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당일 입원 환자의 치과 수술 시 Propofol을 이용한 Monitored-Aesthesia Care (MAC)의 안정성 및 유용성에 관한 연구
김범수,김영균,윤필영,이용인,Kim, Bum-Soo,Kim, Young-Kyun,Yun, Pil-Young,Lee, Yong-In 대한치과마취과학회 2007 Journal of Dental Anesthesia and Pain Medicine Vol.7 No.2
Background: Propofol has been used extensively for short-acting intravenous sedative agent during monitored anesthesia care (MAC). This study was designed to evaluate the safety and availability of MAC using propofol in implant surgery of the one-day admission patients. Methods: In this study, subjects were divided into two groups according to ASA physical status. The heart rate, blood pressure, peripheral oxygen saturation and ECG of a patient were estimated under MAC by an anesthesiologist and the vital signs were recorded in recovery room periodically afterwards. The subjective satisfaction with regard to outpatient ambulatory surgery under MAC procedure was evaluated the next day. Results: Systolic and diastolic blood pressure were significantly decreased during MAC in ASA I group, but other remarkable changes in vital sign were not observed. There was no significant difference in pain and anxiety level between ASA I and ASA II, III group. Satisfaction rate was high in both groups. Conclusion: Monitored-Anesthesia Care using propofol during implant surgery of the one-day admission patients might be safe and available procedure because heart rate, blood pressure and oxygen saturation are stable before and during surgery, and adequate control of pain and anxiety is supported.
자연 휴양림 내 건축물의 시각적 영향에 관한 연구 - 조령산자연휴양림을 대상으로 -
김범수,Kim Bum-Soo 한국조경학회 2005 한국조경학회지 Vol.33 No.1
The aim of this study was to explain the relationship between the landscape organization and evaluating factors to harmonize the buildings with natural landscape using the landscape simulation models (near view less than $100{\cal}m$) controled the distance and obtain some knowledges about the introduction of buildings into the recreation forest. Through this study, the results were summarized as follow ;1) As the distance got to be near, the evaluation of comprehensive scenery and natural quality became low. 2) At the view points according to the distance the clear landscape organization showed a high value of scenery in comparison with the simple landscape organization, 3) As the coniferous forest showed more high value in comparison with the deciduous forest, the forest type surrounding cottage is important factor evaluating the landscape in the recreation forest area.
An Index-Building Method for Boundary Matching that Supports Arbitrary Partial Denoising
김범수,Kim, Bum-Soo The Korea Institute of Information and Commucation 2019 한국정보통신학회논문지 Vol.23 No.11
윤곽선 이미지를 시계열로 변환하는 작업은 빠르고 상호작용 방식이 매우 중요한 대용량 이미지 데이터베이스에서도 윤곽선 매칭 수행을 가능 할 수 있게 만든다. 최근 연구에서는 윤곽선 이미지를 시계열 데이터로 변환하여 부분 노이즈제거를 고려하면서 빠르게 매칭을 수행하려는 시도가 있었다. 본 논문에서는 성능 향상을 위해 임의의 노이즈제거를 위해 임의의 모든 노이즈제거 매개 변수를 고려한 색인 구축 방법을 제안한다. 이는 가능한 모든 노이즈제거 매개 변수에 따른 부분 노이즈제거를 고려해야하기 때문에 어려운 문제이다. 본 논문에서는 다차원 색인인 R*-tree를 사용하여 모든 가능한 노이즈제거 매개 변수에 의한 최소 경계 영역(MBR)을 구성하여 효율적인 단일 생성 알고리즘을 제안한다. 다양한 실험 결과, 제안한 색인 기반 매칭 방법은 검색 성능을 최대 46.6 ~ 4023.6 배나 향상시킨다.
벨로우즈 방식의 폐회로를 가진 공압식 심실 보조장치의 최적 작동을 위한 압력 조절 시스템
김범수,이정주,남경원,정기석,안치범,선경,Kim, Bum-Soo,Lee, Jung-Joo,Nam, Kyung-Won,Jeong, Gi-Seok,Ahn, Chi-Bum,Sun, Kyung 대한의용생체공학회 2007 의공학회지 Vol.28 No.4
Ventricular Assist Device(VAD) has switched its goal from a short-tenn use for bridge-to-transplantation to a long-tenn use for destination therapy, With this goal, the importance of long-tenn reliability gets more interests and importances, H-VAD is an portable extracorporeal biventricular assist device, and adopts an electro-pneumatic driving mechanism. The pneumatic pressure to pump out blood is generated with compression of bellows, and is transmitted in a closed pneumatic circuit through a pneumatic line. The existing pneumatic VAD adopts a air compressor which can generate stable pressures but has defects such as a noise and a size problem. Thus, it is not suitable for being used as a portable device, These problems are covered with adopting a closed pneumatic circuit mechanism with a bellows which has a small size and small noise generation, but it has defects that improper pneumatic setting causes a failure of adequate flow generation. In this study, the pneumatic pressure regulation system is developed to cover these defects of a bellows-type pneumatic VAD. The optimal pneumatic pressure conditions according to various afterload conditions for an optimal flow rate were investigated and the afterload estimation algorithm was developed, The final pneumatic regulation system estimates a current afterload and regulate the pneumatic pressure to the optimal point at a given afterload condition. The afterload estimation algorithm showed a sufficient performance that the standard deviation of error is 8.8 mmHg, The pneumatic pressure regulation system showed a sufficient performance that the flow rate was stably governed to various afterload conditions. In a further study, if a additional sensor such as ultrasonic sensor is developed to monitor the direct movement of diaphragm in a blood pump part, the reliability would be greatly increased. Moreover, if the afterload estimation algorithm gets more accuracy, it would be also helpful to monitor the hemodynamic condition of patients.
김범수 ( Bum-soo Kim ),이상훈 ( Sanghun Lee ),문양세 ( Yang-sae Moon ) 한국정보처리학회 2014 한국정보처리학회 학술대회논문집 Vol.21 No.2
본 논문에서는 부분 노이즈 제거를 지원하는 윤곽선 이미지 매칭의 성능 최적화 문제를 다룬다. 윤곽선 이미지 매칭에서 이미지의 노이즈를 제거하는 것은 직관적이고 정확한 매칭을 위해 매우 중요한 요소이다. 그러나, 윤곽선 이미지 매칭에서 부분 노이즈 제거를 지원하기 위해서는 매우 많은 계산이 빈번하게 발생한다. 본 논문에서는 기존 부분 노이즈 제거 윤곽선 이미지 매칭 연구를 좀 더 구체화하여 성능 향상을 위해 유사 거리의 하한을 제안한다. 실험 결과, 부분 노이즈 제거 윤곽선 이미지 매칭 성능을 수 배에서 수십 배까지 향상시킨 것으로 나타났다.
젊은 노년층의 운동지속의지에 대한 참여동기와 참여만족의 영향력
김범수(Kim, Bum-Soo),원영신(Won, Young-Sin),고대선(Ko, Dae-Sun) 한국웰니스학회 2017 한국웰니스학회지 Vol.12 No.3
본 연구의 목적은 젊은 노년층의 운동참여에 대한 참여동기, 참여만족이 지속적참여의지에 영향을 주는 요인이 무엇인지를 밝히는 것이다. 연구대상은 60-70세 노년층으로 총 305부의 설문지를 실제 분석 자료로 사용하였다. 자료처리는 Window용 SPSS 통계 Package 15.0 Version을 이용하여 빈도분석, 기술통계, 상관관계, 위계적 회귀분석 방법을 실시하였다. 위계적 회귀분석 결과는 다음과 같이 나타났다. 첫째, 노인들의 참여만족에 영향을 주는 요인으로 배우자와 내적동기가 가장 중요하다는 것을 알 수 있다. 위계적 순서로는 내적동기가 가장 높으며, 배우자가 그 다음 순으로 중요도 순위가 결정된다. 둘째, 노인들의 지속적참여의지에 영향을 주는 요인으로 내적동기, 무동기, 참여만족이며, 그 중 내적동기가 가장 높으며, 참여만족, 그리고 무동기 순으로 중요도 순위가 결정된다. The purpose of this study was examined effect of participation motivation and participation satisfaction on exercise adherence intention of young-old age. The subjects were a total 305 people that they were participate in the regular exercise. The collected data were analyzed frequency, descriptive statistics, correlation and hierarchical regression analysis using the SPSS-Win 15.0 program. The results of hierarchical regression analysis were appeared as follows. According to the results of hierarchical regression analysis, significant factors influencing participation satisfaction were spouse and intrinsic motivation. Secondly, according to the results, significant factors influencing exercise adherence intention were intrinsic motivation, amotivation, participation satisfaction. It is important that exercise adherence intention is main factor to intrinsic motivation on the young-old elderly.