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- Original Article
- 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
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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
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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... -
- Erratum
- Auditory Brain Stem Responses and Neurological Disorders in Children
- Chang Il Ahn, Sa Jun Chung
- Clin Exp Pediatr. 1994;37(2):149-156. Published online February 15, 1994
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- Original Article
- Changes in Somatostatin Immunoreactive Neurons in Rat Corebral Cortes after Systemic Kainic acid Administration
- Myung Yeun Lee, Sa Jun Chung, Chang Il Ahn
- Clin Exp Pediatr. 1993;36(9):1279-1290. Published online September 15, 1993
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This study was aimed to clarify the effects of systemic kainic acid(KA) administration(10mg/kg i.p.) on somatostatin containing neurons, and to examine the distribution of somatostain immunoreactive neurons in the cerebral cortex of the rats. Animals were sacrificed at three time points at the two, six, and ten days after the injection of KA. Thirty-six rats were observed by using the free-floating immunohistochemical... -
- Clinical Studies of Henoch-Schölein Purpura Which was Considered as Acute Abdomen
- Seong Young Jeong, Seong Yun Cho, Chio Heong Park, Seong Ho Cha, Byoung Soo Cho, Chang Il Ahn
- Clin Exp Pediatr. 1993;36(8):1124-1132. Published online August 15, 1993
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Henoch-Schölein purpura is a common pediatric disease presenting most frequently with skin, gastrointestinal, joint and renal manifestations. But in cases are infrequently only severe gastointestinal manifestations. It is hard to diagnose promptly and exactly. Clinical manifestations and laboratory findings were observed and analyzed in 20 cases with Henoch-Schölein purpura which were considered as acute abdomen, hospitalized at Kyung Hee university Hospital... -
- Case Report
- A Case of Congenital Goiter with Congenital Hypothyroidism due to Organification Defect
- Ik Hee Lee, Sung Yong Jung, Thi Hyung Park, Sa Jun Chung, Chang Il Ahn
- Clin Exp Pediatr. 1993;36(7):1002-1008. Published online July 15, 1993
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We experienced a case of congenital goiter with congenital hypothyroidism in 45 dayold male, who complained of respiratory difficulty and anterior neck mass. After admission, he was diagnosed congenital hypothyroidism by the clinical manifestations and laboratory tests including biochemistry, radioimmunoassay, radioisotope study, perchlorate discharge test, and bone radiography. We obtained positive finding at the perchlorate discharge test and found that his... -
- Original Article
- Atypical Presentation of Acute Glomerulonephritis
- Hyun Ho Shin, Thy Hyung Park, Sung Ho Cha, Byoung Soo Cho, Chang Il Ahn, Young Tae Ko, Moon Ho Yang
- Clin Exp Pediatr. 1993;36(7):987-993. Published online July 15, 1993
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Form March 1982 to December 1991, 110 cases of typical post-streptococcal glomerulonephritis and 25 cases of Atypical acute glomerulonephritis were clinically investigated at Department of pediatrics, Kyung Hee University Hospital, and follwing Data were obtained. 1) Male to Femal ratio was 1.8:1 (Atypical AGN). Peak incidence was from 7 to 12 years. 2) The most common preceding infections were upper respiratory infection,... -
- A Clinical Study on Patients with Porencephaly
- Sung Yoon Cho, Jai Yoon Kim, Kwang Sun Han, Sa Jun Chung, Chang Il Ahn
- Clin Exp Pediatr. 1993;36(7):975-981. Published online July 15, 1993
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Porencephaly is relatively rare condition defined by a defect or cavity in the cerebrum owing to a developmental malformation or to a destructive lesion. Forty-five porencephaly patients diagnosed by Brain CT were clinically analyzed and the following results were obtained. 1) By the age group presenting initial symptoms, the peak incidence was from 1 month to below 3 years old. 2) In initial... -
- Clinical Study and Availability of Ultrasonography in Hemorrhagic Cystitis
- Jin Park, Chi Hyung Park, Chong Woo Bae, Sung Ho Cha, Byoung Soo Cho, Chang Il Ahn, Young Tae Ko, Sun Wha Lee
- Clin Exp Pediatr. 1992;35(12):1722-1727. Published online December 15, 1992
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Acute hemorrhagic cystitis characterized by gross hematuria and symptoms of bladder irritation occurs in children as a self-limited disease that must be differentiated from serious renal disease. We analyzed 22 cases of hemorrhagic cystitis which were managed in the Dept. of pediatrics, Kyung Hee university hospital and present the availability of bladder sonography for diagnosis of hemorrhagic cystitis and for follow-up. The... -
- Hypercalciuria Associated with Nephropathy (diagnosis by renal biopsy)
- Hyun Ho Shin, Jae Yoon Kim, Chong Woo Bae, Sung Ho Cho, Byoung Soo Cho, Chang Il Ahn, Young Tae Ko, Moon Ho Yang
- Clin Exp Pediatr. 1992;35(11):1509-1513. Published online November 15, 1992
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Idiopathic hypercalciuria is defined as excessive urinary excretion of calcium in normocalcemia without any primary cause. We performed the sono-guided percutaneous renal biopsy for patients of recurrent hematuria, persistent microscopic hematuria, proteinuria and RBC cast to evaluate underlying nephropathy. We could obtained the following results 1) The age at the renal biopsy ranged from 3 years to 14 years. Sex ratio is 1.9:1... -
- Case Report
- A Case of Seronegative Enthesopathy and Arthropathy Syndrome (SEA Syndrome)
- Il Su Kim, Jae Yoon Kim, Byung Su Cho, Sung Ho Cha, Chang Il Ahn
- Clin Exp Pediatr. 1992;35(10):1459-1462. Published online October 15, 1992
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Seronegative enthesopathy and arthropathy (SEA) syndrome is characterized by male predominance, late age onset, positive family histories of arthritis, oligoarthropathy, axial skeleton involvement, the presence of the B27 histocompatiboility antigen. It has been reported by Rosenberg and Petty in 1982. Early recognition of this syndrome destined to develop seronegative spondyiarthropathy is necessary to prevent axial spine dysfunction and defomity and... -
- Original Article
- A case of lipodystrophia centrifugalis abdominalis infantilis.
- Kyu Young Lee, Sung Ho Cha, Byoung Soo Cho, Chang Il Ahn, Woo Young Sim, Choong Rim Haw, Moon Ho Yang
- Clin Exp Pediatr. 1991;34(10):1452-1457. Published online October 31, 1991
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We report a case of lipodystrophia centrifugalis abdominalis infantilis in 24 month male. At age 18 months, his mother noticed a fairly well-defined depression of skin in the both inguinal and axillary area, which gradually spread centrifugally to the lower portion of abdomen and total inguinal and axillary region. The laboratory findings were unremarkable. Biopsy showed absense of subcutaneous fat in the affected area. -
- A case of nephrogenic diabetes insipidus due to vesicoureteral reflux.
- Yong Bae Suh, Jong Yul Jeon, Sung Ho Cha, Byoung Soo Cho, Chang Il Ahn
- Clin Exp Pediatr. 1991;34(9):1299-1304. Published online September 30, 1991
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Nephrogenic diabetes insipidus is a disorder characterized by polydipsia and polyuria resulting from failure of the renal tubules and collecting ducts to respond to antidiuretic hormone despite elevated blood levels of antidiuretic hormone. We experienced a case of nephrogenic diabetes insipidus in 13 months-old girl probably secondary to vesicoureteral reflux grade IV. The clinical manifestations were extreme thirst, polydipsia and polyuria. Family history was nonspecific and... -
- Surfactant replacement therapy in neonatal respiratory distress syndrome.
- Chan Ok Park, Boung Yul Lim, Byeong Gie Yeo, Ji Ho Song, Eun Kyung Sohn, Chong Woo Bae, Sa Jun Chung, Chang Il Ahn
- Clin Exp Pediatr. 1991;34(9):1211-1222. Published online September 30, 1991
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Respiratory distress syndrome (RDS) in tiny infants remains a major medical challenge as they are less tolerant of supportive care. In 1959, after identification of the pulmonary surfactant (S), S replacement therapy were used to treat RDS. This idea was first successfully tested on RDS infants by Fujiwara, et. al” in 1980. Now the trial and use of S for the treatment in RDS... -
- Experimental study on the effect of phenobarbital on Na+, K+-activated adenosine triphosphatase in microsome fractions of mouse brain.
- Seo Kyu Kim, Sa Jun Chung, Chang Il Ahn
- Clin Exp Pediatr. 1991;34(7):959-970. Published online July 31, 1991
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Na+, K+-activated adenosine triphosphatase (Na+, K+-ATPase) is known to play a role as a trigger in neurotransmitter release and may also affect the transport of calcium ion (Ca++). By doing so, Na+, K+-ATPase, as an anticonvulsant, can modify the excitability level of cells in epilepsy. In order to elucidate the possible mechanisms of neuropharmacological interaction between Na+, K+.ATPase and phenobarbital, serial experimental studies were... -
- A study for mass screening of galactosemia using galactitol level by spot urine method among Korean infants.
- Jin Tae Kim, Chong Won Bae, Sa Jun Chung, Chang Il Ahn, Suyama I , Isshiki G
- Clin Exp Pediatr. 1991;34(7):949-958. Published online July 31, 1991
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For mass screening of the galactosemia, we used spot urine method using filter paper which was newly developed by Department of Pediatrics, Kyung Hee University Hospital and Department of Pediatrics, Osaka City University in Japan. We used control groups as followed, 7 of normal adults,- one patient of I, II, III types of galactosemia, respectively. The experimental groups were 62 infants of 0 to... -
- Re-evaluation of the indication for renal biopsy in childhood nephrotic syndrome.
- Eun Kyoung Sohn, Byung Soo Cho, Chang Il Ahn
- Clin Exp Pediatr. 1991;34(6):805-811. Published online June 30, 1991
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Renal biopsy is indicated in nephrotic syndrome when histopathologic types other than minimal change pattern or the secondary nephrotic syndrome are suspected. But renal biopsy in children has some limitation because of the technical problem. In order to assess the clinicopathologic correlation and to re-evaluate the biopsy indication, the clinical manifestations and histopathologic types were analyzed statisically on the 86 cases of childhood nephrotic syndrome... -
- Diagnosis and hydrostatic saline reduction of intussusception under ultrasonographic guidance.
- Jong Yul Jeon, Jae Yun Kim, Chong Woo Bae, Sung Ho Cha, Chang Il Ahn, Sun Wha Lee, Jae Hoon Lim
- Clin Exp Pediatr. 1991;34(6):771-778. Published online June 30, 1991
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Recently, a new technique of reduction for intussusception using saline solution and ultrasonogram instead of barium enema is being used in several centers. In order to evaluate its efficacy, we have conducted the clinical observation in 40 patients with intussusception who were treated by hydrostatic saline reduction under the ultrasonographic guidance in Kyung-Hee University Hospital from June 1989 to July 1990. We have observed... -
- Clinical analysis and prognostic factors in Henoch-Schonlein purpura .
- Ha Young Lee, Chong Sung Chung, Kyu Chul Choeh, Byoung Soo Cho, Young Mook Choi, Chang Il Ahn
- Clin Exp Pediatr. 1991;34(5):682-690. Published online May 31, 1991
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This study was undertaken to evaluate the prognostic factors of recurrence and renal involvement in Henoch-Sch公nlein purpura. Total 110 cases of anaphylactoid purpura below 15 years of age who admitted to Pediatric Departmen of Kyung Hee University for 8 years from January 1st 1979 to December 31st 1986 were analyzed clinically and statistically. The results were obtained as follows. 1) The peak incidence of age was 4... -
- Accuracy of anorectal manometry in the diagnosis of congenital megacolon.
- Jong Yul Jeon, Byeong Gie Yeo, Chong Woo Bae, Yong Mook Choi, Chang Il Ahn, Young Woon Chang
- Clin Exp Pediatr. 1991;34(5):614-620. Published online May 31, 1991
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Thirty-seven patients with clinical impression of congenital megacolon were studied with anorectal manometry for the evaluation of its diagnostic accuracy. Including 12 neonates, their age ranged form 3 days to 8 years and barium enema was performed to all of them except one. The results of rectosphincteric reflex (RSR) of anorectal manometry was compared with the final diagnosis, which was obtained by clinical course,... -
- Bone mineral density of normal Korean children.
- Kyu Young Lee, Byoung Yul Lim, Sung Ho Cha, Byoung Soo Cho, Chang Il Ahn, Young Seol Kim
- Clin Exp Pediatr. 1991;34(5):605-613. Published online May 31, 1991
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The diagnosis of renal osteodystrophy and osteoporosis is established by clinical manifestations, biochemical laboratory tests, X-ray and bone scan but early diagnosis, determination of treatment of various metabolic bone diseases are not satisfied with any above methods. Dual energy X-ray absorptiometry (DEXA) has been shown to be a reliable, reproducible, and noninvasive way to assess bone mineral status. We evaluated the bone mineral density... -
- A case of thrombasthenia.
- Yong Bae Suh, Eun Kyoung Sohn, Yong Mook Choi, Chang Il Ahn
- Clin Exp Pediatr. 1991;34(2):287-291. Published online February 28, 1991
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Glanzmann’s thrombasthenia is a congenital disorder of platelet function with missing or abnormal platelet plasma membrane glycoprotein Ilb/IIIa which function as receptors for fibrinogen and other high-molecular-weight adhesive proteins which are important for platelet aggregation. We have experienced a case of thrombasthenia in a 12 month old male whose chief complaints were easy bruising and frequent epistaxis. The beeding time was prolonged in the... -
- A clinical study on the idiopathic respiratory distress syndrome of the newborn: comparison of radiographic and clinical findings.
- Byoung Yul Lim, Chong Woo Bae, Yong Mook Choi, Chang Il Ahn, Sun Wha Lee
- Clin Exp Pediatr. 1991;34(1):16-23. Published online January 31, 1991
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Idiopathic respiratory distress syndrome (IRDS) of the newborn remains an important and signifi- cant cause of morbidity and mortality despite of improvement in neonatal care. The clinical and radiologic features observed are the results of surfactant deficiency combined with a highly compliant chest wall. We have been applied the clinical and radiologic features in the diagnosis of IRDS. In 1974, Bomsel et al reported the... -
- A Case of Lissencephaly with West Syndrome.
- Byoung Yul Lim, Ji Ho Song, Sa Jun Chung, Chang Il Ahn
- Clin Exp Pediatr. 1990;33(10):1413-1417. Published online October 31, 1990
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Neuronal migrational disorders of the brain represent abnormalities in the formation of the neocortex caused by faulty migration of the subependimal neuroblasts. Lissencephaly is a rare congenital anomaly representing an arrest of brain development before the third or fourth month of gestaional age. The most common clinical findings were seizure, delayed development, failure to thrive and hydrocephalus. The authors experienced a case of lissencephaly with... -
- Changes in Auditory Brainstem Reponses (ABR) in Severe Hyperbilirubinemic Neonates with Transient Bilirubin Encephalopathy.
- Chong Woo Bae, Sa Jun Chung, Chang Il Ahn
- Clin Exp Pediatr. 1990;33(9):1216-1222. Published online September 30, 1990
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Many authors have reported alterations in the ABR in severe hyperbilirubinemia and ABR is an effective non-invasive method of assessing the functional status of the auditory nerve and brainstem sensory pathway in the management of neonatal hyperbilirubinemia. Perlman et al reported that jaundice in the early neonatal period is associated with significant transient aberration of ABR, suggestive of a transient bilirubin encephalopathy (TBE). And... -
- A Case of (21q 21q) Translocation Down Syndrome Inherited from a t(21q 21q) Balanced Carrier Mother.
- Byeong Gie Yeo, Chong Woo Bae, Yong Mook Choi, Chang Il Ahn, Bo Hoon Oh
- Clin Exp Pediatr. 1990;33(7):1004-1008. Published online July 31, 1990
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Vast majority of t(21q 21q) Down syndrome occur de novo and familial cases are extremely rare. In familial translocation Down syndrome, One of the parent show 45 chromosomes. In general, the carrier parent carrying (21q 21q) translocation is phenotypically normal because significant amount of genetic material has not been lost in the translocation process. Homologous Robertsonian translocation can be produced either by abnormal gametogenesis... -
- A Comparative Study of Therapeutic Effect of Intravenous Gammaglobulin plus Aspirin Versus Aspirin Alone in Kawasaki Syndrome.
- Boung Yul Leem, Chong Sung Chung, Sung Ho Cha, Yong Mook Choi, Chang Il Ahn
- Clin Exp Pediatr. 1989;32(10):1408-1415. Published online October 31, 1989
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We compared the efficacy of intravenous gamma globulin plus aspirin with that of aspirin alone in reducing the frequency of coronary artery abnormahties and changes of clinical coures in children with acute kawasaki syndrome in the children of 44 cases who were admitted in K.H.U.H from Mar. 1986 to Fab. 1988. Group A: High dose aspirin (60〜90 mg/kg/D) during febrile stage and then switched... -
- Change of Auditory Brainstem Response(ABR) on Neonatal Asphyxia.
- Jeong Sam Jeon, Chong Woo Bae, Sa Jun Chung, Chang Il Ahn
- Clin Exp Pediatr. 1989;32(10):1391-1396. Published online October 31, 1989
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Neonatal asphyxia is insult to the newborn due to lack of oxygen or perfusion to various organs. It is associated with tissue hypoxia, especially brain. So hypoxic-ischemic brain injury is the most important complication known as hypoxic-ischemic encephalopathy. The EEG as well as various evoked potentials (auditory, visual and somatosensory) may assist in evaluating the severity of the damage. This study was undertaken to... -
- Comparison Study of Initial and Recurrent Intussuception in Children.
- Eun Kyoung Sohn, Byoung Soo Cho, Sung Ho Cha, Chang Il Ahn, Soo Myung Oh
- Clin Exp Pediatr. 1989;32(10):1353-1359. Published online October 31, 1989
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We performed statistcial evaluation on initial intussusception, 426 cases,and recurrent intussuscep- tion, 40 cases (28 children), recurred more than one time among 426 cases of initial intussusception which were managed in the depratment of pediatrics and the department of pediatric surgery at Kyung Hee University Hospital from Jan. 1983 to Dec. 1987. The results were as follows: 1) The peak incidence was found in less than... -
- The Effect of Oxytocin in Induced Labour on Neonatal Jaundice.
- Seung Koog Kim, Chong Woo Bae, Young Mook Choi, Chang Il Ahn
- Clin Exp Pediatr. 1989;32(10):1337-1344. Published online October 31, 1989
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This study was undertaken to evaluate the relationship between oxytocin which was administered to pregnant women during delivery or pregnancy and hyperbilirubinemia of newborn. Among new- borns who were delivered in KHUH from Feb. 1987 to Sep. 1987 and showed hyperbilirubinemia whithin 1 week after birth without definite etiologies of hyperbilirubinemia of newborn, 30 newborns delivered by induced labour and 30 newborns delivered by... -
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8.02023CiteScore94nd percentilePowered by
