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