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차량 시뮬레이터 기반의 DHB 헤드램프 평가 환경 구축
신외경(WaeGyeong Shin),조재동(Jaedong Cho),문희석(HeeSeok Moon),김종운(JongWoon Kim),한덕구(DeokGu Han) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
This study covered about the establishment of evaluation environment for DHB headlamp using virtual vehicle simulator. Because the performance evaluation of headlamp has time and space restraints, the novel method is needed. In this research, the environment of performance evaluation for the DHB headlamp was established based on the simulator for vehicle. The virtual motor way was realized and the scenario for lamp test was established. And the test of lamp had been using a test bed.
마취 유도제로 사용한 Propofol과 예방적으로 투여한 Metoclopramide의 술 후 오심 및 구토에 미치는 영향
박현희,박관식,이숙영,조외경,김재형,김진수,신동욱 대한마취통증의학회 2006 Korean Journal of Anesthesiology Vol.50 No.2
Background: Postoperative nausea and vomiting (PONV) are common problems in patients undergoing a laparoscopic cholecystectomy. This study evaluated the effect of prophylactic metoclopramide (MCP) and induction with propofol on PONV. Methods: 165 patients undergoing laparoscopic cholecystectomy were randomly divided into four groups. Groups 1 (control group) and 2 were inducted with thiopental sodium. Groups 3 (propofol group) and 4 were inducted with propofol. Prophylactic metoclopramide 10 mg i.v. was administered in Groups 2 (MCP group) and 4 (propofol + MCP group). The incidence of PONV, the need for rescue antiemetics, adverse events, and the nausea severity scores were assessed at 0 to 1 hour and at 1 to 24 hours postoperatively. Results: During the first 24 hours after anesthesia, the incidence of PONV in Groups 1, 2, 3 and 4 was 41.5%, 29.3%, 30.3% and 23.3%, respectively. There was no significant difference between the groups. During the period, 1 hour to 24 hours, after anesthesia, the incidence of PONV in Groups 1, 2, 3 and 4 was 36.6%, 17.4%, 27.5% and 14.4%, respectively. The incidence of PONV in Group 4 was significantly lower than in Group 1 (P < 0.05). Conclusions: In patients with laparoscopic cholecystectomy, a combination of prophylactic metoclopramide administration and induction with propofol was found to reduce the incidence of PONV by about 22.6% during the period 1 hour to 24 hours after anesthesia. (Korean J Anesthesiol 2006; 50: 179~83)
증례보고 : Hemocoagulase에 의한 것으로 추정되는 아나필락시스: 혈중 비만세포 Tryptase 증가에 의한 확인 -증례보고-
이숙영 ( Sook Young Lee ),박관식 ( Kwan Sik Park ),조외경 ( Oi Gyeong Cho ),김의석 ( Yeui Seok Kim ),정원호 ( Won Ho Jeong ) 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.51 No.1
Multiple agents can cause anaphylaxis in a perioperative setting. Identifying the agent responsible is essential for avoiding future adverse reactions as well as to attenuate the progression of anaphylaxis. Being able to distinguish an anaphylactic reaction from an anaphylactoid reaction would help clarify the therapeutic and medicolegal issues. Anaphylaxis generally occurs after reexposure to a specific antigen and requires the release of proinflammatory mediators from mast cells and basophils. An increased concentration of mast cell tryptase is a highly sensitive indicator of anaphylactic reactions during anesthesia. Botropase(R) is a procoagulant hemocoagulase purified from venom of Bothrops jararaca, a Brazilian viper and in wide use in patients with high risk of bleeding. We report a case of suspected anaphylaxis to Botropase(R) in a 67 years old female patient undergoing segmental resection of the liver with elevated concentration of serum mast cell tryptase. (Korean J Anesthesiol 2006; 51: 105~8)