• Title/Summary/Keyword: infant growth

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Family Planning as a Part of the Nursing-Staff In - Service Education Program (임상 간호원을 위한 실무교육 과정으로서의 가족계획)

  • 전춘영
    • Journal of Korean Academy of Nursing
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    • v.5 no.1
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    • pp.112-132
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    • 1975
  • When Korean family planning services began as a part of the National Policy in 1962, the annual population growth was 3.0%. This growth rate has been decreased to 2.0% during last ten year period. And it seems imperative that all hospitals, as well as related organizations, should participate in family planning in order to contribute to achieving the National goal of 1.5% population growth by 1976, the end of the Third Five Year Economic Development Plan. Nurses should be considered the most important human resources in charge of the core of family planning services in any setting. For the family planning services in the general hospital setting, nurses as a core members contribute much as change agent, motivators, counsellors, educators etc. A nurse can work with patients and their relatives when she is equipped with relevant knowledge and skills. Fur the more family planning cannot be ignored even in hospital setting where more comprehensive nursing care is needed Thus, the general objective of this study is to provide baseline data for better programming of In-service education in family planning so that effective hospital family planning nursing services can be made a part of comprehensive nursing care contributing to the national population program and human welfare. In order to meet the general objective, this study has the following specific objectives : 1. To find out the general characteristics of the clinical nurses working in Y Hospital 2. To evaluate their attitudes and practices of family planning 3. To assess their knowledge, attitudes and practices of population and family planning as professional nurses. 4. To examine and compare data collecting methods for the planning of an In-service Educational Program 5. To explore the contents to be included in this In-service Education Program. The study population randomly selected one hundred nurses working in Y Hospital A cross-sectional survey with questionnaires developed for this study was chosen for the study method. To collect reliable data, the questionnaires were distributed to and answered by the study population in a controlled situation. X²test and t-test was employed in analyzing the data. The findings of this study are as follows: 1. Y Hospital nurses had a lower ideal number of children (X=2.02) and showed no strong preference for male children, and 74% of them expressed the desire to use permanent methods of birth control 2. of this thirty Y Hospital nurses who were married 66.7% stated they were already practicing contraceptive methods. Most of them preferred male methods of contraception. 3. According to objective evaluation about knowledge of various aspects of population and family planning, respondents from collegiate programs significantly knew better the subjects on the average than did respondents from diploma programs of nursing. 4. There was a marked difference in the results of self-evaluation and objective evaluation in their family planning knowledge. It was found that the self-evaluation family planning knowledge seemed to be unreliable. Accordingly, the objective test methods appeared to be more reliable in the evaluation of knowledge levels. 5. The subject areas needed to be included in In-service education for the Hospital family planning services in Y Hospital are 1) rhythm methods, 2) tubal-legation, 3) family planning effects of contraceptives, 4) population growth, 5) demographic traction, 6) population structure and 7) infant mortality facts. In addition, 1) various oral contraceptives, 2) basal temperature method, 3) laparoscopic female sterilization, 4) interfering factors of family planning, 5) anatomy and physiology of the female reproductive organs were additional areas to be taught to respondents from 3-year diploma schools of nursing. Demographic transition was one subject area in which the four-year graduates need further study. 6. Population problems guidance and counselling in family planning instruction in the theory and practice of contraceptives should be included in future In-service Education Programs in order to provide more effective hospital Family Planning Services, stated 77.0% of the respondents.

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The effect of growth hormone treatment in short children born small for their gestational ages (만삭 부당경량아로 출생한 저신장증 환아에서의 성장호르몬 치료 효과)

  • Seo, Joo Hee;Kim, Duk Hee
    • Clinical and Experimental Pediatrics
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    • v.49 no.3
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    • pp.312-316
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    • 2006
  • Purpose : Growth hormone(GH) has been recognized as an effective treatment for short children born small for their gestational ages(SGA), and nowadays it has been widely used for the treatment of short children born SGA. The aim of this study is to assess the efficacy of GH treatment for the children born SGA. Methods : The study population was made of 40 short children born SGA with GH-treated(n=26) and untreated control group(n=14). In order to evaluate the effect of GH treatment, the changes in standard deviation scores(SDS) of the GH-treated group were compared to the changes in SDS before and after treatment from the control group in the same period. Results : There were no differences between the GH-treated group and the control group in gestational age, birth weight, chronological age, target height and the period of follow-up observation; however, the GH-treated group had lower height SDS($-3.3{\pm}0.9$) than the control group($-2.4{\pm}0.4$) before treatment(P<0.05). The GH-treated group had gained $1.2{\pm}1.0$ height SDS during GH treatment while the control group had gained $0.5{\pm}0.6$ height SDS. In the GH treatment group, HDL-cholesterol increased from $48.5{\pm}9.9mg/dL$ to $56.1{\pm}8.7mg/dL$(P<0.05) and LDL-cholesterol decreased from $88.1{\pm}23.3mg/dL$ to $76.4{\pm}19.4mg/dL$(P<0.05) after treatment. There were no changes in total cholesterol, triglyceride, free fatty acid and fasting blood sugar. IGF-I increased from $224.9{\pm}191.3{\mu}g/L$ to $443.2{\pm}152.5{\mu}g/L$(P<0.05) and IGFBP-3 also increased from $3.7{\pm}1.3mg/L$ to $5.6{\pm}1.2mg/L$(P<0.05). Conclusion : We conclude that growth hormone treatment is effective in the treatment of short children born SGA.

Study of The Area of Nursing Need by the Family Developmental Stage (가족발달단계에 따른 간호요구영역에 관한 연구)

  • 최부옥
    • Journal of Korean Academy of Nursing
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    • v.7 no.2
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    • pp.43-59
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    • 1977
  • The Community Health Service considers the family as a service unit and places the emphasis of its service on the health problems and the nursing needs of the family rather than the individual. From the conceptual point of view that tile community health service is both health maintenance and health promotion of the family, the community health nurse should have a knowledge of the growth and development of the family and be responsible for the comprehensive support of normal family development. The community health nurse often is in a position to make a real contribution to normal family development. In order to investigate the relationship between the areas of nursing need and family development, the following objectives were established 1. To discover the general characteristics of the study population by the stage of family development. 2. To discover specific nursing needs in relation to the family developmental stage, and to determine the intensity of the nursing needs and the ability of the family to cope with these needs. 3. To discover overall family health nursing problems in relation to the family developmental stage and determine the intensity of the nursing need and the problem solving ability of family. Definitions : The family developmental stages as classified by Dually were used stage 1. Married couples(without children) stage 2. Childbearing Families (oldest child birth to 30 months of age) stage 3. Families with preschool children (oldest child 2½-to 6 years) stage 4. Families with schoolchildren (oldest child 6 to 13 years). stage 5. Families with teenagers (oldest child 13 to 20 years) stage 6. Families as launching centers (first child gone to last child′s leaving home). stage 7. Middle- aged parents (empty nest to retirement) stage 8. Aging family member (retirement to death of both spouses) The areas of nursing need were defined as those used in the study, "A Comprehensive Study about Health and Nursing Need and a Social Diagram of the Community", by tile Nursing research Institute and Center for population. and Family Planning, July 1974. The study population defiled and selected were 260 nuclear families ill two myron of Kang Hwa Island. Percent, mean value and F- test were utilized in tile statistical analysis of the study result. Findings : 1. General characteristics of the study population by tile family developmental stage ; 1)The study population was distributed by the family developmental stage as follows : stage 1 : 3 families stage 2 : 13 families stage 3 : 24 families stage 4 : 41 families stage 5 : 50 families stage 6 : 106 families stage 7 : 13 families stage 8 : 10 families 2) Most families had 4 or 5 members except for those in stage, 1, 7, and 8. 3) The parents′ present age was older in the higher developmental stage and their age at marriage was also younger in the higher developmental stages. 4) The educational level of parents was primarily less than elementary school irrespective of the developmental stage. 5) More than half of parents′ occupations were listed as laborers irrespective of the developmental stage, 6) More than half of the parents were atheists irrespective of the developmental stage. 7) The higher the developmental stage(from stage 2 to stage 6 ), the wider the distribution of children′s ages. 8) More than half of the families were of middle or lower socio-economic level. 2. Problems in specific areas of nursing need by family developmental stage, the intensity of nursing need and the problem solving ability of the family : 1) As a whole, many problems, irrespective of the developmental stage, occurred in tile areas of Housing and Sanitation, Eating Patterns, Housekeeping, Preventive Measures and Dental care. Problems occurring ill particular stages included the following ; stage 1 : Prevention of Accident stage 2 : Preventive Vaccination, Family Planning. stage 3 : Preventive Vaccination, Maternal Health, Family Planning, Health of Infant and Preschooler. stage 4, 5 : Preventive Vaccination, Family Planning, Health of School Children. stage 6 : Preventive Vaccination, Health of School Children. 2) The intensity of the nursing need in the area of Acute and Chronic Diseases was generally of moderate degree or above irrespective of the developmental stages except for stage 1. Other areas of need listed as moderate or above were found in the following stages: stage 1 : Maternal Health stage 3 . Horsing and Sanitation, Prevention of Accident. stage 4 . Housing and Sanitation. stage 5 : Housing and Sanitation, Diagnostic and Medical Care. stage 6 : Diagnostic and Medical care stage 7 : Diagnostic and Medical Care, Housekeeping. stage 8 : Housing and Sanitation, Prevention of Accident, Diagnostic and Medical Care, Dental Care, Eating Patterns, Housekeeping. 3) Areas of need with moderate problem solving ability or less were as follows : stage 1 : Diagnostic and Medical Care, Maternal Health. stage 2 : Prevention of Accident, Acute and Chronic Disease, Dental Care. stage 3 : Housing and Sanitation, Acute and Chronic Disease, Diagnostic and Medical Care, Preventive Measure, Dental Care, Maternal Health, Health of Infant and preschooler, Eating Patterns. stage 4 : Housing and Sanitation, Prevention of Accident, Diagnostic and Medical Care, Preventive Measure, Dental Care, Maternal Health, Health of New Born, Health of Infant and Preschooler, Health of school Children, Eating Patterns, Housekeeping. stage 5 . Housing and Sanitation, Prevention of Accident, Acute and Chronic Disease, Diagnostic and Medical Care, Preventive Measure, Dental Care, Preventive Vaccination, Maternal Health, Eating Patterns. stage 7, 8 : Housing and Sanitation, Prevention of Accident, Acute and Chronic Disease, Diagnostic and Medical Care, Preventive Measures, Dental Care, Preventive Vaccination, Eating Patterns , Housekeeping. Problem occurrence, the degree of nursing need and the degree of problem solving ability 1 nursing need areas for the family as a whole were as follows : 1) The higher the stages(except stage 1 ), the lower the rate of problem occurrence. 2) The higher the stage becomes, the lower the intensity of the nursing need becomes. 3) The higher the stages (except stages 7 and 8), the higher. the problem solving ability. Conclusions ; 1) When the nursing care plan for the family is drawn up, depending upon the stage of family development, higher priority should be give to nursing need areas ① at which problems were shown to occur ② where the nursing need is shown to be above moderate degree and ③ where the problem solving ability was shown to be of moderate degree. 2) The priority of the nursing service should be Placed ① not on those families in the high developmental stage but on those families in the low developmental stage ② and on those areas of need shown in stages 7 and 8 where the degree nursing need was high and the ability to cope low.

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Long-Term Effects of the DHA Supplementation on Physical and Brain Development in Full-Term Infants (장기간에 걸친 DHA 보충이 영아의 신체발육 및 두뇌발달에 미치는 영향)

  • 정현주
    • Journal of Nutrition and Health
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    • v.31 no.8
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    • pp.1295-1306
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    • 1998
  • Recent research indicates that the n-3 fatty acid , docosahexaenoic acid(22 : 6n 3, DHA) plays an essential role in infant brain development . DHA is highly concentrated in brain and retinal tissues and accumulates during late fetal and early neonatal life. Diets deficient in DHA are associated with reduced levels of DHA in brain and retinal tissues. The purpose of this study is to investigate the long term effects of DHA supplementation on the growth and mental development of full-term infants. THirty four healty infants were recruited from those who were delivered at Kyung Hee Medical Center. The experimental groups were the breast milk+DHA(-) group who were fed human milk for 20 weeks after birth and thereafter were fed placebo formula for 28 weeks, the breast milk+DHA(+) group who were fed human milk for 20 weeks after birth and thereafter were fed DHA supplemented formula for 28 weeks, DHA(-) group who were fed placebo formula for 48 weeks, and DHA(+) group who were fed DHA supplemented formula for 48 weeks. The daily average intake of DHA for the breast milk+DHA(-) , breast milk+DHA(+), DHA(-) and DHA(+) groups were 39.1mg, 89.9mg, 17.7mg, and 160.224mg, respectively. The results showed that measurements of infant weight, length, head, and chest circumferncewere all in normal range and they were not influenced by the DHA supplements in their diets. There was a significant correlation between dietary DHA intake and erythrocyte DHA level. The results of flash visual evoke potential (VEP) test were not correlated with eerythrocyte DHA and dietary DHA levels at 48 weeks of age. No differences were found in Bayley mental and Psychomotor Development lndex scores among the four experimental groups at 48 weeks of age. Unlike the short-term effects there was no long-term effect of relatively small amounts of dietary DHA supplements on the scores for flash VEP and Bayley test, even thour호 there was an elevated DHA supplements on the scores for flash VEP and Bayley test, even through there was an elevated DHA content in the infants erythrocytes.

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A Study on the Born Global Venture Corporation's Characteristics and Performance ('본글로벌(born global)전략'을 추구하는 벤처기업의 특성과 성과에 관한 연구)

  • Kim, Hyung-Jun;Jung, Duk-Hwa
    • Journal of Global Scholars of Marketing Science
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    • v.17 no.3
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    • pp.39-59
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    • 2007
  • The international involvement of a firm has been described as a gradual development process "a process in which the enterprise gradually increases its international involvement in many studies. This process evolves in the interplay between the development of knowledge about foreign markets and operations on one hand and increasing commitment of resources to foreign markets on the other." On the basis of Uppsala internationalization model, many studies strengthen strong theoretical and empirical support. According to the predictions of the classic stages theory, the internationalization process of firms have been recognized and characterized gradual evolution to foreign markets, so called stage theory: indirect & direct export, strategic alliance and foreign direct investment. However, termed "international new ventures" (McDougall, Shane, and Oviatt 1994), "born globals" (Knight 1997; Knight and Cavusgil 1996; Madsen and Servais 1997), "instant internationals" (Preece, Miles, and Baetz 1999), or "global startups" (Oviatt and McDougall 1994) have been used and come into spotlight in internationalization study of technology intensity venture companies. Recent researches focused on venture company have suggested the phenomenons of 'born global' firms as a contradiction to the stages theory. Especially the article by Oviatt and McDougall threw the spotlight on international entrepreneurs, on international new ventures, and on their importance in the globalising world economy. Since venture companies have, by definition. lack of economies of scale, lack of resources (financial and knowledge), and aversion to risk taking, they have a difficulty in expanding their market to abroad and pursue internalization gradually and step by step. However many venture companies have pursued 'Born Global Strategy', which is different from process strategy, because corporate's environment has been rapidly changing to globalization. The existing studies investigate that (1) why the ventures enter into overseas market in those early stage, even in infancy, (2) what make the different international strategy among ventures and the born global strategy is better to the infant ventures. However, as for venture's performance(growth and profitability), the existing results do not correspond each other. They also, don't include marketing strategy (differentiation, low price, market breadth and market pioneer) that is important factors in studying of BGV's performance. In this paper I aim to delineate the appearance of international new ventures and the phenomenons of venture companies' internationalization strategy. In order to verify research problems, I develop a resource-based model and marketing strategies for analyzing the effects of the born global venture firms. In this paper, I suggested 3 research problems. First, do the korean venture companies take some advantages in the aspects of corporate's performances (growth, profitability and overall market performances) when they pursue internationalization from inception? Second, do the korean BGV have firm specific assets (foreign experiences, foreign orientation, organizational absorptive capacity)? Third, What are the marketing strategies of korean BGV and is it different from others? Under these problems, I test then (1) whether the BGV that a firm started its internationalization activity almost from inception, has more intangible resources(foreign experience of corporate members, foreign orientation, technological competences and absorptive capacity) than any other venture firms(Non_BGV) and (2) also whether the BGV's marketing strategies-differentiation, low price, market diversification and preemption strategy are different from Non_BGV. Above all, the main purpose of this research is that results achieved by BGV are indeed better than those obtained by Non_BGV firms with respect to firm's growth rate and efficiency. To do this research, I surveyed venture companies located in Seoul and Deajeon in Korea during November to December, 2005. I gather the data from 200 venture companies and then selected 84 samples, which have been founded during 1999${\sim}$2000. To compare BGV's characteristics with those of Non_BGV, I also had to classify BGV by export intensity over 50% among five or six aged venture firms. Many other researches tried to classify BGV and Non_BGV, but there were various criterion as many as researchers studied on this topic. Some of them use time gap, which is time difference of establishment and it's first internationalization experience and others use export intensity, ration of export sales amount divided by total sales amount. Although using a mixed criterion of prior research in my case, I do think this kinds of criterion is subjective and arbitrary rather than objective, so I do mention my research has some critical limitation in the classification of BGV and Non_BGV. The first purpose of research is the test of difference of performance between BGV and Non_BGV. As a result of t-test, the research show that there are statistically efficient difference not only in the growth rate (sales growth rate compared to competitors and 3 years averaged sales growth rate) but also in general market performance of BGV. But in case of profitability performance, the hypothesis that is BGV is more profit (return on investment(ROI) compared to competitors and 3 years averaged ROI) than Non-BGV was not supported. From these results, this paper concludes that BGV grows rapidly and gets a high market performance (in aspect of market share and customer loyalty) but there is no profitability difference between BGV and Non_BGV. The second result is that BGV have more absorptive capacity especially, knowledge competence, and entrepreneur's international experience than Non_BGV. And this paper also found BGV search for product differentiation, exemption strategy and market diversification strategy while Non_BGV search for low price strategy. These results have never been dealt with other existing studies. This research has some limitations. First limitation is concerned about the definition of BGV, as I mentioned above. Conceptually speaking, BGV is defined as company pursue internationalization from inception, but in empirical study, it's very difficult to classify between BGV and Non_BGV. I tried to classify on the basis of time difference and export intensity, this criterions are so subjective and arbitrary that the results are not robust if the criterion were changed. Second limitation is concerned about sample used in this research. I surveyed venture companies just located in Seoul and Daejeon and also use only 84 samples which more or less provoke sample bias problem and generalization of results. I think the more following studies that focus on ventures located in other region, the better to verify the results of this paper.

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Effects of Different Tillage Practices on Changes of Soil Physical Properties and Growth of Direct Seeding Rice (경운방법의(耕耘方法) 차이(差異)가 토양물리성(土壤物理性)과 직파(直播)벼생육(生育)에 미치는 영향(影響))

  • Cho, Hyun-Jun;Jo, In-Sang;Hyun, Byung-Keun;Shin, Jae-Sung
    • Korean Journal of Soil Science and Fertilizer
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    • v.28 no.4
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    • pp.301-305
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    • 1995
  • This study was conducted to find out the changes of soil physical properties and rice growth by the different soil prepartion, such as direct seeding in dry or submerged condition, tillage or no-tillage, and transplanting the infant seedlings. Soil bulk density and hardness were higher in no-tillage plots than tillage plots, and in dry-seeding plots than submerged seeding plots. Permeability of no-tillage plot was increased 56% and water requirement was also increased 27% compare to the conventional transplanting condition. In no-tillage plot, the soil water contents were so rapidly decreased that easily changed to optimum condition for machinery working. The root growth of rice was inhibited as increasing the soil bulk density at early stage, bottom of culm in no-tillage submerged plot was located 0.9cm above the soil surface and the rice plant slightly lodged. The root distribution of surface layer was higher in no-tillage plot and the heading date was 2 days earlier in no-tillage plots than tillage plots, and 3 days earlier in dry seeding plot than submerged seeding plot. Rice yields of no-tillage plots were 5.55 M/T/ha and 5.16 M/T/ha for dry and submerged seeding respectively. These yields were lower about 12.1 % in dry seeding and 18.3% in submerged seeding compare with 6.31M/T/ha of transplanting plot. Rice yields were higher at dry seeding than submerged seeding in no-tillage condition, but in tillage condition, the rice yields were better at submerged seeding plot than dry one.

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The association between serum IGF-1 and neonatal growth and disease in a NICU (신생아집중치료실 입원아의 혈청 IGF-1과 성장 및 질병 사이의 관련성)

  • Kim, Jung Ok;Lim, Hae Ri;Kim, Heng Mi
    • Clinical and Experimental Pediatrics
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    • v.52 no.2
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    • pp.176-180
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    • 2009
  • Purpose : The objective of this study was to establish the serum IGF-1 level in newborn infants, and investigate its association with growth and diseases. Methods : In a retrospective study, serum IGF-1 levels were measured for newborn infants admitted to NICU at Kyungpook University Hospital from March 2007 to July 2007. Birth data, disease history, and hospital course were obtained from medical records. Results : Of 52 blood samples obtained at birth, serum IGF-l levels in 30 preterm infants ($31.6{\pm}27.3$ ng/mL) were lower than in 22 full-term infants ($53.4{\pm}40.0$ ng/mL; P<0.05). In sick full-term infants, serum IGF-1 levels ($46.0{\pm}40.2$ ng/mL) were lower than in healthy full-term infants ($64.1{\pm}39.5$ ng/mL; P<0.05). In preterm infants, there were no differences in IGF-1 levels between healthy ($33.2{\pm}23.3$ ng/mL) and sick infants ($30.6{\pm}30.4$ ng/mL); however, IGF-1 levels in both sick and healthy preterm infants were lower than in healthy full-term infants. Among infants admitted after 8 days of life, serum IGF-1 levels were higher in infants who gained weight ($70.8{\pm}36.2$ ng/mL) than in infants who lost weight ($13.3{\pm}19.9$ ng/mL; P<0.01); however IGF-1 levels showed no difference between gender or method of delivery. Conclusion : The study showed lower IGF-l levels in preterm infants than in full-term infants. Additionally, the IGF-l level in infants with weight loss was lower than in infants with weight gain. These results indicate that serum IGF-1 is associated with gestational age and postnatal growth.

A Study on the Characteristics of Patients Affecting the Behavior of Students Majoring in Dental Hygiene Avoiding Patients (치위생과 학생의 환자 기피에 영향하는 환자 특성에 관한 연구)

  • Kim, Young-Nam
    • Journal of Korean society of Dental Hygiene
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    • v.2 no.1
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    • pp.21-41
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    • 2002
  • This study is designed to offer basic materials necessary for the instruction of effective clinical practices and the establishment of relationship with patients by means of making an analysis of the characteristics of patients affecting the behavior of students majoring in dental hygiene avoiding patients and countermeasures. With this in mind, the researcher worked with sophomores and juniors exposed to clinical practices during the period ranging from October 22, 2001 to November 9, 2001. The researcher came to the following conclusions on the basis of the findings of this survey. 1. The characteristics of patients influencing the behavior of avoiding them were categorized into appearance characteristics, personality characteristics, treatment-cooperative characteristics, and speech and behavior characteristics. Speech and behavior characteristics(4.26) turned out to be the most influential factor of all, which was followed by treatment-cooperative characteristics(3.68), personality characteristics(3.62) and appearance characteristics(3.42) in the right order. 2. The survey shows that foul breath and obnoxious oral(3.94) cavity were the worst factors of appearance characteristics and that using abusive language and being too aggressive(4.41) were the worst factors of personality characteristics. The study reveals that not putting faith in trainees(4.02) was the highest factor of treatment-cooperative characteristics and that using abusive language(4.50) was the highest factor of speech and behavior characteristics. 3. There was a significant positive relation between the domains of the characteristics of avoiding patients. The study indicates that the more subjects avoided the characteristics of patients, the more they avoided appearance characteristics(r =.444, p<.001) and that the more subjects avoided treatment-cooperative characteristics, the more they avoided appearance characteristics(r=.324, P<.001) and personality characteristics(r=.691, p<.001), and that the more they avoided speech and behavior characteristics, the more they avoided appearance characteristics(r=.265, p<.001) and personality characteristics (r=.531, p<.001). 4. The study shows that there was a significant difference between appearance characteristics and the growth areas of the subjects(p<.05) and that there was a significant difference between the satisfaction of clinical practices(p<.05) and health status(p<.05) in terms of personality characteristics. 5. The subjects avoided preschoolers, whose age ranged from 4 to 6(33.5%), most and avoided boys(71.4%) more than girls. They avoided those who were bereft of jobs(62.9%). And they avoided handicapped persons most in terms of special patients and avoided infant patients(31.0%). 6. The subjects turned out to have negative and passive countermeasures against those patients that had ever been avoided. So the researcher would like to suggest that theoretic education and training programs should be conducted in this respect by incorporating this mailer into the hygiene curriculum.

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In vitro Bone Marrow Cell Proliferation of Cell Wall Preparation from Bifidobacterium bifidum SL-21 (Bifidobacterium bifidum SL-21의 세포벽 조제성분에 의한 in vitro 골수세포 증식활성)

  • Shin, Myong-Sook;Yu, Kwang-Won;Shin, Kwang-Soon;Lee, Ho
    • Korean Journal of Food Science and Technology
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    • v.36 no.3
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    • pp.484-489
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    • 2004
  • Bifidobacterium species isolated from infant feces were fractionated into cell wall, cytosol, and extracellular preparations of culture broth, and each fraction was examined for Peyer's patch-mediated bone marrow cell proliferation activity in vitro. Cell wall preparation of B. bifidum SL-21 (CWP) showed the highest bone marrow cell proliferating activity dose dependently, and enhanced production of cytokines, such as hematopoietic growth factor (GM-CSF), IL-2, and IL-6, in culture supernatant of Peyer's patch cells, After treatment with lysozyme, CWP was fractionated, among which intermediate molecular-weight fraction (30-50 kDa) showed significantly high bone marrow cell proliferating activity. These results suggest CWP of B. bifidum SL-21 effectively activates lymphocytes in Peyer's patch, and several cytokines, possibly playing important role in enhancement of systemic immune system, were produced by activated lymphocytes.

Health Risk Behaviors Affecting the Process of Pregnancy (임신경과에 영향을 미치는 건강위험행위)

  • Park, Chai-Soon;Mun, Mi-Seon;Hong, Gin-Hee;Lee, Jeoung-Eun
    • Women's Health Nursing
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    • v.6 no.4
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    • pp.549-565
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    • 2000
  • Comprehensive review of the literature was conducted to determine 1) selected risk factors and its impact that affect pregnancy outcome such as smoking, alcohol consumption, and substance abuse 2) these factors can facilitate future strategies for health promotion and prevention for both pregnant women and fetus. Review of literature were extracted from searching MEDLINE(1966 - Oct. 2000). CINAHL (1982 - Oct. 2000) and the domestic literature. The following factors were identified: 1. The effects of risk behaviors on pregnancy. ${\cdot}$Maternal smoking was associated with the occurrence of premature or LBW delivery, fetal growth retardation, extremities defects, heart defects and sudden infant death syndrome. ${\cdot}$Maternal alcohol consumption was associated with spontaneous abortion, premature or LBW delivery, morphologic/neurologic problems, especially fetal alcohol syndrome. ${\cdot}$Heroin was associated with withdrawal after birth in which were born to heroine addicts for gestational age and lung maturation in animal studies. ${\cdot}$Cocaine was associated with spontaneous abortion, abruptio placenta and a poor response to environmental stimuli. ${\cdot}$So far, the effects of caffeine on pregnancy was controversial, but severe caffeine consumption was associated with premature or LBW delivery, spontaneous abortion, still birth and dystocia. 2. Intervention methods and its effects identified were as follows ${\cdot}$Conducted intervention for smoking, alcohol and drug consumption were single or combined. ${\cdot}$Intervention methods were counseling, phone contact, mailing, use of educational videotape, booklet, support person and alternatives such as nicotine patch. ${\cdot}$The interventions increased the rates of smoking cessation during pregnancy and awareness of the risk of drug consumption, and decreased amount of alcohol consumption. ${\cdot}$The intervention outcome found positive effect on birth weight and length. 3. Our recommendations were as follows ${\cdot}$The personal and social cognition should be enhanced through education and the mass media. ${\cdot}$It's necessary to educate and give information of preconceptional care, planned pregnancy and early prenatal care for optimal pregnancy outcome. ${\cdot}$It's necessary to develop comprehensive assessment tool which is reliable and valid on smoking, alcohol consumption and substance abuse to identify supportive or interventional program.

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