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개의 혈청과 장기조직 및 인공유발 심근경색견의 혈청 Creatine Phosphokinase(CPK) 총활성과 CPK Isoenzyme 분획
정한영,김덕환,Jeong Han-Young,Kim Duck-Hwan 한국임상수의학회 1992 한국임상수의학회지 Vol.9 No.2
Total CPK activities and CPK isoenzymes fractions of the sera and some organ tissues of dogs were examined to acquire the basic data of canine CPK available in clinical practice. In addition fluctuation of serum total CPK activities and CPK isoenzymes fractions is artificially induced canine myocardial infarctino were investigated to know the availabity of them as indicators for the diagnosis of myocardial infarction. For the determination of serum total CPK activities, total 22 clinically healthy dogs(7 to 30 months old, 15 of female and 7 of male) were used and 15 out of 22 dogs were used for the determination of serum CPK isoenzymes fractions. For the determination of total CPK activities and CPK isoenzymes fractions. some organ tissues (the hearts, skeletal muscles and brains )from 3 dogs were examined. For the fluctuation of total CPK activities and CPK isoenzymes fractions in the sera from artificially induced canine acute myocardial infarction, 3 dogs of coronary artery ligated experimental group and 3 of control group were used. The results obtained were as follows ; 1. Serum total CPK activities of normal dogs were 106.2${\pm}$29.9(31.3∼148.1)IU/$\ell$. 2. The pattern of serum CPK isoenzymes fractions in normal dogs was high with decreasing order of CK$_1$>CK$_3$>CK$_2$. 3. Total CPK activities of organ tissues were high with decreasing order of the skeletal muscles > the hearts > the brains. 4. The pattern of CPK isoenzymes fractions of the organ tissues was high with decreasing order of CK$_3$>CK$_2$ in the hearts and only CK$_3$(100%) was detected in the skeletal muscles. Further they were high with decreasing order of CK$_1$>CK$_3$>CK$_2$ in the trains. 5. Serum total CPK activities in experimental group were changed with higher values than those of control group. 6. In the fluctuation of serum CPK isoenzymes fractions the CK$_1$ CK$_2$ and CK$_3$ values were changed with higher values than those of control group. 7. It was become clear that the finding of Increase of serum total CPK activities, and CK$_2$ and CK$_3$ was important for the diagnosis of myocardial infarction.
김규용(Kim Gyu-Yong),구경모(Koo Kyung-Mo),이의배(Lee Eui-Bae),정한영(Jeong Han-Young),길배수(Khil Bae-Su),김무한(Kim Moo-Han) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.5
The performance of concrete mainly depend upon its water-cement ratio. If water percentage is excess in concrete, it may cause the degradation of performance. Because of these reasons, the change of water content is managed by using various evaluation method of unit water content. And criterion for the change of waer content is regulated and used. However the criterion is set only considering production error and measurement error but criterion does not consider performance degradation of concrete. Therefore this study tries to investigate degradation of performance while adding extra water by artificial manipulation or management error in concrete. The contents of extra water for tests are set as 0, 20, 40, 60㎏/㎥, to examine the performance degradation of concrete, strength, shrinkage, cracks, carbonation are tested. This study conclude that, when extra water content is excess than 20㎏/㎥ in concrete, then performance level of concrete declined rapidly. So it is very important to maintain quality of concrete for its better performance.
약물유해반응의 인과관계 판정을 위한 Naranjo와 WHO-UMC 지표의 비교
손명균 ( Myoung Kyun Son ),이용원 ( Yong Won Lee ),정한영 ( Han Young Jung ),이승우 ( Seung Woo Yi ),이광훈 ( Kwang Hoon Lee ),김승업 ( Seung Up Kim ),정재헌 ( Jae Heon Jeong ),박재준 ( Jae Jun Park ),박중원 ( Jung Won Park ),홍 대한내과학회 2008 대한내과학회지 Vol.74 No.2
Background/Aims: Several criteria have been proposed to increase the objectivity, reliability and validity of causality assessment of adverse drug reactions (ADR). We compared the Naranjo probability scale and the World Health Organization-Uppsala Monitoring Centre (WHO-UMC) causality categories to evaluate the validity and clinical usefulness of these criteria. Methods: We evaluated 100 ADR cases with the Naranjo probability scale and the WHO-UMC causality categories. The Spearman rank coefficient was used to determine the correlation of these criteria. The evaluation of the ADR was categorized into four groups for the Naranjo system: definite, probable, possible, and doubtful, and six groups for the WHO-UMC: certain, probable, possible, unlikely, conditional/unclassified, and unassessable. Results: The criteria used form these two systems showed some differences when compared with the same ADR cases. The Spearman rank coefficient was 0.519 (p<0.001) and the agreement was 55% between the Naranjo probability scale and the WHO-UMC causality categories. The Naranjo probability scale includes measurements for drug concentration, objective evidence of ADR, ADR to previous exposures, responses to placebo, and the dose adjustment of drugs. However, few cases were evaluated for all of these measures. Conclusions: The Naranjo probability scale may be helpful for assessing unexpected ADRs and useful for evaluators with little experience. However, some of the items are not utilized and there are discrepancies when compared with the WHO-UMC causality criteria.