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Staphylococcus lugdunensis에 의한 감염성 심내막염 1예
최성호,박현구,변승운,구동회,강호석,장항제,김양수,우준희,김영휘,최상호 대한감염학회 2006 감염과 화학요법 Vol.38 No.5
Staphylococcus lugdunensis is a coagulase-negative staphylococcus (CNS) that is commonly found on the human perineal skin. Contrary to other CNS, S. lugdunensis is a rare contaminant in cultures and has the potential to cause clinically significant infections, including infective endocarditis. Infective endocarditis due to S. lugdunensis have been known to resemble endocarditis due to S. aureus because of its aggressive clinical course and high mortality. We report a case of infective endocarditis caused by S. lugdunensis in a 21-year-old woman. She was cured of the infection with surgical and antibiotic therapy. S. lugdunensis에 의한 감염성 심내막염은 국내에서보고가 없었던 매우 드물지만 다양한 합병증과 높은 사망률을 보이는 감염증이다. 저자들은 S. lugdunensis가 수술적 치료와 항생제 치료로 완치된 감염성 심내막염 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다.
폴리에스테르 모르타르용 충전재로서 금속광산 폐광미의 활용 연구
윤성진,최낙운,문경주,소양섭 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
The purpose of this study is to examine the basic properties of polyester mortars using fine tailing(FT) as a filler. The FT is obtained by centrifugal separation of tailing(TA), and checked for basic properties of shape, particle size distribution, chemical composition, resin absorption. Polyester mortars with FT and ground calcium carbonate(GC) are tested for working life, flexural and compressive strengths. The test results showed that FT has much the same properties as GC in the shape, size and resin absorption. The working life of the polyester mortars is lengthen with an increase in the filter/binder ratio. The polyester mortars with a filter/binder ratio of 1.0 have the maximum flexural and compressive strengths.
Metallo-β-lactamase 생성 Pseudomonas aeruginosa 및 포도당 비발효그람음성간균의 검출방법에 관한 연구
신경섭,김원식,손재철,홍승복,최재운,형성민 충북대학교 의과대학 충북대학교 의학연구소 2003 忠北醫大學術誌 Vol.13 No.2
연구목적: Metallo-β-lactamse (MBL)는 carbepenem를 포함하는 대부분의 β-lactam 항균제를 가수분해할 수 있으므로 MBL 생성균의 확산은 이들 균에 의한 감염의 치료에 큰 문제를 야기할 수 있다. 따라서 MBL 생성균에 의한 감염의 확산을 막기 위해 이들 균의 조기 검출이 필요하다. 저자들은 MBL 생성균을 검출할 수 있는 세 가지 방법을 PCR 방법과 비교하여 보았다. 재료 및 방법: Imipenem의 MIC가 8 μg/mL 이상인 50개의 포도당 비발효 그람음성 간균을 대상으로 EDTA-double disk synergy test (EDTA-DDS), Etest MBL, Hodge 변법을 시행하였으며 대조 검사로 IMP-1, VIM-1, VIM-2에 대한 PCR을 시행하였다. 결과: 총 50 균주 중 MBL 생성균은 Pseudomonas aeruginosa 1 균주, Alcaligenens xylosxidans 7 균주 등 8 균주(16%)가 검출되었다. 이들 균주는 모두 VIM-2 형이었으며, EDTA-DDS, Etest MBL은 PCR 방법과 100% 일치하였다. Hodge 변법은 8 MBL 생성균주 중 2 균주를 검출하지 못했다. 결론: 50 균주 중 8 균주가 MBL 생성균이었고 모두 VIM-2 형이었다. Etest MBL은 가격이 비싸 검사실에서는 EDTA-DDS가 적당할 것으로 사료된다. Purpose: Because metallo-β-lactamase (MBL) has activity to hydrolysls against most β-lactam drugs, dissemination of MBL producing bacteria may cause problems of treatment of infection by their microorganisms. Early detection or screening for MBLs will contribute to prevent further spread of resistance. Authors compared three MBL detection methods with PCR for MBLs. Materials and Methods: For 50 isolates of g1ucose nonfermentative gram negative bacilli with reduced susceptability against imipenem (MIC≥8 μg/mL), EDTA-double disk synergy (EDTA-DDS), Etest MBL and modified Hodge test were compared with PCR detection method for MBLs. Results: Among 50 isolates of glucose nonfermentative microorganisms, eight MBL producers including a Pseudomonas aeruginosa and 7 Alcaligenes xylosoxidans were detected. Those isolates were VIM-2 producer. The results of EDTA-DDS and Etest MBL completely agreed with PCR for MBL detection. Two isolates among eight MBL Producers were not detected in modified Hodge test. Conclusion: All of MBL producing bacteria were VIM-2 genotype. In conclusion, EDTA-DDS may be useful method for MBL detection in clinical laboratory due to high cost of Etest MBL strip.
Risk factors of postoperative ascites on hepatic resection for hepatocellular carcinoma
Seong Woon Choi,Woo Young Shin,Keon Young Lee,Seung Ik Ahn 한국간담췌외과학회 2016 Annals of hepato-biliary-pancreatic surgery Vol.20 No.4
Backgrounds/Aims: The aim of this study was to identify the risk factors of the development of large amounts of ascites (LA) after hepatic resection for hepatocellular carcinoma (HCC). Methods: The medical records of 137 consecutive patients who underwent hepatic resection for HCC from January 2010 to December 2014 were retrospectively reviewed. Patients were divided into two groups: LA group, with ascites drainage >500 cc per day over 3 days (n=37) and control group (n=100). Preoperative and intraoperative clinical variables were compared between the two groups. Results: Thirty-seven (27.0%) patients developed LA. Platelet counts of <100,000/mm3, ICG-R15 >10%, CTP scores of 6 or 7 points, major resection, the presence of cirrhosis, preoperative ascites, and portal hypertension were significantly more frequent in LA group. Multivariate analysis revealed that a higher CTP score (HR=4.1), the presence of portal hypertension (HR=26.7), and major resection (HR=18.5) were independent and significant risk factors of postoperative ascites development. Persistent refractory ascites developed in 6 (16.2%) patients who succumbed to hepatic failure during follow-up. Conclusions: Patients with a 6 or 7 point CTP score, major hepatic resection and/or portal hypertension were more likely to develop LA and experience deterioration of liver function after surgery. The selection of patients for hepatic resection should be based on a balanced assessment of the benefits of HCC treatment and risk of postoperative liver failure.
Complete Genome Sequence of Halalkalicoccus jeotgali B3T, an Extremely Halophilic Archaeon
Roh, Seong Woon,Nam, Young-Do,Nam, Seong-Hyeuk,Choi, Sang-Haeng,Park, Hong-Seog,Bae, Jin-Woo American Society for Microbiology 2010 Journal of Bacteriology Vol.192 No.17
<B>ABSTRACT</B><P><I>Halalkalicoccus jeotgali</I> B3<SUP>T</SUP>, isolated from salt-fermented seafood from South Korea, is an extremely halophilic archaeon belonging to the family <I>Halobacteriaceae</I>. Here, we present the complete genome sequence of the type strain <I>H. jeotgali</I> B3<SUP>T</SUP> (3,698,650 bp, with a G+C content of 62.5%), which consists of one chromosome and six plasmids. This is the first complete genome sequence of the <I>Halalkalicoccus</I> species.</P>