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A case of acute hemolytic transfusion reaction due to anti-Dia antibody -A case report-
문성하,이승환,노민영 대한마취통증의학회 2012 Korean Journal of Anesthesiology Vol.63 No.4
Many medical institutions in Korea have recently been performing an antibody screening test as one of the essential elements of a pre-transfusion test. The Dia antigen is well known as one of the antigens with low incidence among Caucasians; however, it has been discovered with a relatively higher incidence among Mongoloid populations. The frequency of the Dia antigen among the Korean population is estimated to be 6.4-14.5%. But in Korea, a screening panel of cells from abroad without Dia positive cells has been commonly used when a patient has an unexpected antibody screening test. Here we report a case of acute hemolytic transfusion reaction due to Anti-Dia antibody. To prevent other transfusion reaction by anti-Dia antibody, addition of Dia positive cells as unexpected antibody screening test is recommended.
모야모야병과 동방결절기능부전 증후군을 가진 산모의 제왕절개술을 위한 전신마취
문성하,김정희,우철호,김윤홍,김현수 대한마취통증의학회 2006 Korean Journal of Anesthesiology Vol.50 No.2
Moyamoya disease is a rare progressive occlusive disease of the internal carotid arteries. We experienced a case of general anesthesia in a patient with Moyamoya disease and sick sinus syndrome who underwent a cesarean section. General anesthesia was performed using laryngeal mask airway ProSealTM in order to avoid the hemodynamic response to tracheal intubation. INVOSⓇ 5100 was used to monitor the level of cerebral oxygenation. The patient was kept stable hemodynamically and her level of cerebral oxygenation was kept at the optimal level during the operation. (Korean J Anesthesiol 2006; 50: 232~5)
복강경하 위아전절제술 중 발생한 숨겨진 후복막강 출혈 감지를 위한 경식도 도플러의 유용성
문성하,이승환,노민영 대한중환자의학회 2012 Acute and Critical Care Vol.27 No.2
Hemodynamic monitoring is an essential element in the management of perioperative patients. In addition, anesthesiologists routinely used blood pressure (invasive or non invasive), heart rate, urinary output and central venous pressure as monitoring modalities. Esophageal doppler monitoring, as a minimally invasive hemodynamic assessment tool, has a good correlation with pulmonary artery catheterization in measuring cardiac output. We experienced a case of concealed retroperitoneal hemorrhage in a patient who underwent a laparoscopic subtotal gastrectomy. When surgeons tried to close trocar sites, the patient's blood pressure dropped rapidly. At laparoscopy, we could not find gross bleeding. However, we could detect hypovolemia by esophageal doppler monitoring (CardioQ, DeltexTM, UK). The procedure was converted to open laparotomy. Thereafter, we could find retroperitoneal hemorrhage, and vascular repair was done successfully. The patient recovered without any other complications.
뇌동맥류 파열 후 발생한 신경성 기절심근과 폐부종-증례 보고-
문성하,최원준,목정민,양재영,우철호 대한중환자의학회 2010 Acute and Critical Care Vol.25 No.2
We report a case of neurogenic cardiopulmonary instability with pulmonary edema occurring after an aneurysmal subarachnoid hemorrhage. The patient`s pre-operative Glasgow coma scale score was 6 and the PA chest radiograph showed increased diffuse haziness in the right lung field. The patient presented with severe hypotension and low oxygen saturation during surgery. Cardiac damage was documented by increased CK-MB troponin-T levels, and ischemic ECG findings. Reversible cardiac failure associated with subarachnoid hemorrhage may be due to a neurogenic- stunned myocardium. The patient underwent clipping of the aneurysm and recovered with minimal neurologic impairment and normal cardiac function.
문성하,안동애,최현정,김태희,빈정우,고동찬 대한마취통증의학회 2016 Korean Journal of Anesthesiology Vol.69 No.3
Coronary air embolism is a rare event. We report a case in which an acute myocardial infarction occurred in the region supplied by the right coronary artery after the removal of a double-lumen hemodialysis catheter. Emergent coronary angiography revealed air bubbles obstructing the mid-segment of the right coronary artery with slow flow phenomenon distally. The patient expired due to myocardial infarction.
지도 기반 데이터 시각화 플랫폼 사용성 평가 기준 개발 및 적용 연구
문성하,윤현수,양승원,오상희 한국문헌정보학회 2024 한국문헌정보학회지 Vol.58 No.2
본 연구의 목적은 지도 기반 데이터 시각화 플랫폼에 적합한 평가 도구를 개발하고, 이를 현재 상용되고 있는 지역간 정보를 나타내는 지도 기반 데이터 시각화 플랫폼을 대상으로 휴리스틱 사용성 평가를 수행하는 것이다. 본 연구에서는 Nielsen(1994)의 사용성 평가 10가지 원칙과 함께 지도 기반 플랫폼의 사용성 평가 기준을 다룬 선행연구들의 결과를 비교․분석하여 (1) 가시성, (2) 실세계와의 일치, (3) 일관성 및 표준, (4) 사용자 제어 여부와 친화성, (5) 융통성, (6) 디자인, (7) 호환성, (8) 오류 방지 및 해결, (9) 도움말 제공 및 문서화로 9가지의 평가 항목을 개발하였다. 또한, 개발한 평가 항목의 실효성을 확인하기 위해, 국내외 5개의 지도 기반 데이터 시각화 플랫폼을 대상으로 전문가 4명을 초빙하여 사용성 평가를 진행하였다. 평가 결과, 전문가들은 제안한 지도 기반 데이터 시각화 사용성 평가 기준을 사용하여, 수치화한 점수와 주관적 의견을 포함한 5개 플랫폼의 사용성을 순위화한 평가 결과를 도출할 수 있었다. 본 연구의 결과는 향후 지도 기반 시각화 플랫폼을 개발하고 평가함에 있어서 전반적인 가이드라인의 기초 자료가 될 수 있을 것으로 기대한다. The purpose of this study is to develop an evaluation tool for map-based data visualization platforms and to conduct heuristic usability evaluations on existing platforms representing inter-regional information. We compared and analyzed the usability evaluation criteria of map-based platforms from the previous studies along with Nielsen’s (1994) 10 usability evaluation principles. We proposed nine evaluation criteria, including (1) visibility, (2) representation of the real world, (3) consistency and standards, (4) user control and friendliness, (5) flexibility, (6) design, (7) compatibility, (8) error prevention and handling, and (9) help provision and documentation. Additionally, to confirm the effectiveness of the proposed criteria, four experts was invited to evaluate five domestic and international map-based data visualization platforms. As a result, the experts were able to rank the usability of the five platforms using the proposed map-based data visualization usability evaluation criteria, which included quantified scores and subjective opinions. The results of this study are expected to serve as foundational material for the future development and evaluation of map-based visualization platforms.