Question: Is there a quantitative relationship between air pollutant emissions and the incidence of type 1 diabetes (T1D)? Finding: The incidence of T1D in each region of the Russian Federation correlated with the total air pollutants emitted each year. Meaning: These findings suggest that air pollution contributes to the development of T1D. |
This single-center study was conducted to assess the changes in epidemiological and clinical characteristics and outcomes of patients with Kawasaki disease (KD) over the past 7 years. This retrospective study included 135 children with KD, admitted to Chungnam National University Hospital, Daejeon, between 2004 and 2005 (group A, n=53) and between 2011 and 2012 (group B, n=82). Medical records were reviewed... |
The authors analyzed the trend from the birth-related statistics of high birth weight infants (HBWIs) over 50 years in Korea from 1960 to 2010. We used 2 data sources, namely, the hospital units (1960's to 1990's) and Statistics Korea (1993 to 2010). The analyses include the incidence of HBWIs, birth weight distribution, sex ratio, and the relationship of HBWI to maternal... |
With feasibility in the diagnoses of congenital heart disease (CHD) in the antenatal period, we suspect changes have occurred in its incidence. No data have been reported about the current incidence of simple forms of CHD in Korea. We have attempted to assess the recent incidence and characteristics of CHD in the neonatal care unit of a secondary referral medical... |
Purpose : This study assessed the incidence and outcome of congenital anomalies of the kidney and urinary tract (CAKUT) detected by prenatal ultrasonography Methods : There were 906 cases of CAKUT detected by prenatal ultrasonography and postnatally confirmed at the Asan Medical Center from October 1989 to October 2007. We investigated the incidence and outcome of these cases by reviewing medical... |
Purpose : It has been described that the incidence of breastfeeding jaundice is 13% and that of breast milk jaundice is 2%. The incidence in Korea was believed to be higher, but there were no studies to prove this assumption. The purpose of this study was to investigate the incidence of jaundice of healthy breastfed full-term infants in Korea. Methods :... |
Purpose : The mucopolysaccharidoses (MPSs) are a heterogeneous group of lysosomal storage disorders. They are caused by a deficiency of the enzymes involved in the degradation of glycosaminoglycans. Early recognition is important because recombinant enzyme replacement therapy is now available for MPS. We studied the clinical characteristics of 80 MPS children with the object of determining the epidemiological, clinical and... |
Purpose : The goal of our study was to identify the incidence and clinical, neurophysiological and neuroradiological variables with predictive value for posttraumatic seizure(PTS). Methods : The medical records of 625 children with head traumas under 15-year-old who were admitted to the Wonju Christian Hospital, from January, 1993 to January, 2002 were retrospectively reviewed. Among them, 472 patients were included... |
Purpose : This is a retrospective descriptive study to determine the incidence of congenital heart disease(CHD) in Jeju and to estimate the suitability of the Jeju population as the subject for a regional birth cohort study. Methods : All patients with CHD diagnosed by two dimensional echocardiography in Cheju National University Hospital and Halla General Hospital from January 1999 to... |
Purpose : Nephrocalcinosis in very low birth weight(VLBW) infants were known to be caused by a longer duration of furosemide use. However, etiologies, pathogenesis and risk factors remain unclear. Therefore, we examined the incidence and risk factors of nephrocalcinosis in VLBW infants retrospectively. Methods : Inborn babies of birth weights less than 1,500 gm were examined retrospectively. Data were reviewed on... |
Purpose : This prospective pilot study is a part of the Korean NIH’s effort to characterize congenital anomalies and genetic disorders in Korea and to establish a National Genetic Database. Methods : This population-based study was conducted at all hospitals that deliver in the province of Suwon; a total of 39 hospitals from May 1, 1997 to April 30, 1999 for... |
Purpose : Many reports exist about the frequency of congenital heart disease(CHD) in the world, but according to the definition of CHD and subjects of study group, many differences existed between the reports. We conducted this study to evaluate the incidence and frequency of CHD by color Doppler echocardiography in neonate, and to suggest a preliminary model of incidence of... |
Purpose : Menarche is an important life event, making the transition from childhood to early womanhood. It is a significant physical and physiological event that adolescent girls feel sexual identity and it affects on psychological development. The onset of menstruation is considered a practical indication of sexual maturity in girls. On a population level, mean menarcheal age is considered to... |
Purpose : The incidence of Down syndrome, the most common chromosoaml anomaly, increases with the advanced maternal age. Recently, however, the incidence of Down symdrome was reported to have decreased with wide acceptance of prenatal diagnosis and planned parenthood, prompting us to re-evaluate the incidence of Down syndrome in relation to changes in maternal age. Methods : Subjected to study were 296 Down cases: 26... |
Purpose : Retinopathy of prematurity(ROP) continues to be a serious problem in infants who survived with neonatal intensive care. Nevertheless, there is neither available data about the incidence of ROP which may be the basis of the epidemiology, nor analysis of the risk factors of ROP in Korea. The purpose of this retrospective study was to evaluate the incidence of... |
We studied, with echocardiography as a main tool, the natural processes of 211 patients with uncomplicated ventricular septal defect(VSD)(incidence, 5.33 per 1,000 live births); 146(69.2%) had a perimembranous VSD and 32 (15.2%) had a subarterial, 25(11.8%) had a muscular type of VSD. Cumulative rate of spontaneous closure was 26.1%. In the closure processes, about three-fourth of perimembranous VSd showed a... |
Over a continuous 4-year period, from January 1989 till December 1992, 7,100 infants were born in Department of Obstetrics and admitted to Nursery or Neonatal Intensive Care Unit of Department of Pediatrics of Seoul National University Children's Hospital. Among them, 126 cases were diagnosed as respiratory distress syndrome (RDS) of newborn. The total incidence of RDS among all the newborns(inborn)was 1.77%.... |
Leukemia is a neoplasm arising from the malignant transformation of hematopoietic cells. The incidence data of leukemia have not been available for Korean as a whole. The present study was therefore undertaken in order to estimate the incidence of childhood leukemia among Korean. The study population of this investigation was the beneficiaries of the Korea Medical Insurance Corporation(KMIC) during the period... |
We carried out a stastical & clinical analysis on 2,593 cases of childhood accidents visiting emergancy room of National Medical Center during last 5 years, from Jan. 1, 1984 to Dec. 31, 1988. The results were as follows: 1) The total percent of accidents among EMR visitors showed 6% increase in 1988 compared to that of in 1984 2) The most common type of accidents was trauma... |
This study was conducted to find out the incidence of exercise-induced asthma in pediatric population at Pohang in Korea. We selected an elementary school near pohang. The total number of the elementary school children except who was ill at that time, was 631. They all took pulmonary function test with Wright’s Peak Flow Meter before and after exercise. The study was done from 21st... |
A clinical observation has been made on 111 children with acute glomerulonephritis who were admitted to Pediatric Department of Yeungnam University Hospital during 5 years period from June 1, 1983 to May 31, 1988. The incidence of acute glomerulonephritis among hospitalized patients was 1.59% and the annual incidence was decreased markedly after June 1986. Peak incidence was noticed in the wintertime from November to January... |
We have analysed the type, age, sex, initial hematologic values and cell markers in 295 children, who had been diagnosed as leukemia at the department of pediatrics, Seoul National University Hospital, from Jan. 1983 to Dec. 1987. The patients were composed of 197 cases (66.8%) of ALL, 82 cases (27.7%) of ANLL and 16 cases (5.5%) of CML. FAB subclassification have been done in... |
315 cases of malignant tumors under 15 years of age who were admitted to the Gospel Hospital from January 1975 to December 1984 were analysed and following results were obtained. 1) The incidence of malignances in all admitted child patient was 3.39%. 2) Childhood malignant tumors were more frequently occured in the age group of 0〜5 years. The more prevalent tumors for the... |
Total 460 cases of benign and malignant tumors below 20 years of age who admitted to Kyung Hee University Hospital for 5 years from January 1980 to December 1984 were clinically analized and the following results were obtained.1) Among 460 benign and malignant tumors, malignant tumors were 201 cases(43.7%) and benign tumors were 259 cases(56.3%). 2) The male to female incidence ratio was... |
We obtained following results by analysis of 355 cases of malignant tumors in patients under 15 years of age who were admitted to the Chonju Presbyterian Medical Center from January 1971 to December 1982. The diagnosis was confirmed by pathologic studies. 1)The most common malignant tumor was leukemia(44.9%). The next in order were lymphoma (14.9%), brain tumor(7. 0%), Wilms tumor(7.0%),... |
This report was conducted to estimate the relative incidence of acute viral hepatitis (all were under 15 years of age. Who were admitted to the Pediatric Department, Hanyang University Hospital during the period from March 1982 to August 1983 were evaluated. The following results were obtained. 1)The sex ratio of of male to female was 1.34 : 1. 2)The incidence... |
To determine the role of enterotoxigenic Escherichia coli in diarrheal disease of non-hosp- italized children living in Korea, stool specimens were collected from 330 patients with dia- rrhea and 68 age and sex matched control. Sixty-eight healthy children and 330 diarrheal patients, who visited three private clinics and one municipal hospital in Inchon City, were tested to detect the production of Escherichia coli enterotoxin... |
Supracristal ventricular septal defect has engendered an interest in recent years because of the racial difference in its incidence and the unusually high association of the aortic valve abnormalities. The relative incidence of supracristal ventricular septal defect was studied in Korean. During the period of eight years from January 1974 to December 1981, 119 cases(27.6%) of supracristal type were noted among 431 cases of... |
Five hundred and thirty-nine cases of malignant tumors (excluding leukemia) under 15 years of age who were admitted to Seoul National University Hospital from January 1967 to December 1981 were reviewed and analysed. Three hundred and ninety-nine cases of leukemia were seen during the same period and total 938 cases of malignancies including leukemia were observed. 1. The frequency of malignant tumors... |
30 patients diagnosed as having tic disorder at the Child Psychiatry clinic of Seoul National University Hospital were studied in terms of sex, age, onset, precipitating factors,characteristics of the patients and family dynamics. A short term follow up study wascarried out regarding the outcomes of the symptom and the changes in attitudes and beha-viors of patients and parents. The results... |