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1.
The Korean Journal of Internal Medicine ; : 535-542, 2016.
Artigo em Inglês | WPRIM | ID: wpr-48498

RESUMO

BACKGROUND/AIMS: Glycated hemoglobin (HbA1c) is widely used as a marker of glycemic control. Translation of the HbA1c level to an average blood glucose level is useful because the latter figure is easily understood by patients. We studied the association between blood glucose levels revealed by the oral glucose tolerance test (OGTT) and HbA1c levels in a Korean population. METHODS: A total of 1,000 subjects aged 30 to 64 years from the Cardiovascular and Metabolic Diseases Etiology Research Center cohort were included. Fasting glucose levels, post-load glucose levels at 30, 60, and 120 minutes into the OGTT, and HbA1c levels were measured. RESULTS: Linear regression of HbA1c with mean blood glucose levels derived using the OGTT revealed a significant correlation between these measures (predicted mean glucose [mg/dL] = 49.4 × HbA1c [%] - 149.6; R2 = 0.54, p < 0.001). Our linear regression equation was quite different from that of the Alc-Derived Average Glucose (ADAG) study and Diabetes Control and Complications Trial (DCCT) cohort. CONCLUSIONS: Discrepancies between our results and those of the ADAG study and DCCT cohort may be attributable to differences in the test methods used and the extent of insulin secretion. More studies are needed to evaluate the association between HbA1c and self monitoring blood glucose levels.


Assuntos
Humanos , Glicemia , Estudos de Coortes , Diabetes Mellitus , Jejum , Glucose , Teste de Tolerância a Glucose , Hemoglobinas Glicadas , Insulina , Modelos Lineares , Doenças Metabólicas
2.
Allergy, Asthma & Respiratory Disease ; : 228-231, 2015.
Artigo em Coreano | WPRIM | ID: wpr-102766

RESUMO

Eosinophilic gastroenteritis (EG) is a rare disease characterized by massive eosinophilic infiltration of gastrointestinal tissue, peripheral eosinophilia, and nonspecific gastrointestinal symptoms. The mucosal type of EG commonly presented with malabsorption and anemia. However, the role of food allergy as a stimulus to EG has not yet been clearly defined. A 27-year-old man was referred to the Emergency Department with dyspepsia and leg swelling. The initial laboratory test should as follows: hemoglobin level, 6.4 g/dL; white blood cell count, 7,400/microL with 24.4% of eosinophil fraction; serum total protein, 3.9 g/dL; albumin level, 2.8 g/dL. Gastric endoscopy ruled out gastrointestinal bleeding showed multiple nodular raised lesions on the gastric antrum, which revealed increased eosinophilic infiltration (above 100/high power field). He had experienced nausea whenever eating beef, porks or fish. High serum specific IgE levels to offending foods (beef, 0.82 kU/L; pork, 0.83 kU/L; egg white, 0.40 kU/L; egg yolk, 0.54 kU/L; milk, 0.81 kU/L) were noted. He was instructed strictly to avoid food allergens with oral prednisolone therapy. Approximately 6 months after offending food restriction, the eosinophil count fell down to 400/microL, the hemoglobin level was returned to 11.5 g/dL and the serum albumin level was increased to 4.1 g/dL. We report a case of EG caused by multiple food allergy which leads to malabsorption and iron-deficiency anemia.


Assuntos
Adulto , Humanos , Alérgenos , Anemia , Anemia Ferropriva , Dispepsia , Ingestão de Alimentos , Clara de Ovo , Gema de Ovo , Serviço Hospitalar de Emergência , Endoscopia , Eosinofilia , Eosinófilos , Hipersensibilidade Alimentar , Gastroenterite , Hemorragia , Imunoglobulina E , Perna (Membro) , Contagem de Leucócitos , Síndromes de Malabsorção , Leite , Náusea , Prednisolona , Antro Pilórico , Doenças Raras , Albumina Sérica
3.
Soonchunhyang Medical Science ; : 227-231, 2015.
Artigo em Coreano | WPRIM | ID: wpr-44725

RESUMO

The present case involves a 56-year-old woman with Cushing's disease due to pituitary macroadenoma. The patient had suffered from central obesity, general weakness for 1 year. Her serum cortisol levels were elevated throughout the observation period and the dexamethasone test failed to suppress the cortisol secretion. Plasma adrenocorticotropic hormone (ACTH) levels were significantly elevated (386 pg/mL). Sellar magnetic resonance imaging revealed a 3.1-cm pituitary tumor occupying the sellar region with extension to parasellar area. The pituitary mass was removed by transsphenoidal surgery incompletely and was pathologically identified as compatible to ACTH-producing pituitary adenoma by immunohistochemistry. Thereafter, cabergoline (1 mg/wk) was administered for the remnant adenoma, which gradually reduced ACTH levels in 7 days before starting radiation therapy. This case demonstrates the efficacy of cabergoline to treat Cushing's disease caused by pituitary macroadenoma.


Assuntos
Feminino , Humanos , Pessoa de Meia-Idade , Adenoma Hipofisário Secretor de ACT , Adenoma , Hormônio Adrenocorticotrópico , Síndrome de Cushing , Dexametasona , Hidrocortisona , Imuno-Histoquímica , Imageamento por Ressonância Magnética , Obesidade Abdominal , Neoplasias Hipofisárias , Plasma
4.
Journal of Rheumatic Diseases ; : 180-185, 2015.
Artigo em Coreano | WPRIM | ID: wpr-36844

RESUMO

Hemophagocytic lymphohistiocytosis (HLH) is a rare disorder characterized by fever, pancytopenia, hyperferritinemia, and phagocytosis of hematopoietic cells in bone marrow, liver, or lymph nodes. HLH can occur during the course of systemic lupus erythematosus (SLE), but can also be a presenting manifestation. Because development of pancytopenia occurs in less than 10 percent of SLE cases, investigation for HLH is necessary when otherwise unexplained pancytopenia persists despite adequate treatment. We experienced three cases of secondary HLH associated with SLE. Among the three patients, two patients developed HLH during the clinical course of SLE. The other patient who presented with pancytopenia was first diagnosed with HLH, and later with SLE. In her case, HLH turned out to be a presenting manifestation of SLE. We report on three successfully treated cases, and discuss the prevalence, characteristics, treatments, and prognosis of secondary HLH associated with SLE.


Assuntos
Humanos , Medula Óssea , Febre , Fígado , Lúpus Eritematoso Sistêmico , Linfonodos , Linfo-Histiocitose Hemofagocítica , Pancitopenia , Fagocitose , Prevalência , Prognóstico
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