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Case Report
Transient carnitine transport defect with cholestatic jaundice: report of one case in a premature baby
Hyun-Seok Cho, Young Kwang Choo, Hong Jin Lee, Hyeon-Soo Lee
Clin Exp Pediatr. 2012;55(2):58-62.   Published online February 14, 2012

Carnitine (β-hydroxy-γ-trimethylaminobutyric acid) is involved in the transport of long-chain fatty acids into the mitochondrial matrix and the removal of potentially toxic acylcarnitine esters. Transient carnitine transport defect is a rare condition in newborns reported in 1/90,000 live births. In this paper, we describe a case of transient carnitine transport defect found in a premature baby who had prolonged cholestatic...

Original Article
Comparison of the accuracy of neutrophil CD64 and C-reactive protein as a single test for the early detection of neonatal sepsis
Young Kwang Choo, Hyun-Seok Cho, In Bum Seo, Hyeon-Soo Lee
Clin Exp Pediatr. 2012;55(1):11-17.   Published online January 31, 2012

Early identification of neonatal sepsis is a global issue because of limitations in diagnostic procedures. The objective of this study was to compare the diagnostic accuracy of neutrophil CD64 and C-reactive protein (CRP) as a single test for the early detection of neonatal sepsis.


A prospective study enrolled newborns with documented sepsis (n=11), clinical sepsis (n=12) and control newborns (n=14). CRP,...

Case Report
6p23 Deletion Syndrome : Report of a Case in a Preterm Baby
Hyeon-Soo Lee
Clin Exp Pediatr. 2003;46(1):83-85.   Published online January 15, 2003
Deletion of the short arm of chromosome 6 is relatively rare, with the characteristic features of craniofacial malformations, hypotonia, and defects of the heart and kidney, with hydrocephalus and eye abnormalities. Here author reports a premature girl with bilateral anophthalmia, bilateral hydrocephalus and marked hypotonia, whose chromosome analysis revealed a 46, XX, del(6)(p23) chromosome constitution.
A Case of Neonatal Alloimmune Thrombocytopenia Related to HLA Antibody
Mi Seon Lee, Hyeon-Soo Lee, Hyun Ok Kim
Clin Exp Pediatr. 2001;44(12):1454-1458.   Published online December 15, 2001
Neonatal alloimmune thrombocytopenia(NAIT) is a very rare disease caused by maternal alloantibodies` response to neonatal platelet antigens. Because the most common cause of NAIT is incompatibility for platelet-specific antigens, NAIT cases due to anti-HLA antibodies are very exceptional. The patient was a second born female. She had no petechia or purpura at birth. But her platelet count was 55,000/mm3 and...
Original Article
Short-term Effects of Inhaled Corticosteroid Following Early Systemic Corticosteroid Administration in Premature Babies with Respiratory Distress Syndrome : A Preliminary Report
Hyeon-Soo Lee
Clin Exp Pediatr. 2000;43(11):1440-1445.   Published online November 15, 2000
Purpose : To asses the short-term effects of the topical corticosteroid, budesonide administered by metered dose inhaler(MDI) and spacer(Aerochamber MV 15) following systemic corticosteroid in premature babies with respiratory distress syndrome at birth. Methods : 19 premature babies <1800gm were randomly assigned to receive steroids(n=9) or not (n=10). The steroid group(n=9, GA[gestational age]=29.6¡¾2.9 weeks, BW[birth weight]=1.29¡¾0.35kg) received systemic dexamethasone for 48...
Inhalation of Bronchodilator Aerosol by Metered-dose Inhaler and Spacer in Neonatal Respiratory Distress Syndrome
Hyeon-Soo Lee
Clin Exp Pediatr. 1999;42(12):1668-1675.   Published online December 15, 1999
Purpose : To examine the clinical effects of two bronchodilator agents, salbutamol and ipratropium bromide, administered by metered-dose inhaler(MDIS) to preterm infants with respiratory distress syndrome(RDS) during mechanical ventilation. Methods : This study included 8 ventilated preterm infants with RDS, at a postnatal age of 1 week. The effects of single doses of salbutamol(2puffs, 200mcg) and ipratropium bromide(2 puffs, 36mcg) and...
Pulmonary Inflammatory Cells in Preterm Infants with Respiratory Distress Syndrome Followed by Surfactant Treatment
Hyeon-Soo Lee, Myung-Seo Kang
Clin Exp Pediatr. 1999;42(5):644-649.   Published online May 15, 1999
Purpose : The effect of surfactant treatment on inflammatory cell populations has not been determined. I evaluated the effect of surfactant treatment on a number and distribution of inflammatory cells in bronchoalveolar lavage fluid(BALF) from the preterm infants who were dependent on mechanical ventilation over the 1st week of life. Methods : This study included 8 preterm infants with respiratory distress...
Clinical Effect of Bronchoalveolar Lavage in Ventilated Preterm Infants
Hyeon-Soo Lee
Clin Exp Pediatr. 1998;41(10):1329-1333.   Published online October 15, 1998
Purpose : Bronchoalveolar lavage(BAL) in ventilated neonates is a modification of routine endotracheal suction and is a potentially useful technique in studying the evolution and resolution of pulmonary inflammation. Therefore, this study is designed to investigate the effects of BAL on blood gases, blood pressure and heart rate in ventilated newborn infants with respiratory disease. Methods : Fourteen premature infants were...
Effects of Early Dexamethasone Therapy in Neonatal Respiratory Distress Syndrome
Hyeon-Soo Lee
Clin Exp Pediatr. 1998;41(1):19-25.   Published online January 15, 1998
Purpose : To examine the clinical effects of early dexamethasone treatment from postnatal age of 1 week to ventilated preterm infants with respiratory distress syndrome. Methods : 14 one-week-old ventilator-dependent infants were enrolled. Seven received dexamethasone and another 7 did not receive. The doses of dexamethasone used were 0.25mg/kg twice daily for 3 days, 0.125mg/kg twice for 1 day, then 0.125mg/kg...
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