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Original Article
Color Doppler Echocardiographic Evaluation of Residual Ductal Flow After Surgical Ligation
I Seok Kang, Hyun Kwack, Chung Il Noh, Jung Yun Choi, Yong Soo Yun
Clin Exp Pediatr. 1992;35(5):602-606.   Published online May 15, 1992
We evaluated the incidence of residual ductal flow with color Doppler echocardiography and associated clinical findings in 63 patients who had undergone surgical ligation for isolated PDA, The interval between surgery and color Doppler echocardiographic evaluation ranged from 2 days to6.6 years(mean 7 months). In 40 patients, color Doppler echocardiographic studies were done within 1month after surgery. In 8 of...
The Clinical Observation in Kawasaki Disease
Young Jin Jang, Joong Gon Kim, Yong Soo Yun
Clin Exp Pediatr. 1992;35(3):330-341.   Published online March 15, 1992
The one-hundred thirty five cases with Kawasaki disease who wre diagnosed and treated at the department of pediatrics, Seoul National University Children뭩 Hospital from September 1984 to December 1990, were investigated for clinical pattrns and laboratory correlations. The results were as follows; 1) Most patients (86%) were under 4 years of the age. 2) boys wee more prevalent than girls, as a ratio...
Clinical observation on tuberous sclerosis.
Yong Seung Hwang, Yong Soo Yun
Clin Exp Pediatr. 1991;34(7):992-998.   Published online July 31, 1991
Thirty one cases of tuberous sclerosis were seen at the Dept, of Pediatrics, Seoul National University Children’s Hospital. Thirteen cases (41.9%) were diagnosed before 1 year of age and the sex ratio was 2.9:1 with male prefonderance The clinical epileptic manifestations were seen in 28 patients (90.3%), of whom generalized tonic clonic seizures were associated in 12 cases (42.8%) and infantile spasm in 9 cases...
A case of the lupus syndrome induced by hydralazine.
Beom Soo Park, Joong Gon Kim, Yong Soo Yun
Clin Exp Pediatr. 1991;34(5):736-739.   Published online May 31, 1991
A reversible syndrome resembling systemic lupus erythematosus is induced by hydralazine which has been used in treatment of hypertension or congestive heart failure. The incidence of the lupus syndrome induced by hydralazine was estimated at 6.8% in adults (Cameron, 1984) but there was few reports in children. A 9 year old girl had arthralgia, fever, splenomegaly, pleurisy and oral ulcer after 62 months of hydralazine...
Effect of immune globulin on the prevention of coronary artery aneurysm in Kawasaki disease.
Mi Jin Jung, Chung Il Noh, Jung Yun Choi, Yong Soo Yun
Clin Exp Pediatr. 1991;34(5):668-676.   Published online May 31, 1991
We compared the efficacy of each modality of treatment group in reducing the frequency of coronary artery aneurysm in children with Kawasaki syndrome. Group 1 (26 cases)-aspirin alone: Group 2 (26 cases)-intravenous gamma globulin, 400 mg per kilogram of body weight per day for five consecutive days, plus aspirin; Group 3 (21 cases)-intravenous gamma globulin, single dose of 2.0 g per kilogram of body...
Clinical analysis on fetal and neonatal arrhythmia.
Young Ah Lee, Chung Il Noh, Jung Hwan Choi, Jung Yun Choi, Yong Soo Yun, Chong Ku Yun
Clin Exp Pediatr. 1991;34(4):507-514.   Published online April 30, 1991
저자들은 최근 5년 8개월 동안 서울대학교병원 소아과에서 경험한 태아 및 신생아기의 심부정맥 24 례에 대하여, 이들의 심전도, 심초음파도, 24시간 심전도 소견 및 임상 기록을 통하여，부정맥의 유 형과 여러 연관 요소에 대한 임상적 분석을 시행하였다. 발견된 부정맥은 심실조기수축 7례, 심방조 기수축 5례，상실성 빈맥 7례，동성서맥 2례, 심방조동 1례, 지속적인 1도 방실 블록 1례, 심실 빈맥 1례였다. 심장 이상은 10례（2 ASD : 4례, PDA : 1례，ASD+VSD :...
Cardiac Tumor in Children.
Eun Jung Bae, Young Hwue Kim, Jung Yun Choi, Yong Seung Hwang, Hyo Seop Ahn, Yong Soo Yun
Clin Exp Pediatr. 1990;33(11):1540-1547.   Published online November 30, 1990
Primary cardiac tumor is very rare and has been a medical curiosity but is potentially curable by current management with improvements of the imaging apparatus and the surgical technique. Metastatic cardiac tumor is also very rare and is more difficult to diagnose than primary ones because of lack of specific symptoms. Twelve cases of cardiac tumor, collected from 1978 to 1989 at the Department...
The Anatomy of Pulmonary Artery Determined by Angiography in Ventricular Septal Defect and Pulmonary Atresia.
Jung Yun Choi, Young Hwue Kim, Yong Soo Yun
Clin Exp Pediatr. 1989;32(12):1678-1685.   Published online December 31, 1989
Thirty seven cases of ventricular septal defect and pulmonary atresia in normally connected heart, diagnosed at Seoul National University Children’s Hospital from October 1987 to May 1989 were studied to determine the source of pulmonary blood flow, pulmonary artery anatomy and their sequential changes. Also was studied the relationship between major aortopulmonary collateral artery (MAPCA) and intra parenchymal pulmonary arteries and central pulmonary artery...
The Collaborative Clinical Analysis of 985 Cases of Rheumatic Fever and Rheumatic Carditis in Children for 10 Years(1978~1987) in Korea.
Sung Ho Cha, Sang Young Jeong, Du Bong Lee, Kyong Su Lee, Sang Bum Lee, Tae Chan Kwon, Young Chang Tockgo, Chang Sung Sohn, Keun Chan Sohn, Young Jin Hong, Chan Young Kim, Chang Yee Hong, Yong Soo Yun, Jung Yun Choi, Chang Hwi Kim, Chul Ho Kim, Tae Ju Hwang, Jae Suk Ma, Chan Uhul Joo, Kyoo Hwan Rhee, Hahng Lee
Clin Exp Pediatr. 1989;32(12):1621-1631.   Published online December 31, 1989
Acute rheumatic fever and rheumatic carditis were still important disease of the acquired heart disease in children and adults, in spite of improving socioeconomic status in Korea. Recently, many outbreaks of acute rheumatic fever have been reported in the papers from developed countries. We should be aware of such outbreaks of acute rheumatic fever and should pay attention to their treatment of the patients...
Analysis of Asymptomatic Proteinuria in School Children.
Chong Guk Lee, Tae Sub Shim, Dong Hwan Lee, Yong Soo Yun, Chang Jun Ko, Sa Jun Chung, Hyun Soon Lee, Sung Jae Suh, Pyung Nam Kim
Clin Exp Pediatr. 1989;32(9):1187-1194.   Published online September 30, 1989
Uriary mass screening program for the detection of proteinuria had been performed for a school- age population in the city of Seoul since 1981. Annually, about half million students, who comprised 3 different age group, corresponding to the averages of 11，14, and 17 years, had been examined. A systematic clinical evaluation was designed for students with proteinuria identified in the mass screening through ’87...
Clinical Study on Asplenia and Polysplenia Syndrome.
Jung Yun Choi, Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1989;32(5):653-658.   Published online May 31, 1989
The clinical characteristics of sixteen cases of asplenia and four cases of polysplenia were studied at Seoul National University Hospital from October 1986 to February 1988. Cardiac anomalies were confirmed by echocardiography and cardiac catherization. Splenic status was confirmed by abdominal aortography in most cases. Mean age of asplenia was 1 year 10 months and that of polysplenia was 8 years 6 months. Male-Female...
A Clinical Observation on Infective Endocarditis in Childhood.
Kyung Ae Yoon, Hoan Jong Lee, Young Yull Koh, Jung Yun Choi, Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1989;32(1):11-19.   Published online January 31, 1989
Fifty.Six cases with infective endocarditis who were admitted to Department of Pediatrics, Seoul National University Hospital from January 1979 to December 1986 were reviewed. All the cases were confirmed bγ clinical findings, blood culture and echocardiographic findings. The incidence of infective endocarditis was 0.25/ 1,000 admissions. Male to female ratio was 1.2:1. All the cases had heart defect that was congenital heart disease in...
Plasma Renin Activity (PRA) in Peripheral Vein and Renal Veins in Normotensive Children with Cyanotic Congenital Heart Disease.
Sang Kyu Park, Hae Il Cheong, Chung Il Noh, Yong Soo Yun, Yong Choi, Kwang Wook Ko
Clin Exp Pediatr. 1988;31(8):1021-1027.   Published online August 31, 1988
PRA’s in peripheral vein, both renal veins, and inferior vena cava (IVC) were measured in 25 normotensive children without renal disease undergoing cardiac catheterization for their underlying cyanotic congenital heart disease. And we presented the results as reference values/ranges of PRA in children. 1) There was no significant difference in PRA between both side renal veins at any absolute PRA levels with a mean ratio (RT/LT)...
Study on Diagnostic Methods for Spleen in Complex Heart Disease.
Jung Yun Choi, Yong Soo Yun, Chung Il Noh, Chang Yee Hong, Kyung Mo Yeon, In One Kim
Clin Exp Pediatr. 1988;31(7):833-840.   Published online July 31, 1988
Thirty one cases of congenital heart disease with suspicious splenic anomaly were prospectively studied at Seoul National University Children’s Hopsital from October, 1986 to February, 1988 in order to determine the sensitivity and the specificity of various non-invasive diagnostic methods for splenic status. In most cases, splenic status was confirmed by abdominal aortography. Each case had chest X-ray, abdominal X-ray, bronchus tomography, electrocardiogram, echocardiography,...
Percutaneous Balloon Angioplasty in Patients with Congenital Aortic Valvular Stenosis.
Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1988;31(7):817-821.   Published online July 31, 1988
Aortic valve stenosis was relieved by balloon dilatation during cardiac catheterization on 9 children aged 1 month to 15 years. Aortic valve diameter was estimated by two dimensional echocardiography to assist in the choice of balloon size. Before dilatation the transaortic systolic pressure gradients ranged from 60 mmHg to 177 mmHg, (mean: 91 ±38 mmHg). There were signifeant reduction in the transaortic systolic pressure...
Arrhythmia in Children with Congenital Corrected Transposition of the Great Arteries.
Yong Soo Yun, Chung Il Noh
Clin Exp Pediatr. 1988;31(5):584-589.   Published online May 31, 1988
We studied the incidence of the arrhythmia in 10 children with congenitally corrected transposition of the great arteries diagnosed during the period from May 1986 to July 1987. Patient age ranged from 1 to 15 years. On the 12 leads surface electrocardiogram, there were complete atrioventricular block in one child and wide P wave in two. On the 24-hour electrocar- diogram, there were sinus...
Percutaneous Balloon Angioplasty in Children with Pulmonary Valvular Stenosis.
Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1987;30(12):1355-1362.   Published online December 31, 1987
Pulmonary valve stenosis was relieved by balloon dilatation during cardiac catheterization on 58 children aged 8 months to 15 years, mean 6.2 years. Pulmonary valve diameter was estimated by two-dimensional echocardiogrphy to assist in the choice of balloon size. Before dilatation the transpulmonary systolic pressure gradients ranged from 15 mmHg to 250 mmHg. There were significant reduction in the transpulmonary systolic pressure gradients immediately after...
Clinical Study on the Hypoplastic Right Heart Syndrome.
Sejung Sohn, Soon Ung Kang, Chung Il Noh, Jung Yun Choi, Yong Soo Yun, Chang Yee Hong, Dug Ha Kim, Jong Lin Rhi
Clin Exp Pediatr. 1987;30(3):281-290.   Published online March 31, 1987
A clinical observation was made on 12 cases of the hypoplastic right heart syndrome who were admitted to the department of Pediatrics, Seoul National University Hospital from January 1978 to May 1986. The -results were as follows; 1) The ratio of female to male was 1:1 and, according to the anatomic classification by Khoury, 6 cases were in type 1, 4 cases in type II...
Clinical Observation of Truncus Arteriosus.
Sang Kyu Park, Young Soo Kim, Sejung Sohn, Chung Il Noh, Jung Yun Choi, Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1987;30(1):45-54.   Published online January 31, 1987
This is the report on 10 cases of truncus arteriosus, experienced at the Seoul National University Hospital, during past 7 years from Jan. 1979 to Dec. 1985. The results of observations were as follows; 1) There were 6 males and 4 females, and according to Collett and Edwards’ classification, 5 cases were in type 1, 4 case were in type II and 1 case...
Clinical Evaluation of Congenital Heart Disease in Down Syndrome.
Sang Kyu Park, Young Hoon Kim, Son Moon Shin, Chung Il Noh, Jung Yun Choi, Yong Soo Yun, Cang Yee Hong, Kyoo Wan Choi, Shin Yong Moon
Clin Exp Pediatr. 1986;29(10):1095-1103.   Published online October 31, 1986
The association of congenital heart disease in patients with Down syndrome has been recognized for nearly 100 years. A wide variety of congenital heart diseases have been identified in these patients. This is the report of clinical evaluation of 105 patients with congenital heart disease in Down syndrome, experienced at the Seoul National University Hospital, during past 6 years from Jan. 1980...
Clinical Studies on Ventricular Septal Defect with Septal Aneurysm.
Jae Kon Ko, Jung Yun Choi, Yong Soo Yun, Chang Yee Hong, Kyung Mo Yeon
Clin Exp Pediatr. 1986;29(5):504-509.   Published online May 31, 1986
Ninety-nine cases of ventricular septal defect with septal aneurysm which were confirmed by angiocardiography and 2-D echocardiography during the period of 2 years from 1983 to 1984 at SNUH were studied and analyzed. The summary of the findings are as follows: 1) Septal aneurysm was found in 99(26.9%) of 368 cases of total VSD and in 38.2% among membranous VSD....
Recent Advances in Pediatric Cardiology.
Yong Soo Yun
Clin Exp Pediatr. 1986;29(5):487-492.   Published online May 31, 1986
Clinical Studies on Congenitally Corrected Transposition of the Great Arteries.
Byong Kwan Son, Chung Il Noh, Jung Yun Choi, Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1986;29(3):287-295.   Published online March 31, 1986
The clinical studies were performed on 29 congenitally corrected transposition of£the great arteries (C-TGA) confirmed by cardiac catheterization and angiocardiography at the Department of Pediatrics, Seoul National University Hospital, from Oct. 1957 to Dec. 1984. The results are as follows; 1) There were 29 cases of C-TGA, representing 0.7% of a total of 4,096 CHD patients. The male： female ratio was 3.1 :...
Cardiac Malposition.
Sejung Sohn, Jung Yun Choi, Yong Soo Yun, Chang Yee Hong, Je G Chi
Clin Exp Pediatr. 1986;29(2):186-202.   Published online February 28, 1986
Cardiac malposition refers to any position of the heart other than a left-sided heart in a situs solitus individual. Authors analyzed the clinical, radiological, operative and autopsy findings of 69 patients with cardiac malpositions by segmental approach to describe the internal cardiac anatomy and their arterial connections. 1) Male to female sex ratio was 1.23 : 1 and 68% of cases were under...
Prognosis of Complete Transposition on the great Arteries.
Jung Yun Choi, Soon Ung Kang, Son Moon Shin, Chung il Noh, Yong Soo Yun, Chang Yes Hong, Joon Ryan Rho, Chong Whan Kim, Kyung Phill Suh
Clin Exp Pediatr. 1985;28(12):1177-1183.   Published online December 31, 1985
Sixty five cases of complete transposition of the great arteries were diagnosed at Seoul National University Hospital from August 1980 to August 1984. Among them, 44 cases visited our hospital before 1 year of age and 21 cases after 1 year of age. Sex ratio was 3.3 : 1. Type III (with ventricular septal defect) was more prevalent in our...
Comparative Study on Quantitation of Left to Right Shunts in Ventricular Septal Defect Using Oximetry and Radionuclide Method.
Chang Yee Hong, Jung Yun Choi, Se Won Park, Yong Soo Yun, Chang Soon Koh
Clin Exp Pediatr. 1985;28(4):340-344.   Published online April 30, 1985
In 80 children with isolated ventricular septal defect, quantitation of left to right shunts was performed using oximetry and rdionuclide angiocardiography(RNA). The radionuclide angiocardiograms were acquired and analized by a gamma camera interfaced to a digital computer system. Pulmonary to systemic f!ow(Qp/Qs) ratios were calculated by analysis of pulmonary time-activity histograms using a gamma variate model. A comparison of the...
Heart Disease Screening for Primary School Children.
Chang Yee Hong, In Sil Lee, Hee Ju Kim, Jung Hwan Choi, Hae Il Cheong, Jung Yun Choi, Yong Soo Yun
Clin Exp Pediatr. 1985;28(3):258-262.   Published online March 31, 1985
A heart disease screening program was performed on 15,685 primary school children in Seoul City from the first to sixth grade to estimate the prevalence of heart diseases. Among the 15,685 children examined, 45 were confirmed to have heart disease (2.9/1,000) Out of the 45 children, 38 had congenital heart disease(2.4/1,000) and 7 had rheumatic heart disease(0.4/1,000) and the ratio...
Case Report
Two Cases of Anomalous Origin of the Right Pulmonary artery from the Ascending Aorta.
Kyu Gap Hwang, Gu Soo Kim, Jung Yun Choi, Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1984;27(5):501-505.   Published online May 31, 1984
Anomalous origin of one pulmonary artery from the ascending aorta is a rare congenital malformation. It happens as the result of abnormal development of the 6th aortic arch. Anomalous origin of right pulmnary artery is more frequent than left. It is frequently associated with P.D.A., V.S.D. and T.O.F. In this malformation, congestive heart failure develops in early life and once the...
Three Cases of Idiopathic Hypertrophic Subaortic Stenosis.
Sei Weon Yang, Dong Gyoon Kim, Jong Jin Seo, Jung Yun Choi, Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1984;27(5):493-500.   Published online May 31, 1984
Idiopathic Hypertrophic Subaortic Stenosis is a primary disease of cardiac muscle that is probably congenital, is often genetically transmitted, and is characterized by asymmetric septal hypertrophy, systolic anterior motion of anterior mitral valve and disorganization of cardiac muscle cells. The authors experienced 3 cases of Idiopathic Hypertrophic Subaortic Stenosis which were confirmed by echocardiography, cardiac catheterization and angiocardiography. The literatures...
A Case Report of Double Outlet Right Ventricle(S.D.L.) with Subpulmonic Ventricular Septal Defect and Pulmonary Stenosis.
Jae Sun Jung, Sun Ok Park, Jung Yun Choi, Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1984;27(4):407-412.   Published online April 30, 1984
Among the double outlet right ventricle, S.D.L. type with subpulmonic ventricular septal defect is extremely rare. We experienced 10 year old girl who had S.D.L. type of double outlet right ventricle with subpulmonic mitral valvular insufficiency and LV-RA canal. The literature were reviewed.
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