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4년제 간호대학(과) 실습 비 및 실습기자재 표준안 개발을 위한 기초조사연구
신경림,박경숙,안양희,정승교,서연옥 성인간호학회 2003 성인간호학회지 Vol.15 No.2
To describe the states of the laboratory facilities, equipment and expenses for practice in a four-year nursing schools and to analyze mandatory requirements for laboratory facilities and equipment. Method: A descriptive survey research design was used. The participants were 49 of the 4-year nursing schools across the nation. The data were collected by e-mail. The return rate were questionnaires was 63.3%(n=31). Result: In 2001 the total expenses for laboratory practice were 21,865,230won and the average per student was 102,418won. Types of laboratories included single and complex. The mean size for laboratories was 318.7 m^2 and mean size for laboratories for fundamental nursing was 161.1m^2. The range for number of students in a laboratory class was 20-30 for eight universities(30.8%). Among required laboratory equipment, items that were mercury and aneroid sphygmomanometers for children, electronic sphygmomanometers. Bell type fetal stetho-scopes, sheepskin, beds for children, for gynecology, and electronic hilo beds. Among the elective equipment, items that were deficient in 50% of the universities were O^2 tents, and incentive spirometers. The number of items that needs to add to the equipment and 22 for elective equipment. Conclusion: A standardized mandatory list of equipment for laboratory facilities and expenses for practice in 4-year nursing schools needs to be developed.
열공형과 비열공형 피질하 혈관성 치매에서 위험인자의 차이에 관한 비교 연구
배희준,정지향,유경호,나덕렬,김상윤,최경규,양동원,손의주,이상도,김재우,박경원,김응규,이재홍,박미영,한일우,함동석,최문성,하충건,최성혜,이애영,이병철,한설희 대한치매학회 2003 Dementia and Neurocognitive Disorders Vol.2 No.2
Backgrounds and Objectives: Vascular dementia is a group of dementing disoders arising from various stroke syndrome. Among these. subcortical ischemic vascular dementia (SIVD) is regarded as a relatively distinct clinical entity. However, MRI patterns of SIVD are not homogenous. In some patients, lacunes are dominant, and in others, subcortical white matter changes are. This study was designed to compare risk factor profiles between SIVD with and without multiple lacunes. Methods: We divided 47 subjects (22 males, mean age. 68 years) recruited from VADAPET (Multicenter Trial For Evaluation Of The Changes In the PET Images Of Subcortical Vascular Dementia Patient) study into two groups one with more than 5 lacunes in deep gray matter (lacune group) and the other with 5 or less(non-lacune group) Clinical characteristics and laboratory findings of two groups were compared. Results: Nineteen of 47 patients (40%) belonged to the lacune group. The lacune and non-lacune groups d d not differ in the following variables: age, hypertension, diabetes mellitus, hyperlipidemia heart disease, history of stroke or TIA, history of trauma or major surgery, family history of hypertension stroke, or dementia, age at diagnosis of dementia, body mass index, white blood cell count, ESR, CRP, fibrinogen, hemoglobin A1C, total cholesterol. LDL cholesterol creatinine, proteinuria, glucosuria, and microhematuria. However, male sex, smoking alcohol. hemoglobin, and HDL cholesterol were possibly associated more with lacune group SIVD than with non-lacune group (p<0 1) Multivariate analyses revealed that smoking, hemoglobin, and HDL cholesterol were independent predictors of SIVD with multiple lacunes Conclusion: Our study suggests that SIVD with multiple lacunes may be significantly different in smoking habits hemoglobin, and HDL cholesterol from SIVD without multiple lacunes.
패치형 바이폴라 심장활동 모니터링 시스템을 이용한 스트레스 상태의 HRV 평가
양희경 ( Heui Kyung Yang ),이정환 ( Jeong Whan Lee ),이영재 ( Young Jae Lee ),김경섭 ( Kyeong Seop Kim ),이강휘 ( Kang Hwi Lee ),최희정 ( Hee Jung Choi ) 한국감성과학회 2009 감성과학 Vol.12 No.2
본 연구에서는 무구속, 무자각, 무침습적인 패치형 심장활동 모니터링 시스템(HAMS)을 개발하였다. 이 심전도 모듈은 무선 통신을 사용하여 신호를 컴퓨터로 전송 받아 실시간으로 피검자의 심장 활동 상태를 언제 어디서나 장시간 동안 손쉽게 모니터링 측정할 수 있는 이동성을 갖추고 있다. 가슴에 부착이 가능한 패치 타입의 소형 전극을 자체 제작하였고, 측정된 심전도 신호에 대한 신뢰성 검증이 이루어졌다. HRV에 대한 스트레스의 영향을 평가하기 위하여 HAMS을 이용하여 동일한 피험자를 대상으로 HRV 파라미터와 불안, 스트레스 항목에 대한 설문지 평가, 스트레스 호르몬(코티졸)양을 측정하였다. 일상 상태와 스트레스 상황에서의 값들을 비교한 결과, 많은 파라미터에서 유의미한 차이가 나타났다. 또한 피어슨 상관계수로부터 스트레스와 상관성이 높은 파라미터를 검토하였다. 이는 HAMS를 이용하여 자율신경계 기능 평가가 충분히 가능하다는 것을 보여주는 것이다. 이러한 결과로부터 HAMS를 통하여 일상생활에서 심장 이상을 예측할 수 있으며, 건강 모니터링 시스템으로 활용도가 높을 것으로 기대된다. In this study, we have developed the patch type HAMS (Heart Activity Monitoring System) which is non-restricted, non-awarable and non-invasive. The module using wireless telecommunication to receive the ECG (electrocardiogram) signal at the computer has mobility which it easily monitors the heart activity of subjects in no time for long term at any time and places. We developed the small patch type electrode which can be attached on the chest. Also the reliability and moving artifact of ECG signal measured by this electrode have been verified. Using HAMS, we measured the HRV (Heart Rate Variability) parameters, the questionnaire evaluation for anxiety and stress and the amount of stress hormone (cotisol) to evaluate the stress effect in HRV on the same subject. As a result of comparing the values under non stressed and stressed condition, there was significant difference on many parameters. And the parameter highly related with stress on Pearson`s Correlation Coefficient has been examined. These show that using HAMS is able to evaluate the function of autonomic nervous system. Therefore, we can predict heart problem in daily life by using HAMS. Also we expect that this module can be applied for more application as health monitoring system.
조도조건에 따른 VDT작업자의 주관감 및 생리신호를 이용한 각성도 평가
양희경 ( Heui Kyung Yang ),고한우 ( Han Wo Ko ),윤용현 ( Yong Hyeon Yun ),김묘향 ( Myo Hyang Kim ) 한국감성과학회 2002 춘계학술대회 Vol.2002 No.-
본 연구에서는 조도조건에 따른 VDT작업자의 각성도를 평가하기 위하여 10 lx와 1500 lx 2종류의 조도 조건으로 하여 모니터 상에서 1자리 숫자 3개를 더하는 단조연산작업을 수행하였다. 그 결과 155 lx보다 비교적 졸음이 쉽게 유발되며 주의집중정도가 낮은 조도 10 lx에서의 정답률이 더 낮게 나왔다. 또한, 두 조도조건 하에서 호흡간격은 작업수행시 큰 차이가 안 나타난 반면 RR간격은 10 lx에서는 작업수행 횟수가 증가함에 따라 점차 증가하지만 1500 lx에서는 거의 변화가 없었다.
양희경(Heui-Kyung Yang),이정환(Jeong-Whan Lee),이영재(Young-Jae Lee),이재호(Jae-Ho Lee),임민규(Min-Gyu Lim),백종현(Jong-Hyen Baek),송용수(Yong-Soo Song) 대한전기학회 2012 전기학회논문지 Vol.61 No.6
The study for the passenger’s comfortableness of vehicles and the arousal of car drivers has been done widely. On the other hand, there are few studies for the locomotive engineers. Human error means that the mistakes made by human, recently it receives attention in the field of safety engineering and human engineering. Comparing the operating condition of train with car, because of the simplification of the visual stimulus, the arousal level on the train goes down easily . The arousal level down makes judgement down, the accident risk from human error is getting bigger. In this study, we measured bio-signals(ECG, EDA, PPG, respiration and EEG) from 6 locomotive engineers to evaluate their arousal state while they operated the train. Also we recorded the 3 axes acceleration signal showing the vibration state of train. Also, the existence of tunnels were simultaneously measured. At the station section where the train speed goes down, the size of vector"s sum decreases because of reduced vibration. Beta component in EEG tends to increase at the entering point of each station and tunnel. It is due to the arousal reaction and tension growth. The mean SCR(skin conductance response) was more increased in neutral section. As the button control movement (body movement) increases in the neutral section, it is appeared that SCR increase. RR interval tends to gradually increase during train operation for 1 hour 40 minutes. However, It tends to sharply decrease at the stop station because strong concentration needed to stop train on the exact point. The engineer’s arousal reaction can be checked through analysing the bio-signal change during train operation. Therefore, if this analysing result is adopted to the sleepiness prevention caution system, it will be useful for the safety train operation.