• 제목/요약/키워드: Fertility quality of life

검색결과 50건 처리시간 0.024초

Management issues of congenital adrenal hyperplasia during the transition from pediatric to adult care

  • Choi, Jin-Ho;Yoo, Han-Wook
    • Clinical and Experimental Pediatrics
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    • 제60권2호
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    • pp.31-37
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    • 2017
  • Steroid 21-hydroxylase deficiency is the most prevalent form of congenital adrenal hyperplasia (CAH), accounting for approximately 95% of cases. With the advent of newborn screening and hormone replacement therapy, most children with CAH survive into adulthood. Adolescents and adults with CAH experience a number of complications, including short stature, obesity, infertility, tumor, osteoporosis, and reduced quality of life. Transition from pediatric to adult care and management of long-term complications are challenging for both patients and health-care providers. Psychosocial issues frequently affect adherence to glucocorticoid treatment. Therefore, the safe transition of adolescents to adult care requires regular follow-up of patients by a multidisciplinary team including pediatric and adult endocrinologists. The major goals for management of adults with 21-hydroxylase deficiency are to minimize the long-term complications of glucocorticoid therapy, reduce hyperandrogenism, prevent adrenal or testicular adrenal rest tumors, maintain fertility, and improve quality of life. Optimized medical or surgical treatment strategies should be developed through coordinated care, both during transition periods and throughout patients' lifetimes. This review will summarize current knowledge on the management of adults with CAH, and suggested appropriate approaches to the transition from pediatric to adult care.

R&D Policy of the Korean Government for Aging Society

  • Suh, Jiyoung
    • STI Policy Review
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    • 제4권1호
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    • pp.14-26
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    • 2013
  • The $1^{st}$ National Plan for Aging Society with Low Fertility, which the Korean government announced in 2006, caused the gradual increase of R&D investment in order to prepare for an aging society in Korea. This study explores if the directions and strategies of R&D projects related to aging are suitable to improve the quality of life for elderly people and establish a sustainable aging society by analyzing the features of R&D investment from 2004 to 2010. The results show that most R&D projects conducted by departments focus on the development of assistive devices for the elderly to support everyday lives. The Korean government's R&D policy to prepare for an aging society is based on the narrow interpretation of Quality of Life (QoL) in an aging society that tries to resolve the socioeconomic problems of the elderly; however, the policies have ignored the independence of active elderly individuals and the social integration of the young and elderly generations. The research shows that a paradigm shift is required from a 'Senior' to 'Aging Society' because almost 1/3 of the Korean population is over 65 years old and the expansion of the research embraces from assistive technologies for the elderly to the design of social infrastructure such as transportation, education and work.

강원도 고랭지 채소 재배지의 토양 비옥도관리 현황과 전망 (Fertility Status in Northeastern Alpine Soils of South Korea with Cultivation of Vegetable Crops)

  • 양재의;조병옥;신영오;김정제
    • 한국토양비료학회지
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    • 제34권1호
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    • pp.1-7
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    • 2001
  • 지난 2, 30년 동안에 진행되고 있는 한국인의 식생활변화와 함께 채소 작물에 대한 수요가 급격히 증가하면서 강원도 고랭지 토양이 여름 채소 재배지로 각광을 받게 되었고 그 재배 면적이 매년 확대 일로에 있다. 이 토양의 비옥도를 유지 내지는 향상시키고 적절한 관리를 기하기 위해 광범위하고 집중적인 조사와 검정을 실시하여 얻은 결과의 일부를 다음과 같이 정리할 수 있었다. 조사된 토양은 일반적으로 양토 내지는 사양토로써 배수가 양호하였으며 대부분 경사지에 놓여 있기 때문에 심할 경우 침식의 위험에 노출되게 되어 경작충이 매우 얕았으며, 이 중 30% 또는 그 이상의 경사도를 가진 토양 11%는 곧 다시 조림해야 할 정도로 농경지로써는 부적절하였다. 이미 받은 침식으로 인해 자갈 함량이 높았으며 토양의 경도 역시 식물의 뿌리 신장과 농기구 사용에 지장을 줄 정도였다. 토양의 pH는 산성화 쪽으로 진행되었고, 유기물 함량, 치환성 염기인 Ca, Mg, 그리고 K의 함량은 경작 연수가 증가함에 따라 감소하였는데 유효 인산 ($P_2O_5$)만은 농가의 퇴구비 과다 사용 결과로 인해 크게 증가하는 경향을 보였다. 양이온 치환용량(CEC)과 전기 전도도(EC)는 토양과 토양 사이에 별 차이가 없었다. 이 지역의 고랭지 토양은 아직 Cd, Cu, Pb, Zn 그리고 Ni등의 중금속 원소에 의한 토양 오염의 영향을 받지 않은 것으로 나타났다.

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우울증과 생활사건 스트레스에 대한 폐경전${\cdot}$후 비교 (A Comparative Study of Depression and Stress Related Life Events among Women in the Menopausal Stage)

  • 정은순
    • 대한간호학회지
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    • 제30권4호
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    • pp.956-966
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    • 2000
  • The purpose of this study was to examine the comparative between depression and stress related to life events among women in the menopausal stage. Menopausal stages were divided into two groups: Pre and post-menopausal stages. The degree of depression and stress related to life events between pre and post menopausal women were compared to each other. Women, aged between 41 and 59 years, answered self-reported questionnaires which included Zung's depression scale and life events scale modified by Lee (1984). Findings were as follows; 1) The mean score of premenopausal women who experienced depression was 39.66, and for post-menopausal women the score was 41.45. There was no significant differences in depression levels between pre and post menopausal group.s (t=-1.55, p=.122). 2) Menopausal women experienced low levels of stress related to life events. There were no significant differences between pre and post menopausal groups(t=.527, p>.05). Both pre and post menopausal groups were highly concerned about education issues of their children and disharmony between couples. 3) There was a significant relationship between depression and stress related to life events among post-menopausal groups (r=.22, p<.01). Based on the findings of this study, the menopausal depression was associated with stress related to life events, especially among post-menopausal women. Feelings of lost fertility and feminine attributies result in menopausal depression, which is significantly correlated with women's negative perception of their life events. Therefore, nursing intervention needs to develop to help reduce the levels of depression and overcome their negative perception of the menopausal experience. Nurses should develop nursing strategies to help menopausal women to have positive perceptions and enhance quality of life by assisting their adaptability to physiological and psychological changes related to menopause.

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Percoll에 의한 미니돼지 정액내 세균 제거가 정자 성상과 수정란 분할에 미치는 영향 (Effect of Bacteria Eliminated Sperm by Percoll Method on Sperm Quality and Embryo Cleavage in Miniature Pig)

  • 유한준;전준명;이용승;정희태;양부근;김대영;박춘근
    • Reproductive and Developmental Biology
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    • 제33권1호
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    • pp.35-40
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    • 2009
  • The objectives of this study was to evaluate the efficiency of the bacteria eliminated sperm by percoll gradient method on sperm quality and embryo cleavage in vitro in pig. The semen of miniature pig collected by gloved-hand method pre-warmed ($37^{\circ}C$) in thermos bottle, and separated by 65% percoll. Analysis of sperm ability was estimated by examining viability, capacitation and acrosome reaction using chlortetracycline (CTC) and the abnormality. Also, fertility of sperm was monitored with cleavage rate of embryo after IVF using separated and un-separated sperm by percoll. The result, viability of separated sperm was significantly(p<0.05) higher($83.6{\pm}$2.0 vs $59.0{\pm}4.4%$) than un-separated sperm. The results of CTC analysis showed the percentage of F- and B-patterned separated sperm was higher in separated that than un-separated sperm. On the contrary, the percentage of AR-patterned form unseparaed sperm was significantly(p<0.05) higher($13.6{\pm}0.8$ vs $8.1{\pm}0.6%$) than separated sperm. Also, abnormality of un-separated sperm was significantly(p<0.05) higher($2.2{\pm}0.4$ vs $16.8{\pm}2.8%$) than separated sperm. However, the cleavage rates of embryo using separated sperm by percoll and un-separated sperm had not significantly difference on 2 cell stage(9.25 vs 11.88%), 4 cell stage(26.76 vs 24.51%) and >4 cell stage(63.99 vs 63.61%) at 48h of IVF. Therefore, the sperm separated by percoll method showed improvement in sperm quality than un-separated sperm in miniature pig.

Effects of different nitrogen fertilizer applications on growth of Chinese cabbage (Brassica rapa L. ssp. pekinensis)

  • Jin-Hyuk Chun;Yun-Gu Kang;Yong-Jun Yu;Jae-Han Lee;Yeo-Uk Yun;Taek-Keun Oh
    • 농업과학연구
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    • 제49권4호
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    • pp.657-666
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    • 2022
  • Nitrogen (N) is a vital element in growing crops and is essential for improving the yield and quality of crops. Thus, N fertilizer is the most widely used fertilizer and the primary N input source in soil-crop systems. Inorganic fertilizers such as urea are known to improve crop productivity and increase soil fertility. However, application with excessive amounts can interfere with crop growth and accelerate soil acidification. For these reasons, the use of organic fertilizers, which mainly contain organic nitrogen, has gradually increased worldwide. Therefore, this study evaluated the effects of N fertilizer on the growth of Chinese cabbage including its functional compounds glucosinolates (GSLs). For the cultivation of Chinse cabbage, inorganic fertilizer was used for urea, and organic fertilizers were divided into conventional and biochar-based fertilizers. The growth parameters of Chinese cabbage treated by organic fertilizers was better than those of the inorganic fertilizers. Additionally, it was found that their co-application was more efficient. However, their GSL contents were lower with the application of the organic fertilizers. The characteristics of the experimental soil also changed according to the type, amounts and co-application of fertilizers. Therefore, this study presents the basis for an eco-friendly method that can increase the functionality and productivity of Chinese cabbage compared to conventional cultivations.

Assessing the Limits of Agricultural Situation for the Food Security in North Korea

  • Rhie, Ja-Hyun;Lee, Kyo-Suk;Seo, Il-Hwan;Min, Se-Won;Chung, Doug-Young
    • 한국토양비료학회지
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    • 제50권4호
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    • pp.275-284
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    • 2017
  • The food situation in North Korea (Democratic People's Republic of Korea, DPRK) has been in difficulty situation because of a shortage of energy, and of raw materials such as fertilizer and agricultural chemicals. The international agricultural aid programs can alleviate some difficulties in the agricultural areas, but the policies and measures in North Korea can not help difficulties in the agriculture due to the institutional obstacles enforced by DPRK. The arable area of DPRK is approximately $20,000km^2$, of which $14,000km^2$ is well for cereal cultivation. Fertilizer supplies in recent years between 700,000 and 750,000 tons annually were less than 50% of the normal requirement. Also, North Korea strongly needed to inject phosphorus fertilizer and lime to increase the fertility. Soil degradation in DPRK was characterized by physical and chemical changes caused by rapid loss of clay particles and organic matter. Intensive ploughing and tilling to grow crops may lead to massive soil degradation and declining yields. Although farmers in the DPRK have faced numerous challenges, not least of which are soil erosion, scarce inputs and extreme weather like drought, flooding and cold spells. Therefore farmers should be encouraged to adopt more environmentally sound cropping practices, to access quality seeds and planting materials and to reduce losses after the harvest.

시판 부산물비료의 화학성 분포 (Chemical Properties Distributions of Commercial Organic By-product Fertilizers)

  • 이창호;윤영만;옥용식;임수길;김정규
    • 한국토양비료학회지
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    • 제37권1호
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    • pp.1-6
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    • 2004
  • 각종 농업생산 활동을 통해 배출되는 유기성 부산물을 자원으로 재활용하기 위하여 퇴비화시켜 사용하고 있다. 퇴비화에 의한 재활용은 식물양분의 공급뿐 아니라 토양의 물리, 화학, 생물학적 특성의 개량을 가져올 수 있다. 그러나 국내에서 시판되는 퇴비의 경우 부재료 관리 등에 한계성이 있어, 중금속 등의 유해물질을 함유하거나 미부숙된 비료가 유통되고 있는 실정이다. 본 연구에서는 시판되고 있는 부산물비료의 화학적 특성을 파악하기 위하여 전국 각지에서 생산되는 약 600여종의 시판품 중에서 100 여종을 입수하여 화학성 및 유해물질 함량을 분석하였다. 실험결과 부산물 비료의 중금속 (Cd. Pb, Cu, Cr) 함량과 OM/N의 경우 좌측으로 극편향된 분포를 보여서 집단의 대표 값으로는 평균 보다는 중위값이 적합하다고 판단되었다. 한편 현재의 품질기준을 넘어서는 부산물비료의 출현빈도는 낮았지만, 그 비료들 중의 유해물질 함량은 전체 분석시료의 중위값보다 훨씬 큰 값을 보였다. 이상과 같은 결과로부터 부산물비료 각각의 품질 평가에는 중위값, 우리나라에서 생산되는 부산물비료 전체가 미치는 영향의 파악에는 가중평균값을 이용하는 것이 합리적이라고 판단할 수 있었다.

인구정책과 인구자질향상을 위한 연구(제 1 보 심신장애자 발생억제대책) (Population Policy and Population Quality(Report 1. General Review on the Problems of Mental and Physical Handicaps))

  • 김정근;허정
    • 한국인구학
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    • 제3권1호
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    • pp.5-41
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    • 1979
  • Vast volumes of studies of the medical and public health aspects of fertility and family planning have been published by the various institutes of health related research and university scholars in Korea. None of them, however, have dealed with the population problems associated with biologically and mentally handicapped people. It must be emphasized that the purpose of Korea's population policy should be to improve the quality of the population rather than to decrease its rate of increase. In this spirit, the first report of this study is to identify problems related with mentally and physically less fitted population, and to attempt to offer the possible solutions to the health planners and policy-makers. Several nation-wide surveys of the handicapped people in Korea have been compared. Each survey shows a wide range of difference in the prevalence of the handicaps(see Table 13). In this study, the data on the handicaps are collected by two independent system ; one by the nation-wide survey and the other by the reporting system existing at the Seoul National University Demonstration Health Project. The Chandrasekar-Deming technique was used to estimate the total number of handicaps. The estimates are summarized in the tables 8, 9 and 10. Estimate of total number of handicapped people in Korea is 601, 400 with the prevalence rate of 16.1 per thousand persons. Even if taking a number of conditions which may result in a biased estimate of the total number of the handicaps into consideration, the proportion of handicapped people in Korea has increased in the past two decade as the result of the rapid decline in fertility and childhood mortality, which consequently prolonged life expectancy of persons with congenital or acquired impediment. An increase in the proportion of handicapped people will eventually bring about serious problems of social welfare, medical care, and population qualities from various aspects including eugenics. To tackle the problem, there must be an increased emphasis on the prevention of handicaps from the government and private sector. Based on the amount and quality of data, and from the practical point of view, this study prepared a set of recommendations for the government to strengthen its programs of the preventive activities during the prenatal period and early childhood, early finding from routine examinations, and proper social and medical rehabilitation.

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Improved pregnancy rate and sex ratio in fresh/frozen in vivo derived embryo transfer of Hanwoo (Bos taurus coreanae) cows

  • Jihyun Park;Wonyou Lee;Islam M. Saadeldin;Seonggyu Bang;Sanghoon Lee;Junkoo Yi;Jongki Cho
    • Journal of Animal Science and Technology
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    • 제65권4호
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    • pp.779-791
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    • 2023
  • This study aimed to assess the effects of embryonic developmental stage, quality grade, and fresh or frozen/thawed conditions on the pregnancy rate and sex ratio of live offspring in Hanwoo (Bos taurus coreanae) cows. The quality and developmental stage of in vivo-derived (IVD) transferred embryos were evaluated using the standard criteria of the International Embryo Technology Society. The recipient cows were synchronized using conventional (estradiol benzoate and progesterone) protocols before embryo transfer. Embryos were transferred to 297 cows, and pregnancy was monitored for 60-70 days after embryo transfer. The pregnancy rates of fresh and frozen/thawed embryos were 56.90% and 52.49%, respectively. Pregnancy rates varied according to embryo quality (56.18% for grade 1 vs. 36.67% for grade 2). Pregnancy rates also varied by developmental stage and cryopreservation (67.86% vs. 63.49% for stage 4-1, 64.00% vs. 54.72% for 5-1, and 50.00% vs. 47.83% for 6-1, in fresh embryos vs. frozen/thawed embryos, respectively). For stage 7-1, the pregnancy rates were 72.73% for fresh embryos and 20.00% for frozen/thawed embryos. In 66 fresh embryos, the sex ratio of live offspring was 5:5, whereas it was 4(female):6(male) for frozen/thawed embryos among the 95 frozen/thawed embryos. The miscarriage rate was approximately 3% higher for frozen/thawed embryos than for fresh embryos (18.1% for fresh vs. 21.1% for frozen). Seasonal fertility rates were 33.3% in spring, 55.67% in summer, 52.8% in autumn, 60.0% in winter. The following male-to-female ratios were observed in different seasons: 6.7:3.3 in spring, 4.0:6.0 in summer, 5.5:4.5 in autumn, and 3.3:6.7 in winter. The current data revealed no significant differences in pregnancy rates between fresh and frozen/thawed IVD embryos. However, there was a lower pregnancy rate with advanced-stage frozen/thawed embryos (stage 7-1). The current study provides comprehensive results for the better optimization of embryo transfer in Hanwoo cattle to obtain the desired fertility rate, pregnancy rate, and sex ratio of calves. These results provide important insights into the factors that influence the viability and success of IVD embryo transfer in Hanwoo cows and may have practical applications for improving breeding programs and reducing production costs.