• 제목/요약/키워드: Priority-based control

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국민건강영양조사 자료를 이용한 가공식품 데이터베이스 구축 (Development of processed food database using Korea National Health and Nutrition Examination Survey data)

  • 윤미옥;이현숙;김기랑;심재은;황지윤
    • Journal of Nutrition and Health
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    • 제50권5호
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    • pp.504-518
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    • 2017
  • 본 연구는 가공식품의 섭취량이 증가하는 현실에서 국민건강영양조사 자료를 통한 정확한 영양소 섭취량 산출을 위해 국민건강영양조사의 원자료 중 최근 5년간 (2010~2014) 등장한 가공식품 4,858건에 대한 영양성분 DB를 구축하고, 이를 제6기 1차 년도 국민건강영양조사 (2013년) 자료에 적용하여 영양소 14종의 섭취량을 산출하여 구축한 DB에 대한 유용성을 검토하였다. 가공식품의 영양성분 DB 구축을 위해 국내 국가기관에 신고된 가공식품 목록 8,785건, 반조리 식품 자료배합비, 국내 국립기관에서 발간된 식품성분표 1종, 제조사 및 인터넷 등을 통해 수집된 자료를 모아 가공식품에 대한 수준별 DB를 구축하였다. 매칭 식품과 유사 식품 DB를 모두 적용 후 가공식품 섭취량은 505.8 g (30.8%)로 추정되었으며 총섭취량에 대한 기여율은 각각 에너지 29.5%, 탄수화물 27.0%, 단백질 36.7%, 지방 26.5%, 식이섬유 16.1%로 나타났다. 또한 DB 적용 후 대부분의 영양소 섭취량이 유의한 차이를 보여 구축된 DB의 유용성을 보여준다고 사료된다. 나트륨의 경우 가공식품으로 부터의 섭취량이 DB 적용 전 후 2,527.6 mg에서 3,006.2 mg으로 증가하였다. 국민건강영양조사자료의 영양소 섭취량 추정에 필요한 에너지 및 영양소 14종에 대한 국내 분석값 자료가 거의 없는 현실에서 본 연구는 DB 구축을 위한 계산값이나 대체값의 원칙을 세우고 문서화하여 가공식품 DB 구축을 위한 틀을 만들어 향후 DB 구축, 유지, 확대 등 식품영양 DB의 체계적 관리의 기초를 제공하였으며 국민건강영양조사자료를 이용하여 가공식품을 통한 영양소 섭취량 추정을 했다는 측면에서 의미가 있다고 사료된다. 향후 지속적이고 체계적인 가공식품 DB 구축과 관리가 필요하다.

식품으로 인한 유해물질 노출평가를 위한 설문지 개발 (Developing a Questionnaire to Assess Exposure to Food-Borne Hazards)

  • 신상아;최슬기;김혜미;이경윤;신상희;이정원;유수현;남혜선;윤혜정;정효지
    • Journal of Nutrition and Health
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    • 제44권1호
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    • pp.61-73
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    • 2011
  • 본 연구는 유해물질 인체 노출 요인의 가장 큰 부분을 차지하는 식생활에 대한 과학적이고, 유해물질 인체 노출 조사 결과의 신뢰성을 높일 수 있는 표준화된 설문지를 개발하는 것이다. 본 연구의 결과를 요약하면 다음과 같다. 1) 본 연구에서는 문헌고찰 및 자문회의를 통해 식품으로인한 유해물질 노출의 대상물질을 11종 선정하였다. 11개 유해물질은 프탈레이트, 아플라톡신, 비스페놀A, PAHs, 다이옥신, PCBs, 수은, 납, 카드뮴, 비소, 아크릴아마이드를 선정하였다. 2) 선정된 유해물질별로 종류와 특성을 파악하고, 식품을 통한 노출 수준, 노출방법, 노출경로 등을 조사하였다. 유해물질별로 노출 특성을 반영하여 선정된 11개의 유해물질 노출평가를 위한 공통 설문 문항을 도출하였다. 3) 11개의 유해물질 노출평가를 위한 설문지를 토대로 통합적인 설문지를 개발하였다. 개발한 식생활 조사지는 인구학적 특성, 직업 특성, 사회경제적 특성, 건강 관련 특성, 식품 섭취 행태 관련 문항을 포함하였다. 식품섭취행태를 조사하기 위해 19개의 식품군을 세분화하여 총 99개의 식품목록으로 개발하였고, 지난 1년간 섭취한 식품의 빈도와 구매시 주로 사용하는 용기, 보관시 주로 사용하는 용기, 주로 사용하는 조리방법에 대한 질문을 포함하였다. 이상의 연구 결과를 토대로 본 연구에서 개발한 식품으로 인한 통합적 유해물질 노출평가 설문 조사지를 이용하여 우리 국민의 유해물질 노출 수준을 파악하고, 위험 집단을 선별하는 연구 수행을 실시할 수 있을 것이다. 이를 통해 유해물질 노출관리를 위한 정책 수립을 위한 기초 자료를 생산할 수 있다는데 그 의의가 있다.

가족계획과 모자보건 통합을 위한 조산원의 투입효과 분석 -서산지역의 개입연구 평가보고- (An Intervention Study on Integration of Family Planning and Maternal/Infant Care Services in Rural Korea)

  • 방숙;한성현;이정자;안문영;이인숙;김은실;김종호
    • Journal of Preventive Medicine and Public Health
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    • 제20권1호
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    • pp.165-203
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    • 1987
  • This project was a service-cum-research effort with a quasi-experimental study design to examine the health benefits of an integrated Family Planning (FP)/Maternal & Child health (MCH) Service approach that provides crucial factors missing in the present on-going programs. The specific objectives were: 1) To test the effectiveness of trained nurse/midwives (MW) assigned as change agents in the Health Sub-Center (HSC) to bring about the changes in the eight FP/MCH indicators, namely; (i)FP/MCH contacts between field workers and their clients (ii) the use of effective FP methods, (iii) the inter-birth interval and/or open interval, (iv) prenatal care by medically qualified personnel, (v) medically supervised deliveries, (vi) the rate of induced abortion, (vii) maternal and infant morbidity, and (viii) preinatal & infant mortality. 2) To measure the integrative linkage (contacts) between MW & HSC workers and between HSC and clients. 3) To examine the organizational or administrative factors influencing integrative linkage between health workers. Study design; The above objectives called for quasi-experimental design setting up a study and control area with and without a midwife. An active intervention program (FP/MCH minimum 'package' program) was conducted for a 2 year period from June 1982-July 1984 in Seosan County and 'before and after' surveys were conducted to measure the change. Service input; This study was undertaken by the Soonchunhyang University in collaboration with WHO. After a baseline survery in 1981, trained nurses/midwives were introduced into two health sub-centers in a rural setting (Seosan county) for a 2 year period from 1982 to 1984. A major service input was the establishment of midwifery services in the existing health delivery system with emphasis on nurse/midwife's role as the link between health workers (nurse aids) and village health workers, and the referral of risk patients to the private physician (OBGY specialist). An evaluation survey was made in August 1984 to assess the effectiveness of this alternative integrated approach in the study areas in comparison with the control area which had normal government services. Method of evaluation; a. In this study, the primary objective was first to examine to what extent the FP/MCH package program brought about changes in the pre-determined eight indicators (outcome and impact measures) and the following relationship was first analyzed; b. Nevertheless, this project did not automatically accept the assumption that if two or more activities were integrated, the results would automatically be better than a non-integrated or categorical program. There is a need to assess the 'integration process' itself within the package program. The process of integration was measured in terms of interactive linkages, or the quantity & quality of contacts between workers & clients and among workers. Intergrative linkages were hypothesized to be influenced by organizational factors at the HSC clinic level including HSC goals, sltrurture, authority, leadership style, resources, and personal characteristics of HSC staff. The extent or degree of integration, as measured by the intensity of integrative linkages, was in turn presumed to influence programme performance. Thus as indicated diagrammatically below, organizational factors constituted the independent variables, integration as the intervening variable and programme performance with respect to family planning and health services as the dependent variable: Concerning organizational factors, however, due to the limited number of HSCs (2 in the study area and 3 in the control area), they were studied by participatory observation of an anthropologist who was independent of the project. In this observation, we examined whether the assumed integration process actually occurred or not. If not, what were the constraints in producing an effective integration process. Summary of Findings; A) Program effects and impact 1. Effects on FP use: During this 2 year action period, FP acceptance increased from 58% in 1981 to 78% in 1984 in both the study and control areas. This increase in both areas was mainly due to the new family planning campaign driven by the Government for the same study period. Therefore, there was no increment of FP acceptance rate due to additional input of MW to the on-going FP program. But in the study area, quality aspects of FP were somewhat improved, having a better continuation rate of IUDs & pills and more use of effective Contraceptive methods in comparison with the control area. 2. Effects of use of MCH services: Between the study and control areas, however, there was a significant difference in maternal and child health care. For example, the coverage of prenatal care was increased from 53% for 1981 birth cohort to 75% for 1984 birth cohort in the study area. In the control area, the same increased from 41% (1981) to 65% (1984). It is noteworthy that almost two thirds of the recent birth cohort received prenatal care even in the control area, indicating that there is a growing demand of MCH care as the size of family norm becomes smaller 3. There has been a substantive increase in delivery care by medical professions in the study area, with an annual increase rate of 10% due to midwives input in the study areas. The project had about two times greater effect on postnatal care (68% vs. 33%) at delivery care(45.2% vs. 26.1%). 4. The study area had better reproductive efficiency (wanted pregancies with FP practice & healthy live births survived by one year old) than the control area, especially among women under 30 (14.1% vs. 9.6%). The proportion of women who preferred the 1st trimester for their first prenatal care rose significantly in the study area as compared to the control area (24% vs 13%). B) Effects on Interactive Linkage 1. This project made a contribution in making several useful steps in the direction of service integration, namely; i) The health workers have become familiar with procedures on how to work together with each other (especially with a midwife) in carrying out their work in FP/MCH and, ii) The health workers have gotten a feeling of the usefulness of family health records (statistical integration) in identifying targets in their own work and their usefulness in caring for family health. 2. On the other hand, because of a lack of required organizational factors, complete linkage was not obtained as the project intended. i) In regards to the government health worker's activities in terms of home visiting there was not much difference between the study & control areas though the MW did more home visiting than Government health workers. ii) In assessing the service performance of MW & health workers, the midwives balanced their workload between 40% FP, 40% MCH & 20% other activities (mainly immunization). However, $85{\sim}90%$ of the services provided by the health workers were other than FP/MCH, mainly for immunizations such as the encephalitis campaign. In the control area, a similar pattern was observed. Over 75% of their service was other than FP/MCH. Therefore, the pattern shows the health workers are a long way from becoming multipurpose workers even though the government is pushing in this direction. 3. Villagers were much more likely to visit the health sub-center clinic in the study area than in the control area (58% vs.31%) and for more combined care (45% vs.23%). C) Organization factors (admistrative integrative issues) 1. When MW (new workers with higher qualification) were introduced to HSC, it was noted that there were conflicts between the existing HSC workers (Nurse aids with less qualification than MW) and the MW for the beginning period of the project. The cause of the conflict was studied by an anthropologist and it was pointed out that these functional integration problems stemmed from the structural inadequacies of the health subcenter organization as indicated below; i) There is still no general consensus about the objectives and goals of the project between the project staff and the existing health workers. ii) There is no formal linkage between the responsibility of each member's job in the health sub-center. iii) There is still little chance for midwives to play a catalytic role or to establish communicative networks between workers in order to link various knowledge and skills to provide better FP/MCH services in the health sub-center. 2. Based on the above findings the project recommended to the County Chief (who has power to control the administrative staff and the technical staff in his county) the following ; i) In order to solve the conflicts between the individual roles and functions in performing health care activities, there must be goals agreed upon by both. ii) The health sub·center must function as an autonomous organization to undertake the integration health project. In order to do that, it is necessary to support administrative considerations, and to establish a communication system for supervision and to control of the health sub-centers. iii) The administrative organization, tentatively, must be organized to bind the health worker's midwive's and director's jobs by an organic relationship in order to achieve the integrative system under the leadership of health sub-center director. After submitting this observation report, there has been better understanding from frequent meetings & communication between HW/MW in FP/MCH work as the program developed. Lessons learned from the Seosan Project (on issues of FP/MCH integration in Korea); 1) A majority or about 80% of the couples are now practicing FP. As indicated by the study, there is a growing demand from clients for the health system to provide more MCH services than FP in order to maintain the achieved small size of family through FP practice. It is fortunate to see that the government is now formulating a MCH policy for the year 2,000 and revising MCH laws and regulations to emphasize more MCH care for achieving a small size family through family planning practice. 2) Goal consensus in FP/MCH shouBd be made among the health workers It administrators, especially to emphasize the need of care of 'wanted' child. But there is a long way to go to realize the 'real' integration of FP into MCH in Korea, unless there is a structural integration FP/MCH because a categorical FP is still first priority to reduce the rate of population growth for economic reasons but not yet for health/welfare reasons in practice. 3) There should be more financial allocation: (i) a midwife should be made available to help to promote the MCH program and coordinate services, (in) there should be a health sub·center director who can provide leadership training for managing the integrated program. There is a need for 'organizational support', if the decision of integration is made to obtain benefit from both FP & MCH. In other words, costs should be paid equally to both FP/MCH. The integration slogan itself, without the commitment of paying such costs, is powerless to advocate it. 4) Need of management training for middle level health personnel is more acute as the Government has already constructed 90 MCH centers attached to the County Health Center but without adequate manpower, facilities, and guidelines for integrating the work of both FP and MCH. 5) The local government still considers these MCH centers only as delivery centers to take care only of those visiting maternity cases. The MCH center should be a center for the managment of all pregnancies occurring in the community and the promotion of FP with a systematic and effective linkage of resources available in the county such as i.e. Village Health Worker, Community Health Practitioner, Health Sub-center Physicians & Health workers, Doctors and Midwives in MCH center, OBGY Specialists in clinics & hospitals as practiced by the Seosan project at primary health care level.

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방화범죄의 실태와 그 대책 - 관심도와 동기의 다양화에 대한 대응 - (The Reserch on Actual Condition of Crime of Arson Which Occurs in Korea and Its Countermeasures)

  • 최종태
    • 시큐리티연구
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    • 제1호
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    • pp.371-408
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    • 1997
  • This article is the reserch on actual condition of crime of arson which occurs in Korea and its countermeasures. The the presented problem in this article are that (1) we have generally very low rate concern about the crime of arson contrary to realistic problems of rapid increase of crime of arson (2) as such criminal motives became so diverse as to the economic or criminal purpose unlike characteristic and mental deficiency of old days, and to countermeasure these problems effectively it presentation the necessity of systemantic research. Based on analysis of reality of arson, the tendency of this arson in Korea in the ratio of increase is said to be higher than those in violence crime or general fire rate. and further its rate is far more greater than those of the U.S.A. and Japan. Arson is considered to be a method of using fire as crime and in case of presently residence to be the abject, it is a public offense crime which aqccompany fatality in human life. This is the well It now fact to all of us. And further in order to presentation to the crime of arson, strictness of criminal law (criminal law No, 164 and 169, and fire protection law No. 110 and 111) and classification of arsonist as felony are institutionary reinforced to punish with certainty of possibility, Therefore, as tendency of arson has been increased compared to other nations, it is necessary to supplement strategical policy to bring out overall concerns of the seriousness of risk and damage of arson, which have been resulted from the lack of understanding. In characteristics analysis of crime of arson, (1) It is now reveald that, in the past such crime rate appeared far more within the boundary of town or city areas in the past, presently increased rate of arsons in rural areas are far more than in the town or small city areas, thereby showing characteristics of crime of arson extending nation wide. (2) general timetable of arson shows that night more than day time rate, and reveald that is trait behavior in secrecy.(3) arsonists are usually arrested at site or by victim or report of third person(82,9%).Investigation activities or self surrenders rate only 11.2%. The time span of arrest is normally the same day of arson and at times it takes more than one year to arrest. This reveals its necessity to prepare for long period of time for arrest, (4) age rate of arson is in their thirties mostly as compared to homicide, robbery and adultery, and considerable numbers of arsons are in old age of over fifties. It reveals age rate is increased (5) Over half of the arsonists are below the junior high school (6) the rate of convicts by thier records is based on first offenders primarily and secondly more than 4 time convicts. This apparently shows necessity of effective correctional education policy for their social assimilation together with re-investigation of human education at the primary and secondary education system in thier life. The examples of motivation for arosnits, such as personal animosity, fury, monetary swindle, luscious purpose and other aims of destroying of proof, and other social resistance, violence including ways of threatening, beside the motives of individual defects, are diverse and arsonic suicide and specifically suicidal accompany together keenly manifested. When we take this fact with the criminal theory, it really reveals arsons of crime are increasing and its casualities are serious and a point as a way of suicide is the anomie theory of Durkheim and comensurate with the theory of that of Merton, Specifically in the arson of industrial complex, it is revealed that one with revolutionary motive or revolting motive would do the arsonic act. For the policy of prevention of arsons, professional research work in organizational cooperation for preventive activities is conducted in municipal or city wise functions in the name of Parson Taskforces and beside a variety of research institutes in federal government have been operating effectively to countermeasure in many fields of research. Franch and Sweden beside the U.S. set up a overall operation of fire prevention research funtions and have obtained very successful result. Japan also put their research likewise for countermeasure. In this research as a way of preventive fire policy, first, it is necessary to accomodate the legal preventitive activities for fire prevention in judicial side and as an administrative side, (1) precise statistic management of crime of arson (2) establishment of professional research functions or a corporate (3) improvement of system for cooperative structural team for investigation of fires and menpower organization of professional members. Secondly, social mentality in individual prospect, recognition of fires by arson and youth education of such effect, educational program for development and practical promotion. Thirdly, in view of environmental side, the ways of actual performance by programming with the establishment of cooperative advancement in local social function elements with administrative office, habitants, school facilities and newspapers measures (2) establishment of personal protection where weak menpowers are displayed in special fire prevention measures. These measures are presented for prevention of crime of arson. The control of crime and prevention shall be prepared as a means of self defence by the principle of self responsibility Specifically arsonists usually aims at the comparatively weak control of fire prevention is prevalent and it is therefore necessary to prepare individual facilities with their spontaneous management of fire prevention instead of public municipal funtures of local geverment. As Clifford L. Karchmer asserted instead of concerns about who would commit arson, what portion of area would be the target of the arson. It is effective to minister spontaveously the fire prevention measure in his facility with the consideration of characteristics of arson. On the other hand, it is necessary for the concerned personnel of local goverment and groups to distribute to the local society in timely manner for new information about the fire prevention, thus contribute to effective result of fire prevention result. In consideration of these factors, it is inevitable to never let coincide with the phemonemon of arsons in similar or mimic features as recognized that these could prevail just an epedemic as a strong imitational attitude. In processing of policy to encounter these problems, it is necessary to place priority of city policy to enhancement of overall concerns toward the definitive essense of crime of arson.

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융합시대 미디어산업의 공익성과 소유규제 국내 종합일간지와 방송의 교차소유 문제를 중심으로 (Public Interest and Ownership Regulations in the Media Industry in the Era of Convergence Focused on Domestic Daily Newspapers' Ownership of Broadcasting Station)

  • 전영범
    • 한국언론정보학보
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    • 제46권
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    • pp.511-555
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    • 2009
  • 미디어산업의 규제는 미디어 개별 콘텐츠에 대한 내용규제와 특정 분야의 진입 퇴출에 관한 소유규제로 나눌 수 있다. 본고에서 살펴보고자 하는 소유규제는 여론독과점의 방지와 다양성의 확보를 위한 핵심적인 법적 정책적 수단이다. 세계 각국은 자국의 특수한 미디어 환경을 기반으로 한 규제모델을 가지고 있으며, 한국 또한 환경변화에 조응할 수 있는 정책으로 미디어산업의 활성화와 수용자의 권익을 보호할 수 있는 최대공약수를 도출해야 할 정책적 과제를 안고 있다. 특히 공익성이 여타 어느 산업분야보다 중시되는 현실에서 미디어산업의 규제정책은 공익성에 대한 확고한 정책적 의지가 필요한데, 이를 실현시킬 소유규제 정책의 핵심적 요소가 이종매체 소유에 관한 것이다. 방통융합의 본격화로 미디어 산업의 지형이 변화하는 가운데 주요한 이슈가 되고 있는 이종매체 소유규제는 사업자별 이해관계와 미디어산업에 대한 관점에 따라서 사업자 및 시민단체, 정책당국의 갈등요인이 내재되어 있다. 이러한 상황에서 이종매체 소유규제의 근거논리인 '공익' 개념의 재정립 문제, 소유의 집중과 다양성의 문제에 대한 재개념화 필요성을 모색했다. 신문방송 겸영으로 대표되는 국내 미디어산업의 이종매체 교차소유 문제를 변화하는 산업지형에 비춰 재검토 함에 있어 국내 신문기업이 처한 현실적 조건을 위주로 살펴보았다. 또한, 미디어 융합시대에 촉발된 정책적 딜레마 상황을 이종매체 소유규제를 중심으로 논의한 후 효율적 갈등관리의 필요성을 제기하였다. 끝으로 미디어정책 기관의 독립성과 신뢰회복, 규제모델의 합리화, 이종매체 소유규제 이슈에 대한 각론적 접근, 매체균형발전을 위한 지원정책의 내실화라는 정책적 제언을 제시했다. 거대 미디어그룹의 여론과 산업에 대한 독과점 방지 정책이나 이종매체 소유규제는 해외 각국에서도 정책적 과제로 남아있음도 살펴보았다. 이종매체의 겸영 이슈를 포함한 미디어산업에서의 딜레마 상황과 이에 대한 이해관계의 조정은 매체환경의 급속한 변화에 부응한 '공익성과 산업성의 조화'라는 바탕 위에서 조속히 마련되어야 할 정책적 과제라 하겠다. 한국에서도 매체환경 변화에 부응하는 소유규제의 완화는 고려할 수 있으나, 신문과 방송 겸영을 포함한 이종매체 겸영은 신중한 접근이 필요하다. 이종매체 교차소유 완화는 여론독과점의 우려를 불식시킬 정도의 풍부한 저널리즘적 토양이 전제가 되어야 함을 역설적으로 확인할 수 있다.

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국민건강영양조사 자료를 이용한 식품 섭취량 산출 방법 개발: 들깻잎 섭취량을 중심으로 (Estimation of Food Commodity Intakes from the Korea National Health and Nutrition Examination Survey Databases: With Priority Given to Intake of Perilla Leaf)

  • 김승원;정준호;이중근;우희동;임무혁;박영식;고상훈
    • 산업식품공학
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    • 제14권4호
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    • pp.307-315
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    • 2010
  • 본 연구에서는 국민건강영양조사 1998년(제1기)부터 2008년(제4기 2차) 조사까지 총 5기의 식품섭취조사 자료를 이용하여, '들깻잎, 생것', '들깻잎, 데친것', '들깻잎, 찐것', '들깻잎, 통조림'의 섭취자 및 섭취량에 대한 분석을 시행하였다. 특히, 국민건강영양조사의 식품 섭취량 자료로부터 합리적이고 객관적으로 들깻잎 섭취자의 수 및 섭취량을 산출할 수 있는 방법을 개발하였다. 들깻잎의 섭취량에 대한 분석은 국민건강영양조사의 전체 응답자의 평균 섭취량(응답자 평균 섭취량), 들깻잎 섭취자의 평균 섭취량(섭취자 평균 섭취량), 상위 5%의 극단 섭취자의 평균 섭취량(극단 섭취량), 남성 및 여성의 평균 섭취량, 20세 미만과 20세 이상의 평균 섭취량의 5가지의 항목으로 구분하여 분석되었다. 들깻잎 섭취자의 수 및 섭취량을 분석한 결과 들깻잎 섭취자의 수는 조사연도별로 균일한 분포를 나타내었으며, 1일 7-10명 중 1명이 들깻잎을 섭취한다는 결과를 도출하였다. 남성과 여성의 섭취자 비율은 여성이 남성에 비해 평균 1.22배 더 많았다. 응답자 평균 섭취량은 2.20 g이었으며, 섭취자의 평균 섭취량은 2005년에서 가장 높았고(21.40 g), 1998년과 2008년에 비하여 0.24 g 정도 증가하였다. 대부분의 조사연도에서 남성의 섭취량이 여성에 비해 높았고, 20세 미만의 섭취량은 전체적으로 20세 이상 섭취량보다 낮았다. 극단 섭취량 1998년에서 2005년까지의 섭취량이 평균 78.02 g으로 높았지만, 2007년과 2008년에는 평균 55.58 g로 낮아졌다. 들깻잎 섭취형태를 분석한 결과 '들깻잎, 생것', '들깻잎, 통조림', '들깻잎, 데친것', '들깻잎, 찐것' 순으로 응답자 수 및 섭취량 순위가 결정되었다. 그 중 '들깻잎, 데친것', '들깻잎, 찐것'의 데이터가 충분치 않아 결과가 좋지 않게 나왔다. 또한 국민건강영양조사 식품 섭취량 데이터는 2007년부터 상시조사를 시작하였으며, 그 이전에는 시행된 연도에 따라 조사 기간 및 계절이 1998년과 2001년에는 11-12월, 2005년에는 4-6월로 일관되지 않았기 때문에 연간 일일 섭취량을 판단하는 데 한계가 있을 것이라 생각된다. 본 연구의 결과를 확대하면 들깻잎 이외의 다른 농산물, 축산물, 수산물 및 이들의 가공품에도 적용할 수 있다. 이러한 식품의 섭취량에 대한 객관적인 정보는 농축수산물 및 가공식품을 통해 의도 또는 비의도적으로 섭취하는 화학 잔류물질의 위해성 평가를 위한 좋은 기초 자료가 될 것이다.

토모테라피를 이용한 간암환자의 정위적 방사선치료시 복부압박장치의 유용성 평가 (Usefulness of Abdominal Compressor Using Stereotactic Body Radiotherapy with Hepatocellular Carcinoma Patients)

  • 우중열;김주호;김준원;백종걸;박광순;이종민;손동민;이상규;전병철;조정희
    • 대한방사선치료학회지
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    • 제24권2호
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    • pp.157-165
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    • 2012
  • 목 적: 간에 발생한 절제 불가능한 원발성 및 전이성 종양에서 토모테라피를 이용한 정위적 방사선치료를 시행하기 위해 사용된 복부압박장치의 유용성을 평가하고자 하였다. 대상 및 방법: 2011년 11월부터 2012년 3월까지 토모테라피(Hi-Art Tomotherapy, USA)를 시행받기 위해 본원에 내원한 간암환자 중 복부압박장치(diaphragm control, elekta, sweden)를 사용하였을 때 움직임이 1 cm 이상 줄어든 환자를 대상으로 하였다. 4D CT (somatom sensation, siemens, germany)를 통해 치료계획영상과 4차원 단층촬영영상을 촬영하고, 육안적으로 보이는 종양과 종양의 움직임을 고려하여 육안적 종양체적(gross tumor volume, GTV)으로 설정하였고, GTV 주변으로 균일하게 5~7 mm의 여유를 주어 치료계획용 종양체적(planning target volume, PTV)으로 설정하였다. 손상위험장기(organs at risk) 중 십이지장, 위, 대장의 거리가 종양으로부터 최소 1 cm 이상인 환자들을 1군($d{\geq}1$)으로, 1 cm 미만인 환자들을 2군(d<1)으로 분류하고 각각 4~5회의 정위적 방사선치료와 20회의 방사선치료를 계획하였다. Mega-voltage computed tomograpy (MVCT)와 kilo-voltage computed tomograpy (KVCT)를 일차적으로 골격구조셋팅(bone-technique)으로 융합(fusion)한 뒤, 이차적으로 간을 보며 영상을 재조정 하였다. 치료 후 얻은 MVCT 영상을 영상변형이 가능한 Mim_vista (Mimsoftware, ver. 5.4 USA)로 보내고, 간을 비교하여 다시 묘사(delineate)하고, 손상위험장기 중 십이지장, 위, 소장, 대장을 합쳐서 대장장기(bowel_organ)로 정의하여 다시 묘사하였다. 보정방사선 치료계획시스템을 통하여 보정영상의 치료계획 선량과 보정된 선량의 차이를 평가하였다. 첫 번째, 치료 시작일부터 각각 1군($d{\geq}1$)은 4회, 2군(d<1)은 10회까지의 MVCT와 KVCT간의 영상 융합을 통한 셋업오차를 분석하였다. 두 번째, 보정영상에서 종양 즉, GTV, PTV의 치료계획선량과 보정선량의 3%의 선량차이를 나타내는 체적($V_{diff3%}$)과 5%의 선량차이를 나타내는 체적($V_{diff3%}$)을 비교하였고, 손상위험장기 중 대장장기의 최대선량의 차이율을 비교하였다. 결 과: MVCT를 통해 분석한 평균 셋업오차는 $-0.66{\pm}1.53$ mm (좌-우), $0.39{\pm}4.17$ mm (상-하), $0.71{\pm}1.74$ mm (전-후), $-0.18{\pm}0.30$ degrees (roll)였다. 1군($d{\geq}1$)과 2군(d<1)의 셋업오차는 유사하였다. 1군($d{\geq}1$)에서 보정방사선 치료계획을 통한 $V_{diff3%}$ 중 GTV는 $0.78{\pm}0.05%$, PTV는 $9.97{\pm}3.62%$, $V_{diff5%}$ 중 GTV는 0.0%, PTV는 $2.9{\pm}0.95%$, 대장장기의 최대선량의 차이율은 $-6.85{\pm}1.11%$였다. 2군(d<1)에서 $V_{diff3%}$ 중 GTV는 $1.62{\pm}0.55%$, PTV는 $8.61{\pm}2.01%$, $V_{diff5%}$ 중 GTV는 0.0%, PTV는 $5.33{\pm}2.32%$, 대장장기의 최대선량의 차이율은 $28.33{\pm}24.41%$였다. 결 론: 복부압박장치를 통한 간암의 방사선치료시 MVCT를 통한 환자 셋업오차는 평균 ${\pm}5$ mm 이하였고, 복부 압박장치를 사용하고 투시영상을 통해 확인한 횡경막의 움직임이 최소 5 mm 이상이라는 것을 감안하면, 환자 셋업오차는 그 안에 있음을 알 수 있었다. 1군($d{\geq}1$)과 2군(d<1)에서 GTV, PTV의 선량차이율은 오차범위 안에 있었고, 1군($d{\geq}1$)과 2군(d<1)의 대장장기 최대선량의 차이율은 최대 35% 이상의 차이를 보였고, 1군($d{\geq}1$)이 2군(d<1)보다 오차범위가 작았다. 따라서 간내 종양과 손상위험장기의 거리가 최소 1 cm 이상 유지된다면 정위적 방사선치료를 진행함에 복부압박장치가 도움이 될 수 있을 것으로 사료된다.

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