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증례보고 : 경식도 심초음파로 흉부 하행대동맥에서 발견된 심방중격 폐쇄장치 (Amplatzer septal occluder)
최대기 ( Dae Kee Choi ),윤선경 ( Sun Kyung Yoon ),진지현 ( Ji Hyun Chin ),하승일 ( Seung Il Ha ),이은호 ( Eun Ho Lee ),최인철 ( In Choel Choi ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.56 No.4
Percutaneous device closure of atrial septal defect (ASD) has proven to be safe and effective, and become a widely accepted option to the surgical repair. However, the embolization of Amplatzer septal occluder (ASO) occurs in about 0.55% to 3.5% of cases, regardless of ASD size, device size, or the physician`s expertise. We report a case of embolization of an ASO into the thoracic descending aorta, successfully removed through a surgical approach. (Korean J Anesthesiol 2009;56:453~6)
Anti-LKM1 양성 자가면역 간염에서 병발한 전신홍반루프스 1예
최대한 ( Dae Han Choi ),김해경 ( Hae Kyung Kim ),박태일 ( Tae Il Park ),전병민 ( Byung Min John ),강성환 ( Sung Hwan Kang ),이윤석 ( Yoon Serk Lee ),김태현 ( Tae Hyun Kim ),이우주 ( Uh Joo Lee ),이태승 ( Tae Seung Lee ),윤귀옥 ( G 대한소화기학회 2008 대한소화기학회지 Vol.51 No.3
Overlap of autoimmune hepatitis and systemic lupus erythematosus (SLE) is a comparatively rare condition. Although both autoimmune hepatitis and SLE can share common autoimmune features such as polyarthralgia, hypergammaglobulinemia and positive ANA, it has been considered as two different entities. We report a case of anti- LKM1 positive autoimmune hepatitis who developed SLE two years later. The presence of interface hepatitis with lymphoplasma cell infiltrates and rosette formation points to the autoimmune hepatitis rather than SLE hepatitis. Autoimmune hepatitis is infrequently accompanied by SLE, therefore, it could be recommended to investigate for SLE in patients with autoimmune hepatitis. (Korean J Gastroenterol 2008;51:190-193)
최대선(Dae-Seon Choi),조상래(Sangrae Cho),김승현(Seung-Hyun Kim),진승헌(Seung-hun Jin),정교일(Kyo-il Chung) 한국정보보호학회 2004 情報保護學會誌 Vol.14 No.5
인터넷에 산재한 id와 개인정보들은 적절한 관리와 보호를 필요로 한다. 인터넷 ID 관리 서비스는 가입자의 id와 개인정보를 관리해 주는 서비스이다. 가입자는 인터넷 ID 관리 서비스에 가입해 id와 개인정보를 등록하면, 이 id로 한번의 로그인 만으로 모든 가맹 웹사이트를 이용할 수 있고, 개인정보의 활용에 대한 통제도 할 수 있다. 인터넷 ID 관리 서비스가 도입되면 인터넷 이용이 편리해지고 id 도용을 크게 줄이며, 개인정보 보호를 강화할 수 있다. 해외에서도 ID 관리 분야에 대한 기술 개발과 표준화, 실환경 도입이 활발히 진행되고 있다. ETRI에서는 Liberty 규격을 준용한 인터넷 ID 관리 서비스 시스템을 개발 중에 있다.
사전 결정 유무 방향전환 동작 시 무릎관절의 운동학적 분석
최일규(Il Kyu Choi),김종인(Jong In Kim),신화경(Wha Kyeng Sin),최대원(Dae Won Choi) 한국사회체육학회 2012 한국사회체육학회지 Vol.0 No.47
The purpose of this study was to analyze movements of knee joint during cutting maneuver. Given experimental conditions were pre/post decisions of turning direction and turning direction angles(0°, 30°, 60°). Fourteen normal subjects were participated in this study. Analyzed phases were jump phase and stance phase. Analyzed variables were angles of knee joint on sagittal, frontal and transverse planes. At the jump phase, there was little difference between pre and post decision and was a little difference among turning directions. At stance phase, there were similar results with conducted articles on sagittal and transverse planes. But the changes of adduction(varus) angles on frontal plane showed a different pattern. Stance phase also had little differences between pre/post decisions, but there was a significant differences among turning direction angles. According to this, Turning direction angles affected at movements of knee angles.
배일환,최대균,박남수,Pae, Il-Hwan,Choi, Dae-Gyun,Park, Nam-Soo 대한치과보철학회 1991 대한치과보철학회지 Vol.29 No.1
The purpose of this study were to compare the condylar path and the anterior angle of glenoid fossae, and analyze the condylar path, and classify the patterns of condylar path. Thirty-three male and female dental students with normal occlusion and masticatory system ranging in age from 24 to 27, without present symptoms and any history of TM joint disturbance, were selected for this study. Then, sixty-six TM joint were examed. Transcranial radiographs of TM joint and Cephalometric radiographs under mandibular protrusive movement were obtained. They were taken at six positions on protrusive movement. The results obtained were as follows : 1. The sequence of the frequeny of condylar movement patterns were concave curve, "S"shape curve, convex curve, and reverse "S"shape. 2. The horizontal distance of the greatest changed position of condylar angle averaged 2.6mm. 3. The condylar path angle averaged 36.91 degree. 4. The angle of the anterior slope of glenoid fossae averaged 37.28 degree. 5. The distance fo condylar movement averaged 5.98mm and the distance of condylar horizontal movement averaged 4.71mm. 6. The slope of articular eminence was correlated to the condyalr path and three were no significant differences between right and left side of the anterior slope of articular eminence, and the condyalr path angle.