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Primary Sternal Osteomyelitis Caused by Actinomyces israelii

  • Lee, Jun Ho;Jeon, Seok Chol;Jang, Hyo-Jun;Kim, Hyuck;Kim, Young Hak;Chung, Won-Sang
    • Journal of Chest Surgery
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    • v.48 no.1
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    • pp.86-89
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    • 2015
  • Primary sternal osteomyelitis is a rare disease. Common infectious organisms causing primary sternal osteomyelitis include Staphylococcus aureus and Pseudomonas aeruginosa. Actinomyces species are common saprophytes of the oral cavity, but there have been few reports in the literature of primary sternal osteomyelitis caused by Actinomyces species. We describe a case of primary sternal osteomyelitis caused by Actinomyces israelii without pulmonary involvement.

Postinfarct Ventricular Septal Defect after Coronary Covered Stent Implantation

  • Chon, Soon-Ho;Kim, Young-Hak;Kim, Hyuck;Chung, Won-Sang;Kang, Jeong-Ho;Shin, Kyung-Wook
    • Journal of Chest Surgery
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    • v.45 no.1
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    • pp.45-48
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    • 2012
  • We report a case of a postinfarction ventricular septal defect caused by an acute recurrent occlusion after the implantation of a covered stent, which was performed as a rescue procedure for the ruptured left anterior descending artery during a percutaneous coronary intervention. Although the emergent implantation of a covered stent for the ruptured coronary arteries such as the left main coronary artery or the origins of the left anterior descending artery can be performed during a percutaneous coronary intervention, and a coronary bypass surgery should be considered in order to decrease the risk of complete occlusion, thus providing a superior long term patency.

Low Cardiac Output Syndrome Caused by a Coronary Artery Spasm following CABG (관상동맥 우회술 직후에 발생한 자가 혈관의 연축에 의한 저심박출)

  • Kim, Young-Hak;Chung, Yoon-Sang;Kang, Jeong-Ho;Chung, Won-Sang;Shinn, Sung-Ho;Kim, Hyuck
    • Journal of Chest Surgery
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    • v.40 no.9
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    • pp.633-636
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    • 2007
  • Coronary artery spasm immediately after the coronary artery bypass graft (CABG) surgery is rare but it can cause sudden and severe hypotension or a ventricular arrhythmia. We report a case of low cardiac output syndrome caused by a right coronary artery spasm following CABG that did not show any significant stenotic lesions on preoperative coronary angiography.

Development of an Autonomous Vehicle: A1 (자율주행자동차 개발: A1)

  • Chu, Keon-Yup;Han, Jae-Hyun;Lee, Min-Chae;Kim, Dong-Chul;Jo, Ki-Chun;Oh, Dong-Eon;Yoon, E-Nae;Gwak, Myeong-Gi;Han, Kwang-Jin;Lee, Dong-Hwi;Choe, Byung-Do;Kim, Yang-Soo;Lee, Kang-Yoon;Huh, Kun-Soo;SunWoo, Myoung-Ho
    • Transactions of the Korean Society of Automotive Engineers
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    • v.19 no.4
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    • pp.146-154
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    • 2011
  • This article describes the Autonomous Vehicle #1 (A1), which won the 2010 Autonomous Vehicle Competition (AVC) organized by Hyundai Kia automotive group. The A1 was developed for high speed and stable driving without human intervention. The autonomous system of A1 was developed based on in-vehicle networks, electronic control units, and embedded software. Novel environment perception and navigation algorithm were evaluated and validated through the AVC. In this paper, we presented the system and software architecture of A1.

Intrathoracic Desmoid Tumor Presenting as Multiple Lung Nodules 13 Years after Previous Resection of Abdominal Wall Desmoid Tumor

  • Koo, Gun woo;Chung, Sung Jun;Kwak, Joo Hee;Oh, Chang Kyo;Park, Dong Won;Kwak, Hyeon Jung;Moon, Ji-Yong;Kim, Sang-Heon;Sohn, Jang Won;Yoon, Ho Joo;Shin, Dong Ho;Park, Sung Soo;Oh, Young-Ha;Pyo, Ju Yeon;Kim, Tae-Hyung
    • Tuberculosis and Respiratory Diseases
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    • v.78 no.3
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    • pp.267-271
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    • 2015
  • Desmoid tumors are rare soft tissue tumors considered to have locally infiltrative features without distant metastasis until now. Although they are most commonly intraabdominal, very few cases have extra-abdominal locations. The origin of intrathoracic desmoid tumors is predominantly the chest wall with occasional involvement of pleura. True intrathoracic primary desmoid tumors with no involvement of the chest wall or pleura are extremely rare. We recently experienced a case of true intrathoracic desmoid tumor presenting as multiple lung nodules at 13 years after resection of a previous intraabdominal desmoid tumor.