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Ja Hoon Koo 29 Articles
Original Article
Altered secretion of arginine vasopressin in children with CNS diseases.
Kun Whe Kim, Eun Sook Kim, Cheol Woo Ko, Ja Hoon Koo, Doo Hong Ahn, Won Jung Lee
Clin Exp Pediatr. 1991;34(3):323-333.   Published online March 31, 1991
A prospective study was conducted to see the pattern and mechanism of arginine vasopressin (AVP) secretion in children with CNS diseases. Study population consisted of 21 cases with aseptic meningi- tis (meningitis group) and another 21 cases with viral encephalitis or encephalopathy (encephalitis group), who had been admitted to our Pediatric Department during 10 months’ period from April 1985 to January 1986. Seventeen healthy...
Changes of immune indices in children with recurrent gross hematuria (IgA nephropathy and non-IgA nephropathy) and Henoch-Schonlein purpura nephritis.
Seong Mi Kim, Myung Chul Hyun, Cheol Woo Ko, Ja Hoon Koo, Doo Hong Ahn, Jung Sik Kwack
Clin Exp Pediatr. 1991;34(3):317-322.   Published online March 31, 1991
A Prospective study was conducted to see the changes of immune system in recurrent gross hematuria (IgA nephropathy and non-IgA nephropathy) and HSP nephritis in children. Study patients consisted of 60 children with recurrent gross hematuria and Henoch-schdnlein purpura nephritis (8 IgA nephropathy, 24 non-IgA nephropathy and 28 HSP nephritis). The cellular immune indices (total T, T4, T8 cells and T4/T8 ratio) and humoral...
The Effect of Low-Dosage Alpha-Interferon Therapy in Children with Chronic Active Hepatitis B.
Hee Kyung Kim, Sung Min Choi, Cheol Woo Ko, Kun Soo Lee, Ja Hoon Koo, Doo Hong Ahn
Clin Exp Pediatr. 1990;33(7):915-922.   Published online July 31, 1990
A clinical trial was conducted to determine the effect of low-dosage recombinant a-interferon therapy in children with HBs Ag and HBe Ag positive chronic active hepatitis. Studied patients consist of 7 biopsy-proven children (aged 6.5-11.5 yr). After 16 weeks of therapy, following results were obtained. Out of 7 HBe Ag positive cases, 5 cases (71.4%) were converted to HBe Ag negative state. One of two...
Chronic Renal Failure in Children.
Kyung Ok Lee, Young Ho Ahn, Sang Bum Lee, Ja Hoon Koo
Clin Exp Pediatr. 1988;31(6):738-746.   Published online June 30, 1988
Present study was undertaken to see the various clinicopathologic findings and outcome on 18 children with chronic renal failure, who had been admitted to the Pediatric department of Kyungpook National University Hospital from 1978 to 1986. And the following results were obtained. Male to female ratio was 5 to 4 and in 15 out of 18 cases, renal failure developed after 5 years of...
Primary Hematuria in Children.
Myung Chul Hyun, Geum Joo Kim, Kuhn Soo Lee, Ja Hoon Koo
Clin Exp Pediatr. 1986;29(5):498-503.   Published online May 31, 1986
A clinico-pathological observation was done on 23 children with primary hematuria, who had been admitted to the Pediatric ward of KNU Hospital from January 1981 to August 1985. All children were undergone percutaneous renal biopsy. The following resullts were obtained; Sex distribution showed male predominance with male to female ratio of 2.8:1 and 11 〜15 years of age group...
Chronic Renal Failure in Children.
Yong Choi, Jong Duck Kim, Kwang Wook Ko, Jae Seung Lee, Pyung Kil Kim, Ja Hoon Koo
Clin Exp Pediatr. 1986;29(5):493-497.   Published online May 31, 1986
We analyzed data on children with chronic renal failure collected from 36 pediatric training hospitals during the period from Jan. 1, 1980 to Dec. 31, 1984. The following results were obtained: 1) Total number of children with chronic renal failure during the study period was 135. The incidence was about 1 per 2,000 in-patients and 2.09 per million children under 15...
Superoxide Dismutase Activity in Down Syndrom.
Moon Sook Lee, Hae Woon Chang, Kun Soo Lee, Ja Hoon Koo, Kun Young Sohn
Clin Exp Pediatr. 1986;29(4):361-374.   Published online April 30, 1986
Superoxide dismutase activity of erythrocyte in 20 cases of 21-trisomy Down syndrome between 2 months and 15 years old age and 13 cases of age-matched normal children were checked at Department of Pediatrics and Department of Biochemistry, School of Medicine, Kyung-Pook National University. The results were following: Mean superoxide dismutase activity in normal children was 202.25 U/gmHb and in Down syndrome 291.69 U/gmHb, and the ratio...
Pulmonary Infiltration in Rotaviral Gastroenteritis.
Wan Sup Kwak, Wang Bock Lee, Haeng Mi Kim, Ja Hoon Koo
Clin Exp Pediatr. 1985;28(5):448-454.   Published online May 31, 1985
A clinical study was conducted to determine the frequency and degree of pulmonary infiltration in patients with rotaviral gastroenteritis. Thirty-three children with Rotazyme test positive gastroenteritis were enrolled in the study group, who had been admitted to the Pediatric Department of Kyungpook National University Hospital from September, 1983 to December, 1983. The following results were obtained: Vomiting and signs/symptoms of...
Hypomatremia in children.
Youn Ok Kim, Hye Li Chung, Khun Soo Lee, Ja Hoon Koo
Clin Exp Pediatr. 1985;28(5):415-422.   Published online May 31, 1985
A clinical study was couducted on 77 hyponatremic children who had been admitted to the Pediatric Department of Kyungpook National University Hospital from January 1983 to June 1984. The following results were obtained. Male preponderance was noted with male to female ratio of 2.2: 1 and age distribution showed an even distribution from newborn to adolescence. According :to the classification by...
A Clinical Observation on Isolated Ventricular Septal Defect In Children.
Chang Ho Lee, Kwang Do Lee, Sang Bum Lee, Ja Hoon Koo
Clin Exp Pediatr. 1984;27(7):702-710.   Published online July 31, 1984
A clinical study was done an 39 cases of isolated VSD who had been admitted to the Pediatric Department of Kyungpook National University Hospital, and and confirmed by cardiac catheterization during the period from January 1975 to May 1983. The results were as follows; Out of 77 cases of congenital heart disease underwent cardiac catheterization, 39 cases were isolated VSD,...
Reye's Syndrome in Children.
Dong Jin Lee, Sook Hee Lee, Ja Hoon Koo, Doo Hong Ahn, Yong Jin Kim
Clin Exp Pediatr. 1984;27(5):457-466.   Published online May 31, 1984
A clinical observation has been made on 44 children with Reys's syndrome who were admitted to pediatric department of KNU hospital during 6 year period from September 1977 to August 1983. Male to female ratio was 1.3 : 1. Cases under 6 years of age comprised 40(90.9%) and cases under 1 year 13(29.6%). The most common antecedent illness was URI...
Two Cases of Hemolytic Uremic Syndrome.
Sook Hee Lee, Dong Jin Lee, Ja Hoon Koo, Doo Hong Ahn, Young Jin Kim
Clin Exp Pediatr. 1984;27(4):384-389.   Published online April 30, 1984
The hemolytic uremic syndrome is a clinical state characterized by uremia, thrombocytopenia and microangiopathic hemolytic anemia. Since the first description of this illness by Gasser in 1955, it has been recognized with increasing frequency. Recently, we have experienced 2 cases of severe hemolytic uremic syndrome occurring in boys in 5 and 6 years of age. Diagnosis was established by typical...
Case Report
Korean Hemorrhagic Fever in Children.
Won Seok Lee, Yong Hoon Park, Ja Hoon Koo, Doo Hong Ahn, Yong Jin Kim
Clin Exp Pediatr. 1984;27(3):265-270.   Published online March 31, 1984
Korean hemorrhagic fever is acute febrile illness caused by Hantan virus. It involves capillaries and small vessels systemically, and leads to dysfunctions of many organs, esp. kidney. In recent years, we have experienced 4 cases of korean hemorrhagic fever in children’s age group. Diagnosis was confirmed by immunofluorescent technique in one case and renal biopsy was done in 2 cases....
Original Article
Liver Involvement in Childhood Typhoid and Paratyphoid fever.
Yong Hoon Park, Yun Ok Kim, Ja Hoon Koo, Doo Hong Ahn
Clin Exp Pediatr. 1984;27(3):229-236.   Published online March 31, 1984
A clinical observation was done on 39 children with typhoid and paratyphoid fever, who had been admitted to the Pediatric department of Kyungpook National University Hospital, from January 1981 to December 1982. Diagnosis was established by positive serologic test and/or positive bacteriologic culture. Liver involvement as evidenced by abnormal liver function tests, hepatomegaly and hepatic tenderness was noted in 46.2%(18...
Acute Renal Failure in Children.
Chan Lak Son, Sun Hwan Chung, Yong Hoon Park, Kuhn Soo Lee, Ja Hoon Koo
Clin Exp Pediatr. 1984;27(2):146-155.   Published online February 28, 1984
A clinical study was conducted on 76 children with acute renal failure who had been admitted to the Pediatric Department of Kyungpook National University Hospital during 2.2years period from January 1981 to June 1983, and following results were obtained.Age distribution revealed 19 out of total 76 cases (25%) being infants under 1 year of age and otherwise even distribution was...
A Clinical Study on Children with Acute Glomerulonephritis.
Jeong Gwon Lee, Dong Jin Lee, Sang Bum Lee, Ja Hoon Koo
Clin Exp Pediatr. 1983;26(1):48-56.   Published online January 31, 1983
A clinical observation has been made on 104 children with acute glomerulonephritis who were admitted to pediatric Dept, of Kyung-Pook University hospital during 4 1/2 year period, from August 1977 to December 1981. Male to female ratio was 1.5 : 1 and peak incidence was noticed on cold months from November to January when URI was most prevalent. Cases were evenly distributed...
Case Report
Hyperviscosity Syndrome in Newborn.
Yong Soon Kim, Sook Hee Lee, Ja Hoon Koo, Doo Hong Ahn
Clin Exp Pediatr. 1982;25(6):622-627.   Published online June 30, 1982
We experienced Hyperviscosity syndrome in 5 newborn infants during 6 months period from August 1980 to January 1981. Diagnosis was made on the basis of characteristic clinical symp-toms along with polythemia. The following results were obtained. Sex in 5 affected infants showed male in 2 and female in 3. And gestational age showed preterm in 3 and full term in...
Pheochromocytoma in A Child, with Hypertensive Encephalopathy.
Sung Jee Nam, Oh Young Kwon, Ja Hoon Koo, Doo Hong Ahn, Ku Hong Cho, Dae Ki Han, Sae Kook Chang
Clin Exp Pediatr. 1982;25(1):72-79.   Published online January 31, 1982
A 12 years old boy was admitted with chief complaint of fever, vomiting, sweating and comatose state. Blood pressure ranged 200/150mmHg, and various tests, including 24 hour urinary VMA, regitine test, abdominal aortography and CT scan, showed pheochromocytoma on the left adrenal gland. After successful surgical removal of the tumor, he has been free of symptoms afterward. And diagnosis of...
Original Article
Late Hemorrhagic Disease of Infancy due to Vitamin K Dependent Factor Deficiency.
Kang Il Lee, Yong Soon Kim, Sang Bum Lee, Ja Hoon Koo
Clin Exp Pediatr. 1982;25(1):52-57.   Published online January 31, 1982
A clinical study was done on 9 children with 10 episodes, who were admitted to our pediatric ward under the diagnosis of late hemorrhagic disease of infancy due to vitamin K dependent factor deficiency. Study period was past 2 years, from September 1979 to May 1981. The following results were obtained. This disorder occurred most frequently during early infancy, with...
A Study on Children with Dysentery-like Stool from Taegu Area in 1980.
Yong Hoon Cho, Sung Jee Nam, Ja Hoon Koo, Doo Hong Ahn, Sung Yong Seol
Clin Exp Pediatr. 1981;24(8):735-742.   Published online August 15, 1981
A clinical and laboratory study was conducted on 75 children with dysentery-like stool, who had been admitted or visited to our pediatric department, during 8 months period from January to August 1980. The following results were obtained: One to five years of age group was affected most frequently(47%), Shigella flexneri was identified by stool culture in 23 cases(30%) and Entameba...
Clinical Study on Idiopathic Nephrotic Syndromein Children.
Haeng Mi Kim, Chang Ho Lee, Ja Hoon Koo, Doo Hong Ahn
Clin Exp Pediatr. 1981;24(6):549-558.   Published online June 15, 1981
A clinical observation was done on 38 children with idiopathic nephrotic syndrome, who had been admitted to our pediatric department during past 3 years period, from January 1978 to September 1980. The following results were obtained: At the beginning of illness, 42% were in the age group of 3~7year, and male to female ratio was approximately 3:1 of male preponderance....
Case Report
A Case report of Bird-headed Dwarfism(Seckel's Syndrome).
Yong Soon Kim, Sang Bum Lee, Ja Hoon Koo
Clin Exp Pediatr. 1981;24(11):1116-1120.   Published online November 15, 1981
Recently we have experienced a male baby, who bear a striking resemblance to bird-headed dwarfism. Review of literatures has been done and we believe this is the first ca多e reported in Korea.
Original Article
A Clinical Study on Sepsis in Children: esp. about buffy coat smear.
Nam Keun Cho, Haeng Mi Kim, Sang Bum Lee, Ja Hoon Koo, Sung Yong Seol
Clin Exp Pediatr. 1980;23(5):376-383.   Published online May 15, 1980
A clinical and laboratory study was conducted on 58 children who had been admitted to out pediatric department from February to September 1979, under the clinical diagnosis of septicemia. Following results were obtained: 1. Boys were affected more frequently than girls(1.3:1), and highest incidence was noticed in newborn period, comprising 50% of the total cases. 2. The common clinical manifestations,...
Relationship Between Neonatal Hypocalcemia and Q-oTc Interval.
Won Cho Chung, Kwang Tae Chung, Sang Bum Lee, Ja Hoon Koo, Doo Hong Ahn
Clin Exp Pediatr. 1980;23(5):358-365.   Published online May 15, 1980
A study has been conducted to see the relationship between Q-oTc interval and neonatal hypocalcemia study group consists of 75 Newborns(full-Term 57, premature 18), whose conditions were Known to be susceptable to the development of hypocalcemia and all of them were admitted to the newborn service of Kyungpook National University Hospital during 6 months period from February to August, 1978....
Case Report
A Case Report of Systemic Mastocytosis.
Kwang Tae Chung, Ja hoon Koo, Sae Kwang Moon
Clin Exp Pediatr. 1979;22(7):546-549.   Published online July 15, 1979
A case of systemic mastocytosis in a 6 year old boy was presented. Skin lesions started to appear and spred several days after birth along with severe itching sensation, and intermitent abdominal pain & constipation developed at the age of 5. On physical examination, he was found to be underdeveloped (Height less than 3rd percentile) with normal vital signs. Liver...
Original Article
Clinical Review of Miliary Tuberculosis.
Kwang tae Chung, Jin gon Jun, Ja hoon Koo
Clin Exp Pediatr. 1979;22(5):360-365.   Published online May 15, 1979
A clinical study was made on 26 children with miliary tuberculosis, who were admitted to the Pediatric department of Kyungpook national university hospital during the period of July, 1973 through June, 1978. Following results were obtained: There was no significant annual difference. However, the highest incidence was noted in the spring(46.2%). Children under the age of 6 were affected most...
The Study on Physical Development and Anemia in School Children(Comparative Study among School feeding children, non-school feeding children in rural area, and urban school children)
Chung Hun Choy, Ja Hoon Koo
Clin Exp Pediatr. 1976;19(7):478-493.   Published online July 31, 1976
During the early school years a steady rate of growth is normally maintained, but at about 10~12 years a predolescent growth spurt begins, usually with rapid increase in weight at first, followed by rapid increase in height. Nutrition is one of the most important factors for growth, and undernutrition or nutritional deficiency and anemia are considered as the important problems...
The Study on the Weaning problem with Development of Infants in M.C.H. Section of Kyungpook National University School of Medicine
Jong Dae Eun, Ja Hoon Koo
Clin Exp Pediatr. 1976;19(7):494-505.   Published online July 31, 1976
The life of the child may be divided into the following period: prenatal, neonatal, infancy, early childhood, late childhood, adolescence. Infancy is the period of most rapid extrauterine growth. There are factors influencing growth such as genetic, nutritional, socioeconomic and emotional factors and cultural considerations. Among them nutritional factors are fundamental to optimal growth, both prenatally and postnatally. For the Supervision of...
Clinical Observation on Rheumatic Fever in Children
Kun Whe Kim, Ja Hoon Koo
Clin Exp Pediatr. 1976;19(7):506-511.   Published online July 31, 1976
We observed 73 patients of rheumatic fever admitted to the Dept, of Ped” Kyungpook National University Hospital from Jan. 1966 to Dec. 1974. The results obtained were as follows: 1.As far as age distribution is concerned, majority of the patients were between 6 to 15(89. 0%) and the highest incidence was on the age group 10~ 12(36. 9%) 2.Male to...
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