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      • KCI등재후보

        온열요법과 기치유요법이 어깨근통증 압통역치에 미치는 영향

        이석복 ( Lee Seok Bok ),이민선 ( Lee Min Sun ),이형환 ( Hyung H Lee1 ) 한국자연치유학회 2014 Journal of Naturopathy Vol.3 No.1

        In this study, we wanted to understand the influence of thermotherapy, Qi-therapy, and their combination therapy on the oppressive muscular pains in shoulders. For the clinical study, 102 subjects were divided into 3 groups of thermotherapy, Qi-therapy, and the combination therapy to see the differences in the therapeutic effects. The treatments were taken 5 times for 2 weeks in 3-day intervals and pre- and post-treatment assessments were undertaken for the visual pain assessment (VAS, visual analogue scale) and experimental pressure threshold in 8 points in the relevant muscles (PPT). VAS score was decreased by 39% after thermotherapy, 66.5% after Qi-therapy, and 72.3% after combination therapy, all with significance (p<.05). The experimental pressure thresholds of shoulder muscles, the upper trapezius muscles, the lower trapezius muscles, the anterior trapezius muscles. the supraspinous muscles, the greater pectoral muscles, and the sternocleidomastoid muscles were increased by 4.3~11.3% after thermotherapy, 5.9~19.9% after Qi-therapy, and 9.3~25.4% after combination therapy. The experimental pressure thresholds in the 8 points in the relevant muscles did not show a significant difference between the Qi-therapy and combination therapy in the upper and lower trapezius muscles, however, did show a significant difference to the thermotherapy. In the shoulder muscles, anterior and posterior trapezius muscles, supraspinous muscles, supraspinous muscles, greater pectoral muscles, and sternocleidomastoid muscles, there were significant superiorities in Qi-therapy over thermo therapy, and in the combination therapy over Qi-therapy. In conclusion, it could be understood that both thermotherapy and Qi-therapy have been effective in the improvement of pains, and especially combination therapy showed better effectiveness. It is expected to apply these natural therapies to the pain treatment of human body to contribute to the improvement of health and welfare.

      • KCI등재
      • KCI등재

        지역사회 정신의학 전공의 교육과정 실태조사

        홍진표,황순찬,이영문,이선형,신나리,이종일,박종익,장동원,정인원 大韓神經精神醫學會 2008 신경정신의학 Vol.47 No.1

        Objectives : There is a increasing need to recruit and retain more psychiatrists who can plan and implement organized programs to work with chronic mentally ill patients in community settings. The aim of study is to discover what training is currently in place to prepare psychiatrist for work in "community" or "public" settings. Methods : Survey questionnaires were mailed to 85 residency training directors and 10 leaders of community mental health in 2005. Response rate was 75%. Results : Academic seminar about community mental health were not administered to residents in 63% of training hospitals. Forty one out of 64 training hospitals had community mental health rotation programs, Community mental health center (50%) and day hospital (36%) were the most common type of programs. Few general hospital had affiliation with community mental health programs. The amount of time for clinical rotation varied from less than three months part time to 6 months fulltime, with most frequent form of one day per week for three month in second or third year of psychiatry residents. Conclusion : Further steps are needed to improve residency training curricula and to encourage well qualified psychiatrist to choose careers in community psychiatry.

      • 관상동맥 질환에서 SDF-1α의 농도

        김보영,박용규,박형서,노상필,정승현,이유선,이정우,이재환,최시완,정진옥,성인환 충남대학교 의과대학 의학연구소 2003 충남의대잡지 Vol.30 No.1

        Atherosclerosis is now viewed as an inflammatory disease of the vascular system. Expression of several chemokines, including monocyte chemoattractant protein(MCP)-1, MCP-4, RANTES(regulated on activation normal T-cell expressed and secreted), and interleukin-8(IL-8) are increased in human atherosclerotic plaques compared with normal vessels. They are involved in the pathogenesis of atherosclerosis and plaque rupture by activating and directing leukocytes into the atherosclerotic lesions. However, some are involved in homeostatic functions such as normal leukocyte traffic and growth regulation. SDF-la is a multi-functional cytokine that is involved in myelogenesis, hematopoiesis, angiogenesis and injured gastric mucosal regeneration in the gastric ulcer patient. SDF-la is recently shown to be highly expressed in atherosclerotic plaques and a potent platelet agonist. At least in high concentrations, SDF-la may mediate antiinflammatory and matrix stabilizing effects in unstable angina. Many studies are going on to know the function of SDF-la in coronary artery diseases. I investigated the difference of the plasma level of SDF-la between control group and coronary artery disease group. Total 75 subjects were enrolled. The diagnosis of coronary artery disease was confirmed in all patients by coronary angiography. Control subjects in this study were confirmed normal by coronary angiography. Clinical profile and risk factors were also reviewed. Control subjects in this study were 27 (M=10, F=17). Plasma for the study was collected before the angiography and centrifuged. SDF-la analysis was performed by ELISA. Plasma level of SDF-la is significantly increased in patients with stable angina(n=20) and unstable angina group(n=28) compared with healthy control group(n=27). the risk factors do not influence the plasma level of SDF-la in coronary artery diseases. In this study, plasma level of SDF-la is increased in patients with stable angina and unstable angina groups compared with healthy control group(P<0.05). the risk factors do not influence the plasma level of SDF-la in coronary artery diseases.

      • KCI등재

        Overlay 기반의 WiBro와 WLAN 이종망 연동을 위한 Vertical 핸드오버 구현 및 성능 측정에 관한 연구

        이재호,류형근,강선무,이재용,김승천 한국정보사회진흥원 2007 정보화정책 Vol.14 No.3

        유비쿼터스 사회를 위한 미래 네트워크는 다양한 이종 무선망이 혼합된 형태가 될 것으로 예상되고 있다. 본 논문에서는 개별 무선망의 특징을 최대한 활용하여 1,270,000㎡ 면적의 KAIST(Korea Advanced Institute of Science and Technology) 대학교 캠퍼스에 IEEE 802.16e/WiBro와 IEEE 802.11/WLAN 를 복합적으로 설치하여 건물외부에서는 WiBro, 건물내부에서는 WLAN으로 자동 스위칭 되는 Vertical 핸드오버 System을 구축하고 이동 성능을 분석하였다. 이종망 통합 과정에서 제조사 및 통신사업자의 사정으로 인하여 Mobile IP를 지원하지 않는 라우터들이 존재하였고, 특히 현재 WiBro에 사용되는 ACR(Access Control Router)은 Mobile IP를 지원하지 않기 때문에 이를 해결하기 위하여 Overlay 기반의 Mobility 기법을 적용하였다. 본 연구에서는 실제로 대규모 통신망을 구현하고, 이에 대한 성능시험을 시행한 후 handover delay 시간 분석을 통한 현장 적용 가능성 및 개선 필요사항을 도출하였다. 그 결과 이종망간 핸드오버 시간은 평균 2.58초로써 일반 데이터 서비스는 이종망간 연속성이 보장됨을 확인하였고, 음성∙영상과 같은 실시간 서비스는 중간에 지연시간이 발생하나 응용서비스 세션 자체는 유지됨을 확인하였다. The future network is forecast with the fact that the form where the various heterogeneous wireless networks. In this paper we build both IEEE 802.16e/WiBro and IEEE 802.11/WLAN network on the KAIST(Korea Advanced Institute of Science and Technology) campus(1,270,000m2) as well as established the vertical handover system which supported WLAN in the building and WiBro outside the building. A Mobile IP is considered for the efficient vertical mobility function in IEEE 802.16/WiBro and IEEE 802.11/WLAN environment. However, during the deployment of WiBro, only some of the ACRs(Access Control Router) can support the Mobile IP function. Therefore, WiBro network can not support the mobility function for the mobile node. In this paper, we implement an overlay-based Mobile IP function and measure the performance through a field trial. Moreover, we evaluate the possibility of commercial deployment and suggest areas that need to be improved. The average handover time between WiBro and WLAN was 2.58 seconds. As a result, the user application session maintained but real time applications were delayed during the handover time.

      • 자동차 부분품 생산업체의 작업환경 실태에 관한연구

        이기선,안형환 忠州大學校 2008 한국교통대학교 논문집 Vol.43 No.-

        This study was carried out to provide not only measures of occupational disease prevention through the working environmental control of automobile part's production metal processing company and worker's health-care but preliminary data of this field later with the grasping of exposed real condition and the exposure standard excess status of the physical and chemical factorWonju and Hoeongseong. As above result, the more positive working environment improvement will be accomplished on exceeded working process of exposure standard, even though less than that, working environment control of occupational disease prevention level on hazardous process should be achieved. Also additional study on exposure level of hazardous factor and health status to occurring in the automobile parts production metal processing companies which are located in individual workers should be carried out.

      • 웹 사이트 발전단계에 따른 평가모형 구축과 활용에 관한 연구

        이선구,임춘성,서형식 한국경영과학회 2002 한국경영과학회 학술대회논문집 Vol.- No.1(1)

        As the interest in internet business increases, effective web site evaluation is in order. While web site evaluation is supposed to be based on feasible applicability and trust-worthy criteria, many researches on web site evaluation fails to cover the various business models and consider corporate-activity-related features. Besides, dealing with the limited aspects such as design and cognitive science is something to be desired on the previous researches. Therefore, This paper presents internet web site evaluation framework not only based on existing researches and analysis but also reflecting corporate strategies. The framework includes web sites contents, design, operation and management-related factors, and it is applied to companies to validate its applicability.

      • 완전 방실차단을 동반한 급성 심근염

        이유선,정진옥,박용규,박형서,노상필,정승현,김정희,이재환,최시완,성인환 충남대학교 의학연구소 2003 충남의대잡지 Vol.30 No.2

        급성 심근염환자에서 발행한 완전 방실차단을 영구 심장박동 조율기로 치료한 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Myocarditis, an inflammatory process involving the myocardal wall, may be caused by most infectious agents. Irrespective of its etiology, it presents commonly with evidence of heart failure, hypotension, and various electrocardiographic abnormalities. Patient with myocarditis may be asymptomatic or may have a rapidly progressive fatal disease. Medical management of patients with myocarditis includes specific therapy for underlying infection and control of the complication of myocarditis such as congestive heart failure and arrhythmia. Recently we had experienced myocarditis with complete atrioventricular block in 37-year-old man. Although he had shown complete recovery of heart failure, he had shown complete atrioventricular block, so we inserted permanent pacemaker. We report it with review of the literature.

      • KCI등재후보
      • RFID 시스템용 충돌 방지 알고리즘 제안

        이우경,김선형 순천향대학교 부설 산업기술연구소 2005 순천향 산업기술연구소논문집 Vol.11 No.2

        In this thesis, a RFID baseband system is implemented based on the international standard ISO/IEC 18000-6 Type-B using FPGA, and also anti-collision algorithm is implemented to improve the system performance. We compares the performance of the proposed anti-collision algorithm with that binary tree algorithm and bit-by-bit algorithm, and also validated analytic results using OPNET simulation. The convolutional encoding, viterbi decoding and spread spectrum is also implemented to improve the system performance

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