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비결핵성 항산균증과 유사한 방사선학적 소견을 보이는 환자에서 Segniliparus rugosus가 동정된 첫 증례
최선미 ( Sun Mi Choi ),강효재 ( Hyo Jae Kang ),정윤정 ( Yun Jeong Jeong ),임주현 ( Joo Hyun Kim ),최원석 ( Won Seok Choe ),황상현 ( Sang Hyun Hwang ),박진경 ( Jin Kyeong Park ),황보빈 ( Bin Hwang Bo ),이희석 ( Hee Seok Lee ) 대한결핵 및 호흡기학회 2012 Tuberculosis and Respiratory Diseases Vol.72 No.1
In 2005, a group of mycolic acid-containing bacteria was characterized as belonging to a novel genus, Segniliparus with species Segniliparus rugosus and S. rotundus. We report a case of the S. rugosus isolated from a 54-year-old woman with radiologic features mimicking that of non-tuberculous mycobacteriosis (NTM). When the patient first visited our hospital, an acid-fast bacteria (AFB) smear tested positive and Mycobacterium tuberculosis polymerase chain reaction (TB PCR) was negative in the bronchoalveolar lavage sample. After 2 months, the growing colonies were reported as NTM, but could not be identified because they had died. One year after the initial visit, induced sputum samples showed the same results, positive AFB smear and negative TB PCR. At this point, the growing colonies were identified as S. rugosus. Therefore, we should consider Segniliparus genus as a differential diagnosis for AFB in respiratory specimens in addition to the genus Mycobacterium.
조성준 ( Sung-jun Jho ),강효재 ( Hyo-jae Kang ),김학영 ( Hark-young Kim ),이도현 ( Do-hyeon Lee ),이승주 ( Seung-joo Lee ),송준영 ( Jun-young Song ),황영섭 ( Young-sup Hwang ) 한국정보처리학회 2012 한국정보처리학회 학술대회논문집 Vol.19 No.1
파일관리 시스템은 운영체제와 네트워크의 변천에 따라 다양한 변화를 가져왔다. 클라우드 서비스는 사용자가 효과적으로 파일 관리를 할 수 있도록 다양한 기능이나 새로운 파일 관리 방법을 제공하고 있다. 개인용 윈도우 역시 시대의 변화에 맞추어 다양한 기능을 제공하고 있지만 기본적인 폴더 시스템은 변화하지 않았다. 특히 파일의 분류가 애매한 경우 개인용 윈도우에서는 편리하게 이러한 파일을 분류하거나 관리할 방법을 제공해주고 있지 않다. 개인용 윈도우에 서도 더 효과적으로 파일을 관리할 수 있도록 다양한 파일 관리 방법을 제공하도록 파일 관리 시스템을 개선한다. 본 프로젝트는 사용자 편의성을 높여주기 위하여 윈도우에서 제공되지 않는 카테고리나, 태그와 같은 개념을 도입하여 사용자의 파일관리나 검색 등을 쉽고 빠르게 할 수 있도록 도우며, 파일의 공유 및 보안을 쉽게 할 수 있는 기술 요소를 제공한다. 개선된 파일 관리 시스템의 필수요소인 보안 시스템과 검색 시스템 및 효과적인 파일 분류 시스템을 지원하는 프로토타입을 구현하고 소개한다.
약제 감수성 폐결핵 환자의 초 치료 중 발생한 다제내성 결핵
정윤정 ( Yun Jeong Jeong ),강효재 ( Hyo Jae Kang ),최선미 ( Sun Mi Choi ),한성구 ( Sung Koo Han ),임재준 ( Jae Joon Yim ) 대한내과학회 2012 대한내과학회지 Vol.82 No.5
Standard short-course chemotherapy (SSC) is recommended for new patients with pulmonary tuberculosis (TB). This approach has been regarded as among the most effective tools for preventing the development of resistance to anti-TB drugs. We report on the development of multidrug-resistance during SSC in a patient with drug-susceptible TB. Isoniazid, rifampin, pyrazinamide, and ethambutol were started, and negative culture conversion was obtained. Ethambutol was discontinued after 5 weeks of treatment due to visual dysfunction, and pyrazinamide was discontinued after a 2-month phase of intensive treatment. However, M. tuberculosis was cultivated from sputum collected after 9 weeks of treatment. Drug-susceptibility testing revealed resistance to isoniazid, rifampin, ethambutol, and rifabutin. Given that the patient took medication regularly, this observation suggests the possibility that some patients acquire drug resistance during SCC. (Korean J Med 2012;82:614-617)
호흡기 내과계 중환자실 전공의 수와 중환자실 사망률의 관련성
이병준 ( Byoung Jun Lee ),이창훈 ( Chang Hoon Lee ),김덕겸 ( Deog Kyeom Kim ),김경희 ( Kyoung Hee Kim ),김은선 ( Eun Sun Kim ),박태연 ( Tae Yun Park ),정근범 ( Keun Bum Chung ),강효재 ( Hyo Jae Kang ),정윤정 ( Yun Jeong Jeong ) 대한내과학회 2010 대한내과학회지 Vol.79 No.2
Background/Aims: The treatment outcome of patients hospitalized in intensive care units (ICUs) can be influenced by physician factors, including both intensivists and resident physicians. We evaluated the association between the number of residents who are exclusively responsible for the ICU and the mortality rate in a medical ICU. Methods: The data obtained from an open medical ICU in a teaching hospital from Jan. 2005 to Dec. 2009 were analyzed retrospectively. We evaluated the associations between the ICU mortality rate and both the number of resident physicians and the number of patient-days per resident physician using multivariate Poisson regression analysis adjusted for year and month. Results: The months with fewer than two residents tended to have a higher ICU mortality rate, although this difference was not significant in the univariate analyses. Multivariate Poisson regression analysis showed that months with fewer than two residents had a significantly higher ICU mortality rate compared with months with two residents (incidence risk ratio (IRR) 1.59, 95% confidence interval (CI) 1.05-2.41; p=0.029). The number of ICU patient-days per resident physician was not associated with the ICU mortality rate (IRR; 1.00, 95% CI, 0.99-1.01; p=0.649). Conclusions: The presence of fewer than two residents exclusively responsible for the medical ICU was an independent risk factor of a higher ICU mortality rate. However, no association was found between the number of ICU patient-days per resident physician and the ICU mortality rate. (Korean J Med 79:155-162, 2010)