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증례 : 순환기 ; 고위험군 대동맥궁 동맥류에 대동맥 상부 혈관 우회술과 스텐트 그라프트 치료 2예
장세원 ( Se Won Jang ),고우석 ( Woo Seok Ko ),김민정 ( Min Jeong Kim ),최정천 ( Jung Cheon Choi ),안진희 ( Jin Hee Ahn ),송승환 ( Seung Hwan Song ),이한철 ( Han Cheol Lee ) 대한내과학회 2014 대한내과학회지 Vol.86 No.2
연령이 높고 수술 고위험군인 대동맥궁의 대동맥류에 대해 대동맥궁 상부동맥 우회술과 스텐트 이식편(stent-graft) 삽입을 같이 시행하는 Hybrid 수술을 시행하여 좋은 결과를 경험하였기에 문헌고찰과 함께 보고하는 바이다. A large aortic aneurysm invading the aortic arch can be catastrophic if rupture occurs. In the past, the standard treatment was an open thoracotomy followed by total aortic arch replacement. However, open surgery is difficult in patients at high operative risk. Consequently, thoracic endovascular aortic repair (TEVAR) is preferred in high-risk patients. In patients with a short proximal landing whose aortic aneurysm invades the aortic arch, TEVAR is not available because of innominate, left carotid, and left subclavian artery occlusion. We report two cases in which aortic aneurysms invaded the aortic arch, and who were treated with TEVAR after a supra-aortic artery bypass operation. (Korean J Med 2014;86:218-223)
장세원 ( Se Won Jang ) 한국외국어대학교 중동연구소 2010 중동연구 Vol.28 No.2
The purpose of this research is to explore how the ruling elites groups are related to tribalism in the United Arab Emirates in the politics, religious, and military spheres. For this, this study analyzes who constitutes the elites group in each field and their characteristics. Among the three subjects, this study especially focuses on the military elites (the results of the former two subjects were already published in other articles), exploring who forms the members of the current military elites in the UAE, how they have achieved the position, and finally what role has tribalism played as a background. The result of the study shows that tribalism has a great influence over the formation of military elites in the United Arab Emirates, as shown in the former studies of political and religious elites. Even though the Sheikhs of each Sheikhdoms in the United Arab Emirates recognize the significance of the federal government, they request resource control power and military independence as a source of power. The constitution of the United Arab Emirates also clearly states that it guarantees the two rights of the Sheikhdoms. In other words, the powerful two tribals of Abu Dhabi and Dubai control the United Arab Emirates, each Sheikhdoms enjoy their sovereign power in economic and military fields under the guarantee of the constitution. Based on rapid economic growth, the United Arab Emirates holds a significance position in the military security, not only in the Gulf area but also in the whole Arab world. Currently, the United Arab Emirates undergoes the dntersification of the military cooperation and it needs our persistent attention in both academic and practical level.
섬유기계의 트위스터용 스프링 텐션 유지를 위한 압축코일 스프링 설계에 관한 연구
김종수,장세원,Kim, Jong-Su,Jang, Se-Won 한국기계연구원 2004 硏究論文集 Vol.34 No.-
A spring tension control device is used as a very important part of an twister system. The friction force of tensioner must keep same friction force during winding in package. For satisfy this function, many device used common compression coil spring. In this paper, by using the case-building technique which was based on simple theory that unknown design variables are induced by given input design variables by the designer, design automation algorithm about rectangular section compression springs with elastic characteristic is developed. Four design equation are justified in using of analysis of torsion of straight bar of rectangular section and geometrical condition of coil spring. Four design equation and nine design variables are computed by case-building technique.
증례 : 소화기 ; 내시경 조직 생검 후 발생한 점막하 식도 박리 1예
김동현 ( Dong Hyun Kim ),윤정빈 ( Jeong Bin Yoon ),김동완 ( Dong Wan Kim ),장세원 ( Se Won Jang ),윤종민 ( Jong Min Yoon ),김민정 ( Min Jung Kim ),김상현 ( Sang Hyun Kim ) 대한내과학회 2011 대한내과학회지 Vol.81 No.6
점막하 식도 박리 발생의 위험인자는 혈소판감소증, 혈우병, 내시경 경화요법, 심부 정맥 혈전증으로 항응고치료를 받는 환자, 이물, 약물, 내시경 등의 기계적 손상 또는 자발적으로 발생한 점막하 출혈 및 혈종이 있다. 하지만 조직검사로 인한 증례는 아직 발표된 바가 없다. 저자들은 식도 조직검사 후 발생한 흉골하 통증을 주증상으로 내원한 환자에서 상부위장관 내시경 검사를 시행하여서 점막하 식도 박리증을 진단하였다. 금식 및 수액요법 등의 보존 치료로 증상이 호전된 드문 증례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. The incidence of gastrointestinal complications has increased as endoscopic biopsy has become a standard diagnostic technique. However, esophageal dissection is a rare complication. A 71-year-old man suffered retrosternal pain for 15 days. Fifteen days previously, he had undergone an endoscopic gastrointestinal examination at a local clinic and an esophageal biopsy to obtain microscopic confirmation of esophageal candidiasis. The patient then underwent a subsequent endoscopic examination, which showed features specific to esophageal submucosal dissection. The predisposing conditions for esophageal dissection are coagulopathy, iatrogenic trauma (variceal sclerotherapy), drugs (thrombolytic agents, aspirin), foreign bodies/certain foods (fish, chicken bones), and emesis. However, endoscopic biopsy is a rare predisposing condition. Here, we report a case of esophageal submucosal dissection that developed after esophageal biopsy. We observed the healing process of this lesion with a series of endoscopies as part of a conservative treatment plan. (Korean J Med 2011;81:759-763)