1.Assessment of Coronary Artery Flow after Infusion of Adenosine in Kawasaki Disease by Transthoracic Echocardiography.
Hye Ryung CHOI ; Young Mi HONG
Journal of the Korean Pediatric Cardiology Society 2004;8(1):164-173
PURPOSE: Coronary arterial lesions after Kawasaki disease may cause coronary endothelial dysfunction without initial coronary dilatation, stenosis, and aneurysm. TTE (transthoracic echocardiography) is a non-invasive and widely used method in clinical practice. Adenosine is short acting drug and induces coronary vasodilatation. This study was designed to measure accurate coronary dysfunction by adenosine infusion. Coronary flow reserve(CFR) is defined as "the ratio of peak hyperemic to basal coronary flow velocity(CFV) in the proximal coronary vessel". CFR measurements has provided useful clinical and physiologic information in pediatric patients with congenital or acquired heart disease. METHODS: We examined 29 patients who had a history of Kawasaki disease. 19 patients discontinued low dose aspirin(5 mg/kg/d) after recovered from coronary dilatation and 10 patients have taken low dose aspirin because they had coronary dilatation. Adenosine was infused at 160 microgram/kg/min for 4 min. Diameter, velocity and integral of coronary artery were measured. RESULTS: Diameter and velocity were increased after adenosine infusion in both coronary arteries. A reduced CFR of both coronary arteries was noted in unrecovered group. CONCLUSION: CFR measured by TTE can predict the presence of significant coronary dysfunction in convalescent phase of Kawasaki disease.
Adenosine*
;
Aneurysm
;
Aspirin
;
Constriction, Pathologic
;
Coronary Vessels*
;
Dilatation
;
Echocardiography*
;
Heart Diseases
;
Humans
;
Mucocutaneous Lymph Node Syndrome*
;
Vasodilation
2.Identification of Differentially Expressed Genes in Kawasaki Disease Using Annealing Control Primer System.
Hye Ryung CHOI ; Young Mi HONG
Journal of the Korean Pediatric Cardiology Society 2006;10(4):446-455
PURPOSE: Kawasaki disease is an acute systemic vasculitis syndrome of children. Although its etiology is largely unknown, epidemiological findings suggest that genetic factors play a role in the pathogenesis of Kawasaki disease. We investigated differentially expressed genes in Kawasaki patients. METHODS: we extracted bloods of Kawasaki patients in acute, subacute, convalescent phase and normal control group. Gene expressions were investigated by annealing control primer (ACP)-based GeneFishing PCR. Products were visualized after electrophoresis in 2% agarose gel and automatically sequenced. RESULTS: 165 differentially expressed genes were identified by using 120 ACPs. Expression of immunoglobulin kappa and lambda (DEG 20,45,54) significantly was down-regulated in acute and subacute phase of Kawasaki disease but up-regulated in convalescent phase. Apollon gene (DEG 64) was down-regulated in kawasaki patients. TNIK and other DEGs were also found. CONCLUSION: This findings suggest that different genetic change occur in the coarse of Kawasaki disease. Further study of differentially expressed gene using annealing control primer system may provide etiology and pathogenesis of Kawasaki disease.
Child
;
Electrophoresis
;
Gene Expression
;
Humans
;
Immunoglobulins
;
Mucocutaneous Lymph Node Syndrome*
;
Polymerase Chain Reaction
;
Sepharose
;
Systemic Vasculitis
3.A Case of Cutis Verticis Gyrata due to Cerebriform Intradermal Nevus in the Neonate.
Hye Ryung CHOI ; Hyun Joo LEE ; Eun Ae PARK
Korean Journal of Pediatrics 2004;47(2):223-226
Cutis verticis gyrata(CVG) is a morphologic syndrome of the scalp characterized by folds and furrows resembling the surface of brain. The primary form of cutis verticis gyrata is commonly associated with a neuropsychiatric condition and a secondary form occurs as a response of inflammatory or neoplastic process. The patient was a 1-day-old girl, who had a 15x11 cm sized, convoluted mass over whole scalp. Skin biopsy from the lesion was consistent with cerebriform intradermal nevus. The baby girl was followed up as an outpatient with monitoring of the scalp lesion for 2 years and showed improvement of folds and furrows of the lesion.
Biopsy
;
Brain
;
Female
;
Humans
;
Infant, Newborn*
;
Nevus, Intradermal*
;
Outpatients
;
Scalp
;
Skin
4.A Simple Assay Method for Melanosome Transfer.
Hye Ryung CHOI ; So Hee PARK ; Jae Woo CHOI ; Dong Seok KIM ; Kyung Chan PARK
Annals of Dermatology 2012;24(1):90-93
Pigmentation is induced by production of melanin in specialized organelles termed melanosomes and by transfer of these organelles from melanocytes to surrounding keratinocytes. The chemical basis of melanogenesis is relatively well known but the mechanism of melanosome transfer is not well studied. Various pigmentary disorders and cosmetic applications require the use of depigmenting agents. Currently available topical agents used for the reduction of pigmentation mainly include tyrosinase inhibitors and/or melanocyte-cytotoxic agents. Recently, several agents have been introduced to inhibit melanosome transfer from melanocytes to keratinocytes. However, an experimental model for melanosome transfer is not well established. In this study, a simple assay method using flow cytometry is described.
Cosmetics
;
Flow Cytometry
;
Keratinocytes
;
Melanins
;
Melanocytes
;
Melanosomes
;
Models, Theoretical
;
Monophenol Monooxygenase
;
Organelles
;
Pigmentation
5.A case of neonatal alloimmune thrombocytopenia due to anti-HLA B44.
Kyou Sup HAN ; Myoung Hee PARK ; Bok Yun HAN ; Jung Hye CHOI ; Jin Min CHOI ; Hwa Ryung CHUNG ; Richard H ASTER
Korean Journal of Blood Transfusion 1993;4(2):239-245
No abstract available.
Thrombocytopenia, Neonatal Alloimmune*
6.A case of neonatal alloimmune thrombocytopenia due to anti-HLA B44.
Kyou Sup HAN ; Myoung Hee PARK ; Bok Yun HAN ; Jung Hye CHOI ; Jin Min CHOI ; Hwa Ryung CHUNG ; Richard H ASTER
Korean Journal of Blood Transfusion 1993;4(2):239-245
No abstract available.
Thrombocytopenia, Neonatal Alloimmune*
7.Interactive Roles of Activin A in Epidermal Regeneration.
Jee Woong CHOI ; Kyung Mi NAM ; Hye Ryung CHOI ; Chang Hun HUH ; Kyung Chan PARK
Annals of Dermatology 2018;30(6):755-757
No abstract available.
Activins*
;
Regeneration*
8.Decreased Galectin-3 and -7 Expressions in Old-Aged Skin and Their Differential Expression in Skin Equivalents.
Jee Woong CHOI ; Kyung Mi NAM ; Hye Ryung CHOI ; Dong Hun LEE ; Chang Hun HUH ; Kyung Chan PARK
Annals of Dermatology 2018;30(3):375-378
No abstract available.
Galectin 3*
;
Skin*
9.Designing Electronic Medical Record using Health Level 7 Development Framework.
Nam Hyun KIM ; Hye Ryung KIM ; Ji Young NAH ; Hee Jai CHOI ; Hye Ran LEE ; Hye Jung JUNG ; Myoung Rok CHOI
Journal of Korean Society of Medical Informatics 2005;11(3):273-278
OBJECTIVE: This is designing the part of Electronic Medical Record using HL7 Development Framework and Reference Information Model to realize the building medical standard data model for sharing medical record between heterogeneous hospital systems. METHODS: The process used development of HL7 specifications consists of the following seven activities: 1.Project initiation. 2.Requirements Documentation. 3.Specification Modeling. 4.Specification Documentation. 5.Specification Approval. 6. Specification Publication. 7.Implementation Profiling. Each activity is briefly described in the subsections that follow and described in detailed in the methodology chapters that follow this introduction.3. Result. The steps, after 4 step, needs to standardized the results. So we didn't followed that steps1). RESULTS: We got the diagrams at each steps of the HDF methodology: 1.A dynamic description. 2.A static description of the concepts involved in the business process. 3.A Use Case model which identifies the system involved in the actual HL7 data/information exchange1). CONCLUSION: It was confirmed that HL7 RIM could take in the domestic demands of medical records, and concrete methodology was applied in practice. It can be a good reference for the hospitals constructing new information system and for the enterprises developing medical information systems to apply the HL7 version 3 to their works.
Commerce
;
Electronic Health Records*
;
Health Level Seven*
;
Health Status*
;
Information Systems
;
Medical Records
;
Publications
10.Relation of Umbilical Cord Blood Insulin/C-peptide to Neonatal Anthropometric Measures in Offspring of Mother with Normal Glucose Metabolism.
Sun Young KHO ; Hye Kyung HAN ; Mi Ryung UHM ; Kyung Hoon CHOI ; Mi Na LEE ; Hak Chul JANG ; Moon Young KIM
Journal of the Korean Pediatric Society 1996;39(11):1520-1526
PURPOSE: We tried to find the relationships between the fetal beta-cell function and neonatal birth weight, anthropometric measures, and maternal characteristics, and to observe role of insulin as fetal growth factor in offsprings of mothers who have normal glucose metabolism. METHODS: We measured umbilical cord blood insulin and C-peptide concentrations in 236 neonates delivered at Cheil General Hospital from Jan. 1 to Jan. 31 1994. Their mothers had normal glucose metabolism during pregnancy. The birth weight and other anthropometric measures were performed within 24 hours after birth by same pediatrician. RESULTS: 1) The mean gestational age was 39.5+/--0.1 wk and mean birth weight was 3.3+/--0.2 Kg. According to birth weight percentile, the numbers of small for gestational age(SGA), adequete for gesational(AGA), and large for gestational age(LGA) infans were 3(1.3%), 178(75.4%), and 55(23.3%), respectively. There were no differences in gestational age, birth weight, length, head circumference, chest circumference, Ponderal index, and symmerty index between male and female infants. 2) The maternal weight gain during pregnancy was related to neonatal birth weight, length, and head circumference, but not to Ponderal index and symmetry index. 3) The mean cord blood insulin and C-peptide concentrations were 5.1+/--0.1uU/ml and 1.3+/--0.1 ng/ml. There was a significant positive correlation between insulin and C-peptide concentrations. 4) There were no significant differences in cord blood insulin and C-peptide concentrations among the SGA, AGA, and LGA group. 5) The cord blood insulin and C-peptide concentrations had weak positive correlations with neonatal birth weight, obesity, and gestational age, but nor with maternal weight gain during pregnancy. CONCLUSIONS: Although insulin has a significant role in fetal growth in diabetic pregnancy or intrauterine growth retardation(IUGR), our results suggest that it does not have a significant effect on fetal growth in offsprings of mothers who have normal glucose metabolism.
Birth Weight
;
C-Peptide
;
Female
;
Fetal Blood*
;
Fetal Development
;
Gestational Age
;
Glucose*
;
Head
;
Hospitals, General
;
Humans
;
Infant
;
Infant, Newborn
;
Insulin
;
Male
;
Metabolism*
;
Mothers*
;
Obesity
;
Parturition
;
Pregnancy
;
Thorax
;
Umbilical Cord*
;
Weight Gain