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Review Article
Need for national guidance regarding proactive care of infants born at 22–23 weeks' gestation
Ga Won Jeon
With recent rapid improvements in neonatal intensive care, the limit of viability has shifted downward to 22–23 weeks' gestation. The younger the gestational age of preterm infants, the higher the risk of survival despite severe neurodevelopmental impairments. For infants born at 22–23 weeks' gestation, the limit of viability, neurodevelopmental outcomes, and survival rates may be determined by the quality of...
Advancements in the treatment of pediatric acute leukemia and brain tumor - continuous efforts for 100% cure
Hee Young Ju, Che Ry Hong, Hee Young Shin
Clin Exp Pediatr. 2014;57(10):434-439.   Published online October 31, 2014

Treatment outcomes of pediatric cancers have improved greatly with the development of improved treatment protocols, new drugs, and better supportive measures, resulting in overall survival rates greater than 70%. Survival rates are highest in acute lymphoblastic leukemia, reaching more than 90%, owing to risk-based treatment through multicenter clinical trials and protocols developed to prevent central nervous system relapse and testicular...

Original Article
Changes in the outcomes of neonatal intensive care unit at a single center over 12 years
Hyun-Hee Lee, Tae-Yeon Kim, Seon-Hee Shin, Tae-Jung Sung
Clin Exp Pediatr. 2009;52(8):881-887.   Published online August 15, 2009

Purpose:The survival rate of very low birth weight infant (VLBWI) had increased as a result of advances in neonatal intensive care. We evaluated the changes in outcomes of VLBWI who admitted to the neonatal care unit of Hallym University Kangnam Sacred Heart Hospital. Methods:Retrospective review of 339 VLBWI who were born from 1st January 1997 to 31th December 2008 were performed. Outcomes including survival...
Clinical characteristics and prognostic factors for survival in hemophagocytic lymphohistiocytosis
Khi Joo Kim, Ki Hwan Kim, Taek Jin Lee, Jin-Kyong Chun, Chuhl Joo Lyu, Dong Soo Kim
Clin Exp Pediatr. 2008;51(3):299-306.   Published online March 15, 2008
Purpose : Hemophagocytic lymphohistiocytosis (HLH) is a rare but fatal disorder characterized by fever, splenomegaly, pancytopenia, and hemophagocytosis in the bone marrow and other tissues. In this study, we investigated the clinical manifestations and prognostic factors in patients with HLH. Methods : We retrospectively analyzed the data from 29 patients who were diagnosed whit HLH in the Severance Children's Hospital from...
Review Article
Trends in survival rate for very low birth weight infants and extremely low birth weight infants in Korea, 1967-2007
Ki-Soo Kim, Chung-Woo Bae
Clin Exp Pediatr. 2008;51(3):237-242.   Published online March 15, 2008
To investigate the trends in the survival rate (SR) for very low birth weight infants (VLBW) and extremely low birth weight infants (ELBWI) in Korea, a total of 43 articles pertaining to SR were analyzed, covering the years from 1967 to 2007. The changes in SR were compared using 5 year periods. The SR for VLBWI has increased remarkably, from...
Original Article
Outcome after relapse in childhood and adolescent osteosarcoma : single institution experience in Korea
Yun-Jeong Lee, Hyun-Jae Lee, Dong-Ho Kim, Jung-Sub Lim, Jun-Ha Lee, Kyung-Duk Park, Dae-Geun Jeon, Soo-Yong Lee
Clin Exp Pediatr. 2008;51(1):78-83.   Published online January 15, 2008
Purpose : Osteosarcoma is the most common primary malignant bone tumor in children and adolescents. Although survival rate of osteosarcoma patients has markedly improved, about 20-30% of patients still have a relapse. This study was aimed to find factors that influence postrelapse survival of osteosarcoma in childhood and adolescents. Methods : Between 1985 and 2004, of 461 patients who were diagnosed...
Recent outcome of extremely low birth weight infants - The use of CRIB(clinical risk index for babies) Ⅱ score foranalyzing the survival rate -
Do-Hyeon Kim, So-Yeon Shim, Jae-Ri Kim, Seung-Han Shin, Eun Sun Kim, Kyoung-Eun Joung, Sang Duk Kim, Jin A Lee, Chang Won Choi, Ee-Kyung Kim, Han-Suk Kim, Beyong Il Kim, Jung-Hwan Choi
Clin Exp Pediatr. 2006;49(9):952-958.   Published online September 15, 2006
Purpose : The survival rate of infants weighing less than 1,000 g at birth(extremely low birth weight infants, ELBWI) has increased due to recent advances in perinatal and neonatal intensive care. The purpose of this study was to evaluate the survival rates of ELBWI born at Seoul National University Hospital during the last six years. Methods : A total of...
Outcomes and Management of Fetal Infants with Birth Weight Below 500 g at a Tertiary Center
Yun Sil Chang, Yu Jin Kim, Soo Hyun Koo, Jang Hoon Lee, Jong Hee Hwang, Chang Won Choi, Jae Won Shim, Sung Shin Kim, Sun Young Ko, Eun Kyung Lee, Won Soon Park
Clin Exp Pediatr. 2005;48(9):939-945.   Published online September 15, 2005
Purpose : The purpose of this study was to report outcome of fetal infants with birth weight below 500 g known as lower limit of viability and to evaluate treatment characteristics and short-term morbidity of their survivors. Methods : We retrospectively analyzed the medical records of all fetal infants with birth weight below 500 g who were delivered at Samsung Medical...
Survival Rate in Very Low Birth Weight Infants
Jae Ju Cho, Soon Bum Lee, Woo Sung Park, Young Pyo Chang
Clin Exp Pediatr. 2004;47(5):505-509.   Published online May 15, 2004
Purpose : We observed changes in the outcome of very low birth weight infants(VLBWI) admitted to the neonatal intensive care unit(NICU) of Dankook University Hospital(DKUH) in the last six years. Methods : The distribution of birth weight and gestational age, survival rate, neonatal complications, and causes of death for 228 VLBWI who had been admitted to DKUH from 1st January...
Clinical Experience of 60 Pediatric Renal Transplantations at a Single Center
Sun Youn Lee, Hyewon Han, Young Seo Park, Duck Jong Han
Clin Exp Pediatr. 2004;47(1):55-65.   Published online January 15, 2004
Purpose : Renal transplantation for the management of end-stage renal disease(ESRD) in children is now the optimal treatment. We analyzed the clinical courses and characteristics of pediatric renal transplantation in Asan Medical Center. Methods : We reviewed the charts of 60 cases of renal transplantation under the age of 18, admitted to Asan Medical Center, from Oct. 1990 to May 2003....
Change in the Limit of Viability of Fetal Infants
Chang Won Choi, Jong Hee Hwang, Jae Won Shim, Sung Sin Kim, Sun Young Ko, Eun Kyung Lee, Yun Sil Chang, Won Soon Park
Clin Exp Pediatr. 2003;46(12):1194-1199.   Published online December 15, 2003
Purpose : To determine the change in the limit of viability in fetal infants and the incidence of major complications in neonatal intensive care unit(NICU) at Samsung Medical Center(SMC). Methods : Sevety-three infants weighing less than 800 g at birth and 117 infants born earlier than 27 weeks gestational age, who were admitted to NICU at SMC between November 1994...
Changes in Incidence, Survival Rate and Morbidity of Very Low Birth Weight Infants
Young Ok Kim, Sun Hui Kim, Chang Yee Cho, Young Youn Choi, Jin Hwa Kook, Tae Ju Hwang
Clin Exp Pediatr. 2003;46(8):769-776.   Published online August 15, 2003
Purpose : The survival rate of very low birth weight infants(VLBWI) has improved by virtue of specialized neonatal care. This study was performed to analyze the changes in incidence, survival rate and morbidity of VLBWI who admitted to Chonnam National University Hospital from 1996 to 2001. Methods : We enrolled 565 VLBWI, and compared the incidence and the survival rate according...
Influence of Prognostic Factors on Survival Rate of Medulloblastoma Patient with Chemotherapy
Kyung Mi Shin, Sung Yeon Choi, Sung Chul Won, Chang Hyun Yang, Chuhl Joo Lyu, Chang Ok Suh, Joong Uhn Choi, Byung Soo Kim
Clin Exp Pediatr. 2003;46(2):178-182.   Published online February 15, 2003
Purpose : Brain tumors are the second most common tumor in childhood, and medulloblastomas comprise 15-25% of brain tumors. The well known prognostic factors are age at diagnosis, stage of disease, and extent of surgical excision. In this study, we analysed the prognostic factors in patients who received chemotherapy after excision. Methods : We reviewed the medical records of 61...
Treatment Outcomes in Children with High-Risk Acute Lymphoblastic Leukemia
Kyu Chang Park, Ho Joon Im, Sang Yun Ahn, Hahng Lee
Clin Exp Pediatr. 1999;42(3):383-389.   Published online March 15, 1999
Purpose : The survival rate of those with acute lymphoblastic leukemia(ALL) has been affected by several prognostic factors and previous reports show that a 4-year event-free survival(EFS) for high-risk(HR) group(Age≥10 years and/or WBC≥50,000/mm3 at diagnosis) was approximately 64%. We analyzed treatment outcomes and risk factors in HR-ALL. Methods : Medical records of 27 patients with HR-ALL diagnosed between May, 1985 and...
A Result of Treatment of Malignant Germ Cell Tumors in Childhood
Hyoung Jin Kang, Jun Ah Lee, Hyo Jeong Han, Hyoung Su Choi, Hyeon Jin Park, Ki Woong Sung, Eun Sun Yoo, Hee Young Shin, Hyo Seop Ahn, Kwi Won Park, Byung Keu Cho, Hwang Choi, Chul Woo Kim
Clin Exp Pediatr. 1997;40(12):1707-1718.   Published online December 15, 1997
Purpose : Germ cell tumors have variable clinical characteristics according to the age, sex, primary site, and pathologic diagnosis. To provide the therapeutic principle, the clinical characteristics, response to the treatment, and prognostic factors were analyzed. Methods : Medical records of 57 children who were diagnosed as malignant germ cell tumor in Seoul National University Children' s Hospital from January 1986 till June 1996 were...
Outcome after Treatment of Retinoblastoma
Hyoung Soo Choi, Ki Woong Seong, Jae Kyung Lee, Kyung Ha Yoo, Hee Young Shin, Young Suk Yu, Hyo Seop Ahn
Clin Exp Pediatr. 1997;40(4):519-530.   Published online April 15, 1997
Purpose : Current treatment in retinoblastoma aims to save life and preserve useful vision by using combined modality therapy. This study was performed to determine the outcome after treatment of retinoblastoma. Methods : Medical records of all cases of retinoblastoma seen at Seoul National University Children's Hospital from September 1986 to April 1995 were reviewed. During this period, the treatment method...
Results of Chemotherapy of Hepatoblastoma and Hepatocellular Carcinoma in Children
Kyung Duk Park, Gi Woong Seong, Jae Kyung Lee, Hong Hoe Koo, Hee Young Shin, Hyo Seop Ahn
Clin Exp Pediatr. 1995;38(2):195-206.   Published online February 15, 1995
Purpose : Surgical excision has been the primary treatment for hepatoblastoma and hepatocellular carcinoma. However, at presentation, only one third of such tumors are surgically resectable. Without operation, the disease is fatal. Therefore, neoadjuvant chemotherapy has been introduced for conversion of the unresectable tumors into the resectable ones. We studied th e effects of chemotherapy for hepatic malignancy in children. Methods...
A Clinical Study of Childhood Soft Tissue Sarcoma
Hye Lim Jung, Hong Heo Koo, Hee Young Shin, Hyo Seop Ahn
Clin Exp Pediatr. 1993;36(9):1258-1270.   Published online September 15, 1993
Medicine, Seoul, Korea Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea To study the clinical characteristics and treatment results of childhood soft tissue sarcoma, the retrospective study was performed on 67 patients with soft tissue sarcoma, experienced at the Department of Pediatrics, Seoul National University Hospital from January, 1982 to July, 1990. The...
Mechanical ventilator care in the newborn infants.
Young Pyo Chang, Yong Won Park, Won Soon Park, Jung Hwan Choi, Chong Ku Yun
Clin Exp Pediatr. 1991;34(11):1526-1533.   Published online November 30, 1991
The widespread introduction of mechanically assisted ventilation into the neonatal intensive care during the 1960s substantially improved the outcome of sick newborn infants, particularly those with respiratory disorders. We studied the clinical features of 82 neonates, who were treated with mechanically assisted ventilation in Neonatal Intensive Care Unit (NICU) at Seoul National Univer- sity Children’s Hospital from January 1986 to August 1989 (the second...
A clinical study on histiocytosis X.
Sang Oh Na, Joong Gon Kim, Hyo Seop Ahn
Clin Exp Pediatr. 1989;32(11):1510-1519.   Published online November 30, 1989
We made a clinical study on 31 cases of histiocytosis X who had been admitted to the Dept, of Ped. of S.N.U.C.H. from Jan. 1981 to Dec. 1987. Among 31 cases, 28 patients received chemotherapy to include prednisolone, vinblastine, methotrex- ate and cyclophosphamide as induction therapy, and 6-mercaptopurine, methotrexate and cyclophos- phamide as maintenance therapy. The results obtained were as follows. 1) The sex incidence revealed male...
A Clinical Study of Neuroblastoma.
Jung Sook Hong, Yang Dong Park, Il Whan Kim, Hyun Gi Jung, Jae Sun Park
Clin Exp Pediatr. 1987;30(1):80-88.   Published online January 31, 1987
17 Cases of neuroblastoma diagnosed and treated at the Kosin Medical College from Mar. 1978 toFeb. 1985 were analyzed and the results are as follows: 1) Ages at the time of diagnosis were from 7 months to 9 years. The mean age was 3 10/12 years. 29.4% of the patients were below the age of 2 and 82.3% of the...
Clinical Study of 29 Patient of Wilms Tumor.
Eun Sook Choi, Yang Dong Park, Hyun Gi Jung, Jae Sun Park
Clin Exp Pediatr. 1986;29(8):855-861.   Published online August 31, 1986
29 cases of Wilms tumor treated at the Kosin Medical Center from 1975 to 1984, were analyzed and the results are as follows: 1) The age distribution of Wilms tumor was between 4 months and 13 years. The mean age was 3 years and 9 months. The median age was 24 months. 2) There were 16 cases of left-sided tumor, 12...
Associated Ventilation with Mechanical Aids in Newborn Infants.
Eue Cho Yang, Jung Hwan Choi, Chong Ku Yun
Clin Exp Pediatr. 1985;28(5):435-447.   Published online May 31, 1985
Clinical features of 85 neonates who treated with assisted ventilation in Neonatal Intensive Care Unit at Seoul National University Hospital from April ’80 to Dec. 5 84 were analyzed with special respect to mechanical aids. The results were as follows; 1)According to diagnostic categories, 56 cases (66%) were hyaline membrane disease (HMD), 14 cases (16%) were postasphyxia syndrome (PAS), 9 cases...
Clinical Study of Wilms' Tumor .
Myung Hyun Lee, In Sil Lee, Hyo Seop Ahn, Chang Yee Hong
Clin Exp Pediatr. 1984;27(6):603-609.   Published online June 30, 1984
Thirty-five cases of Wilms tumor treated at the Seoul National University Hospital from 1969 to 1983, were analyzed and the results are as follows: 1)Ages at nephrectomy were from 1 monh. to 11 years and 8 months. The mean, age was 3 years and 4 months and the median was 2 years and 9 months. The sex ratio of male...