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RISS 인기검색어
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- 저자 : 구요한 ( Yo Han Ku ) (검색결과 2 건)
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구요한 ( Yo Han Ku ),김계훈 ( Kye Hun Kim ),김형윤 ( Hyung Yoon Kim ),정인석 ( In Seok Jeong ),정명호 ( Myung Ho Jeong ),조정관 ( Jeong Gwan Cho ),박종춘 ( Jong Chun Park ) 대한내과학회 2020 대한내과학회지 Vol.95 No.4
Kommerell 게실은 근위부 하행대동맥의 확장이 특징인 대동맥 궁의 드문 선천성 이상으로 이상적으로 기시하는 쇄골하동맥이 동반된다. 무증상일 수 있으나 식도나 기도 등의 압박으로 인한 증상이 동반될 수 있으며, 대동맥 박리나 게실의 파열로 나타날 수 있다. 저자들은 우측 대동맥 궁에서 동반된 Kommerell 게실이 식도를 압박하여 심한 연하곤란으로 발현한 증례를 경험하였기에 보고하고자 한다. Kommerell diverticulum is a rare congenital anomaly of the aortic arch characterized by dilation at the proximal descending aorta, which gives rise to an aberrant subclavian artery. Kommerell diverticulum is usually asymptomatic, but can also be associated with symptoms due to compression of the esophagus or trachea, and can rarely be fatal due to dissection or rupture of the diverticulum. Here, we report a rare case of dysphagia caused by compression of the esophagus by Kommerell diverticulum originating from the right-sided aortic arch. (Korean J Med 2020;95:287-291)
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인천 연안해역의 대규모 매립사업에 따른 경기만 일대의 조석특성 변화
조진훈 ( Jo Jin Hoon ),박상현 ( Park Sang Hyun ),구요한 ( Ku Yo Han ) 한국농공학회 1998 韓國農工學會誌 : 전원과 자원 Vol.40 No.6
The changes of tidal characteristics of Kyonggi-Bay Region after the Large Reclamations in the Inchon Coastal Area have been studied by the numerical modelling. The constructions of Inchon International Airport and Sihwa Seadike were considered as the main reclamation projects in this region. A two dimensional hydrodynamic model was used for this study, and it was composed in relatively high resolution with curvilinear orthogonal coordinate. As the results, at the Inchon harbor and Palmido, where a deep channel is developed, the semi tidal ranges(Z<sub>0</sub>) were decreased in 8 cm after the two reclamations. However, the Z<sub>0</sub> values in the outside of the deep channel were decreased only in 2~4 cm, so that the tidal changes in the deep channel were greater than in the outside of it. After the reclamations, the maxmum velocity was increased 17% at the Inchon harbor, however it was decreased from 1.55m/s to 1.10m/s at the Palmido. This is because the available area in which the stream may spread out was largely reduced after the reclamations. In Asan-bay region, the Z<sub>0</sub> was decreased in 5 cm at the Punyang-man and Asan-man stations located after the reclamations in Inchon coastal area. However the changes of Z<sub>0</sub> were very little at the outside of Asan-bay. In Asan-bay, the current velocity and direction were little influenced by the reclamations in Inchon coastal area.
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