This study is to provide basic information regarding photoneutron doses in terms of radiation treatment techniques and the number of portals in intensity-modulated radiation therapy (IMRT) by measuring the photoneutron doses. Subjects of experiment were 10 patients who were diagnosed with prostate cancer and have received radiation treatment for 5 months from September 2013 to January 2014 in the department of radiation oncology in S hospital located in Seoul. Thus, radiation treatment plans were created for 3-Dimensional Conformal Radiotherapy (3D-CRT), Volumetric-Modulated Arc Radiotherapy (VMAT), IMRT 5, 7, and 9 portals. The average difference of photoneutron dose was compared through descriptive statistics and variance analysis, and analyzed influence factors through correlation analysis and regression analysis. In summarized results, 3D-CRT showed the lowest average photoneutron dose, while IMRT caused the highest dose with statistically significance (p <.01). The photoneutron dose by number of portals of IMRT was $4.37{\pm}1.08mSv$ in average and statistically showed very significant difference among the number of portals (p <.01). Number of portals and photoneutron dose are shown that the correlation coefficient is 0.570, highly statistically significant positive correlation (p <.01). As a result of the linear regression analysis of number of portals and photoneutron dose, it showed that photoneutron dose significantly increased by 0.373 times in average as the number of portals increased by 1 stage. In conclusion, this study can be expected to be used as a quantitative basic data to select an appropriate IMRT plans regarding photoneutron dose in radiation treatment for prostate cancer.
Purpose: We analyzed how clinical nurses in Korea perceive terminally ill patients' medical decision-making. Methods: The Q-methodology which analyzes the subjectivity of each item was used. We selected 34 Q-statements among those provided by each of 37 subjects and grouped them into a shape of normal distribution using a 9 point scale. The collected data were analyzed using a QUANL PC program. Results: Four types of perception toward medical decision-making were identified. Type I focuses on patient participation, and Type II emphasizes the role of health professionals. Type III is characterized by an open-minded culture toward death, and Type IV values the role of family members. Conclusion: The results of this study indicate the need for development of a multi-disciplinary curriculum medical decision-making and death for medical and nursing students.
Lee, Seo Hyun;Shin, Dong Eun;Sim, Jin Ah;Yun, Young Ho
Journal of Hospice and Palliative Care
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v.16
no.2
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pp.90-97
/
2013
Purpose: Ten years have passed since the Korean government announced its plan to institutionally support hospice and palliative care in 2002. In line with that, this study aims to suggest future directions for Korea's hospice and palliative care policy. Methods: We conducted a survey on people's perception and acceptance of well-dying. Data were collected from 1,000 participants aged 19~69 years between June 1 and June 11, 2012 via computer-assisted telephone interviews. Results: The most important factor for well-dying was placing no burden of care on others (36.7%) and the second most important factor was staying with their family and loved ones (19.1%). Among nine suggestions of policy support for well-dying, the most popular was the promotion of voluntary care sharing (88.3%), followed by the palliative care training support for healthcare providers (83.7%) and the support for palliative care facilities instead of funeral halls (81.7%). The idea of formulating a five-year national plan for end-of-life care drew strong support (91%). According to the survey, the plan should be implemented by the central government (47.5%), the National Assembly (20.2%) or civic groups (10%). Conclusion: This study demonstrated the public consensus and their consistent direction toward policy support for well-dying. Results of this study may serve as a foundation for the establishment of policy support for people's well-dying and palliative care at the national-level.
Purpose: This descriptive study was conducted to examine factors that affect hospital workers in their decision to withdraw from life-sustaining treatment, such as knowledge, attitude, and perception of organ donation, transplantation, death and hospice palliative care. Methods: A questionnaire was completed by 228 workers of a tertiary general hospital, and data were analyzed using t-test, ANOVA, and Pearson's correlation by using SPSS 21.0. Results: The subjects' knowledge of biomedical ethics awareness differed by age, education level, occupation, affiliated department, and biomedical ethics education. Their knowledge of brain death, organ donation and transplantation was positively correlated with attitudes toward tissue donation and transplantation, knowledge of hospice palliative care, and perception of hospice palliative care. Their attitudes toward tissue donation and transplantation were significantly correlated with knowledge of hospice palliative care, perception of hospice palliative care, and withdrawal of life-sustaining treatment. Their awareness of death was significantly correlated with knowledge of hospice palliative care, perception of hospice palliative care and withdrawal of life-sustaining treatment. The perception of hospice palliative care was significantly correlated with withdrawal of life-sustaining treatment. Factors associated with their withdrawal of life-sustaining treatment were work at the hospice ward (32.5%), attitudes toward tissue donation and transplantation and perception of hospice palliative care. Conclusion: This study has shown that work at the hospice ward, attitudes toward tissue donation and transplantation and perception of hospice palliative care were related to attitudes toward withdrawal of life-sustaining treatment. More research is needed to further develop various curriculums based on biomedical methods.
Kim, Ki-Youn;Ko, Han-Jong;Kim, Chi-Ho;Choi, Eun-Gyu;Kim, Joung-Ku;Ryou, Young-Sun;Kim, Hyeon-Tae
Journal of Animal Environmental Science
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v.18
no.1
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pp.19-24
/
2012
The first objective of this study is to estimate emission coefficient of organic carbon regarding its inflow and discharge for dairy farm through reviewing domestic and foreign literature published or reported previously. Its second objective is to provide fundamental data to establish carbon cycle system related to livestock production. Based on literature review, emission coefficients by inflow of organic carbon into dairy farm were 5.9 ton C/head/year for feedstuff ingestion by milk cow, 2.3 ton C/head/year for recycling manure compost of milk cow to grassland, 318 g C/$m^2$/year for contents in grassland, 145 g C/$m^2$/year for contents in fodder crop, and 17 g C/$m^2$/year for $CO_2$ uptake by fodder crop, respectively. on the other hand, emission coefficients by discharge of organic carbon from dairy farm were 2,9 ton C/head/year for emission of $CO_2$ and $CH_4$ by respiration and burp of milk cow, 0.4 ton C/head/year for emission of $CO_2$ and $CH_4$ by decomposition of organic carbon in manure of milk cow, 440 g C/$m^2$/year for emission of $CO_2$ from grassland, and 0 for elution of organic carbon in grassland into underground water, respectively.
In Korean history, vegetables were the major side dishes of meals and originally korean diets were based on vegetables. But recently people prefer meat dishes rather than vegetables and traditional vegetable cooking seems to be disappeared. So it is needed to be positioning the importance of vegetables in food culture of Korean. In present study, history of vegetable eating was reviewed and recent consumption pattern were analyzed. 1. Since the era of the three Kingdom's and Koryo dynasty, the kinds of vegetables varied and at Chosun Dynasty people used similar kinds of vegetables as nowadays except a few things. A Garlic and mug wort had been used from the age of tribes to present and an egg, apple, cucumber, lettuce from the three Kingdom and a bamboo sprout, a taro, a burdock, a radish, a turnip, a stone-leek, a scallion, a Chinese cabbage, a marsh mallow, a spinach and a crown daisy from Koryo Dynasty and a pepper, a pumpkin, a tomato, a cabbage, a salary, a kale, a turnip and a beet from Chosun Dynasty to present. A guard, a water shield plant, a yam and wild plants would have been used before but they would not use any more. 2. Current vegetable consumptions of Korean is 232.2kg/person/yr and comparing with world mean consumption(101.9kg), Koreans still eat the largest amount of vegetables than any other countries and among Asian countries, Koreans consume more vegetables than China(203.5kg) and Japanese people(111.6kg) do. 3.The most frequently consumed vegetables were vegetables for seasonings such as a garlic or stone-leek and for kimchi such as a Chinese cabbage, radish, and carrot. But from data of Korean National Health and Nutrition Survey(2001), kinds of vegetables which people had were only 72 items showing that the kinds of vegetables were limited. 4. A lot of wild plants that would have been used for famine relief are now disappeared and on the other hand, it is increasing of some new and foreign vegetables and herbs. Cooking methods and intake pattern of vegetables are changed and varied so a traditional cooking method such as namuel is less preferred than before. But vegetable wrapping and green vegetable juice, eating uncooked vegetables(sang-sik) are very popular.
Cho, Eun-Jung;Hwang, Yu Yean;Koo, Bon-Kyeong;Park, Jesoep;Kim, Young Kwon;Kim, Sunghyun
Korean Journal of Clinical Laboratory Science
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v.48
no.2
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pp.74-81
/
2016
Ureaplasma species can normally colonize in the bodies of healthy individuals. Their colonization is associated with various diseases including non-gonococcal urethritis, chorioamnionitis, neonatal meningitis, and prematurity. In 2012, the sum of the resistant and intermediate resistant rates of Ureaplasma spp. to ofloxacin and ciprofloxacin was 66.08% and 92.69%, respectively. DNA point mutations in the genes encoding DNA gyrase (topoisomerase II) and topoisomerase IV are commonly responsible for fluoroquinolone resistance. Each enzyme is composed of two subunits encoded by gyrA and gyrB genes for DNA gyrase and parC and parE genes for topoisomerase IV. In the current study, these genes were sequenced in order to determine the role of amino acid substitutions in Ureaplasma spp. clinical isolates. From December 2012 to May 2013, we examined mutation patterns of the quinolone resistance-determining region (QRDR) in Ureaplasma spp. DNA sequences in the QRDR region of Ureaplasma clinical isolates were compared with those of reference strains including U. urealyticum serovar 8 (ATCC 27618) and U. parvum serovar 3 (ATCC 27815). Mutations were detected in all ofloxacin- and ciprofloxacin-resistant isolates, however no mutations were detected in drug-susceptible isolates. Most of the mutations related to fluoroquinolone resistance occurred in the parC gene, causing amino acid substitutions. Newly found amino acid substitutions in this study were Asn481Ser in GyrB; Phe149Leu, Asp150Met, Asp151Ile, and Ser152Val in ParC; and Pro446Ser and Arg448Lys in ParE. Continuous monitoring and accumulation of mutation data in fluoroquinolone-resistant Ureaplasma clinical isolates are essential to determining the tendency and to understanding the mechanisms underlying antimicrobial resistance.
In recent years, change in life patterns gave rise to an increase in the number of families with companion animals, and as a result, frequent dermatophytes infections have been reported. Microsporum canis, Trichophyton mentagrophytes, and Trichophyton verrucosum, are among these species of zoophilic dermatophytes. Trichophyton mentagrophytes are transmitted to humans by contact with wild animals. Infection from it causes strong inflammation in humans. Conversely, Trichophyton verrucosum is transmitted by contact with cattles. Microsporum canis will become latent carriers in cats or dogs, causing infectious diseases when it comes in contact with humans. We investigated zoophilic dermatophytes isolated according to annual, sex, age, season, body sites, and clinical types between 2010 and 2016. According to our results, the isolation rate of zoophilic dermatophytes was 0.37%, among which, 88 T. mentagrophytes, 228 Microsporum canis, and 18 Trichophyton verrucosum were isolated in human. It is interesting to note that Microsporum canis has been on the rise since 2014. Microsporum canis and Trichophyton verrucosum were highly isolated in females, but T. mentagrophytes was isolated similarly in both sexes. According to an age-based survey, the isolation rate was higher in children younger than 10 years. Our results is a valuable data for predicting and studying the isolation of zoophilic dermatophytes in the future.
Clinical and statistical observations were performed on 1,930 cases of pregnant women who were admitted for delivery in the Department of Obstetrics, Kyung Hee University Hospital during 1 year (1982) and on 1,961 cases of neonates who were born to the former. The results were obtained as follows: 1. Concerning maternal age distribution, the commonest age group was that of $25{\sim}29$ and the proportion of the age group $20{\sim}29$ was 82.4% of all. 2. Concerning obstetrical history, the proportion of the women who had no prior experience of delivery nor abortion was the highest, 45.5%. 3. Concerning abortion history, 36.1% of the women had experienced it and the mean number was 1.8. 4. Type of delivery was as follows: Spontaneous delivery; 58.1%, Vacuum extracted delivery; 22.4%, Cesarean section; 18:8%, Breech delivery; 0.7%. 5. Gestational period distribution of the neonates was as follows: Under 37 weeks (Preterm); 7.1%, Between 38 and 42 weeks (Term); 87.2%, More than 43 weeks (Postterm); 5.7%. 6. Sex ratio of male to female of the neonates was 1.03:1. 7. Birth weight distribution was as follows: Under 2,500gm.; 9.0%, Between 2,501 and 4,000 gm.; 85.5%, More than 4,001gm.; 5.5%. 8. The measured growth data of neonates were as follows: Body weight; 3.28kg. for male, 3.18kg. for female, Body height; 50.40cm for male, 49.77cm for female, Chest circumference; 32.54cm for male. 32.17cm for female, Head circumference; 33.49cm for male, 33.11cm for female. 9. The mean values of Apgar score per 1 minute were 7.70 for male and 7.63 for female. 10. The incidence rate of neonatal jaundice was 50.0% and no difference in sex respectively, but more prevalent in preform baby. 11. The incidence rate of neonatal diseases was 8.9% and the commonest disease was neonatal infection (35.6%). 12. Concerning multiple pregnancy, ratio to single births was 1 : 64.3 and the sex ratio of male to female was 1 : 1.03. 13. The incidence rate of congenital anomaly was 2.4% and the commonest anomaly was digestive system anomaly (30.9%). 14. The neonatal mortality rate was 11.73 per 1,000 neonates, and the majority of neonatal deaths were in low birth weight and preform neonates (78.3%). 15. The causes of neonatal deaths in decreasing order of frequency were abnormal ventilation (39.1%), prematurity (30.4%), congenital anomaly (13.0%) and etc.
Kim, Yoon-I;Heo, Dae-Seog;Lee, Seung-Mi;Youn, Kyoung-Eun;Koo, Hye-Won;Bae, Jong-Myon;Park, Byoung-Joo
Journal of Preventive Medicine and Public Health
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v.35
no.3
/
pp.245-254
/
2002
Objective : To test if the intake of $H_2$ receptor antagonists ($H_2$-RAs) increases the risk of gastric cancer in the elderly. Methods : The source population for this study was drawn from the responders to a questionnaire survey administered to the Korea Elderly Pharmacoepidemiological Cohort (KEPEC), who were beneficiaries of the Korean Medical Insurance Corporation, were at least 65 years old, and residing in Busan in 1999. The information on $H_2$-RAs exposure was obtained from a drug prescription database compiled between inn. 1993 and Dec. 1994. The cases consisted of 76 gastric cancer patients, as confirmed from the KMIC claims data, the National Cancer Registry and the Busan Cancer Registry. The follow-up period was from Jan. 1993 to Dec. 1998. Cancer free controls were randomly selected by 1:4 individual matching, which took in to consideration the year of birth and gender. Information on confounders was collected by a mail questionnaire survey. The odds ratios, and their 95% confidence intervals, were calculated using a conditional logistic regression model. Results : After adjusting for a history of gastric ulcer symptoms, medication history, and body mass index, the adjusted OR (aOR) was 4.6 (95% CI=1.72-12.49). The odds ratio of long term use (more than 7 days) was 2.3 (95% CI=1.07-4.82). The odds ratio of short term use was 4.6 (95% CI=1.26-16.50). The odds ratio of parenteral use was 4.4 195% CI=1.16-17.05) and combination use between the oral and parenteral routes (aOR, 16.8; 95% CI=1.21-233.24) had the high risk of gastric cancer. The aOR of cimetidine was 1.7 (95% CI=1.04-2.95). The aOR of ranitidine was 2.0 (95% CI=1.21-3.40). The aOR of famotidine was 1.7 (95% CI=0.98-2.80). Conclusion : The intake of $H_2$-RAs might increase the risk of gastric cancer through achlorhydria in the elderly.
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