• 동아시아식생활학회지
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• 제25권2호
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• pp.246-260
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• 2015

The purpose of this study was to evaluate the prevalence of obesity, dietary habits, and nutritional status by age among low-income women, using data from the fourth Korea National Health and Nutrition Examination Survey (2007~2009). Subjects were 8,356 women aged 20 and over. The subjects were classified into four groups by age. Dietary data from 24-hr recall methods were used to analyze nutritional status. The prevalence of obesity in the 50~64 years age group was significantly higher than those of the other age groups. Among age groups, malnutrition was the highest in the 65-and-over age group. It appears that women in the 20~29 and 65-and-over age groups were the highest nutritional risk. The percentage of carbohydrates in total energy intake was higher and the percentages of protein and fat were lower in the 65-and-over age group than other groups. Frequency of skipping breakfast was lower in women aged 65-and-over, and moderate physical activity significantly decreased with increasing age. Awareness of dietary guidelines was higher in women aged 30~49 years than other groups, whereas it was lower in those aged 65-and-over years. Adherence to dietary guidelines of 'eating a variety of foods from each food group' was significantly lower in women aged 65-and-over years than those of other groups. However adherence to dietary guidelines of 'eating breakfast everyday with a pleasant mind' was significantly lower in women aged 20~29 years than those of other groups. Therefore, this study shows that low income women have various nutritional problems by age group, and we should support a tailored approach to improve their nutritional status.

• 대한방사선기술학회지:방사선기술과학
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• 제43권2호
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• pp.87-96
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• 2020

This study examined the hygiene management of ultrasound probes by examining the cleaning tools for hygiene management of ultrasound probes, the presence or absence of wearing glove as a personal protective equipment, and the awareness of ultrasound probe hygiene. Parts 154 questionnaire about people working in the ultrasound room were surveyed and analyzed. The single gel removal tool of the ultrasound probe was most frequently used with a 48.7% cotton towel, and for double gel removal tools, the first gel removal tool was 42.4% cotton towel and the second gel removal tool was used with 57.6% wet tissue. Antimicrobial wipes were the most commonly used drug and instrument used in ultrasound hygiene management at 58.4%. According to the survey of the presence or absence of wearing glove during ultrasound examination, 46.8% were found to be unworn. When examining the intracavity ultrasound, 30.9% of those who do not wear glove and 61.0% of hygiene awareness of ultrasound probes are 'normal'. According to age, ultrasound probe gel removal tool was not significant difference(p>0.05). According to the working organization and the working department, it was significant difference to wearing gloves during ultrasound examination(p<0.05). Therefore, in order to properly sanitize the ultrasound probe, it is considered that a guideline for hygiene management of the ultrasound probe that fits the situation in Korea is necessary, and it is considered that thorough hygiene management training for inspector is necessary for efficient hygiene management of the ultrasound probe.

• 대한방사선기술학회지:방사선기술과학
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• 제39권2호
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• pp.263-271
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• 2016

최근 인구 고령화에 따른 골다공증 환자의 증가 및 의료기기 시장의 성장으로 인해 엑스선골밀도측정기 시장이 커지고 있으며, 이에 따른 의료기기 허가 심사건수가 증가하고 있다. 의료기기 기술문서는 의료기기의 허가 심사 시 가장 기본이 되는 문서로 필수 제출 첨부자료 중 하나이다. 기술문서는 의료기기 관련 법령 및 고시에 그 근거를 두고 있으며, 의료기기 전반적인 항목을 기술해야하는 만큼 작성자의 전문성이 필요한 항목이다. 하지만 최근 부정확한 작성의 증가로 인한 심사자들의 업무부담이 증가되고 있어 민원 처리 효율이 저하되고 있다. 특히 엑스선골밀도측정기의 경우 식품의약품안전처 기준규격이 없어, 의료기기 제조/수입업체 등에서 시험항목을 설정하는 데 많은 어려움을 겪고 있다. 따라서 본 연구에서는 개선된 제도가 반영된, 엑스선골밀도측정기 기술문서 작성 가이드라인 개발을 위해 첫째, 개선된 제도 운영에 대한 조사, 품목별 의료기기의 제도 적용에 따른 문서 작성 방법 검토, 기 허가된 품목에 대한 허가 및 기술문서 검토를 완료하였다. 둘째, 품목별 시장현황 조사, 적용 가능한 국내 외 규격을 조사 분석하여 품목별 국제조화된 안전성 및 성능평가 시험기준 및 방법을 도출하였다. 마지막으로, 산 연 관 전문가협의체 논의를 거쳐 기술문서 작성 가이드라인(안)을 최종 도출하였다.

• 한국식품영양학회지
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• 제21권4호
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• pp.536-544
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• 2008

The principal objectives of this study were to identify diet problems associated with dining out, and to suggest dining out strategies for groups with diet problems. The data collected from adults(all over 20 years old) from the third Korea National Health and Nutrition Examination Survey III(KNHANES III), conducted in 2005, were used in this study. A total of 6,497 data were included in our statistical analyses, using SPSS 14.0. The results of this study demonstrated that there were significant differences in dining out frequency between different genders(p<0.001), ages(p<0.001), and economic status (p<0.001). With the crosstabulation analysis using the Chi-square statistics, the middle class males aged $20{\sim}29$(p<0.05), and lower class females aged 65 and over evidenced different degrees of compliance with the following guidelines. 'Eat a variety of foods' varied by frequency of dining out. In addition, the degree of compliance with the guidelines 'Increase activity and eat an adequate amount of foods for weight control', 'Enjoy the Korean traditional diet', and 'Control consumption of alcohol' also differed by dining out frequency in certain populations. With these results, dining out strategies were suggested for the groups with diet problems associated with dining out.

• Advances in pediatric surgery
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• 제4권2호
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• pp.117-124
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• 1998

The embryological and anatomical features of urachal anomalies have been well defined. Because of the variable clinical presentation, uniform guideline for evaluation and treatment are lacking. Although urachal remnants are rarely observed clinically, they often give rise to a number of problems such as infection and late malignant changes. Therefore, a total assessment of the disease with a particular focus on embryology, anatomy, clinical symptoms, as well as the most advisable management, is necessary. Twenty six patients with urachal remnants were treated at the Department of Pediatric Surgery from August 1980 to June 1998. Of these 26, 9 were classified as patent urachus 11 as urachal sinus, 4 as urachal cyst, 1 as urachal diverticulum and 1 as an alternating sinus. The group consisted of 11 males and 15 females. The age distribution was 20 neonates, 3 infants, 2 preschoolers and 1 adult. Infection was the most frequent complication and Staph. aureus was the predominant causative microorganism. Fistulogram was performed in 4 cases and ultrasound examination disclosed cysts or sinus in 7 cases. Excision was performed in 24 patients and incision and draniage in 2 cases as a primary treatment. There was no postopreative complication or recurrence.

• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2006년도 추계 종합학술대회 논문집
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• pp.413-416
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• 2006

본 연구에서는 효과적인 토양보존 및 관리에 필요한 전략적 접근 방법을 제시하였다. 이를 위해 탁수발생이 뚜렷이 구분되는 안동호와 임하호 유역을 선정하였으며, 탁수발생 원인인 토사유실을 평가하기 위해 RUSLE 토사유실모델을 이용하였다. 토사유실 가능성이 높은 지역들은 GIS에 의한 지형특성을 기초로 분석되어질 수 있으며, 특히 상하류 유역이나 인간의 활동영역인 하천주변 특성들을 이용하여 검토할 수 있다. 본 연구에서 제안된 모델링 결과는 토양보존 및 관리를 위해 검토되어지는 토사유실 원인지역을 선정하기 위한 가이드라인으로 활용될 수 있다. 또한 이러한 접근방법은 상대적으로 간편하며, 실질적으로 널리 활용될 수 있다.

• 한국조경학회지
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• 제32권1호
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• pp.1-9
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• 2004

This study is focused on finding out the character of urban recreation forest and investigating facilities regulations of forest resources around urban areas to meet future recreation needs. The method of this study is to compare urban recreation forests with similar facilities like urban parks and natural recreation forests. By this way, this study not only identifies the characteristics of urban recreation forest as emerging recreational facility, but also outputs regulations that can be adapted to real environment. Urban recreation forest is defined as follows: It has forest with good natural landscape and easy access. It makes emotion rich and its function is focused on outdoor recreation nature education, and experiences for family group mainly within a day or on weekends. This study suggests that the minimal area of urban recreation forest should be over 100,000$m^2$, with a facility ratio less than 20%. Building coverage should be less than 7% when the urban recreation forest is under 300,000$m^2$, less than 5％ when 300,000∼500,000$m^2$, and less than 3％ when over 500,000$m^2$ The limits of building height is 3 stories, or under 12m. This study finds out the character, the needs of urban recreation and the criterion for project feasibility. significance of the result is supplying theoretical basement on related regulation. Based on the results, further study will establish landscape management method and legislation & application in a detailed examination.

• 한국주거학회논문집
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• 제22권6호
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• pp.71-82
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• 2011

Recently the crime against elementary school students has been rapidly increasing. Under these circumstances, this study is to analyze the basic principles of Crime Prevention Through Environmental Design (CPTED) for the elementary school in urban residential area, and suggest some planning and design guidelines. Among 59 elementary schools in Pyongchon, Bundang, and Pangyo new towns, 11 distinctive schools were selected for analysis study. School cases were investigated comparatively from the viewpoints of visibility, securing of observers, activity support and reinforced territoriality on the basis of theoretical crime prevention concepts. The analysis adopts various methods including theoretical research, field study, observation, and examination of plan. Some of findings of this analysis are as follows. Most of schools rely on the mechanical and physical devices such as CCTV, gate control, or walls, which are considered to be quite passive measures and ineffective for the crime prevention. Other effective methods such as offering school facilities to the public or public space sharing with surrounding residents, for the protection of crimevulnerable students by public eyes. Therefore, in order to prevent crimes effectively, it is urgently required to analyze the environments around and in the school, and to improve physical conditions on the basis of CPTED principles.

• Toxicological Research
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• 제31권4호
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• pp.393-402
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• 2015

This study was conducted to measure toxicity of 1-chloropropane (CAS No. : 540-54-5). According to the OECD Test Guideline 413 (Subchronic inhalation toxicity: 90-day study), SD rats were exposed to 0, 310, 1,250, and 5,000 ppm of 1-chloropropane for 6 h/day, 5 day/week for 13 weeks via whole-body inhalation. Mortality, clinical signs, body weights, food consumption, motor activity, ophthalmoscopy, hematology, serum chemistry, urinalysis, organ weights, gross and histopathological findings were compared between control and all tested groups. No mortality or remarkable clinical signs were examined during the study. No gross lesions or adverse effects on body weight, food consumption, motor activity, ophthalmoscopy, urinalysis, hematology, organ weights were observed in any of male or female rats in all tested groups. In serum biochemistry, glucose was significantly decreased in males of 1,250 and 5,000 ppm groups compared to control group in dose-dependent relationship. In histopathological examination, vacuolation of acinar cells was observed in pancreas of all male and female groups exposed to 1-chloropropane. In conclusion, no observable adverse effect level (NOAEL) was considered to be below 310 ppm/6 h/day, 5 day/week for rats.

• 대한의용생체공학회:의공학회지
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• 제39권2호
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• pp.80-86
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• 2018

The aim of this study were to establish the clinical references and guidelines for the maximum standardized uptake ($SUV_{max}$) value of pancreatic cancer, pancreatitis, and normal pancreas in $^{18}F-FDG$ PET-CT examinations for pancreatic disease. For this purpose, we performed the statistical analysis on the descriptive statistics, percentiles and inter quartiles range (IQR), normal distribution, and using the probability density function for pancreatic cancer, pancreatitis, and normal pancreas. As a result, the clinical reference of $SUV_{max}$ for the pancreatic cancer, pancreatitis, and normal pancreas was more than 3.45, 1.91 to 2.62, and less than 1.91, respectively. Also, optimal cut-off value for applying the dual time point PET-CT examination was determined to be 2.62. The results of this study are summarized as follows: first, we suggests the clinical reference and guideline for the pancreatic cancer, pancreatitis, and normal pancreas, and second, suggests a scientific approach to improve diagnostic accuracy of pancreatic disease by deviating from an approximate experience approach.