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2 mm 흉강경을 이용한 동맥관 개존증 폐쇄술 -1례보고-
문승철,양진영,구원모,이건,이헌재,임창영,Moon, Seung-Chul,Yang, Jin-Young,Koo, Won-Mo,Lee, Gun,Lee, Hyeon-Jae,Lim, Chang-Young 대한흉부심장혈관외과학회 2000 Journal of Chest Surgery (J Chest Surg) Vol.33 No.1
Patent ductus arteriosus(PDA) is a common congenital heart disease encountered in premature neonates infants and children. Patent ductus arteriosus was the first surgically managed congenital heart disease,. Classic surgical interruption of patent ducturs arteriosus was partially replaced by a transcatheter endovascular closure, After a 5-7 mm video-assisted thoracoscopic interruption of the patent ductus arteriosus first applied in 1991, this minimally invasive technique came to be used in many centers, Video-assisted thoracoscopic interruption of the patent ductus arteriosus is feasible in low-weight infants whereas transcatheter endovascular closure of the ductus is usually not possible. We experienced successful outcome for the treatment of patent ductus arteriosus with 2 mm video-assisted thoracoscopic titanium clipping, We believed that this technique is a simple safe and rapid method for closure of the patent arteriosus.
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문승철 한국항공대학교 2000 論文集 Vol.38 No.-
본 논문은 언어 내의 여러 가지 위계구조(Hierarchy)의 종류와 그 특성을 관찰분석하고 그 일반화된 위계구조를 최적성이론(Optimality Theory)에서 활용할 수 있는 방법을 제안한다. 1장은 서론을 제시하고, 2장은 위계구조들의 존재와 그 역할들을 살피고 3장은 위계구조가 기존의 문법이론에서 하나의 정립된 가정으로서 사용될 수 없었던 이유가 지나친 제약의 위반불가능성 때문임을 주장한다. 따라서 4장은 이러한 위계구조의 사용불가능성을 극복하기 위한 대안으로 위계구조의 새로운 역할의 정립을 시도한다. 마지막으로 5장은 제약위반가능성을 허용하는 최적성이론이 위계구조의 활용과 더불어 더욱 우수한 이론으로 정립될 수 있다고 결론을 내린다. This paper explores various kinds and characteristics of hierarchies in languages and proposes a method in which hierarchy concepts within language can be applied in Optimality Theory. Section 1 introduces the background of this paper. Section 2 examines the characteristics and roles of the hierarchies proposed in the previous literatures. Section 3 argues that the inapplicability of the hierarchy concept to the linguistic theory derives from the extreme rigidity of the grammatical constraints. Section 4 suggests a violable hierarchy concept in linguistic theory in order to overcome its inapplicability problem due to the inviolability of constraints. Section 5 concludes this paper.
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문승철 경희대학교 언어연구소 1999 언어연구 Vol.17 No.-
This paper discusses the distribution and interpretation of null pronouns in English when approached from an Optimality Theory perspective. I argue that the constraint violability plays a very important role in both the distribution and the interpretation of the null pronouns. I claim that we can not only simplify the statements of the null pronoun principles, but also account for certain data that have eluded previous theories by elevating this violability to a central place in the grammar. It is also shown that the different hierarchy of the same universal constraints can nicely explain why Korean allows quite free distribution of null pronouns in the subject and object positions in contrast to English in which it is allowed only in tenseless subject position. (Hankuk Aviation University)
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An Optimality Approach to NPI Constructions
문승철,송홍기 한국영어영문학회 2009 영어 영문학 Vol.55 No.3
The Journal of English Language and Literature. The purpose of this study is to provide an optimality theoretic approach to NPIs (Negative Polarity Items) in English and Korean by proposing three universal constraints. The constraints are C-command Condition (CCC): NPI must be c-commanded by a constituent with negative meaning; Locality Condition (LOC): NPI must be bound in the local domain; Subjacency: NPI licensing must satisfy Subjacency Condition (SBJ); Previous analyses have shown that these three constraints control NPIs in one way or another. This study attempts to demonstrate that NPIs in both English and Korean languages can be nicely accounted for by setting a different constraint hierarchy for the two independent languages. That is, by slightly changing the constraint hierarchy, distributional differences of NPIs in both languages can be accounted straightforwardly within the framework of Optimality Theory. The Journal of English Language and Literature. The purpose of this study is to provide an optimality theoretic approach to NPIs (Negative Polarity Items) in English and Korean by proposing three universal constraints. The constraints are C-command Condition (CCC): NPI must be c-commanded by a constituent with negative meaning; Locality Condition (LOC): NPI must be bound in the local domain; Subjacency: NPI licensing must satisfy Subjacency Condition (SBJ); Previous analyses have shown that these three constraints control NPIs in one way or another. This study attempts to demonstrate that NPIs in both English and Korean languages can be nicely accounted for by setting a different constraint hierarchy for the two independent languages. That is, by slightly changing the constraint hierarchy, distributional differences of NPIs in both languages can be accounted straightforwardly within the framework of Optimality Theory.
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문승철,이건,이헌재,안대호,임창영,Moon, Seung-Chul,Lee, Gun,Lee, Hyeon-Jae,Ahn, Dae-Ho,Lim, Chang-Young 대한흉부심장혈관외과학회 1999 Journal of Chest Surgery (J Chest Surg) Vol.32 No.3
Warfarin-induced skin necrosis is a rare complication caused by transient hypercoagulable state. This state is a result of rapid decline of the protein C activity relative to that of coagulation factor II, IX, and X during initiation of oral anticoagulant therapy. We experienced a case of warfarin-induced skin necrosis involving both breasts in a patient who underwent double valve replacement 1 month before. Warfarin was replaced to a low- molecular weight heparin and the necrotic breast lesion was healed spontaneously. Low-dose warfarin was restarted and gradually increased, after which a low molecular weight heparin discontinued.. 판막수술 후 반드시 투여해야 하는 항응고제로 인한 피부괴사증은 매우 드문 합병증으로 기전은 아직 확실히 밝혀지지는 않았지만 항응고제의 초기 투여시 제2, 9, 10 응고인자에 비해 C 단백질이 급격하게 감소하기 때문에 나타나는 일시적인 과응고 현상이다. 저자들은 다중판막 치환술 1개월 후에 양측 유방부위에 발생한 광범위한 피부괴사증을 경험하였다. 진단 즉시 \ulcorner파린 투여를 중단하고 저분자량의 헤파린으로 대치하였으며 피부괴사증은 5일 후 치유가 되었고 그 후 다시 와파린 투여를 저용량부터 시작하여 서서히 증량해가며 저분자량 헤파린 투여를 중단할 수 있었기에 문헌 고찰과 함께 보고하는 바이다.
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文承哲 한국영어교육연구학회 2000 영어교육연구 Vol.- No.21
This paper provides an optimality-theoretic explanation of how and why children produce a variety of systematic ungrammatical sentences in the process of language acquisition, focusing on the auxiliary verbs and verbal tense system in the sentence. I proposed that the seemingly complicated ungrammatical sentences in auxiliary verb acquisition of children can be nicely accounted for within the framework of optimality theory. I concluded that the children's ungrammatical sentences are produced as a natural consequence of misranked hierarchy of constraints applicable to the auxiliary verb acquisition process. In addition, I attempted to show that the optimality theory is superior to any other existing grammatical theories in that it explains the complicated motivation of producing ungrammatical sentences according to the ages of the children.
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