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구급차내 심폐소생술시 흉부압박의 정확도에 영향을 미치는 요인
홍성기,손인아 대한응급의학회 2009 대한응급의학회지 Vol.20 No.4
Purpose: The study offers the recommended guidelines for EMTs to improve their CPR techniques in an ambulance by analyzing external factors to perform more effective and accurate chest compression in a moving ambulance while patients are being transported to hospital. Methods: Seventeen of the first class EMTs at GyeongGi- Do agreed to participate in the research. In order to analyze the factors that have influenced the accuracy of chest compression, the type of ambulance (Van-type, Truck-type), velocity of a moving ambulance (60, 70, 80 km/hr), chest compression posture (standing, knee supported) and assistive devices (Main stretcher car, CPR board, Long Spine board) for chest compression were compared to each other. The research was conducted according to the phased procedure in an attempt to evaluate the difference between the chest compression posture and the assistive devices in appropriateness of chest compression. Results: The findings of this study included that chest compression posture and the use of assistive devices influenced the effectiveness of chest compression. With regard to compression depth, the chest compression that occurred on the main stretcher in ambulances while in the standing position, were the least effective. Chest compression that occurred on a Cardiopulmonary Resuscitation board (CPR board) was the most effective in the supported posture. In addition, the accuracy of chest compression was higher in a supported posture than in a standing posture. In both postures, the accuracy of chest compression was higher when a CPR board or a Long spine board (LSB) were used, than when a main stretcher was used. Conclusion: The study showed that the chest compression posture and the use of assistive devices had an effect on appropriateness of chest compression. As for posture during chest compression, the accuracy of chest compression increased when knees were supported. Also, the study suggested that the use of CPR board among other assistive devices for chest compression was the factor contributing to an increase in the effectiveness of chest compression depth.
Leaf and Stem Blight on Columbine and Bleeding Heart Caused byStreptobotrys caulophylli
홍성기,김완규,조원대,김홍기 한국식물병리학회 2004 Plant Pathology Journal Vol.20 No.3
A survey on ornamental diseases in 2000 and 2001 showed frequent occurrence of blight symptoms on leaves and stems of Columbine and Bleeding heart in botanical gardens of Gangwon and Chungnam provinces in Korea. A total of 65 isolates of Streptobotrys sp. were obtained from the infected leaves and stems of the two plants. All isolates were identified as Streptobotrys caulophylli based on their morphological and cultural characteristics. Blight symptoms were induced on leaves of the two plants by artificial inoculation with the isolates. This is the first report that S. caulophylli causes leaf and stem blight on Columbine and Bleeding heart in the world.
플라즈마 기반연구용 1kJ급 Nd:Class 레이저 구축 연구
홍성기,위상봉 한국기술교육대학교 2006 論文集 Vol.13 No.1
Until a recent 10 years, super ultra laser facility, which capacity from ~kJ to mJ class, are constructed in technology developed countries to research in the area of high density plasma and fusion technology. But in korea, it is not enough to have experience for the operation of laser facility more than 100 J class level. At this time, Korea Atomic Energy Research Institute (KAERI) are launching to construct the 1 kJ (250J-4Line) class laser experimental facility. Among the facility component, Nd:Glass laser body and high voltage power supply are donated by Japan Laser Energy Institute. The design of total process, optical system and related the other components are designed by domestic research group. In this paper, we describe the overall situation of the KLF(KAERI Laser Facility) construction research and related applied research topics by using this facility in the future.