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Yu, K‐,H.,Hong, K‐,S.,Lee, B‐,C.,Oh, M‐,S.,Cho, Y‐,J.,Koo, J‐,S.,Park, J‐,M.,Bae, H‐,J.,Han, M‐,K.,Ju, Y‐,S.,Kang, D‐,W.,Appelros, P. Blackwell Publishing Ltd 2011 Acta neurologica Scandinavica Vol.123 No.5
<P>Yu K‐H, Hong K‐S, Lee B‐C, Oh M‐S, Cho Y‐J, Koo J‐S, Park J‐M, Bae H‐J, Han M‐K, Ju Y‐S, Kang D‐W, Appelros P, Norrving B, Terent A. Comparison of 90‐day case‐fatality after ischemic stroke between two different stroke outcome registries using propensity score matching analysis. Acta Neurol Scand: 2011: 123: 325–331. © 2010 John Wiley & Sons A/S.</P><P><B>Background – </B> It has not been clarified whether the disparity in ischemic stroke outcome between populations is caused by ethnic and geographic differences or by variations in case mix. Propensity score matching (PSM) analysis can overcome some analytical problems but is rarely used in stroke outcome research. This study was to compare the ischemic stroke case‐fatality between two PSM cohorts of Sweden and Korea.</P><P><B>Methods – </B> Prognostic variables related to baseline characteristics and stroke care were included in our PSM model. Then, we selected 7675 Swedish and 1220 Korean patients with ischemic stroke from each stroke registers and performed one‐to‐one matching based on propensity scores of each patient.</P><P><B>Results – </B> After PSM, all measured variables were well balanced in 1163 matched subjects, and the 90‐day case‐fatality was identical 6.2% (HR 0.997, 95%CI 0.905–1.099) in Sweden and Korea.</P><P><B>Conclusions – </B> No difference is found in the 90‐day case‐fatality in propensity score‐matched Swedish and Korean patients with ischemic stroke.</P>
Jung, W. H.,Kang, D.‐,H.,Han, J. Y.,Jang, J. H.,Gu, B.‐,M.,Choi, J.‐,S.,Jung, M. H.,Choi, C.‐,H.,Kwon, J. S. Blackwell Publishing Ltd 2011 Acta psychiatrica Scandinavica Vol.123 No.5
<P>Jung WH, Kang D‐H, Han JY, Jang JH, Gu B‐M, Choi J‐S, Jung MH, Choi C‐H, Kwon JS. Aberrant ventral striatal responses during incentive processing in unmedicated patients with obsessive–compulsive disorder.</P><P><B>Objective: </B> Obsessive–compulsive disorder (OCD) is characterized by the dysfunction of control and reward mechanisms. However, only few neuroimaging studies of OCD have examined the reward processing. We examined the neural responses during incentive processing in OCD.</P><P><B>Method: </B> Twenty unmedicated patients with OCD and 20 age‐, sex‐, and IQ‐matched healthy controls underwent functional magnetic resonance imaging while performing a modified monetary incentive delay task.</P><P><B>Results: </B> Compared with controls, patients with OCD showed increased ventral striatal activation in the no‐loss minus loss outcome contrast and a significant positive correlation between the ventral striatal activation and compulsion symptom severity. In addition, patients with OCD showed increased activations in the frontostriatal regions in the gain minus no‐gain outcomes contrast. During loss anticipation, patients with OCD showed less activations in the lateral prefrontal and inferior parietal cortices. However, during gain anticipation, patients with OCD and healthy controls did not differ in the ventral striatal activation.</P><P><B>Conclusion: </B> These findings provide neural evidence for altered incentive processing in unmedicated patients with OCD, suggesting an elevated sensitivity to negatively affect stimuli as well as dysfunction of the ventral striatum.</P>
COLD PERFORMANCE OF VARIOUS BIODIESEL FUEL BLENDS AT LOW TEMPERATURE
J.-K. KIM,E. S. YIM,C. H. JEON,C.-S. JUNG,B. H. HAN 한국자동차공학회 2012 International journal of automotive technology Vol.13 No.2
This study examines the cold performance of biodiesel blends in a passenger car and a light duty truck at -16 oC and -20 oC. Six different types of biodiesels derived from soybean oil, waste cooking oil, rapeseed oil, cottonseed oil, palm oil and jatropha oil were blended with different volume ratios (B5 (5 vol. % biodiesel - 95 vol. % diesel), B10 and B20). The cold filter plugging point (CFPP) and the cloud point had an effect on the startability and driveability of both the passenger car and the light duty truck. The startability and driveability of the passenger car with all biodiesel blends (B5) were generally good at -20 oC. In the light duty truck, biodiesel blends (B10 and B20) of soybean, waste cooking, rapeseed and jatropha tended to be good at -20 oC in the startability and driveability tests than the biodiesel blends (B10 and B20) of cottonseed and palm. In particular, the palm biodiesel blend (B10) failed at -20 oC, and the palm biodiesel blend (B20) also failed at -16 oC in the startability test. The cold flow properties of biodiesel dictate that the length of the hydrocarbon chains and the presence of unsaturated structures significantly affect the low temperature properties of biodiesel.
JEON, B.Y.,LEE, H‐,Y.,PARK, E‐,C.,CHOI, K.S.,JUN, J.K.,KIM, Y.,HAN, M.A.,YOON, N‐,H.,KIM, E.J.,JEON, S.M. Blackwell Publishing Ltd 2011 European journal of cancer care Vol.20 No.6
<P>JEON B.Y., LEE H‐Y., PARK E‐C., CHOI K.S., JUN J.K., KIM Y., HAN M.A., YOON N‐H., KIM E.J. & JEON S.M. (2011) <I>European Journal of Cancer Care</I><B>20</B>, 803–809</P><P><B>Satisfaction with mammography in the National Cancer Screening Programme participants of age 40s in Korea</B></P><P>The aim of this study was to evaluate satisfaction with the National Cancer Screening Programme of mammography in Korea and to examine the association between subscales of satisfaction and general satisfaction. We conducted a cross‐sectional telephone survey for women who had obtained a National Cancer Screening Programme mammographic screening at general hospitals between May and October 2008. The present study included 2005 women in their forties. We performed multivariate linear regression using dependent variable as general satisfaction and independent variables as subscales of satisfaction, such as pre‐screening information transfer, staff interpersonal skills, physical surroundings and results reporting. Participants were stratified according to the result of their mammogram as negative or positive. Mean score of satisfaction was above 2.5 of 4 for all subscales. Women who received positive results were less satisfied with all of subscale factors. Staff interpersonal skills were the most important factor that contributed to general satisfaction. Future efforts such as staff training programme of communication/attitude skills, ensuring privacy and explanation of possible discomfort of the screening would be needed.</P>
Kim, J.H.,Kim, Y.H.,Han, J.H.,Lee, K.B.,Sheen, S.S.,Lee, J.,Soh, E.Y.,Park, T.J. W. B. Saunders Co ; Centrum Philadelphia 2012 Human pathology Vol.43 No.8
Papillary thyroid carcinoma is the most common type of thyroid malignancy, and CD56, a neural cell adhesion molecule, is typically down-regulated in almost all cases of papillary thyroid carcinoma. Homeobox B9 is a transcription factor, belongs to the products of the homeobox transcription factor gene family, and has been known to regulate transcription of CD56 and to promote tumorigenicity and metastasis in some malignancies. In this study, we investigated the expression and relation of homeobox B9 to reduced expression of CD56 in papillary thyroid carcinomas and also a relationship between their expression and clinicopathologic parameters. Therefore, we performed CD56 and homeobox B9 immunohistochemical staining on 72 papillary thyroid carcinomas and Western blotting on 31 papillary thyroid carcinomas. CD56 protein staining revealed that it was reduced or absent in 65 papillary thyroid carcinomas (90.3%) and was related to silencing of homeobox B9 (77.8%) (P = .003). The loss of homeobox B9 expression was associated with extrathyroidal extension (P = .002), pathologic stage of tumor (P = .01), and age older than 45 years (P = .032). However, the CD56 staining did not reveal any significant relationship with clinicopathologic features (P > .05). In conclusion, reduced expression of CD56 is associated with homeobox B9 in papillary thyroid carcinomas. Furthermore, silencing of homeobox B9 is more common in older age and is linked to extrathyroidal extension and advanced pathologic stage of papillary thyroid carcinoma.
HBeAg양성인 만성 B형 간염 환자에서 alpha-interferon치료후 반응형태와 장기적 결과, 그리고 lamivudine의 가치
김현영 ( H. Y. Kim ),김성훈 ( S. H. Kim ),윤병철 ( B. C. Yoon ),이상욱 ( S. O. Lee ),한병훈 ( B. H. Han ) 대한소화기학회 2002 대한소화기학회 춘계학술대회 Vol.2002 No.-
<목적> HBeAg 양성 만성 B형 간염환자에서 alpha-interferon과 lamivudine의 효과 판정기준과 장기적 효과에 대한 연구는 아직까지도 제한적이다. 이에 연자들은 HBeAg 양성인 만성 B형 간염 환자들에서 alpha-interferon의 장기적 효과와 효과판정 기준, 그리고 치료 실패 군에서 lamivudine의 가치를 확인하기 위해서 다음과 같은 연구를 시행하였다. <방법> HBeAg양성 만성B형간염으로 진단받고 alpha-int
Park, J. Y.,Han, S. H.,Lee, J. H.,Han, Y. S.,Lee, Y. S.,Rong, X.,McSpadden Gardener, B. B.,Park, H.-S.,Kim, Y. C. American Society for Microbiology 2011 Journal of Bacteriology Vol.193 No.23
<P>Pseudomonas putida B001 is a rhizobacterium that was isolated on the basis of its abilities to grow under low-nutrient conditions and induce systemic resistance against bacterial, fungal, and viral diseases of plants. Here we report the draft genome sequence and automatic annotation of strain B001. Comparison of this sequence to the sequenced genome of P. putida KT2440 points to a subset of gene functions that may be related to the defense-inducing functions of B001.</P>