• Title/Summary/Keyword: extrinsic cause

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Retrospective Survey on the Mortality by Extrinsic Disease in Non-human Primates at Zoological Gardens (동물원 영장류에서 외인성 질환에 의한 폐사원인 분석)

  • 신남식;권수완;이기환;김양범;김명철;이재일;현병화;최양규;이철호
    • Journal of Veterinary Clinics
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    • v.17 no.1
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    • pp.88-92
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    • 2000
  • In Everland Zoological Gardens, the mortality by extrinsic cause in non-human primates during 1976∼1999 were retrospectively analyzed based on the clinical charts and/or autopsy reports. The number of deaths from extrinsic factor was 61 among a total of 161 monkeys which were died during that period. Among 61 monkeys of death from extrinsic factor, the number at a detailed cause were as follows: strangulation, 17(27.87%); accident fall, 15(24.59%); suffocation, 13(21.31%); drowning, 7(11.48%); death from pressure, 2(3.28%); collision, 2(3.28%); sunstroke, 1(64%); starvation, 1(1.64%); freezing to death, 1(1.64%); contusion, 1(1.64%). The number of deaths from extrinsic factor was 39 among a total of 81 squirrel monkeys which were died during that period. Among 39 squirrel monkeys of death from extrinsic factor, the number at a detailed cause were as follows; suffocation, 11(28.21%); accident fall, 8(20.51%); strangulation, 7(17.95%); drowning, 7(17.95%); death from pressure, 2(5.13%); starvation, 1(2.56%); collision, 1(2.56%). The number of deaths from extrinsic factor was 14 among a total of 50 Japanese macaque died during that period. Among 14 Japanese macaque from extrinsic factor, the number at a detailed cause were as follows; strangulation, 7(50.55%); accident fall, 6(42.85%); suffocation, 1(7.14%). It was considered that far facilities, adequate space and suitable indoor temperature are needed for the prevention of deaths of extrinsic cause at the monkey raising in zoological gardens or research center.

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Prevention of Falls in the Elderly: A review of exercise interventions (노인 낙상예방을 위한 운동중재에 관한 고찰)

  • Cho Mi-sook;Park Rae-joon
    • The Journal of Korean Physical Therapy
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    • v.15 no.2
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    • pp.157-167
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    • 2003
  • Falls are a leading cause of injury, disability and death among people older than 65. Even without injury, falls cause a loss of confidence that results in reduced physical activity, increased dependency and social withdrawal. Fall prevention in the eldery people is a multifaced task that includes both the identification of risk factors and their modification strategies. Fall risk factors have been identified as both intrinsic and extrinsic. Intrinsic factors are those related to the physical and cognitive function of the person. Extrinsic factors are those which are included in the environmental hazards of everyday life. Combinations of interventions aimed at modifying both intrinsic and extrinsic risk factors can result in significant fall prevention in the geriatric population. This article selectively reviews the literature reporting exercise intervention to improve strength, balance and mobility.

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Testing the Auto-regressive Cross-lagged Effects Between Relative Extrinsic Value Orientation and Life-satisfaction (상대적 외적 가치 지향과 삶의 만족 간 자기회귀교차지연 효과 검증)

  • Koo, Jaisun
    • Science of Emotion and Sensibility
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    • v.22 no.4
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    • pp.85-96
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    • 2019
  • The relative extrinsic value orientation (REVO) means the relative importance to extrinsic values (e.g. wealth, fame and social approval) compared with intrinsic values (e.g. affiliation, self-acceptance and personal growth). This study aimed to investigate the causal relation between REVO and life-satisfaction using the auto-regressive cross-lagged modeling. For this purpose, 3rd, 5th, and 7th year data from the Korea Children and Youth Panel Survey (KCYPS) middle school 1st grade panel was analyzed (N = 2,259; 1,140 males and 1,119 females). The results are as follows; Firstly, positive auto-regressive effects of REVO and life-satisfaction were significant. Secondly, REVO was found to have negative and cross-lagged effect on life-satisfaction. However, cross-lagged effect from life-satisfaction to REVO was not significant. Finally, no gender difference was found in this relationship. These results suggest that low life satisfaction does not cause the relative extrinsic value orientation, but high relative extrinsic value orientation may cause low life satisfaction.

Partial-Thickness Rotator Cuff Tears

  • Shin, Keun-Man
    • The Korean Journal of Pain
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    • v.24 no.2
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    • pp.69-73
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    • 2011
  • Although the incidence of partial-thickness rotator cuff tears (PTRCTs) was reported to be from 13% to 32% in cadaveric studies, the actual incidence is not yet known. The causes of PTRCTs can be explained by either extrinsic or intrinsic theories. Studies suggest that intrinsic degeneration within the rotator cuff is the principal factor in the pathogenesis of rotator cuff tears. Extrinsic causes include subacromial impingement, acute traumatic events, and repetitive microtrauma. However, acromially initiated rotator cuff pathology does not occur and extrinsic impingement does not cause pathology on the articular side of the tendon. An arthroscopic classification system has been developed based on the location and depth of the tear. These include the articular, bursal, and intratendinous areas. Both ultrasound and magnetic resonance image are reported with a high accuracy of 87%. Conservative treatment, such as subacromial or intra-articular injections and suprascapular nerve block with or without block of the articular branches of the circumflex nerve, should be considered prior to operative treatment for PTRCTs.

Long-Term Extrinsic Uniformity Analysis of Gamma Cameras (감마카메라의 중장기 외인성 균일도 분석)

  • Yoon-Jae Kim;Woo-Young Jung;Dong-Hoon Lee
    • The Korean Journal of Nuclear Medicine Technology
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    • v.27 no.1
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    • pp.36-41
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    • 2023
  • Purpose The long-term trend of extrinsic uniformity by type of gamma camera was analyzed, and the factors affecting uniformity were investigated. Based on this, the purpose was to predict the life of the gamma camera, pay attention to factors that affect uniformity, and obtain better quality images. Materials and methods Four of the gamma cameras in operation at a senior general hospital in Seoul were selected and the trend of extrinsic uniformity from the first operation date to the present was analyzed. In order to minimize various factors affecting uniformity, a detailed analysis was conducted by calculating the monthly and annual average of the uniformity values. Results Two Symbia E gamma cameras from SIEMENS, one Symbia Evo Excel gamma camera, and one Symbia Intevo16 gamma camera were selected and analyzed. The uniformity of Symbia E1 (2012 warehousing) changed unevenly, and the uniformity of Symbia E2 (2014 warehousing) changed according to the replacement cycle of 57Co sheet sources. The uniformity of Symbia Evo Excel (received in 2017) and Symbia Intevo 16 (received in 2017) was constant compared to Symbia E. Conclusion The extrinsic uniformity of the gamma camera gradually increased over time. However, there was a difference in uniformity for each type of gamma camera, and there was a change in uniformity in which the cause could not be accurately identified. In order to improve the quality of the image, it is necessary to periodically check changes in uniformity and minimize factors that affect uniformity.

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A Study on the Relationship between Air Traffic Controllers' Safety Culture and Their Complex Mitigation Strategies: Using a Safety Culture Measurement Tool with Intrinsic and Extrinsic Levels (항공교통관제사의 안전문화와 업무복잡성 완화전략의 관계성 연구: 안전문화의 내재적 및 외재적 수준 측정도구를 활용하여)

  • Jeon, Jong-Duk;Lee, Nam-Ryung;Kim, Geun-Su
    • Journal of the Korean Society for Aviation and Aeronautics
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    • v.28 no.1
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    • pp.22-33
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    • 2020
  • Due to recent increased air traffic,, air traffic controllers in charge of en-route and approach control have faced huge increase in both workload and its intensity. The purpose of this paper is to analyze how much safety culture of air traffic controllers has effect on their complexity mitigation strategies during their duties. It could be expected complexity mitigation improve air traffic flow resulting in enhancing safety eventually. According to empirical analysis against air traffic controllers in civil aviation and air force in South Korea, it was proven safety culture had a statistically positive effect on complex mitigation strategies through safety behavior. In safety culture among air traffic controllers, intrinsic culture had a positive effect on extrinsic value of safety culture. Intrinsic value of safety culture led to air traffic controllers' safety behavior which created work complexity mitigation strategies. Among work complexity mitigation strategies, communication and cooperation was proven to be the most important factor effected by safety culture and behavior. It was implied that enhancing the intrinsic values of safety culture would cause to improve extrinsic safety culture and air traffic controller's work efficiency.

The Effect of External Attributes of Eco-Friendly Product on Perceived Values, Perceived Risk and Purchasing Intention : Focus on Organic Milk Product in China (친환경 제품의 외재적 속성이 지각된 가치, 지각된 위험 및 구매의도에 미치는 영향: 중국 유기농우유를 중심으로)

  • Piao, Xuexu;Park, Sang-Moon
    • Asia-Pacific Journal of Business
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    • v.10 no.1
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    • pp.55-72
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    • 2019
  • Natural disasters and transient resource extraction cause new environmental problems and the waste of resources has also become a big problem. Because these kinds of environmental damage and pollution are harmful to human beings, the problem of environmental protection has become a global issue. In this situation, most consumers prefer Eco-Friendly products that benefit their health and can reduce environmental pollution as well. Businesses also try to develop marketing strategies that position products focused on the environment. At this point, the study has categorized extrinsic properties of Eco-Friendly products into brand images, the reliability of Eco-marks, advertisement views, and researches how the properties have effects on the perceived values and perceived risk in the process of consuming and how the perceived values and perceived risk have implications for purchasing intention. The consumer's perceived values are classified into emotional, social and Eco-friendly values. On the research of existing Chinese consumers or organic milk products, this study explains how the Chinese consumers make an assessment of the extrinsic property of Eco-Friendly products in the Chinese market and provide strategic implications to the Chinese market entrants.

Degradation analysis of AlGaAs/GaAs HBTs and improvement of reliability by using InGaP ledge emitter (AlGaAs/GaAs HBT의 열화분석과 InGaP ledge 에미터에 의한 신뢰도 개선)

  • 최번재;김득영;송정근
    • Journal of the Korean Institute of Telematics and Electronics D
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    • v.35D no.7
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    • pp.88-93
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    • 1998
  • For the self-aligned AlGaAs/GaAs HBTs, the surface states at the interface between the extrinsic base surface and the passivation nitride is a major cause of degradation of dc characteristics. In this paper the degradation mechanisms of self-aligned AlGaAs/GaAs HBT were analyzed, and GaAs HBTs, which employed an InGaP ledge emitter structure formed by the nonself-aligned process to cover the surface of the extrinsic base and reduce the surface states, produced high reliability. Accoridng to the acceleration lifetime test, the nonself-aligned InGaP/GaAs HBTs produced very reliable dc characteristics comparing with the self-aligned AlGaAs/GaAs HBTs. The activation energy was 1.97eV and MTTF $4.8{\times}10^{8}$ hrs at $140^{\circ}C$ which satisfied the MIL standard.

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Controversy in Pathophysiology of Rotator Cuff Tear: Degenerative Tear (회전근 개 파열의 병리 생태학에서의 논쟁점: 퇴행성 파열)

  • Kim, Young-Kyu
    • Clinics in Shoulder and Elbow
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    • v.11 no.2
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    • pp.71-76
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    • 2008
  • The pathophysiology of rotator cuff tears and the progression of asymptomatic tears to symptomatic tears are yet unclear and much controversy. It is likely to involve a number of factors such as a genetic predisposition, extrinsic impingement from structures surrounding the cuff and intrinsic degeneration from changes within the tendon itself. Degenerative changes in the rotator cuff with aging seem to be related to the anatomic and mechanical environment of the rotator cuff. The histopathologic appearance of rotator cuff tendon rupture specimens demonstrates a consequence of degenerative changes at the site of tendon insertion into bone. It weakens the tensile strength of the tendon. Is the process of degeneration intrinsic or extrinsic in nature? I suggest that degeneration is intrinsic and not caused by extrinsic factors. Even though, rotator cuff tear may be secondary to multiple factors, I believe that primary cause of rotator cuff tears is preexisting degenerative change.

Human-Technology Integration for Implementing Electronic Approval System in a Hospital (의료기관 전자결제시스템 도입을 위한 Human-Technology Integration에 관한 연구)

  • Park, Jae-Sung;Park, Ki-Soo
    • Korea Journal of Hospital Management
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    • v.7 no.3
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    • pp.102-120
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    • 2002
  • The purpose of study is to understand human-technology integration mechanism by using the study model that takes the core concept and motivation assumptions of technology acceptance model(TAM) into account. This study identifies three motivation mechanisms in adopting or using computer mediated communication(CMC) tool for work. The mechanism comprises with extrinsic, extrinsic motivation, and subjective norm pressure. One hospital with 430 beds and 367 human power was identified and we administered the questionnaire during their work hours. There is 32.4% response rate. The fitting index of the study model surpass the acceptable level, GFI = .980 for none-users, GFI =.986 for users, NNFI = .973 for none-users, and NNFI = .989 for users. In the case of none-users, perceived ease of use determines perceived usefulness that explains behavioral intention to use. As a result, adotpers' usage motivation is based on extrinsic motivation that does not consider their affective factor, attitude, in use of CMC. Users considers their attitudes as the mediating factor of all behavioral beliefs for using CMC continually. Thus, users are likely to depend their adoption behaviors on their affective factor. Moreover, users' behavioral intention is subject to pressures of use from other persons who are important to them, such as supervisor, director, or boss. Achieving human-technology integration in a hospital may cause cost saving and work efficiency. However, the success of information system should base on a profound understanding of employees' adoption behaviors in rejecting, adopting, using, continually using of IT, and organization culture in using IT.

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