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장원경,이승철,서동만,박정준 대한심장학회 2010 Korean Circulation Journal Vol.40 No.9
Postoperative intractable arrhythmia can result in high morbidity and mortality. This report describes our experiences using mechanical circulatory support (MCS) to control medically intractable arrhythmias in three pediatric patients with congenital heart disease (CHD), after palliative or total corrective open-heart surgery.
장원경,이윤정,김영아,박성종,박영서 대한소아청소년과학회 2013 Clinical and Experimental Pediatrics (CEP) Vol.56 No.7
In this report, we present a pediatric case of severe symptomatic hypermagnesemia resulting from the use of magnesium oxide as a laxative in a child undergoing continuous cyclic peritoneal dialysis for end-stage renal disease. The patient showed abnormal electrocardiography (ECG) findings, such as tall T waves, a widened QRS complex, and irregular conduction, which were initially misdiagnosed as hyperkalemia; later, the correct diagnosis of hypermagnesemia was obtained. Emergent hemodialysis successfully returned the serum magnesium concentration to normal without complications. When abnormal ECG changes are detected in patients with renal failure, hypermagnesemia should be considered.
장원경,민경호,김태균 대한경영학회 2002 大韓經營學會誌 Vol.15 No.4
The World Wide Web and electronic commerce have grown radically since its inception in 1990 by an average annual growth rate over 100%. The Internet's growth makes the creation of cyber markets and it changes management environments. Information Technology (IT) is the essential element of a firm's development and its survival. The Technology Acceptance Model (TAM) represents an important theoretical contribution toward understanding computer usage and computer acceptance behaviors. The current studies investigated the relationships between organizational tasks and internet using TAM. For using internet, social network is important because the natural characteristic of internet is community-based. However, TAM is incomplete in one important respect: it doesn't account for social influence in the adoption and utilization of new information system. So, organizational culture (OC), that we believe to be important, plays a role in explaining their internet usage. OC will affect user attitude. We extend and empirically validate the TAM for the internet usage including OC. The findings enable future researchers and practitioners to account for social influence in future investigator of TAM. Extending the Technology Acceptance Model to Account for Organizational Culture Won Kyung Changfor the internet usage including OC. The findings enable future researchers and practioners to account for social influence in future investigator of TAM.The World Wide Web and electronic commerce have grown radically since its inception in 1990 by an average annual growth rate over 100%. The Internet's growth makes the creation of cyber markets and it changes management environments. Information Technology (IT) is the essential element of a firm's development and its survival. The Technology Acceptance Model (TAM) represents an important theoretical contribution toward understanding computer usage and computer acceptance behaviors. The current studies investigated the relationships between organizational tasks and internet using TAM. For using internet, social network is important because the natural characteristic of internet is community-based. However, TAM is incomplete in one important respect: it doesn't account for social influence in the adoption and utilization of new information system. So, organizational culture (OC), that we believe to be important, plays a role in explaining their internet usage. OC will affect user attitude. We extend and empirically validate the TAM for the internet usage including OC. The findings enable future researchers and practitioners to account for social influence in future investigator of TAM.
소아에서 신장 이식 후 발생한 Posttransplant Lymphoproliferative Disease 1례
장원경,한혜원,이미정,김태형,박영서,Jhang Won-Kyoung,Hahn Hye-Won,Lee Mee-Jeung,Ghim Thad-T.,Park Young-Seo 대한소아신장학회 2003 Childhood kidney diseases Vol.7 No.2
Posttransplant lymphoproliferative disease(PTLD)는 이식 후 발생하는 림프증식성 질환으로 이식장기의 거부반응을 억제하기 위한 면역억제제의 사용 및 이에 따른 EBV 감염과 연관이 있다고 알려져 있다. 소아 PTLD의 경우 성인에 비해 EBV의 초감염 또는 재활성이 더 많은 것으로 보고되고 있으며 최근 더 강력한 면역억제제들의 개발 및 사용에 따라 발생이 증가하고 있다. 본 증례는 14세 여아로 신이식 44개월 후에 EBV 감염의 증거 없이 지발성 PTLD가 발생하였으며 골수 검사상 B-세포 급성 림프구성 백혈병으로 진단되어 항암화학요법 치료를 시작하였고, 치료 후 완전 관해는 이루어졌으나 심한 중성구 감소증에 따른 패혈성 쇼크로 입원 77일만에 사망하였다. Posttransplant lymphoproliferative disease(PTLD) has emerged as a potential life-threatening complication of immunosuppressive therapy after organ transplantation. The occurrence of PTLD is usually associated with an Epstein-Barr virus(EBV) infection in patients who are treated by aggressive immunosuppressive therapy. PTLD is represented by diverse manifestations ranging from reactive lymphoid hyperplasia to high grade malignant lymphoma. This is a case report of a late PTLD in a child. The patient is a 14-year-old girl, who presented as malignant lymphoma 44 months after successful renal transplantation. There was no evidence of EBV infection. On bone marrow study, many neoplastic lymphoid cells were defected. Aggressive chemotherapy for PTLD had resulted in clinical remission. However the patient expired from uncontrolled sepsis and septic shock after 77 days.
중소기업 회계담당자의 회계프로그램 수용에 관한 연구 - 지각된 자원의 역할을 중심으로 -
장원경,신건권,김태균 한국회계정보학회 2005 회계정보연구 Vol.23 No.1
TAM(Technology Acceptance Model) supports the notion that perceived usefulness and perceived ease of use are primary drivers of user intentions to adopt new information technology in many studies. However, TAM focused on volitional choices and were intended only to explain volitional behavior. And, many of the behaviors in organizations, particularly those related to technology, are not volitional. When technology adoption is mandated, as it is in many SMEs, we expected that the underlying relationships of traditional TAM will be different.The results showed that perceived resource significantly influenced perceived ease of use and perceived usefulness. And perceived resource affected behavioral intention indirectly through perceived usefulness. Also perceived resource is shown to play a significant role in explaining mandatory environments than voluntary environments. 기술수용모형(Technology Acceptance Model: TAM)은 많은 연구를 통해서 지각된 이용용이성과 지각된 유용성이 새로운 정보기술을 수용하는데 가장 중요한 변수로 나타났다. 현재까지의 TAM연구는 주로 사용자의 자발적 수용에 초점이 맞추어져 연구되었으나, 대부분의 중소규모 조직의 정보기술 수용환경이 자발적인 경우는 매우 드물다. 정보기술 수용이 비자발적 환경에서는 과거의 자발적 TAM연구와는 다른 결과로 나타날 것이며 이에 대한 연구가 요구된다.따라서 본 연구에서는 중소기업 회계담당자들의 회계프로그램 수용에 있어 지각된 자원을 역할을 규명하고자 한다. 세부적으로는 첫째, 정보기술 수용에 선택권한이 주어지지 않는 비자발적 환경 하에서의 PR과 TAM 관계성을 살펴본다. 둘째, 자발적 수용에 대한 선행연구와 비교하여 비자발적 수용에 대한 연구에서 PR의 역할을 분석하여 차이점에 있는가를 분석한다.연구 결과 비자발적인 환경에서 지각된 자원은 지각된 이용용이성과 지각된 유용성에 정의 영향을 미치고 있으며, 행동의도에 간접적인 영향을 미치는 것으로 나타났다.