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The long journey toward improving children’s health: from ‘Korean Journal of Pediatrics’ to ‘Clinical and Experimental Pediatrics
Man Yong Han, Yeong Ho Rha, Chong-Woo Bae, Baik-Lin Eun; Clinical and Experimental Pediatrics Editorial Team
Clin Exp Pediatr. 2020;63(1):1-2.   Published online January 15, 2020
Erratum: Changes in the neonatal and infant mortality rate and the causes of death in Korea
Sung-Hoon Chung, Yong-Sung Choi, Chong-Woo Bae
Clin Exp Pediatr. 2014;57(2):100-100.   Published online February 24, 2014
Original Article
Birth statistics of high birth weight infants (macrosomia) in Korea
Byung-Ho Kang, Joo-Young Moon, Sung-Hoon Chung, Yong-Sung Choi, Kyung-Suk Lee, Ji-Young Chang, Chong-Woo Bae
Clin Exp Pediatr. 2012;55(8):280-285.   Published online August 23, 2012

The authors analyzed the trend from the birth-related statistics of high birth weight infants (HBWIs) over 50 years in Korea from 1960 to 2010.


We used 2 data sources, namely, the hospital units (1960's to 1990's) and Statistics Korea (1993 to 2010). The analyses include the incidence of HBWIs, birth weight distribution, sex ratio, and the relationship of HBWI to maternal...

Review Article
Changes in the neonatal and infant mortality rate and the causes of death in Korea
Sung-Hoon Chung, Yong-Sung Choi, Chong-Woo Bae
Clin Exp Pediatr. 2011;54(11):443-455.   Published online November 30, 2011

Neonatal mortality rate (NMR) or infant mortality rate (IMR) are the rate of deaths per 1,000 live births at which babies of either less than four weeks or of one year of age die, respectively. The NMR and IMR are commonly accepted as a measure of the general health and wellbeing of a population. Korea's NMR and IMR fell significantly...

Original Article
Multiple births conceived by assisted reproductive technology in Korea
Young Sil Park, Sun Hee Choi, Kye Shik Shim, Ji Young Chang, Won Ho Hahn, Yong Sung Choi, Chong-Woo Bae
Clin Exp Pediatr. 2010;53(10):880-885.   Published online October 31, 2010

The recent trends of multiple births (MBs) conceived by assisted reproductive technology (ART) in Korea were analyzed as well as the relationship with maternal age, especially advanced maternal age.


Data were obtained from the Korean Statistical Information Service and annual ART reports from the ART committee of the Korean Society of Obstetrics and Gynecology.


MBs increased from the early 1990s; there was...

A report on operating a nationwide human milk bank in Korea
Kang Hoon Song, Yoo Min Lee, Ji Young Chang, Eun Young Park, Sung Ae Park, Nam Kyu Cho, Chong-Woo Bae
Clin Exp Pediatr. 2010;53(4):488-494.   Published online April 15, 2010
Purpose : A human milk bank collects, processes, eliminates, and stores breast milk from donors and provides breast milk to those in need. The authors hereby present the experiences and the objective lessons obtained through operating a nationwide human milk bank over a period of 2 years. Methods : The characteristics of the donors and the recipients and the amounts of breast milk...
A comparative study of the puberty suppression effect of gonadotropin-releasing hormone agonist in precocious or early puberty girls
Kye-Shik Shim, Chong-Woo Bae, You-Jung Yang
Clin Exp Pediatr. 2008;51(6):634-639.   Published online June 15, 2008
Purpose : There has been considerable disagreement regarding the most appropriate dosage of gonadotropin-releasing hormone agonist in cases of central precocious puberty. The aim of this study was to determine the appropriate dosage for suppression of the puberty in girls with central precocious or early puberty. Methods : Twenty-two girls with early puberty were randomly subjected to 3 types of dosages...
Review Article
Ethical considerations in publication of medical papers
Chong-Woo Bae
Clin Exp Pediatr. 2008;51(5):447-451.   Published online May 15, 2008
It is fair to say that there are many ethical issues concerning the publication of medical papers. To define the best practice in the ethics of scientific publishing and a proper understanding of appropriate reporting in medical papers, this review should be useful for authors dealing with ethical issues which involve the protection of human and animal rights, the protection...
Original Article
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...
Comparison of Clinical Courses According to the Existence of Patent Ductus Arteriosus in Respiratory Distress Syndrome
Ju Hee Seong, Hyeon Joo Lee, Hyun Kee Hong, Chong-Woo Bae, Yong-Mook Choi
Clin Exp Pediatr. 2003;46(11):1080-1084.   Published online November 15, 2003
Purpose : To compare perinatal characteristics, clinical courses, and overall morbidity between respiratory distress syndrome(RDS) with patent ductus arteriosus(PDA) and RDS without PDA in neonates. Methods : Eighty-three neonates who were diagnosed and treated for RDS in the neonatal intensive care unit(NICU) from Jan. 2000 to Dec. 2002 were included in this study. RDS was complicated with PDA(group A) in...
Medical Lecture Course
How to Write a Medical Paper
Chong-Woo Bae
Clin Exp Pediatr. 2003;46(8):742-750.   Published online August 15, 2003
Case Report
A Case of Hemolytic Disease in a Newborn Due to Anti-Jkb
Dong-Kyun Park, Young-Min Kim, Chong-Woo Bae, Yong-Mook Choi, Woo-In Lee
Clin Exp Pediatr. 2003;46(7):718-721.   Published online July 15, 2003
The isoimmune hemolytic disease of newborn due to the incompatibility of minor blood groups is characterized by progressive neonatal hyperbilirubinemia and anemia caused by the IgG antibody transmitted from the mother to the fetus. Recently we had a case of hemolytic disease in a newborn due to anti-Jkb. There were no ABO and Rh(D) incompatibilities between mother and baby. The...
Original Article
Correlation between Chest Radiographic Findings and Respiratory Indices in Neonates with Respiratory Distress Syndrome
Yong-Hwan Chung, Youn-Jin Park, Chong-Woo Bae, Dong-Wook Sung
Clin Exp Pediatr. 2003;46(7):655-660.   Published online July 15, 2003
Purpose : The relationship between chest X-ray findings and respiratory indices, including the arterial-alveolar oxygen partial pressure ratio(a/APO2) and the ventilatory index(VI), indicators of the clinical respiratory status in neonates with respiratory distress syndrome(RDS), was examined in the present study. Methods : The records of 50 neonates, randomly chosen from 174 neonates treated with pulmonary surfactant(PS) in the Neonatal Intensive Care...
Clinical Application of Impedance Audiometry in Children with Acute Otitis Media
Jee Sung Hwang, Sung Do Kim, Young-Ho Rah, Chong-Woo Bae
Clin Exp Pediatr. 2000;43(11):1446-1450.   Published online November 15, 2000
Purpose : Acute otitis media is one of the most prevalent diseases of childhood and can cause serious complications such as hearing loss. The exact diagnosis is extremely important but may be hard to make because of probabilities of over- and underdiagnosis. We performed impedance audiometry(IA) in routine examinations for acute otitis media and applied it for screening and follow-up...
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...
Analysis of Risk Factors of Readmission to Hospital for Pediatric Asthma
Kyung Lim Yoon, Young Ho Rah, Chong-Woo Bae, Sa Jun Chung
Clin Exp Pediatr. 2000;43(4):556-560.   Published online April 15, 2000
Purpose : The admission rates for pediatric asthma are increasing annually and are partially responsible for the increased rates of readmission. Selections of children with a high-risk of readmission and aggressive treatments of them may improve treatment outcome and cost- effectiveness. The purpose of this study is to evaluate the risk factors affecting readmission in cases of bronchial asthma in...
Medical Lecture Course
Neonatal Viability, Morbidity, Mortality and Outcome of Very Low Birth Weight Infant
Chong-Woo Bae
Clin Exp Pediatr. 2000;43(1):1-12.   Published online January 15, 2000
Original Article
Clinicial Observations of Oliguric Acute Renal Failure in Children
Sung-Soo Lee, Young-Mi Choi, Chong-Woo Bae, Sung-Ho Cha, Byoung-Soo Cho
Clin Exp Pediatr. 1999;42(10):1419-1425.   Published online October 15, 1999
Purposes : We studied the clinicial findings of oliguric acute renal failure(ARF) developed on admission or during treatment of other diseases. Methods : We performed a retrospective analysis of medical records of 118 patients with oliguric ARF who had been admitted to Kyunghee University Hospital since January 1988 to December 1997. Diagnostic criteria of oliguric ARF are serum creatinine>1.0mg/dl and urine...
A Comparative Study of Red Blood Cell Indices and Anemia by Feeding Patterns
Pill-Jin Shin, Chong-Woo Bae, Yong-Mook Choi
Clin Exp Pediatr. 1999;42(8):1104-1110.   Published online August 15, 1999
Purpose : Iron-deficiency anemia is the most common nutritional deficiency in young infants. This study was designed to determine feeding patterns in infants, and determine a correlation between feeding patterns and incidence of anemia. Methods : This study was conducted by taking blood tests (hemoglobin, hematocrit, and red cell indices) by venipuncture with the electronic counters from 221 infants aged 9-12...
Neonatal Hemolytic Diseases due to Minor Blood Group Isoimmunization; Analysis of Reported Cases in Korea
Je-Ho Jung, Gyo-Dang Koo, Chong-Woo Bae, Yong-Mook Choi, Hee-Joo Lee
Clin Exp Pediatr. 1999;42(6):844-851.   Published online June 15, 1999
Preparation and in vitro Physical Activities of Crude Natural Surfactant and Artificial Pulmonary Surfactant Containing Synthetic Peptide and Phospholipid Mixtures
Joo Hyun Kang, Song Yub Shin, Cheol-Young Maeng, Kil Lyong Kim, Chong-Woo Bae, Kyung-Soo Hahm
Clin Exp Pediatr. 1998;41(4):472-480.   Published online April 15, 1998
Purpose : In this study, natural pulmonary surfactant was extracted from bovine lung lavage and its surface activity was determined. To investigate the usefulness of synthetic peptides reconstituted with phospholipid as artificial surfactant, truncated peptides from surfactant protein (SP)-B were synthesized and restored the surface tension lowering activities when appropriately recombined with phospholipid. Methods : Crude natural surfactant(CNS) was isolated from lung lavage by centrifugation...
The Treatment of Croup with Nebulized Budesonide and Intramuscular Dexamethasone
Jung Woo Lee, Young Ho Rah, Chong-Woo Bae, Sa Jun Chung, Yong Mook Choi
Clin Exp Pediatr. 1998;41(3):331-337.   Published online March 15, 1998
Purpose : Steroids have anti-inflammatory effects which reduces inflammation and edema of the tissue. Thus, corticosteroids have been used for treatment of croup. The aim this study is to compare and assess the effects of intramuscularly injected dexamethasone and nebulized budesonide in treatment of moderate or severe croup. Methods : Between July 1995 to June 1996, we have assessed 44 inpatients...
Clinical Study and Diagnostic Value of the Lung Perfusion Scan in Foreign Body Aspiration
Gyo-Dang Koo, Young-Ho Rah, Chong-Woo Bae, Sa-Jun Chung, Yong-Mook Choi
Clin Exp Pediatr. 1998;41(1):74-80.   Published online January 15, 1998
Purpose : Early diagnosis of foreign body aspiration and removal of the inhaled material may save the patient from chronic illness and may prevent serious complications. At present the diagnostic problems of bronchial foreign bodies are being solved by using the lung scanning technique. Therefore, we investigated the clinical study and diagnositic value of the lung perfusion scan in foreign body aspiration. Methods : Eighteen...
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...
Sequential Changes of Chest Radiographic Finding after Exogenous Surfactant Replacement Therapy in Neonates with RDS
Hyeok Choi, Chong-Woo Bae, Sa-Jun Chung, Yong-Mook Choi
Clin Exp Pediatr. 1995;38(2):151-158.   Published online February 15, 1995
Purpose : The chest radiograph is useful and reliable in assessing the severity and progres-sion of neonatal respiratory distress syndrome. To evaluate the effect of exogenous surfactant r eplacement therapy, we performed sequential observation of chest radiogratphic findings in ne-onates with respiratory distress syndrome. Methods : Two groups of infant with RDS in mechanical ventilation therapy were studied. S-urfactant(S-Tx) group(n=36) was...
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...
Medical Lecture Course
Surfactant Replacement Terapy in Neonatal RDS: History, Kinds, Result of Clinical Trials, and Prospect
Chong-Woo Bae
Clin Exp Pediatr. 1993;36(4):457-468.   Published online April 15, 1993
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