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엄태현,신보문 인제대학교 2000 仁濟醫學 Vol.21 No.2
Objectives: Antibody screening test is done for the safer transfusion with minimization of transfusion reaction. We authors evaluated the clinical usefulness of the test by analyzing data of 4789 patients from April 1997 to April 1999 in Seoul Paik Hospital. Methods and Materials: Tube method was performed including saline room tempera Inure, 37℃ albumin, and antiglobulin phase for the antibody screening test using Sur giscreen (Ortho-Clinical Diagnostics, USA). The frequency of unexpected antibodies and its specificity are determined. The amount of blood transfusion and hemolytic transfuion reaction are analyzed by patient chart review. Results: Thirty six patients(0.75%) had the unexpected antibody(ies), with the frequency of anti-Lewis 50%, anti-Rhesus 21.4%, anti-Pl 21.4%, and anti-Hi 7%. RBC blood products were transfused to 9 patients after crossmatching including antiglobulin phase, without any hemolytic transfusion reaction. Conclusions: We concluded that antibody screening test should be done as a pretransfuion test for the safe and rapid RBC transfusion in non-emergency cases.
엄태현,조종래 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.3
Objective : ADVIA?? 1650(Bayer Inc., NY, USA) is an automated chemistry analyzer introduced into Korea in 1999. We evaluated the performance of ADVIA 1650 for precision, linearity, recovery, and compared it with CX7 autoanalyzer(Bookman Instruments, Inc., CA. USA). Methods and Materials : We used pool serum and commercial qualify control materials, such as Control 1 and Control 2(Bayer Inc., NY, USA). A total of 22 test items, such as glucose, blood urea nitrogen(BUN), creatinine, uric acid, total protein, albumin, aspartate aminotransferase(AST), alanine aminotransferase(ALT), alkaline phsphatase(ALP), total bilirubin, choesterol, triglyceride(TG), phosphorus(P), magnesium(Mg), creatine kinase(CK), lactate dehydrogenase(LD). ?-glutamyl transferase(GGT), amylase, sodium(Na), potassium(K), and chloride(Cl) were evaluated. Results : Within-run coefficients of variations(CVs) of all test items except total bilirubin were less than 5%. Between-day CVs were less than 5% except creatinine, AST, ALT, total bilirubin. All test items showed good linearity with CVs higher than 0.99. Recovery rates were in the range of 90% to 106%. The correlations with CX7 were good with CVs higher than 0.97 in most of the test items, except creatinine, total protein and sodium, which showed CVs lower than 0.90. Conclusion : We think that ADVIA 1650 is a useful automatic chemistry anaylzer for high-volume laboratories.
엄태현,조종래 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.3
Objectives: There have been debates on the relationship between ABO blood groups and infectious diseases. It is known that blood type A has the tendency to have staphylococcus aureus bacteremia. We investigated this relationship in Koreans. Methods and Materials: We analysed the ABO blood groups in the bacteremia patients in Ilsan Paik hospital, from January 2000 to March 2001. The number of patients with S. aureus bacteremia is 30, coagulase negative Staphylococcus(CNS) 40, Escherichia coli 21, and blood culture negatives(BN) 104. We used the distribution of ABO blood groups of 1,018 patients as the control, for whom ABO blood typings were done in blood bank during December 2000. Results: The frequencies of blood group A, B, O and AB in blood bank controls were 32%, 28%, 28%, and 13%, respectively. For S. aureus bacteremia, they were 20%, 43%, 20%, and 17%; for CNS, 45%, 35%, 15%, and 5%; for E. coli, 24%, 24%, 43%, and 10%, respectively. For BN, they were 35%, 27%, 23%, and 15%, respectively. There were no statistically significant differences in ABO blood groups between control and each bacteremia including BN. But there was the tendency that CNS group had higher frequency of blood type A and lower frequency of blood type O. Conclusions: We concluded that there is no significant relationship between ABO blood groups and bacteremia, but can not deny its presence because of the room for further studios.
Plasmodium falciparum 말라리아와 동반된 혈구탐식증후군 1례
엄태현,조종래 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.3
Hemophagocytic syndrome(HPS) associated with malaria, Plasmodium falciparum has not been reported in Korea, although various infectous agents. such as virus, bacteria and fungus have been documented to be associated with HPS. We authors describe a 50-year old male patient with P. falciparum malaria. complicated by HPS. The patient visited emergency department with high fever, chill and mild splenomegaly. He had the history of malaria infection while living in Kenya 2 years ago Peripheral blood smear showed red blood cells infected with the ring forms and sausage-shaped gametocytes of p. falciparum. Bone marrow smear revealed proliferation of mature macrophages with hemophagocytosis of tri-lineage blood cells. The fever and chill disappeared after quinine and mefloquine treatment. Anemia and thrombocytopenia were recovered.
Structure Characteristic Change by the Addition of Polyvinyl Alcohol in γ-alumina
엄태현,이예린,엄명헌 한국공업화학회 2020 한국공업화학회 연구논문 초록집 Vol.2020 No.-
본 연구에서는 졸-겔 방법에 의해 Aluminum isopropoxide(AIP)을 출발물질로 하여 Polyvinyl Alcohol (PVA, )를 첨가하였으며 가수분해로 boehmite 졸을 만들고 이 졸을 건조 및 하소 시켜 γ-알루미나를 제조 하였다. 이때의 PVA의 함량, 반응시간, 하소온도를 달리하여 제조된 알루미나를 X선 회절 분석(XRD), 고분해능 전자 주사현미경(FE-SEM), 열중량 분석기(TG/DTA)로 관찰해본 결과 600℃의 하소온도, 8g의 PVA함량, 10시간의 반응시간에서 가장 작은 나노크기의 γ-알루미나가 생성되었으며 PVA를 첨가하면 나노입자 형성에 도움을 주며 입자의 응집을 방지해주는 것을 확인할 수 있었으며 PVA의 함량에 따라 γ-알루미나의 제조공정 중 입자크기 제어가 가능할 것으로 사료된다.
1989년 민주화 혁명 이후 루마니아어에 나타난 전문용어의 변화 양상 - 법률용어를 중심으로 -
엄태현 아시아중동부유럽학회 2002 동유럽발칸학 Vol.4 No.1
Aspects of Terminological Changes in Romanian Language After 1989 Revolution: Focused on Legal TerminologyOum, Tae-Hyun