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Original Article
Clinical features and results of recent neonatal cardiac surgery - A review of 82 cases in one hospital
Ki Won Oh, Jung Ok Kim, Joon Yong Cho, Myung Chul Hyun, Sang Bum Lee
Clin Exp Pediatr. 2007;50(7):665-671.   Published online July 15, 2007
Purpose : The purpose of this study was to investigate the clinical features and outcome in newborns undergoing cardiac surgery. Methods : Eighty two neonates underwent heart surgery for congenital heart defect at Kyungpook National University Hospital between March 2000 and February 2006. Patient characteristics (sex, age, diagnosis), pre-operative conditions, operation type, postoperative complications and mortality were reviewed retrospectively. Results : In...
Case Report
A case of neonatal peroneal neuropathy with intrauterine onset
Sang-Soo Lee, Ji-Yun Sim, Mi-Jung Kim
Clin Exp Pediatr. 2007;50(6):585-587.   Published online June 15, 2007
Peroneal neuropathy presenting at birth is a rare disorder. Although neonatal mononeuropathies may be related to obstetrical complications, prenatal mechanisms should be also considered. We describe an infant who was born at term by cesarean section due to breech presentation with a unilateral footdrop. Lack of compound muscle action potential in the peroneal nerve and denervation potentials confined to the...
Review Article
Calcium and phosphate metabolism and disorders in the newborn
Hae Soon Kim
Clin Exp Pediatr. 2007;50(3):230-235.   Published online March 15, 2007
In the early neonatal period, the neonate is challenged by the loss of the placental calcium transport and manifests a quick transition, from an environment in which PTHrP plays an important role to a PTH- and 1,25-dihydroxyvitamin D-controlled neonatal milieu. Disturbances in mineral homeostasis are common in the neonatal period, especially in premature infants and infants who are hospitalized in...
Original Article
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...
Review Article
Newborn hearing screening
Lee Suk Kim
Clin Exp Pediatr. 2007;50(1):7-13.   Published online January 15, 2007
Hearing loss in newborns is the most frequently occurring birth defect. If hearing impaired children are not identified and managed early, it is difficult for many of them to acquire the fundamental language, social and cognitive skills that provide the foundation for later schooling and success in society. All newborns, both high and low risk, should be screened for hearing...
Original Article
Auditory brainstem response (ABR) results in NICU graduates
Hee-Joung Choi, Tae-ho Lee, Ki-Won Oh, Heng-Mi Kim
Clin Exp Pediatr. 2006;49(12):1301-1307.   Published online December 15, 2006
Purpose : Hearing loss is one of the most common birth defects, and early detection and intervention positively impact language/speech and cognitive development. It has been reported that NICU graduates have a high incidence of hearing loss. So we investigated the incidence, risk factors and clinical outcome of hearing loss in NICU graduates. Methods : This study involved neonatal auditory brainstem...
Review Article
Newborn screening of inherited metabolic disease in Korea
Dong Hwan Lee
Clin Exp Pediatr. 2006;49(11):1125-1139.   Published online November 15, 2006
In 1991, the Ministry of Health & Social affairs adopted a nationwide service program for neonatal screening of phenylketonuria, galactosemia, maple syrup urine disease, homocystinuria, histidinemia & congenital hypothyroidism for newborns delivered from low class pregnant women registered in health centers. Government decreased the test items from six to two, PKU & congenital hypothyroidism to increase test numbers with same...
Original Article
Analysis of cow's milk specific IgE positive patients in newborns
Gil Sang Lee, Nam Kyung Baek, Won Duck Kim
Clin Exp Pediatr. 2006;49(10):1061-1066.   Published online October 15, 2006
Purpose : The purpose of this study was to research whether measurement of cow's milk specific IgE on the newborn would be helpful in the diagnosis of cow's milk allergy. We tried to find out the relation between cow's milk specific IgE and other allergy diseases by following up cases. Methods : We reviewed clinical features of 87 episodes in infants...
Analysis of newborn hearing screening using automated auditory brainstem response
Sung Won Park, Byung Ho Yun, Kyung Ah Kim, Sun Young Ko, Yeon Kyung Lee, Son Moon Shin, Sung Hwa Hong
Clin Exp Pediatr. 2006;49(10):1056-1060.   Published online October 15, 2006
Purpose : As hearing ability affects language and cognitive development, early detection and intervention of congenital hearing defects is very important. We analyzed the result of newborn hearing screening using automated auditory brainstem response and estimated the incidence of congenital hearing defects in newborn infants in Korea. Methods : Hearing screening tests were done on 7,218 newborn infants who were...
Clinical aspects of an outbreak of Serratia marcescens infections in neonates
Min-Jung Sung, Chul-Hun Chang, Yeon-Kyong Yoon, Su-Eun Park
Clin Exp 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...
Risk factors and clinical characteristics of necrotizing enterocolitis in full-term newborns
Young Mi Jeoung, Hyun Gon Je, Sang Hee Son
Clin Exp 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...
Case Report
A case of scalp abscess caused by Achromobacter xylosoxidans after vacuum delivery
Eun-Young Park, Moon-Kyung Kwon, Seon-Jeong Min, Hyung-Sik Hwang
Clin Exp Pediatr. 2006;49(4):451-454.   Published online April 15, 2006
Achromobacter xylosoxidans is an aerobic gram-negative bacillus that may cause opportunistic infections in immunocompromized patients and newborns. Neonatal scalp abscess is generally a complication of fetal scalp monitoring and is typically polymicrobial. We present a case of a newborn, delivered by vacuum extraction, who developed a scalp abscess that yielded growth of Achromobacter xylosoxidans.
Original Article
Pain reduction at venipuncture in newborn infants : oral glucose solution, EMLA cream and pacifiers
Sang Kee Park, Eun Young Kim
Clin Exp Pediatr. 2006;49(4):388-393.   Published online April 15, 2006
Purpose : We compared the pain reducing effect of orally administered glucose solution with EMLA cream and pacifiers during venipuncture in newborn infants. Methods : Fifty newborn infants(30 prematures) were enrolled in this study. We performed these four pain-reducing methods to all infants in serial order. Group A(control) did not receive any treatment; to group B, EMLA cream was applied on...
Case Report
A case of congenital neurocutaneous melanosis
Sang Kyun Ha, Jae Myoung Lee, Eun Ryoung Kim, Ho Hwang, Hong Tak Lee
Clin Exp Pediatr. 2006;49(2):212-216.   Published online February 15, 2006
Neurocutaneous melanosis is a rare congenital syndrome characterized by the presence of large or multiple congenital melanocytic nevi and benign pigment cell tumors of the leptomeninges. Neurocutaneous melanosis is thought to represent an error in the morphogenesis of embryonal neuroectoderm. We experienced a neonate who presented with giant, dark colored pigmented nevi covering chest, abdomen, neck and arms, with satellite...
Original Article
Fas/FasL expression in the hippocampus of neonatal rat brains follwing hypoxic-ischemic injury
Young Pyo Chang, Myeung Ju Kim, Young Il Lee, Ik Je Im, Jae Ju Cho, Jong-Wan Kim, Sung Moon Yeo
Clin Exp Pediatr. 2006;49(2):198-202.   Published online February 15, 2006
Purpose : Fas is a cell surface receptor that transduces apoptotic death signals. Interaction of extracelluar domain of Fas with Fas ligand(FasL) triggers the apoptotic process in many diseases. We investigated the expression of Fas and FasL in the hippocampus of 7-day-old newborn rat brains following hypoxia-ischemia injury. Methods : The 7-days-old newborn rats were exposed to 8 percent oxygen...
Correlations of cord blood Ghrelin and leptin concentrations with anthropometry of appropriate for gestational age newborns
Jin Lee, Se Na Moon, So Hyun Park, Min-Ho Jung, Byung Kyu Suh, Byung Churl Lee
Clin Exp Pediatr. 2006;49(1):93-98.   Published online January 15, 2006
Purpose : Ghrelin stimulates the secretion of growth hormone and other pituitary hormones, and has orexigenic effects. It may have a physiologic role in fetal and neonatal growth. Leptin secreted by the adipocytes reflects fat mass in infants as well as adults. The aim of this study was to evaluate the relation of cord blood ghrelin and leptin levels to...
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...
Etiology, Management, and Prognosis of Severe Hyperbilirubinemia (Serum Bilirubin Level=25 mg/dL) in Newborn
Jong Hee Hwang, Ji Hyun Lee, Yu Jin Kim, Su Hyun Koo, Jang Hun Lee, Chang Won Cho, Yun Sil Chang, Won Soon Park
Clin Exp Pediatr. 2005;48(10):1102-1106.   Published online October 15, 2005
Purpose : The present study examined the etiology, management, and the difference of prognosis according to methodology of treatment in severe hyperbilirubinemia with total serum bilirubin levels of more than 25 mg/dL. Methods : Medical records of severe hyperbilirubiemia in newborns(serum level=25 mg/dL) admitted to the NICU of Samsung Medical Center between October 1994 and June 2004 were reviewed retrospectively. Infants...
Case Report
A Case of Intussusception Caused by Meckel's Diverticulum in a Newborn
Seung Taek Yu, Yeon Kyun Oh, Won Churl Park, Eun A Kim, Chang Woo Lee, Hyang Suk Yoon
Clin Exp Pediatr. 2005;48(8):907-910.   Published online August 15, 2005
Intussusception and Meckel's diverticulum are very rare disorders in intrauterine or neonatal periods, which are causes of intestinal obstruction. We experienced a case of intussusception due to Meckel's diverticulum which caused intestinal obstruction in the neonate who had bilious vomiting a few hours after birth. We report this case with a brief review of the literature.
Medical Lecture Course
Endogenous Neurogenesis in Postnatal Brain
Yun Sil Chang
Clin Exp Pediatr. 2005;48(8):806-812.   Published online August 15, 2005
Repair mechanisms in the postnatal and mature central nervous system(CNS) have long been thought to be very limited. However recent works have shown that the mature CSN contains neural progenitors, precursors, and stem cells that are capable of generating new neurons, astrocytes, and oligodendrocytes especially in germinative areas such as the subventricular zone of the lateral ventricles, the dentate gyrus...
Original Article
Single Cell Dissociation Methods for Flow Cytometric Cell Death Analysis of Hypoxia-Ischemia Injured Newborn Rat Pup Brain
Jong Hee Hwang, Dong Kyung Sung, Chang Won Choi, Saem Kang, Yun Sil Chang, Won Soon Park, Munhyang Lee
Clin Exp Pediatr. 2005;48(5):545-550.   Published online May 15, 2005
Purpose : Newborn brain tissue has to be dissociated into a single cell suspension for flow cytometric analysis of cell death during hypoxia-ischemia. Thus the development of a method to dissociate cells from the brain tissue with least damage and maintenance of membrane and antigen integrity remains the challenge for the in vivo application of this technique. We evaluated the...
Case Report
A Case of Fetal Alcohol Syndrome with Persistent Pulmonary Hypertension of the Newborn
Jin-Ha Chang, Ran Namgung, Min-Soo Park, Kook In Park, Jin-Sung Lee, Chul Lee
Clin Exp Pediatr. 2004;47(11):1220-1224.   Published online November 15, 2004
Fetal alcohol syndrome can be suspected in infants born to mothers with a prenatal history of alcohol abuse if the child exhibits characteristic facial features, together with intrauterine growth retardation, multiple neurological abnormalities, and multiorgan defects. If only a few of the above criteria are satisfied, the term fetal alcohol effects is used. We experienced a neonate who presented with...
Original Article
Possible Neuroprotective Role of Exogenous Growth Hormone on Hypoxic-Ischemic Brain Injury in Neonatal Rats
Young Pyo Chang, Mi Kyung Jung, Youn Hee Jee, Jae Ju Cho, Soon Bum Lee, Woo Sung Park, Jong-Wan Kim, Dong Hoon Shin
Clin Exp Pediatr. 2004;47(11):1210-1215.   Published online November 15, 2004
Purpose : This study was performed to evaluate the possible neuroprotective effect of exogenous growth hormone on hypoxic-ischemic brain injury in neonatal rats. Methods : After ligation of the right common carotid artery, seven-day old Sprague-Dawley rats(n= 75) were exposed to 8% oxygen for two hours. In a growth hormone(GH)-treated group(n=25), each animal was subcutanously injected by GH(50 mg/kg, Grotrpin ,...
Surfactant Therapy for Neonatal Respiratory Distress Syndrome : Experience in Korea Over 15 Years
Chong-Woo Bae, Young-Min Kim
Clin Exp Pediatr. 2004;47(9):940-948.   Published online September 15, 2004
Purpose : Surfactant replacement therapy in neonates with respiratory distress syndrome(RDS) has been used in Korea since 1990. We undertook a collective study of trials from multi-hospitals to evaluate results of neonates with RDS who were treated with surfactant during the past 15 years in Korea(Period I, P-I, 1990-91; Period II, P-II, 1996; Period-III, P-III; 2002). Methods : There were 60...
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...
Original Article
Renal Anomalies in Neonates with Isolated Preauricular Tags
Myung Eun Hong, Seung Taek Yoo, Eun Jung Choi, Chang Woo Lee, Seung Taek Park, Yeon Kyun Oh
Clin Exp Pediatr. 2004;47(5):532-534.   Published online May 15, 2004
Purpose : The aim of this study was to determine the role of renal ultrasonography in neonates with isolated preauricular tags. Methods : We performed a retrospective study of 10,997 newborn infants delivered from January 1995 to June 2003 in Wonkwang University Hospital. Nineteen newborns born with isolated preauricular tags were assessed for renal anomalies by performing renal ultrasonography within one...
Survival Rate in Very Low Birth Weight Infants
Jae Ju Cho, Soon Bum Lee, Woo Sung Park, Young Pyo Chang
Clin Exp Pediatr. 2004;47(5):505-509.   Published online May 15, 2004
Purpose : We observed changes in the outcome of very low birth weight infants(VLBWI) admitted to the neonatal intensive care unit(NICU) of Dankook University Hospital(DKUH) in the last six years. Methods : The distribution of birth weight and gestational age, survival rate, neonatal complications, and causes of death for 228 VLBWI who had been admitted to DKUH from 1st January...
Clinical Characteristics and Epidemiologic Study of Infection Due to Extended Spectrum β-Lactamase Producing Organism in a Neonatal Intensive Care Unit
Nu-Lee Jun, Jae-Woo Im, Hyun-Kyung Park, Mi-Na Kim, Ellen Ai-Rhan Kim, Ki-Soo Kim, Soo-Young Pi
Clin Exp Pediatr. 2004;47(4):373-379.   Published online April 15, 2004
Purpose : The extended-spectrum β-lactamase(ESBL) producing organism have emerged to be an important pathogen in neonatal intensive care unit(NICU). This study was conducted to investigate incidence, characteristics and risk factors associated with ESBL organism among newborns in NICU. Methods : The subjects included 98 newborns admitted to NICU at Asan Medical Center between September 1998 to July 2002, from whom...
Effects of 7-Nitroindazole on Brain Cell Membrane Function and Energy Metabolism during Transient Global Cerebral Hypoxia-Ischemia and Reoxygenation-Reperfusion in Newborn Piglets
Chang Won Choi, Jong Hee Hwang, Yun Sil Chang, Won Soon Park
Clin Exp Pediatr. 2004;47(2):204-209.   Published online February 15, 2004
Purpose : Our study was undertaken to discover whether a selective neuronal nitric oxide synthase inhibitor, 7-nitroindazole, influences brain cell membrane function and energy metabolism during and after transient global hypoxia-ischemia(HI) in newborn piglets. Methods : Cerebral HI was induced by temporary complete occlusion of bilateral common carotid arteries and simultaneous breathing with 8% oxygen for 30 minutes, followed by release...
Umbilical Cord Arterial Concentrations of Isoprostane(8-iso-PGF2α) in Newborn Infants
Kun Song Lee, Yoon Hee Ji, Young Pyo Chang
Clin Exp Pediatr. 2003;46(9):865-870.   Published online September 15, 2003
Purpose : We measured the umbilical cord arterial concentrations of isoprostane(8-iso-PGF2α) and intended to decide whether the umbilical cord arterial concentrations of isoprostane could be used as a useful parameter for lipid peroxidation in newborn infants. Methods : The isoprostane and malondialdehyde(MDA) concentrations of the umbilical cord were measured by enzyme immunoassay and TBARS(thiobarbituric acid reactive substance) assay in 33...