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Case Report
Partial trisomy of chromosome 18q11.2-q12: A case report
Ah Ra Cho, Hye Ryoun Kim, Mi Kyung Lee, Sin Weon Yun, Jung Ju Lee
Clin Exp Pediatr. 2009;52(10):1171-1174.   Published online October 15, 2009
Edwards syndrome, also called trisomy 18, is one of the most common autosomal anomalies. The survival rate of patients with Edwards syndrome is very low and its characteristic findings include cardiac malformations, mental retardation, growth retardation, specific craniofacial anomalies, clenched hands, rocker-bottom feet, and omphalocele. Compared with the classic Edwards syndrome, the symptom of partial duplication of chromosome 18 is...
Original Article
Plasma L-Arginine Concentration, Oxygenation Index and Pulmonary Artery Pressure in Premature Infants with Respiratory Distress Syndrome
Kyong Ah Jeong, Soon Ju Lee, In Kyung Sung, Chung Sik Chun
Clin Exp Pediatr. 2003;46(12):1207-1211.   Published online December 15, 2003
Purpose : This study was performed to observe the relationship of plasma L-arginine level and the severity of disease and pulmonary artery pressure in respiratory distress syndrome of premature infants. Methods : Peripheral blood samples were obtained at 1st, 3rd and 7th day from 21 premature infants with respiratory distress syndrome to analyze the L-arginine concentration. Oxygenation index (OI), an indicator...
Allele Distribution and Frequency of Human Surfactant Protein-A2 in Korean Neonates
Nyeon Cheon Kim, Hee Chul Yoon, Jung Su Suk, Jung Ho Ko, Ook Joon Yoo, In Kyu Lee, Myung Ho Oh, Chong Woo Bae
Clin Exp Pediatr. 2003;46(4):340-344.   Published online April 15, 2003
Purpose : We evaluated allele frequencies and distribution of surfactant protein A2(SP-A2) in Korean neonates in order to estimate the prevalence of RDS, to find out new SP-A alleles, and to establish new steroid therapy. Methods : Genomic DNA was extracted from 71 neonates and served as a template in PCR for genotype analysis. SP-A gene-specific amplications and gene-specific allele determinations...
Differential Response of Surfactant Protein-A Genetic Variants to Dexamethasone Treatment
Eul Soon Kim, In Kyu Lee, Myung Ho Oh, Chong Woo Bae
Clin Exp Pediatr. 2003;46(4):335-339.   Published online April 15, 2003
Purpose : Surfactant protein A(SP-A) is involved in surfactant physiology and structure, and plays a major role in innate host defense and inflammatory processes in the lung. Steroid therapy is widely used for mothers who threaten to deliver prematurely and also used commonly in the management of preterm infants with chronic lung disease. Two SP-A genes(SP-A1, SP-A2) and several alleles...
Allele Distribution and Frequency of Human Surfactant Protein-A1 in Korean Neonates
Kyung Shin Lee, Young Hee Kim, Jung Su Suk, Jung Ho Ko, Ook Joon Yoo, In Kyu Lee, Myung Ho Oh, Chong Woo Bae
Clin Exp Pediatr. 2002;45(12):1497-1502.   Published online December 15, 2002
Purpose : We evaluated allele frequencies and distribution of surfactant protein A1(SP-A1) in Korean neonates in order to estimate prevalence of RDS to find out new SP-A alleles, and to establish new steroid therapy. Methods : Genomic DNA was extracted from 100 neonates and served as a template in PCR for genotype analysis. SP-A gene-specific amplications and gene-specific allele determinations were...
A Study of Surface Physical Properties of New Surfactant Using Synthetic Peptides of Surfactant Protein-B
Chong-Woo Bae, Yong-Mook Choi, Joo Hyun Kang, Sang-Chul Lee, Kil Lyong Kim, Kyung-Soo Hahm
Clin Exp Pediatr. 2000;43(8):1059-1067.   Published online August 15, 2000
Purpose : To produce a new generation of artificial pulmonary surfactant(PS), surfactant protein (SP)-B from human PSwas isolated, and the amino acid sequences of these proteins were studied. Artificial peptides of human SP-B were synthesized. New artificial PS preparations which were composed of phospholopids and two artificial synthetic SP-B peptides were made, and the surface physical properties of these new PS preparations were tested. Methods...
Comparison of Preventive Effect of RDS and Neonatal Morbidity between Antenatal Dexamethasone versus Ambroxol Administration
Eun Jeong, Kim, Seong Sook Jeon, Son Sang Seo
Clin Exp Pediatr. 2000;43(1):13-22.   Published online January 15, 2000
Purpose : Antenatal dexamethasone administration is associated with a significant lowering respiratory distress syndrome(RDS) incidence, but can increase neonatal infection. Ambroxol has been accepted as an alternative treatment to dexamethasone and is of at least equal efficacy but without adverse reaction. The aim of this study was to evaluate the effectiveness of ambroxol versus dexamethasone in RDS incidence and neonatal...
Surfactant Protein SP-A, B, and C: Purification and Biochemical Characterization
Chong-Woo Bae, Yong-Mook Choi, Joo Hyun Kang, Kil Lyong Kim, Kyung Soo Hahn
Clin Exp Pediatr. 1996;39(2):218-229.   Published online February 15, 1996
Purpose : Several kinds of exogenous pulmonary surfactants (SF), either synthetic or animalderived, are being used for the replacement therapy in respiratory distress syndrome (RDS) of newborn, especially in premature infants, and improved the neonatal mortality and morbidity. Because synthetic preparations are lack of surfactant protein (SP) and animal-derived preparations cause immunogenecity of heterogenous SP, there have been great necessity for the development of next...
Diagnostic Value of Stable Microbubble Rating Test and Shake Test for the Early Detection of Respiratory Distress Syndrome in Prematurity
Sung Eun Lee, Sang Lak Lee, Chin Moo Kang
Clin Exp Pediatr. 1994;37(11):1500-1507.   Published online November 15, 1994
Respiratory distress syndrome (RDS) of newborn is a disease revealed high morbidity and mortality rate, especially in premature infant. To evaluate the predictive value of Stable Microbubble Rating (SMR) and Shake test on RDS in premature infant, the anthors carried out the gastric aspirates Shake test and SMR test at birth, 3 and 6 hours after birth respectively on 124 premature...
Incidence and Perinatal Risk Factors of Respiratory Distress Syndrome of Newborn
Yun Sil Chang, Beyong Il Kim, Jung-Hwan Choi, Chong Ku Yun
Clin Exp Pediatr. 1994;37(8):1065-1077.   Published online August 15, 1994
Over a continuous 4-year period, from January 1989 till December 1992, 7,100 infants were born in Department of Obstetrics and admitted to Nursery or Neonatal Intensive Care Unit of Department of Pediatrics of Seoul National University Children's Hospital. Among them, 126 cases were diagnosed as respiratory distress syndrome (RDS) of newborn. The total incidence of RDS among all the newborns(inborn)was 1.77%....
A Study of Relation between Stable Microbubble Rating and Pulmonary Surfactant Concentration in vitro
Seong Yong Jung, Thi Hyung Park, Chong Woo Bae, Chang Il Ahn
Clin Exp Pediatr. 1994;37(8):1048-1054.   Published online August 15, 1994
Respiratory distress syndrome (RDS) of preterm infants remains a significant cause of morbidity and mortality despite improvements in neonatal intensive care and artificial ventilatory techniques. After identification of the deficiency of pulmonary surfactant is major pathophysiologic basis in RDS, artificial surfactant replacement therapy in RDS was first successfully tested by Fujiwara and co-workers in 1980. Therefore, exogenous surfactant replacement produced exellent...
Improvement of Thoracic Pressure-Volume, Complincace and Histological Characteristics in Premature Newborn Rabbit after Treatment of Bovine Purified Natural Surfactant-Phospholipid
Chong-Woo Bae, Chang Il Ahn, Haruo Maeta, Tetsuro Fujiwara
Clin Exp Pediatr. 1994;37(2):157-166.   Published online February 15, 1994
We had previously reported the purification of bovine lung natural surfactant-phospholoipd (PNS-L) and the assessment of it's surface physical properties in vitro. To observe the clinical effectiveness of PNS-L in vivo, the degree of improvement of thoracic pressure-volume, compliance and histological changes following PNS-L instillation in premature rabbits with respiratory distress syndrome (RDS) were investigated. Rabbits, delivered prematurely by cesarean section...
Diagnostic Accuracy of Stable Microbubble Rating Test for the Early Detection of Neonatal Respiratory Distress Syndrome
Jung-Sam Jun, Chy-Hyung Park, Jong-Woo Bae, Chang-Il Ahn
Clin Exp Pediatr. 1992;35(10):1361-1368.   Published online October 15, 1992
Respiratory distress syndrome(RDS) of preterm infants remains a significant cause of morbidity and mortality despite improvements in neonatal intensive care and artificial ventiratory techniques. After identification of the deficiency of pulmonary surfactant is major pathophysiologic basis in RDS, artificial surfactant replacement therapy in RDS was first successfully tested on RDS infants by Fujiwara and co-workers in 1980. Therefore, exogenous surfactant replacement...
The relationship between diuresis and pulmonary function in respira- tory distress syndrome of the newborn.
Eun Ae Park, Yung Sook Ko, Gyoung Hee Kim
Clin Exp Pediatr. 1991;34(8):1086-1092.   Published online August 31, 1991
The purpose of this study was to determine the relationship between improvement of pulmonary, function and diuresis in respiratory distress syndrome. This study was based on 24 cases of RDS infants admitted in NICU of Ewha Womans University from January 1988 to December 1990. The results were as follows. 1) Mean birth weight of study cases was 2.11 kg with gestational age between 29〜39 weeks. 2) Maximum...
A clinical study on influences of premature rupture of membranes in the newborn infant.
Ji Sun Cho, Young Sun Ko, Soon Ok Byun, Ji Sub Oh
Clin Exp Pediatr. 1991;34(2):180-189.   Published online February 28, 1991
A clinical study was made on 607 newborns of mothers with premature rupture of membrane (PROM group) and 5,775 newborns of mothers without ruptured membrane Baptist Hospital from January 1987 to December 1989. The results are summarized as follows: 1) The overall incidence of PROM was 9.5% with little yearly variations. 2) 11.9% of all babies with PROM were bom prematurely, significantly higher than the incidence of control...
Influences of Premature Rupture of Membranes on the Newborn Infant.
Kyoung Sim Kim, Young Ok Park, In Sung Lee, Ki Bok Kim
Clin Exp Pediatr. 1989;32(2):149-157.   Published online February 28, 1989
A comparative study on the frequencies of premature birth, neonatal sepsis, asphyxia, perinatal death and respiratory distress syndrome was carried out between 1309 newborns with premature rupture of membranes (PROM) and the normal group of 4636 newborns without PROM among all 5945 babies delivered at Kwangju Christian Hospital for the 2-year period starting from March 1985. The results are sumrnarized as follows: 1) The overall...
A Clinical Study on Morbidity and Mortality in Newborns of Mothers wieh Premature Rupture of Membrane.
Myung Shik Lee, Dong Gwan Han
Clin Exp Pediatr. 1984;27(11):1045-1054.   Published online November 30, 1984
A clinical study was made on 997 newborns of mothers with premature rupture of membrane (study group) and 5,552 newborns of mothers without ruptured membrane (control group) at YUMC from January 1981 to December 1983. The following results were obtained: 1) The incidence of the study group was 15.2% and morbidity incidences were 5.4% due to sepsis, 9.5% due to asphyxia and...
Normal ECG Standard for Children in Korea: 1st report : in neonatal period.
H Lee, G J Choi, Y H Song, M H Chung, D W Lee, S Y Chang
Clin Exp Pediatr. 1982;25(8):759-768.   Published online August 31, 1982
Normal ECG standards of 700 healthy neonates, who were born at Hanyang University Hospital from August 1981 to April 1982, were determined, by authors, according to the following items : Heart rate, Frontal plane QRS axis angle, PR interva. QRS duration, QT interval, P wave duration, P wave amplitude, S wave amplitude, Ventricular activation time(VAT), and QRS transitional zone in...
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