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Original Article
The corrected QT (QTc) prolongation in hyperthyroidism and the association of thyroid hormone with the QTc interval
Ye Seung Lee, Joong Wan Choi, Eun Ju Bae, Won Il Park, Hong Jin Lee, Phil Soo Oh
Clin Exp Pediatr. 2015;58(7):263-266.   Published online July 22, 2015

Ventricular repolarization is assessed using the QT interval corrected by the heart rate (QTc) via an electrocardiogram (ECG). Prolonged QTc is associated with an increased risk of arrhythmias and cardiac mortality. As there have been few reports regarding the effects of hyperthyroidism on ventricular repolarization, we studied the association between serum free thyroxine (free T4 [fT4]) and thyroid stimulating hormone...

Case Report
Identification of a novel mutation in a patient with pseudohypoparathyroidism type Ia
Ye Seung Lee, Hui Kwon Kim, Hye Rim Kim, Jong Yoon Lee, Joong Wan Choi, Eun Ju Bae, Phil Soo Oh, Won Il Park, Chang Seok Ki, Hong Jin Lee
Clin Exp Pediatr. 2014;57(5):240-244.   Published online May 31, 2014

Pseudohypoparathyroidism type Ia (PHP Ia) is a disorder characterized by multiform hormonal resistance including parathyroid hormone (PTH) resistance and Albright hereditary osteodystrophy (AHO). It is caused by heterozygous inactivating mutations within the Gs alpha-encoding GNAS exons. A 9-year-old boy presented with clinical and laboratory abnormalities including hypocalcemia, hyperphosphatemia, PTH resistance, multihormone resistance and AHO (round face, short stature, obesity, brachydactyly...

Original Article
Inherited metabolic diseases in the urine organic acid analysis of complex febrile seizure patients
Hee Jeong Cheong, Hye Rim Kim, Seong Soo Lee, Eun Joo Bae, Won Il Park, Hong Jin Lee, Hui Chul Choi
Clin Exp Pediatr. 2009;52(2):199-204.   Published online February 15, 2009
Purpose : Seizure associated with fever may indicate the presence of underlying inherited metabolic diseases. The present study was performed to investigate the presence of underlying metabolic diseases in patients with complex febrile seizures, using analyses of urine organic acids. Method : We retrospectively analyzed and compared the results of urine organic acid analysis with routine laboratory findings in 278...
Reye syndrome after acute enteritis during the neonatal period
Jun Suck Bang, Sang Jung Nam, Kyung Hwa Lee, Eun Joo Bae, Won Il Park, Hyun Sook Lee, Bae Young Son, Hwan Suck Choi, Hong Jin Lee
Clin Exp Pediatr. 2006;49(3):273-277.   Published online March 15, 2006
Purpose : The reinfection rate of H. pylori reported before 13C-urea breath test(13C-UBT) era was higher than that of the post 13C-UBT era. Children are usually reluctant to receive invasive endoscopic evaluation for the reinfection of H. pylori, particularly when they are asymptomatic. The aim of the study is to discover the reinfection rate by different diagnostic tests, and to...
Organic acidemias in Korea - Eight years experience of organic acid analysis -
Jun Suck Bang, Si Hong Lim, Kyung Hwa Lee, Eun Joo Bae, Won Il Park, Hong Jin Lee
Clin Exp Pediatr. 2006;49(3):258-267.   Published online March 15, 2006
Purpose : We have done this retrospective study to know the relative incidence and clinical manifestations of organic acidopathies in Korea during 8 years(from Jul. 1997 to May 2005). This results of organic acid analysis of 1,787 patients were compared with the results of organic acid analysis that were published three years ago. Methods : The results of quantitative organic acid...
Urine Organic Acid Analysis of Patients with Febrile Seizures
Dong Soo Shin, Gun Jun Lee, Kyeung Ja Lee, Won Il Park, Eun Joo Bae, Hong Gin Lee
Clin Exp Pediatr. 2004;47(11):1205-1209.   Published online November 15, 2004
Purpose : Febrile seizure, the most common seizure disorder in children between 6 months and 5 years of age, is mostly caused by viral infections, except severe CNS infection. It can also be caused by disorders in organic acid metabolism, especially accompanied by fever. Therefore we decided to investigate the relationship between children with febrile seizures and disorders in organic...
Quantification of Organic Acids in Amniotic Fluid for Prenatal Diagnosis of Organic Acidemia
Chang Bum Koh, Dong Soo Shin, Eun Joo Bae, Won Il Park, Kyeung Ja Lee, Hong Jin Lee, Young Jo, Seung Won Lee, Ui Sun Noh
Clin Exp Pediatr. 2004;47(10):1047-1052.   Published online October 15, 2004
Purpose : Since 1997, the quantification of organic acids in urine has become possible in Korea. This helped to diagnose a great variety of inborn errors of metabolism. However, we still don't know the normal value of organic acids in amniotic fluid, therefore it is impossible for doctors to make a correct diagnosis of inborn errors of metabolism in prenatal...
Organic Acidemias in Korea - Three Years Experience of Organic Acid Analysis -
You Kyoung Choi, Eung Seok Kim, Eun Joo Bae, Won Il Park, Kyung Ja Lee, Hong Jin Lee
Clin Exp Pediatr. 2002;45(11):1346-1358.   Published online November 15, 2002
Purpose : We have done this retrospective study to know the relative incidences and clinical manifestations of organic acidopathies in Korea. Methods : The results of quantitative organic acid analysis of 1,125 samples of 712 patients, referred from Jul. 1997 to Jun. 2000, were analyzed retrospectively according to four age groups (-2 mon, 3 mon-2 year, 3 years-12 years, over...
Case Report
A Case of Dominantly Inherited β Thalassemia Due to Hb Dieppe
You Kyoung Choi, Hong Jin Lee, Won Il Park, Kyung Ja Lee, Sung Ha Kang, Ji Yeon Kim, Sung Sup Park
Clin Exp Pediatr. 2002;45(5):659-663.   Published online May 15, 2002
β thalassemias are usually transmitted as autosomal recessive traits. However, some dominant forms of β thalassemia have been identified in individuals who have inherited a single copy of an abnormal β globin gene. Thalassemia intermedia with mild anemia, jaundice, and splenomegaly has been observed in these patients. Electrophoresis has shown elevated Hemoglobin(Hb) A2 and Hb F levels. In particular, there...
Original Article
Quantification of Age-related Reference Values for Urinary Organic Acids in the Healthy Korean Population
Yong Jae Choi, In Cheol Kim, You Kyoung Choi, Hong Jin Lee, Bong Sung Kim, Won Il Park, Kyoung Ja Lee, T. Giudic, M. Blaskovics
Clin Exp Pediatr. 2001;44(12):1413-1423.   Published online December 15, 2001
Purpose : For the accurate diagnosis of organic acidopathies, quantification of urinary organic acid should be done and we should know the normal ranges of each organic acid excreted in the urine. The amount of organic acids excreted in the urine shows wide variability according to ethnic group, diet and age. We have quantified 82 organic acids to make a Korean reference value. Methods...
Case Report
A Case of Maple Syrup Urine Disease Controlled by Peritoneal Dialysis and Diet
Ju Wan Kim, June Huh, Won Il Park, Kyung Ja Lee, Hong Jin Lee
Clin Exp Pediatr. 2001;44(1):94-98.   Published online January 15, 2001
Maple syrup urine disease is an autosomal recessive disease caused by a deficiency of the branched-chain α-ketoacid dehydrogenase complex. The disease is often suspected because of the peculiar odor of maple syrup in urine. Maple syrup urine disease is usually confirmed by amino acid analysis and urine organic acid analysis showing marked elevations of leucine, isoleucine, valine, and respective ketoacids in...
Original Article
Age Related Ca, Phosphorus, Uric acid concentration in Serum & Urine and Ca/Cr ratio, Cua/Ccr & TRP
Jah In Kim, Sang Joo Han, Hong Jin Lee, Won Il Park, Kyung Ja Lee
Clin Exp Pediatr. 1996;39(10):1405-1413.   Published online October 15, 1996
Purpose : There are many methods for the evaluation of the renal function. The proximal tubule of the nephrons have a role of reabsorption of the materials such as water, electrolytes, glucose, amino acids, and small molecular weight protein through the glomerular filtration. Therefore if abnormality is in the proximal tubule, these materials can be changed both in serum & urine. It is very...
A Clinical Study of Benign Epilepsy of Childhood with Centrotemporal Spikes
Byung Il Lee, Sang Ju Han, Hong Jin Lee, Won Il Park, Kyung Ja Lee
Clin Exp Pediatr. 1994;37(9):1251-1256.   Published online September 15, 1994
Benign epilepsy of childhood with centrotemporal spikes(BECCT) is an electroclinical syndrome characterized by noctural seizure that remit spontaneouly before adulthood, and belong to idiopathic age and location related epilepsies. We reviewed the medical records to analyse the seizure pattern, and also inspect the EEG recording to identify topography of the epileptiform discharge of 24 patient who met the following criteria: 1)presence...
Clinical Observation of urinary Tract Anomalies
In Hee Jung, Hong Jin Lee, Sang Joo Han, Won Il Park, Kyung Ja Lee
Clin Exp Pediatr. 1994;37(8):1092-1096.   Published online August 15, 1994
Urinary tract anomaly is the most common anomaly in childhood. We reviewed medical records of 45 patients who were confirmed urinary tract anomalies on radiologic studies as Chuncheon Sacred Hospital, from Dec. 1984 to Sep. 1992. We analyzed incidence and clinical characteristics of urinary tract anomalies. The results obtained were as follows: 1) The age distrtibution were: 17 cases (37.8%) under...
Effect of Different Levels of the Dietary Protein on Long Term Prognosis of Experimental Renal Damage
Choon Haeng Lee, Sang Joo Han, Hong Jin Lee, Won Il Park, Kyung Ja Lee, Young Eui Park, Min Chul Lee, Tae Heon Yoon
Clin Exp Pediatr. 1993;36(6):820-829.   Published online June 15, 1993
We examined the effect of various levels of dietary protein on long term prognosis of Adriamycinephropathy of S-D rat, fed with high protein(30%), intermediately low(10%), and strictly low(5%) protein diet for 15 weeks 1) In rats fed with strictly low protein diets(5%), proteinuria and serum creatinine decreased and creatinine clearance and histological changes were relatively well preserved. But hypoproteinmia and weight...
Case Report
A Case of Stein-Leventhal Syndrome with Severe Obesity
Kyeong Sang Kim, In Hee Jung, Hong Jin Lee, Won Il Park, Kyung Ja Lee
Clin Exp Pediatr. 1992;35(8):1164-1168.   Published online August 15, 1992
We experienced a extremely rare case of Stein-Leventhal Syndrome in 7 year-old female patient. Her chief complaints was severe obesity. We performed specific radiologic and hormonal studies. Diagnosis was suspected by pelvic sono and CT. We performed vertical gastroplasty with Taplon bandage for morbid obesity. A brief review of related literature was made.
Original Article
A Case of Lamellar Ichthyosis.
Yeon Seung Lim, Sang Joo Han, Won Il Park, Kyung Ja Lee
Clin Exp Pediatr. 1990;33(7):1018-1023.   Published online July 31, 1990
We observed a case of lamellar ichthyosis who was 4 day-old boy with the chief complaints of poor feeding, exessive lamellated scale covering entire body. Diagnosis of lamellar ichthyosis was estab- lished by clinical features and histopathological study. A brief review of literature was made.
A Case of Congenital Cysitic Adenomatoid Malformation of Lung.
Youe Kawn Kim, Deuk Hwan Jun, Bae Young Kim, Won Il Park, Kyung Ja Lee
Clin Exp Pediatr. 1990;33(2):225-228.   Published online February 28, 1990
Congenital cystic adenomatoid malformation is a rare variant of pulmonary cystic disease char- acterized by a mass of cysts lined by proliferating bronchial or cuboidal epithelium. The onset of symptoms, which are cyanosis, and tachypnea, usually occurs during the first week of life. We have experienced a case of congenital cystic adenomatoid malformation in a 9 month-old female. The diagnosis was mady by chest...
A Case of Rickettsia Typhi.
Deuk Hwan Jun, Sang Joo Han, Bae Young Kim, Won Il Park, Kyung Ja Lee
Clin Exp Pediatr. 1989;32(12):1736-1739.   Published online December 31, 1989
We experienced one case of rickettsia typhi. This 6 years old male was admitted to Sacred Heart Hospital because of fever, Headache and myalgia for 10 days. Physical examination showed him to have injection of throat, dry lips with no skin rash. In the laboratory findings, the CSF showed cell count 22/mm3and suger and protein were with in normal limit. In peripheral blood smear, moderate left...
Clinical study of intussusception in infants and childhood.
Sang Joo Han, Yeon Sung Lim, Bae Young Kim, Won Il Park, Kung Ja Lee
Clin Exp Pediatr. 1989;32(11):1489-1495.   Published online November 30, 1989
Intussusception is an invagination of a segment of the gastrointestinal tract into an adjacent segment. It is the most common cause of acquired intestinal obstruction during infancy and early childhood. We compared the results of treatment with Barium Enema in 33 cases with that of Controlled Air Insufflation in 31 cases from January, 1985 to December, 1987. The results were as follows: 1) In age incidence, 86%...
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