursery of Il Sin Christian Hospital, Busan, from November 2004 to April 2005. We compared the time to first stool and...
Risk factors and clinical characteristics of necrotizing enterocolitis in full-term newborns
Young Mi Jeoung, Hyun Gon Je, Sang Hee Son
Korean J Pediatr. 2006;49(5):489-493.   Published online May 15, 2006
Purpose : The purpose of this study was to determine those factors which could contribute to the development of necrotizing enterocolitis(NEC) in fullterm. Methods : We retrospectively reviewed the medical record of 20 full-terms with NEC(≥modified Bell's staging criteria IIa) who were admitted to the Neonatal Intensive Care Unit of Il Sin Christian hospital from January 1998 through July 2005, and...
Outbreak of Acinetobacter septicemia in a neonatal intensive care unit
Myo Jing Kim, Hye Jin Lee, Sang Hee Son, Jae Won Huh
Korean J Pediatr. 2006;49(5):494-499.   Published online May 15, 2006
Purpose : Acinetobacter baumannii is increasingly recognized as an important cause of nosocomial infection, especially in neonatal intensive care units. But little is known about the clinical significance and hospital epidemiology of Acinetobacter species other than A. baumannii. The objective of this study is to describe the clinical characteristics and epidemiology of septicemia due to Acinetobacter species other than A....
Clinical aspects of an outbreak of Serratia marcescens infections in neonates
Min-Jung Sung, Chul-Hun Chang, Yeon-Kyong Yoon, Su-Eun Park
Korean J Pediatr. 2006;49(5):500-506.   Published online May 15, 2006
Purpose : We evaluated an outbreak of Serratia marcescens infections in 24 neonates in a neonatal intensive care unit(NICU). Methods : From January to August, 2004 a nosocomial outbreak of S. marcescens occurred in our NICU. We describe the clinical characteristics of the outbreak and analyse the risk factors for infections with S. marcescens. After the outbreak stopped, 7 isolates...
Neonatal hearing screening in a neonatal intensive care unit using distortion product otoacoustic emissions
Do Young Kim, Sung Shin Kim, Chang Hwi Kim, Shi Chan Kim
Korean J Pediatr. 2006;49(5):507-512.   Published online May 15, 2006
Purpose : Early detection and intervention of hearing impairment is believed to improve speech and language development and behavior of children. The aim of this preliminary study was to determine the prevalence of hearing impairments, and to identify the association of risk factors relating to refer response in high risk neonates who were screened using distortion product otoacoustic emissions (DPOAE). Methods...
Genotype of rotavirus isolated from patients with rotaviral enteritis and neurological complications
Jae Hyung Choi, Jung Mi Kim, Yong Joo Kim, Jae Won Oh, Chang Lyul Kim, Myung Kul Yum, In Joon Sul, Jung Oak Kang
Korean J Pediatr. 2006;49(5):513-518.   Published online May 15, 2006
Purpose : This study was undertaken to determine the differences in genotypes of rotavirus and their incidence between patients with acute rotaviral enteritis who suffered neurologic complications and those who did not suffer neurologic complications. Methods : Among the 82 patients with rotaviral enteritis whose genotype was analyzed, 71 patients were not associated with neurologic complications(neurology(-) group), and eleven patients were...
Jagged1 mutation analysis in Alagille syndrome patients
Jae Sung Ko, Hye Ran Yang, Kyung Mo Kim, Jeong Kee Seo
Korean J Pediatr. 2006;49(5):519-522.   Published online May 15, 2006
Purpose : Alagille syndrome is an autosomal dominant disorder with developmental abnormalities affecting the liver, heart, eyes, vertebrae, and craniofacial region. The Jagged1(JAG1) gene, which encodes a ligand of Notch, has been found mutated in Alagille syndrome. The aim of the study was to investigate the mutation analysis of JAG1 gene in Korean patients with Alagille syndrome. Methods : Genomic DNA...
Relationship between depression and resilience in adolescents with congenital heart disease
Ju Ryoung Moon, Yoen Yi Jung, June Huh, I-Seok Kang, Seung Woo Park, Ji-Hyuk Yang, Tae-Gook Jun, Myung Ja Kim, Heung Jae Lee
Korean J Pediatr. 2006;49(5):523-528.   Published online May 15, 2006
Purpose : The purpose of this study was to investigate the relationship between depression and resilience in adolescents with congenital heart disease(CHD) and to identify the variables associated with depression. Methods : The Resilience Scale(cronbach’s α=0.92), Children's Depression Inventory(cronbach’s α= 0.72) and Maternal Behavior Research Instrument(cronbach’s α=0.88) were applied and analyzed to assess depression and resilience among 231 adolescents after...
Clinical study in children with cerebral palsy associated with or without epilepsy
Yongjoo Ahn, Hyejeon Chung, Suk Youn, Euihyun Cho, Sajun Chung
Korean J Pediatr. 2006;49(5):529-532.   Published online May 15, 2006
Purpose : To study the spectrum of epilepsy in children with cerebral palsy. Methods : A total of 93 consecutive patients with cerebral palsy(CP) were retrospectively suited. Criteria for inclusion were a follow-up period of at least 2 years. The study examined the correlation between the incidence of epilepsy and seizure types in the different forms of CP. Other factors associated...
A study of neuropeptides related to headaches in children with meningeal irritation signs
Bo Gil Seo, Myung Hwan Yoo, Jae Won Shim, Jung Yeon Shim, Hye Lim Jung, Moon Soo Park, Deok-Soo Kim
Korean J Pediatr. 2006;49(5):533-538.   Published online May 15, 2006
Purpose : The headache, one of the symptoms of meningitis, is related to abrupt elevation of intracranial pressure(ICP) or stimulation of intracranial nociceptive structure. However, in cases of mild elevation of ICP or normal findings of cerebrospinal fluid(CSF) analysis, patients sometimes complain of headaches. Therefore, other pathways may contribute to the occurrence of headaches in aseptic meningitis or meningismus. We...
NT-pro BNP : A new diagnostic screening tool for Kawasaki disease
Hyunju Lee, Heejung Kim, Hae Soon Kim, Sejung Sohn
Korean J Pediatr. 2006;49(5):539-544.   Published online May 15, 2006
Purpose : The purpose of this study was to determine whether N-terminal fragment of B-type natriuretic peptide(NT-proBNP) may be used to differentiate acute Kawasaki disease(KD) from other clinically similar diseases. Methods : Using electrochemiluminescence immunoassay, NT-proBNP concentrations were measured in the acute phase within 10 days after the onset of KD(n=58) and in the convalescent phase, 60 to 81 days after...
Polymorphisms of the CTLA-4 promoter(-318) and exon 1(+49) genes with atopic dermatitis in Korean children
Tae Won Song, Hea Sun Yang, Kyung Eun Lee, Kyung Won Kim, Eun Soo Kim, Myung Hyun Sohn, Kyu-Earn Kim, M.D
Korean J Pediatr. 2006;49(5):545-551.   Published online May 15, 2006
Purpose : The gene-encoding cytotoxic T lymphocyte-associated antigen-4(CTLA-4) is one of the candidate genes for conferring susceptibility to atopic dermatitis(AD). The aim of the study was to investigate the association between Korean children with AD and the polymorphisms of CTLA-4 gene promoter(-318) and exon 1(+49). Methods : The CTLA-4 promoter(-318 T/C) and exon 1(+49 A/G) polymorphisms were genotyped via restriction fragment...
Effect of GnRH analogue on predicted adult height in girls with early puberty
Byung-Hoon Ahn, Heon-Seok Han
Korean J Pediatr. 2006;49(5):552-557.   Published online May 15, 2006
Purpose : The recent results observed in precocious puberty and the hope that interrupting puberty might increase adult height have led to an attempt to use GnRH agonist(GnRHa) in children with premature puberty and a poor growth prognosis. We aimed to analyze the growth promoting effect of GnRHa in girls with early puberty and low predicted adult height(PAH). Methods : Thirty...
Effects of electromagnetic stimulation on neurogenesis and neuronal proliferation in rat hippocampal slice culture
Deok-Soo Kim, Eung Sang Choi, Soo Ahn Chae
Korean J Pediatr. 2006;49(5):558-564.   Published online May 15, 2006
Purpose : Transcranial electromagnetic stimulation(TMS) is a noninvasive method which stimulates the central nervous system through pulsed magnetic fields without direct effect on the neurons. Although the neurobiologic mechanisms of magnetic stimulation are unknown, the effects on the brain are variable according to the diverse stimulation protocols. This study aims to observe the effect of the magnetic stimulation with two...
Case Reports
A case of Rothmund-Thomson syndrome
Seung Hyo Kim, Choong Ho Shin, Sei Won Yang
Korean J Pediatr. 2006;49(5):565-569.   Published online May 15, 2006
Rothmund-Thomson syndrome (RTS), is a rare autosomal recessive disorder, characterized by : skin photosensitivity, poikiloderma, sparse hair, sparse eyebrows/lashes, short stature, skeletal abnormalities, cataracts, and an increased risk of malignancy. Skeletal abnormalities include : dysplasia, absent or malformed bones, such as absent radii, osteopenia, and delayed bone formation. RTS is thought to result from chromosomal instability, and children with RTS...
Primary psoas abscess confused with hip pathology
Young Ok Kim, Young Jong Woo
Korean J Pediatr. 2006;49(5):570-573.   Published online May 15, 2006
A healthy, 14-year-old boy presented with right hip pain and consequent fever after falling out of bed while sleeping. The patient could not walk and complained of severe pain with active and passive motion, which consisted mainly in extension and internal rotation of the right hip. Laboratory analysis of the peripheral blood identified leukocytosis and increased levels of acute phase...
A huge trichobezoar in the jejunum
Ho Kyung Lim, Young Ok Kim, Young Jong Woo
Korean J Pediatr. 2006;49(5):574-576.   Published online May 15, 2006
An otherwise healthy, 8-year-old girl presented with vague abdominal pain, vomiting, and a tensely distended abdomen. Abdominal ultrasonography and computed tomography demonstrated a huge amount of jejunal material, about 10 cm long, resulting in near obstruction of the jejunum. The material was removed surgically and a postoperative pathologic report confirmed that it was a trichobezoar. A postoperative consultation with a...
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