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Original Article
Impact of Xmn1 polymorphism on hydroxyurea therapy in children with HbE-βnon-transfusion dependent thalassemia: a cohort study
Saheli Roy, Paramita Bhattacharya, Atanu Kumar Dutta, Mrinal Kanti Das
Background: Fetal hemoglobin (HbF) inducers, among which hydroxyurea is the most extensively used, have shifted the paradigm toward the treatment of non-transfusion-dependent thalassemia (NTDT). Xmn1 polymorphism (rs7482144) is characterized by substitution (C>T) at -158 position of the γ-globin gene, which leads to CC, CT, or TT genotype. Recently, the role of the Xmn1 polymorphism as a modifier of hydroxyurea therapy...
Cardiology
Clinical implications in laboratory parameter values in acute Kawasaki disease for early diagnosis and proper treatment
Yu-Mi Seo, Hyun-Mi Kang, Sung-Churl Lee, Jae-Won Yu, Hong-Ryang Kil, Jung-Woo Rhim, Ji-Whan Han, Kyung-Yil Lee
Clin Exp Pediatr. 2018;61(5):160-166.   Published online May 28, 2018
Purpose

This study aimed to analyse laboratory values according to fever duration, and evaluate the relationship across these values during the acute phase of Kawasaki disease (KD) to aid in the early diagnosis for early-presenting KD and incomplete KD patients.

Methods

Clinical and laboratory data of patients with KD (n=615) were evaluated according to duration of fever at presentation, and were compared between...

Case Report
Methemoglobinemia development after ingestion of a chinese herbal medicine: A case report
Se Eun Hyun, Pil Joo Hwang, Kyung Pil Nam, Eun Gyong Yoo, Man Yong Han
Clin Exp Pediatr. 2008;52(3):385-388.   Published online March 15, 2009
An 8-year-old girl visited the emergency room with perioral cyanosis and dyspnea, which had developed 20 hrs prior to the hospital visit. She had taken a Chinese herbal medication for 3 days prior to the onset of the symptoms. A co-oximeter examination revealed a methemoglobin level of 23.7%. An intravenous infusion of methylene blue was administered. Chemical analysis of the...
Original Article
Reticulocyte hemoglobin content for the diagnosis of iron deficiency in young children with acute infection
Jon Soo Kim, Jun Seok Choi, Doo Young Choi, Chur Woo You
Clin Exp Pediatr. 2008;51(8):827-833.   Published online August 15, 2008
Purpose : Early identification of iron deficiency in young children is essential to prevent damaging long-term consequences. It is often difficult for the pediatrician to know which indices should be used when diagnosing these conditions especially in hospitalized young children. This study investigated the clinical significances of reticulocyte hemoglobin content in young children with acute infection. Methods : We studied...
Review Article
Hemolytic anemia in pediatrics
Jeong Ok Hah
Clin Exp Pediatr. 2007;50(6):511-518.   Published online June 15, 2007
To understand the hemolytic anemia (HA) in children, the diagnostic approach and management of hereditary and acquired HA are described. The hereditary hemolytic anemia (HHA) can be classified according to the pathogenesis into three types : RBC membrane defects, hemoglobinopathies, and RBC enzymopathies. Clinical characteristics, laboratory findings and molecular defects of these three types are presented briefly. In Korea,...
Original Article
Methemoglobinemia Associated with Diarrheal Disease before 2 Months of Ag
Ji Ah Jung, Jung Won Lee, Jeong Wan Seo
Clin Exp Pediatr. 2001;44(12):1387-1394.   Published online December 15, 2001
Purpose : Methemoglobinemia has been observed during a diarrheal illness among those who were not exposed to oxidizing agents in neonates and young infants. We performed the study to determine predisposing factors in this entity. Methods : The medical records of 24 patients were reviewed, who were admitted for diarrhea with methemoglobinemia to Ewha Womans University MokDong Hospital, from February 1994 to November 2000. The...
Case Report
A Case of Congenital Methemoglobinemia Due to NADH-Methemoglobin Reductase Deficiency
Do Hyeon Kim, Jin A Lee, Sung Jae Lee, Heui Seung Jo, Yun Kyoung Lee, June Dong Park, Beyong Il Kim, Jung-Hwan Choi, Dong Soon Lee, Han Ik Cho, Kyung Ran Park
Clin Exp Pediatr. 2001;44(6):699-704.   Published online June 15, 2001
Congenital methemoglobinemia is caused by NADH-methemoglobin reductase deficiency in more than half of the total reported cases. NADH-methemoglobin reductase deficiency is an uncommon hereditary disorder producing methemoglobinemia and cyanosis in the homozygous subject. A majority of the patients born with these abnormalities have only a cosmetic defect-asymptomatic cyanosis. Congenital methemoglobinemia due to NADH-methemoglobin reductase deficiency is an autosomal recessive disorder...
Original Article
Mean Corpuscular Hemoglobin Concentration as a Discriminating Tool between Hereditary Spherocytosis and Intravascular Hemolysis
Hae Young Park, Hwang Min Kim, Kyoung Ah Lee, Dong Il Won, Sei Myeng Park, Seok Won Park, Baek Keun Lim, Kil Young Kim
Clin Exp Pediatr. 2001;44(6):664-668.   Published online June 15, 2001
Purpose : The purposes of this study were to elucidate the diagnostic significance of mean corpuscular hemoglobin concentration(MCHC) for various kinds of hemolytic anemia, the mechanism of elevated MCHC in hereditary spherocytosis(HS). Methods : The subjects consisted of 39 cases of HS(group 1), 31 cases of intravascular hemolysis (IH) such as DIC, snake bite or hemolytic uremic syndrome(group 3), and sex...
Changes in Incidence of Infantile Transient Methemoglobinemia Associated with Infectious Diarrhea during 1989-1999 in Kyungnam Province
Young Suk Kim, Eun-A Kim, Jae-Young Lim, Myoung-Bum Choi, Chan-Hoo Park, Hyang-Ok Woo, Byung-Kiu Park, Hee-Shang Youn, Yang-Suk Jung, Dong-Jin Lee, Jung Hee Kim, Eun Jeong Kim, Chul Kyu Kim
Clin Exp Pediatr. 2000;43(12):1569-1576.   Published online December 15, 2000
Purpose : Infantile transient methemoglobinemia(ITM) may develop in association with infectious diarrhea without exposure to any toxic oxidizing agents. We observed that the number of ITM associated with infectious diarrhea have increased at the Gyeongsang National University Hospital (GNUH), located in the western area of Kyungnam province during the last 4 years. To determine whether this phenomenon was similarily observed...
Insulin-like Growth Factor(IGF)-I and IGF-Binding Protein-3 in Relation to Hemoglobin Concentration in Healthy Infants
Yoon Ki Kang, Dae-Yeol Lee
Clin Exp Pediatr. 2000;43(7):967-973.   Published online July 15, 2000
Purpose : Insulin-like growth factor(IGF-I) and IGF binding protein(IGFBP)-3 is thought to play an important role in fetal erythropoiesis. The objective of this study was to establish a relation between IGF-I, free IGF-I, IGFBP-1, and -3 with hemoglobin level in healthy term, 3-month, and 12-month old infants. Methods : Healthy term infants(n=20) were enrolled at birth, as well as 3 months(n=30) and 12 months(n=30) of...
Erratum
Reference Values of Hematologic and Biochemical Parameters of Nutrition around Weaning Period
Seung Joo Lee, Jeong Wan Seo, Jae Ock Park, Jae Hoon Shin, Hae Ran Lee, Ji Tae Chung, Hae Il Chung
Clin Exp Pediatr. 1999;42(1):6-14.   Published online January 15, 1999
Purpose : To determine the reference values of hematologic and biochemical parameters of nutrition around the weaning period. Methods : From February 1996 to March 1997, several nutritional laboratory values were evaluated in 130 healthy babies and 120 inpatients in the recovery stage of acute illness at six general hospitals. Results : Reference values in 9-month-old healthy babies(range : 6-12 months) were...
Original Article
Studieson NormalValuesforRed Blood Cells in Korean Children
Soon Ki Kim, Byong Kwan Son
Clin Exp Pediatr. 1996;39(5):673-681.   Published online May 15, 1996
Purpose : Values for hemoglobin, erythrocyte indices and red cell distribution width used in the diagnosis of anemia and iron deficiency are known to vary to some degree according to age. We tried to define age-related changes in red blood cells (RBC) profiles. Methods : With the eletronic counters routinely used in clinical laboratories we evaluated the RBC profiles of 1,717 samples of blood from...
Analysis of Contaminated Ground Water Inducing Methemoglobinemia and Epidemiologic Investigation of Contaminated Ground Water
Bu Heon Lee, Ji Young Suh, Nam Su Kim, Hang Lee, Young Yeul Kim, Bo Youl Choi, Hung Bae Park, Min Young Kim, In Hak Yeo
Clin Exp Pediatr. 1995;38(4):507-512.   Published online April 15, 1995
Purpose : Drining of Nitrate-contaminated water has been the most common cause of acquired methemoglobinemia. We had cyanotic infant diagnosed as methemoglobinemia caused by feeding with powdered formula mixed with nitrate-contaminated ground water. Methods : We had done epidemiologic investigation to identify the cause of an infant's methemoglobinemia. Analysis of ground water and blood test of involved family members and neighbors...
Case Report
Transient Methemoglobinemia with Acidosis in Newborn
Heng Mi Kim
Clin Exp Pediatr. 1994;37(3):416-421.   Published online March 15, 1994
methemoglobinemia is an uncommon clinicl problem generally caused by inherited disorders of hemoglobin metabolism or environmental toxicity from oxidizing agents. Since methemoglobin has no oxigen carrying capacity, patient with severe methemoglobinemia may have dangerous hypoxia even when arterial oxygen tension is normal. Degree of exposure to oxidants which are benign for older individuals may produce severe methemoglobinemia in newborns. Acidosis without...
Original Article
The Changes of Fetal Hemoglobin in Preterm and Small for Gestational Age Newborn Infants
Eun Ae Park, Gyoung Hee Kim
Clin Exp Pediatr. 1993;36(7):919-927.   Published online July 15, 1993
The fetal hemoglobin, which is structurally different from adult hemoglobin, has higher affinity for oxygen and higher resistance to denaturation with alkali than adult hemoglobin. Intrauterine growth retarded neonates have highter mortality and morbidity than normal neonates. In this article, to determine the changes of fetal hemoglobin by gestational age in infants appropriate in wieght for gestational age (AGA) and to...
Measurement of Carboxyhemoglobin in the Newborns with ABO Incompatible Hyperbilirubinemia.
Jung Ae Shin, Son Moon Shin, Jeong Ok Hah, Chun Dong Kim
Clin Exp Pediatr. 1990;33(9):1188-1193.   Published online September 30, 1990
To develop more reliable screening test for ABO incompatible hemolytic disease than commonly employed and to identify possible indicators of severity of hyperbilirubinemia, a pilot study was performed by measuring the carboxyhemoglobin (HbCO) of the newborn babies within 48 hours after birth. Forty eight newborn babies were studied and carboxyhemoglobin was measured by spectro- photometry and serum bilirubin was measured by Diazo coupling method. There...
Clinical Observation of Dds Induced Methemoglobinemia.
Hee Seon Auh, Kwan Hwooy Cho, Kir Young Kim, Duk Jin Yun, Sook Pyo Kwon
Clin Exp Pediatr. 1983;26(3):257-264.   Published online March 31, 1983
Various compounds activate the oxidation of hemoglobin. These include nitrites, sulfonamides, aniline derivatives, chlorates, quinones, acetanilid and phenacetin. The striking offender has been DDS in infancy and childhood who live in Kangwon Do, Korea. The common untoward effects of DDS are hemolytic anemia and methemoglobinemia. This clinical study was carried out for analysis on 57 cases which were diagnosed as DDS induced methemoglobinemia at...
Clinical Observation of The Methemoglobinemia in Childrens.
Hak Hew Shin, Chull Kwon Chung, Myung Hi Shin, Ji Sub Oh
Clin Exp Pediatr. 1982;25(11):1131-1140.   Published online November 30, 1982
The clinical records of 28 cases with. Methemoglobinemia who were admitted to the Dept, of pediatrics, WMBH Busan from January 1978 to December 1981 were reviewed. The following results were obtained. 1) Incidence of Methemoglobinemia, was 17.8% among the all drug intoxication and seasonal incidence was peak in spring(50%). 2) The incidence was higher in boys than girls(60.7%), the highest incidence was noted in the age of 1...
Study on cord blood hemoglobin and etiology of neonatal anemia.
Chul Lee, Hae Jung Cho, Myung Ho Lee, Sook Ja Park, Young Hae Lee
Clin Exp Pediatr. 1982;25(9):906-913.   Published online September 30, 1982
Capillary samples obtained by skin prick, generally from the heel or toe, have a higher hemoglobin Concentration than simultaneously collected venous samples. So, capillary values should not be compared to previously obtained cord venous blood values when one is looking for changes in hemoglobin, concentration during the first week of life. Cord venous blood hemoglobin and hemotocrit of 309 normal newborn infants have been...
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