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폐쇄망에서의 안전하고 효율적인소프트웨어 패키지 관리 방안
안건희,안상혁,임동균,정수환,김재우,신영주 한국정보처리학회 2022 정보처리학회논문지. 컴퓨터 및 통신시스템 Vol.11 No.4
In this paper, we present important factors and methodologies that we have to follow for secure and efficient package managementsystems in a closed network. By analyzing previous works, we present several security considerations for the existing package managementsystems. Based on the consideration, we propose guidelines regarding the use of package management systems in the closed network. More specifically, we propose the development of new package management tools, utilization of physical storage media, utilization oflocal backup repositories, package updates, and downgrade batches for secure and efficient package management. 본 연구는 폐쇄망에서 효율적이고 안전하게 패키지 관리 시스템을 사용하기 위해서 고려해야 할 할 중요 요소들과 그 방법론 들을 제시하는것을 목적으로 한다. 관련 선행 연구의 분석을 통해 기존 패키지 관리에서 보안성을 위해 고려해야 할 사항들을 살펴보고, 이를 바탕으로 폐쇄망이라는 특수한 상황에서 고려해야 할 세부 방법들을 제안한다. 구체적으로, 새로운 패키지 관리 도구의 개발, 물리적 저장매체 활용, 로컬 백업 저장소활용, 패키지 업데이트 및 다운그레이드 일괄 처리의 방법을 제안한다.
혈액종양 ; 신경섬유종증 환자에서 종격동과 복강 내 양측을 침범한 총상 신경섬유종 1예
안건희 ( Gun Hee An ),전병연 ( Byung Yeon Jun ),정미향 ( Mi Hyang Jung ),정희경 ( Hee Kyoung Jeong ),진종률 ( Jong Yul Jin ),이기현 ( Kee Hyun Lee ) 대한내과학회 2010 대한내과학회지 Vol.79 No.4
총상 신경섬유종(Plexiform neurofibromatosis)은 슈반세포(Schwann`s cell)에서 발생하며 조직학적으로 양성이고 비피 막성이며 경계가 불명확한 신경초 종양이다. 국내에서 종격동과 복강 내에서 동시에 발견된 신경섬유종증 환자에 대해 보고된 바 없어, 이에 저자들은 문헌고찰과 함께 본 증례를 보고하는 바이다. 환자는 신경섬유종증을 확진시키는 피부병변과 함께 흉부와 복부 CT에서 거대하고 균질한 융합성 종괴가 관찰되었고, 조직검사를 통해 종격동과 복강 내에 동시에 퍼져 있는 총상 신경섬유종임을 진단할 수 있었다. 본 증례에서는 특이증상이 없어 외래에서 추적관찰하기로 하였으나 향후 악성 종양의 가능성이 있으므로 주의깊은 추적관찰이 필요할 것이다. Plexiform neurofibroma is a benign proliferation that arises from the peripheral nerves and represents one of the diagnostic features of neurofibromatosis type I (NF-1). They are commonly found in the gastrointestinal tract, and intrathoracic neurofibroma is relatively uncommon. Ultimately, this tumor grows along the length of any single nerve and may involve multiple fascicles or branches of major nerves. Here, we report a case of multiple-site plexiform neurofibromas in a 40-year-old man previously diagnosed with NF-1. Although he had no perceptible symptoms, contrast-enhanced CT revealed massive diffuse neurofibromas that involved the mediastinum, periportal region, retroperitoneal space, and the mesentery. Histopathological studies of the neck, skin, and intra-abdominal soft tissue showed loose spindle cells and collagen bundles. The microscopic appearance was typical of a plexiform-type neurofibroma. It was decided that we would observe the patient without surgical management, because the neurofibromas were asymptomatic. (Korean J Med 79:443-447, 2010)
경막 내 colistimethate 투여로 치료한 다제 내성 Acinetobacter baumannii 뇌실염
홍유아,안건희,이현정,윤승배,유진홍,김진진,모은영,정희경,김진석,정미향 대한감염학회 2009 Infection and Chemotherapy Vol.41 No.4
Acinetobacter species is a non-fermentative aerobic gram-negative coccobacillus that is an important pathogen found in nosocomial infections. Recently, multi-drug resistant Acinetobacter baumannii (MDR-AB) infections have been increasing and pose a serious problem. Most such infections present as bacteremia, pneumonia, or a wound infection; however, CNS infections are very rare. We herein present a case of ventriculitis caused by MDR-AB in a 37-year old man after a neurosurgical intervention. The patient was successfully treated with intrathecal colistimethate.
박찬석,안건희,김영운,박윤정,김미정,조은주,임상현,정해억,김희열,전희경,윤호중,김재형 한국심초음파학회 2011 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.19 No.4
Background: Non-dippers were reported as showing different left atrial function, compared to dippers, but no study to date investigated the changes in the left atrial function according to the diurnal blood pressure pattern, using tissue Doppler and strain imaging. Methods: Forty never treated hypertensive patients between 30 and 80 years of age were enrolled in this study. Patients were classified as non-dippers when, during night time, they had a blood pressure decrease of less than 10%. Strain of the left atrium was measured during late systole, and peak strain rates of the left atrium were measured during systole, early and late diastolic periods. Results: The left atrial expansion index, left atrial active emptying volume and left atrial active emptying fraction were all significantly increased in non-dippers. They also had increased values of mean peak left atrial strain (dippers = 21.26 ± 4.23% vs. non-dippers = 24.91 ± 5.20%, p = 0.02), strain rate during reservoir (dippers = 1.29 ± 0.23 s-1 vs. non-dippers =1.52 ± 0.27 s-1,p = 0.01) and contractile period (dippers = -1.38 ± 0.24 s-1 vs. non-dippers = -1.68 ± 0.32 s-1, p < 0.01). Conclusion: Strain and strain rate acquired from color Doppler tissue imaging demonstrate exaggerated reservoir and booster pump function in never-treated, non-dipper hypertensive patients. These methods are simple and sensitive for the early detection of subtle changes in the left atrial function.
경막 내 colistimethate 투여로 치료한 다제 내성 cinetobacter baumannii 뇌실염
홍유아,유진홍,김진진,모은영,안건희,정희경,김진석,이현정,정미향,윤승배 대한감염학회 2009 감염과 화학요법 Vol.41 No.4
Acinetobacter species is a non-fermentative aerobic gram-negative coccobacillus that is an important pathogen found in nosocomial infections. Recently, multi-drug resistant Acinetobacter baumannii (MDR-AB) infections have been increasing and pose a serious problem. Most such infections present as bacteremia, pneumonia, or a wound infection; however, CNS infections are very rare. We herein present a case of ventriculitis caused by MDR-AB in a 37-year old man after a neurosurgical intervention. The patient was successfully treated with intrathecal colistimethate.