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서대홍 ( Dae Hong Seo ),이영수 ( Young Soo Lee ),반가영 ( Ga Young Ban ),윤문경 ( Moon Gyung Yoon ),김지혜 ( Ji Hye Kim ),신유섭 ( Yoo Seob Shin ),박해심 ( Hae Sim Park ),예영민 ( Young Min Ye ) 대한천식알레르기학회 2015 Allergy Asthma & Respiratory Disease Vol.3 No.1
Various foods can induce anaphylaxis. However, mushrooms-induced anaphylaxis has not been reported in Korea. We report a patient with past anaphylactic episode caused by mushroom ingestion, confirmed by the skin test and specific IgE antibody to mushrooms. A 17-year-old girl with asthma was referred to our department due to itchy throat, dyspnea, and urticaria within 10 minutes after ingestion of a soup containing Oyster mushrooms. She presented an itching throat after ingestion of cooked mushrooms 3 years before the visit. She had an elevated serum IgE level (205 kU/L) and was sensitized to house dust mites. Skin prick tests with mushroom extracts showed a strong positive on Oyster and King Oyster mushrooms as well as Pyogo mushroom. The specific IgE antibody to each mushroom measured by enzyme-linked immunosorbent assay showed significant positive results to Oyster and Pyogo mushroom extracts, but was negative on King Oyster mushroom. We educated her to avoid eating Oyster and Pyogo mushrooms for preventing recurrence, whereas we couldn’t perform oral challenge tests
서대홍,임홍섭,김충기,이겸철,조용구,정승수,심영웅,송갑영 대한감염학회 1998 감염 Vol.30 No.2
우상복부 동통, 발열과 오한 그리고 의식 둔화를 주소로 내원한 당뇨 환자에서 Klebsiella pneumoniae에 의한 가스형성 간농양을 균배양 검사를 통하여 진단하고 항생제 투여와 경피적 농양 배액술을 통해 증상의 호전을 보인 1례를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. Gas-forming pyogenic liver abscess is an uncommon, life-threatening, necrotizing infection that is usually found in poorly-controlled diabetic patients. Herein, we report a case of gas-forming liver abscess caused by Klebsiella pneumoniae, as proven by aspirated pus culture, in a 70-year old woman with diabetes mellitus. The patient was successfully managed with broadspectrum antibiotics and transhepatic percutaneous drainage and was discharged after 3 weeks of hospitalization. In conclusion, strict control of diabetes mellitus is the most important factor in the prevention of gas-forming pyogenic liver abscess.
서대홍 ( Dae Hong Seo ),이원석 ( Won Suk Lee ) 한국정보처리학회 2007 한국정보처리학회 학술대회논문집 Vol.14 No.1
실시간에 지속적으로 방대하게 생성되는 데이터 스트림에서의 데이터 마이닝은 빠른 처리시간 및 낮은 메모리 사용량을 요구한다. 이러한 데이터 스트림에서의 데이터 마이닝은 전체 데이터에 대한 분석 보다는 사용자가 관심을 갖는 영역에 대한 마이닝에 초점이 맞추어져 있어, 사용자 관심영역에 대한 분석 데이터 탐색을 필요로 한다. 이에 본 논문에서는 기존의 분석 데이터 탐색 기법인 빙산 질의 및 상위-k 질의에 대하여 알아보고, 이를 보완하기 위한 확률에 기반한 데이터 탐색법인 확률기반 빙산 질의를 제안한다.
서대홍(Dae Hong Seo),양우석(Woo Sock Yang),이원석(Won Suk Lee) 한국정보과학회 2008 정보과학회논문지 : 데이타베이스 Vol.35 No.4
Data cube, which is multi-dimensional data model, have been successfully applied in many cases of multi-dimensional data analysis, and is still being researched to be applied in data stream analysis. Data stream is being generated in real-time, incessant, immense, and volatile manner. The distribution characteristics of data are changing rapidly due to those characteristics, so the primary rule of handling data stream is to check once and dispose it. For those characteristics, users are more interested in high support attribute values observed rather than the entire attribute values over data streams. This paper propose dynamic data cube for applying data cube to data stream environment. Dynamic data cube specify user’s interested area by the support ratio of attribute value, and dynamically manage the attribute values by grouping each other. By doing this it reduce the memory usage and process time. And it can efficiently shows or emphasize user’s interested area by increasing the granularity for attributes that have higher support. We perform experiments to verify how efficiently dynamic data cube works in limited memory usage. OLAP의 다차원 데이타 모델인 데이타 큐브는 많은 다차원 데이타 분석에 성공적으로 적용되었으며, 데이타 스트림 분석에도 적용하려는 많은 연구가 진행되고 있다. 데이타 스트림은 실시간에 지속적으로 방대하게 생성되며, 데이타의 분포적 특성이 빠르게 변한다는 특징을 가지며, 제한된 메모리 및 처리능력 때문에 한번만 검사하여 처리하는 것을 기본으로 한다. 때문에 데이타 스트림을 메모리에 모두 저장하는 것은 불가능하다. 또한 사용자는 모든 속성 값에 대하여 관심을 두기 보다는 일정 지지율 이상을 가진 속성 값에 더욱 관심을 가지게 된다. 본 논문에서는 이러한 데이타 스트림 환경에서 데이타 큐브를 효과적으로 적용하기 위한 동적 데이타 큐브를 제안한다. 동적 데이타 큐브는 속성 값의 지지율에 따라 사용자 관심 영역을 지정하고, 속성 값을 동적으로 그룹화하여 관리한다. 이를 통해 메모리 및 처리시간을 절약하게 된다. 또한 동적으로 지지율이 높은 속성에 대한 분석 상세도를 높여주기 때문에 사용자의 관심영역을 효과적으로 보여준다. 마지막으로 실험을 통하여 제한된 메모리에서 동적 데이타 큐브가 효율적으로 동작함을 검증하였다.
국내 단일 병원 의료관계자들의 아나필락시스 인지도 조사
서대홍 ( Dae Hong Seo ),예영민 ( Young Min Ye ),김수진 ( Su Chin Kim ),반가영 ( Ga Young Ban ),김지혜 ( Ji Hye Kim ),신유섭 ( Yoo Seob Shin ),박해심 ( Hae Sim Park ),이수영 ( Soo Young Lee ) 대한천식알레르기학회 2016 Allergy Asthma & Respiratory Disease Vol.4 No.2
Purpose: Anaphylaxis is a rapidly progressive allergic reaction that requires precise recognition and immediate management. However, health care providers, awareness of anaphylaxis has not been acknowledged. The aim of this study is to investigate the extent of knowledge and principal management skills on anaphylaxis among medical personnel and students. Methods: We performed a questionnaire survey on knowledge, education, and managing skills for anaphylaxis to physicians, nurses, health personnel, and medical students in Ajou University Medical Center, from 26 June to 31 October, 2014. The survey contained 2 main sections: questions about demographic data and 2 types of questionnaire (type I for all participants and type II for only medical staffs) for self-assessment on anaphylaxis. Results: A total of 1,615 participants (128 doctors, 828 nurses, 436 students, and 223 health personnel) completed the survey. For questionnaire I, the percentages of correct answers in doctors, nurses, medical students, and health personnel were 77.5%, 56.4%, 47.8%, and 28.0% respectively, showing significant differences between groups (P<0.001). For questionnaire II, 93% of doctors and 75.6% of nurses indicated epinephrine as the drug of choice, and 79.7% of doctors and 71.3% of nurses selected the correct intramuscular route. More than 3 quarters of the doctors (80.5%) selected epinephrine within the first 5 steps of treatment, but only 48% included epinephrine within the first 3 steps. Conclusion: Our study showed considerable lack of knowledge on anaphylaxis among health care providers, especially on the specific management steps of anaphylaxis. As significant gaps on overall knowledge of anaphylaxis were observed between different groups of medical personnel, regular education should be implemented for each department in the health care setting. (Allergy Asthma Respir Dis 2016;4:133-139)