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iSCNT embryo culture system for restoration of Cervus nippon hortulorum, presumed to be sika deer in the Korean Peninsula. PLoS One 2024; 19:e0300754. [PMID: 38635543 PMCID: PMC11025863 DOI: 10.1371/journal.pone.0300754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 03/04/2024] [Indexed: 04/20/2024] Open
Abstract
Sika deer inhabiting South Korea became extinct when the last individual was captured on Jeju Island in Korea in 1920 owing to the Japanese seawater relief business, but it is believed that the same subspecies (Cervus nippon hortulorum) inhabits North Korea and the Russian Primorskaya state. In our study, mt-DNA was used to analyze the genetic resources of sika deer in the vicinity of the Korean Peninsula to restore the extinct species of continental deer on the Korean Peninsula. In addition, iSCNT was performed using cells to analyze the potential for restoration of extinct species. The somatic cells of sika deer came from tissues of individuals presumed to be Korean Peninsula sika deer inhabiting the neighboring areas of the Primorskaya state and North Korea. After sequencing 5 deer samples through mt-DNA isolation and PCR, BLAST analysis showed high matching rates for Cervus nippon hortulorum. This shows that the sika deer found near the Russian Primorsky Territory, inhabiting the region adjacent to the Korean Peninsula, can be classified as a subspecies of Cervus nippon hortulorum. The method for producing cloned embryos for species restoration confirmed that iSCNT-embryos developed smoothly when using porcine oocytes. In addition, the stimulation of endometrial cells and progesterone in the IVC system expanded the blastocyst cavity and enabled stable development of energy metabolism and morphological changes in the blastocyst. Our results confirmed that the individual presumed to be a continental deer in the Korean Peninsula had the same genotype as Cervus nippon hortulorum, and securing the individual's cell-line could restore the species through replication and produce a stable iSCNT embryo.
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Mid-Term Strategic Plan for the Public Health and Medical Care Cooperation in the Korean Peninsula. J Korean Med Sci 2024; 39:e39. [PMID: 38288540 PMCID: PMC10825449 DOI: 10.3346/jkms.2024.39.e39] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 12/28/2023] [Indexed: 02/01/2024] Open
Abstract
As extensive as the concept of and the resources required for 'Health for Korean Unification' are, and due to the limited access to information on the state of health and medical care in North Korea, discussion on 'Health for Korean Unification' has tended to be intermittent and lacked concrete action plans. In this article, we specifically distinguished areas of cooperation and selected five executable agenda that meet the goals of international development cooperation: 1) Health security; 2) Easing the burden of major diseases; 3) Resilient healthcare system; 4) R&D cooperation; 5) Sustainable cooperation system. Then we provided corresponding strategic priorities and operative directions, in consideration of future military and political sanctions against North Korea. The strategies we outline are sustainable, preemptive for problems that might affect lives of South and North Korean citizens, and satisfy the unmet needs of the North Korean health system. Throughout the process, we utilized a special platform, the 'Korean Peninsula Healthcare Cooperation Platform,' designed to enable continual communication across sectors engaged in public health and medical care. By doing so, we take the first step to actually carry out the 'Health for Korean Unification,' which tended to have remained on the discussion agenda.
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North Korea's COVID-19 policy dilemma: epidemic prevention conflicting with trade. Global Health 2024; 20:8. [PMID: 38229142 DOI: 10.1186/s12992-023-01013-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 12/27/2023] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND Amidst the COVID-19 pandemic, striking a delicate balance between sustaining economic activity and safeguarding public health has become a crucial concern. The border closures for COVID-19 prevention have further intensified concerns for North Korea, which conducts over 90% of its trade with China and Russia, countries sharing its borders. METHODS This study aims to scrutinize North Korea's response to these competing imperatives by examining the impact of border closures on the country's trade dynamics with China and Russia. This study employed the difference-in-difference (DID) method to analyze transformations in North Korea's economic activity before and after the border closures, utilizing trade data and nighttime satellite imagery captured in 2019 and 2020. RESULTS The results reveal that North Korea actively reoriented its trade priorities towards Russia and accorded precedence to its epidemic prevention system over its economy during the pandemic. A noticeable increase in imports of food and pharmaceuticals was observed, indicating a significant rise in the inflow of these essential commodities. CONCLUSION The findings of this study suggest that during the early stages of the COVID-19 pandemic, North Korea placed significant policy emphasis on preserving public health. However, due to economic hardships and food shortages, if the pandemic persists in the long term, it indicates the possibility of partial or complete lifting of border closures to mitigate these challenges.
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Recycling law for promotion of circular economy and its characteristics in the Democratic People's Republic of Korea. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:1654-1663. [PMID: 38051482 DOI: 10.1007/s11356-023-30795-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 10/27/2023] [Indexed: 12/07/2023]
Abstract
The circular economy is emerging as an economic form to solve economic, environmental, and social problems around the world. In this regard, various countries and regions of the world are making every effort to establish and implement circular economy strategies and action plans. This paper discusses the Recycling Law adopted in the Democratic People's Republic of Korea and its characteristics. To this end, this paper examines the cases of legalization in various countries and regions around the world related to the circular economy and recycling and explains the contents and characteristics of the Recycling Law in the Democratic People's Republic of Korea concerning it. The findings are that (a) the more science and technology develop and the more complete the economic structure becomes, the more complete the legal environment related to the circular economy should become and (b) if the transition to the circular economy is to be implemented with strong obligations, the planning lever must be regulated as a legal obligation, and the state needs to use the planning lever to thoroughly implement circular economy-related goals and strategies. These findings can be used as a reference to prepare a legal environment for promoting the circular economy in countries pursuing the realization of a circular economy in a top-down way, and it will also help fill the gap in research on the legal environment for promoting the circular economy.
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Metatranscriptomics Reveals the RNA Virome of Ixodes Persulcatus in the China-North Korea Border, 2017. Viruses 2023; 16:62. [PMID: 38257762 PMCID: PMC10819109 DOI: 10.3390/v16010062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/19/2023] [Accepted: 12/27/2023] [Indexed: 01/24/2024] Open
Abstract
In recent years, numerous viruses have been identified from ticks, and some have been linked to clinical cases of emerging tick-borne diseases. Chinese northeast frontier is tick infested. However, there is a notable lack of systematic monitoring efforts to assess the viral composition in the area, leaving the ecological landscape of viruses carried by ticks not clear enough. Between April and June 2017, 7101 ticks were collected to perform virus surveillance on the China-North Korea border, specifically in Tonghua, Baishan, and Yanbian. A total of 2127 Ixodes persulcatus were identified. Further investigation revealed the diversity of tick-borne viruses by transcriptome sequencing of Ixodes persulcatus. All ticks tested negative for tick-borne encephalitis virus. Transcriptome sequencing expanded 121 genomic sequence data of 12 different virus species from Ixodes persulcatus. Notably, a new segmented flavivirus, named Baishan Forest Tick Virus, were identified, closely related to Alongshan virus and Harz mountain virus. Therefore, this new virus may pose a potential threat to humans. Furthermore, the study revealed the existence of seven emerging tick-borne viruses dating back to 2017. These previously identified viruses included Mudanjiang phlebovirus, Onega tick phlebovirus, Sara tick phlebovirus, Yichun mivirus, and three unnamed viruses (one belonging to the Peribunyaviridae family and the other two belonging to the Phenuiviridae family). The existence of these emerging tick-borne viruses in tick samples collected in 2017 suggests that their history may extend further than previously recognized. This study provides invaluable insights into the virome of Ixodes persulcatus in the China-North Korea border region, enhancing our ongoing efforts to manage the risks associated with tick-borne viruses.
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The moderating role of neighborhood social cohesion in the mediation effects of the loneliness between acculturation stress and post-traumatic growth among female North Korean defectors. Sci Rep 2023; 13:16965. [PMID: 37806980 PMCID: PMC10560661 DOI: 10.1038/s41598-023-43741-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 09/27/2023] [Indexed: 10/10/2023] Open
Abstract
Loneliness negatively predicts post-traumatic growth (PTG) among North Korean defectors (NKD), one of the representative groups of refugees. Additionally, evidence also suggests that females, who account for 70% of NKDs entering South Korea, are vulnerable not only to past trauma but also to the current acculturation stress and loneliness affected by neighborhood social cohesion. This study explores whether the mediating effect of loneliness on the relationship between acculturation stress and PTG was moderated by the neighborhood social cohesion among female NKDs. In this study, the data of 166 female NKDs who completed an online survey regarding acculturation stress, PTG, loneliness, and neighborhood social cohesion were used. Moderated mediation analysis was conducted using SPSS PROCESS macro program. Loneliness was associated with PTG (B = - 1.896, p < 0.001), and mediated the association between acculturation stress and PTG (indirect effect = - 0.278, 95% LLCI - 0.403, 95% ULCI - 0.166). Neighborhood social cohesion moderated the mediation effect of loneliness on the association between acculturation stress and PTG (B = - 0.016, 95% LLCI 0.001, 95% ULCI 0.035). The indirect effect of acculturation stress on PTG through loneliness was notably high for those with low neighborhood social cohesion. Therefore, increasing neighborhood social cohesion would reduce loneliness caused by acculturation stress and support the positive growth among female NKDs. This represents the most effective approach to aiding female NKDs in achieving growth, even after suffering trauma.
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Relations of Vocabulary and Cognitive Skills With Reading Performance of North Korean Students in South Korean Schools. JOURNAL OF PSYCHOLINGUISTIC RESEARCH 2023; 52:241-259. [PMID: 35316444 DOI: 10.1007/s10936-022-09855-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
We examined if North (n = 123) and South Korean (n = 123) children in Grades 3 to 8 studying in South Korea differ in their reading, vocabulary, and literacy-related cognitive skills, and whether language and literacy-related skills contribute to reading outcomes differently among North and South Korean children. The results showed that South Korean students performed better in syllable deletion, RAN-Letters, vocabulary, decoding fluency, and reading comprehension after controlling for age and SES. No differences were observed in phonological awareness, RAN-Digits, and visual processing tasks. A multigroup path analysis showed that phonological awareness and vocabulary were more strongly associated with decoding fluency for the South than the North Korean students, whereas the opposite was true for visual processing. The results suggest that South Korean vocabulary knowledge may be a significant factor in addressing the academic difficulties facing North Korean children in South Korean schools and that it is important to consider linguistic characteristics when examining the variations in reading skills and vocabulary knowledge of North Korean students in South Korean schools. These findings have implications for North Korean children's literacy instruction in South Korean schools.
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Assessment of air quality in North Korea from satellite observations. ENVIRONMENT INTERNATIONAL 2023; 171:107708. [PMID: 36571994 DOI: 10.1016/j.envint.2022.107708] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/25/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
North Korea's air quality is poorly understood due to a lack of reliable data. Here, we analyzed urban- to national-scale air quality changes in North Korea using multi-year satellite observations. Pyongyang, Nampo, Pukchang, and Munchon were identified as pollution hotspots. On a national scale, we found that North Korea experienced 6.7, 17.8, and 20.6 times greater amounts of nitrogen dioxide (NO2), sulfur dioxide (SO2), and carbon monoxide (CO) per unit primary energy supply (PES) than South Korea from 2005 to 2018. Besides, North Korea had a 24.3 times larger aerosol optical depth (AOD) per PES than South Korea from 2011 to 2018. Severe CO and aerosol pollution is aligned with extensive biofuel combustion. High SO2 pollution corresponds with the strong coal dependence of the industry. The change rates of the national average columns for NO2, SO2, and CO were + 3.6, -4.4, and -0.4 % yr-1, respectively. The AOD change rate was -4.8 % yr-1. Overall decreasing trends, except for NO2, are likely due to a decline in coal-fired PES. Positive NO2 trends are consistent with increasing industrial activities. Each pollutant showed consistent patterns of linear trends, even after correcting the influence of transboundary pollution. Flue gas control and biofuel consumption reduction seem necessary to improve North Korea's air quality.
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Spatial and temporal differences of Chinese tourists' travel demands to North Korea. PLoS One 2022; 17:e0272731. [PMID: 36190938 PMCID: PMC9529137 DOI: 10.1371/journal.pone.0272731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 07/26/2022] [Indexed: 11/05/2022] Open
Abstract
Border tourism plays an important and positive role in international economic and cultural cooperation, and the tourism cooperation relationship between China and North Korea has lasted for more than 30 years. China has become the country with the largest number of tourists to North Korea. However, because the relevant data of tourism to North Korea are not public, it also brings difficulties to the further study. This paper based on the Baidu Index of 31 provinces and regions in China and discusses the temporal and spatial distribution characteristics and influencing factors of travel demands to North Korea. The findings from the research are as follows. First, the travel demands from 2011 to 2018 showed an overall trend of initial increase followed by later decrease. The seasonal difference is significant. The peak season is longer than the off-season. Secondly, on the whole, the travel demands to North Korea showed a spatial agglomeration effect, and the provinces with high demands or low demands gather significantly in space. Taking “Hu line” as the boundary, the east is higher than the west. The hot spot areas and cold spot areas gradually transition from east to west. Thirdly, holidays, population, GDP, per capita disposable income, Internet penetration and education are the main influencing factors of tourism demand to North Korea. By using Baidu Index, this paper overcomes the bottleneck of inaccessible tourism data to North Korea. At the same time, from the perspective of tourist source countries, this paper discusses the spatial-temporal differentiation and influencing factors of travel demands in terms of geographical space, and compares it with existing studies, expanding the research framework of China’s outbound tourism.
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Polyvictimization Risk Among North Korean Refugee Women in South Korea. JOURNAL OF INTERPERSONAL VIOLENCE 2022; 37:NP13518-NP13532. [PMID: 33834909 DOI: 10.1177/08862605211005146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
North Korean (NK) refugee women living in South Korea are known to be vulnerable to interpersonal violence, but little is known about the possible link between or co-occurrence of acts of sexual violence (SV) and intimate partner violence (IPV) perpetrated against NK refugee women. This study examined the prevalence of polyvictimization and explored the association between SV in different settings (i.e., North Korea, intermediate countries, and South Korea) and various types of IPV. A convenience sample of 140 adult NK refugee women was analyzed, and logistic regression analyses were conducted to examine the link between SV and polyvictimization in IPV. NK refugee women with a history of SV reported a significantly higher rate of IPV over the previous 12 months (51.2%) compared to those without a history of SV (20.4%). NK refugee women with a history of SV are significantly more likely to become victims of most forms of IPV. SV victimization in intermediate countries significantly increased the odds of being physically victimized by their male partners in South Korea (OR = 3.31, p =.05). An SV victimization history in North Korea (OR = 4.50, p =.04) and SV victimization experienced outside their intimate relationship in South Korea significantly increased the odds of sexual IPV from their current intimate partner (OR = 4.74, p =.03). This study showed that victims of human trafficking and sexual assault during their journey to South Korea were at a greater risk of IPV in South Korea. Male partners of NK refugee women with a history of SV may shame and physically sanction NK refugee women for "breaching honor." Therefore, screening for potential risk of physical and sexual IPV among NK refugee women with a prior exposure to SV is needed to develop programs in safety planning for NK refugee women experiencing SV and IPV.
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'I worked until my body was broken': an ethnomedical model of chronic pain among North Korean refugee women. ETHNICITY & HEALTH 2022; 27:1188-1206. [PMID: 33190516 DOI: 10.1080/13557858.2020.1841886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/20/2020] [Indexed: 06/11/2023]
Abstract
OBJECTIVES While increasing numbers of North Korean refugees (NKRs) are migrating to South Korea, different understandings of physical pain between NKR patients and the South Korean healthcare providers may create miscommunication and less satisfaction with their care management. To identify strategies to improve care, this study elicits and presents an ethnomedical model of chronic pain among NKR women. DESIGN Twenty semi-structured individual interviews were conducted with NKR women with chronic pain living in South Korea. Inductive and deductive thematic analysis was performed on three types of data: interview transcripts, field notes created after each interview, and memos written during the analysis. RESULTS Participants reported that pain started after a certain period of resettlement and expressed frustration when there was no definite diagnosis for pain. They identified physical factors (e.g. excessive labor, exposure to violence, and poor diet) as the primary causes, while psychological factors (e.g. loneliness, rumination, and financial burden of sending remittances to North Korea) were viewed as collateral or contributing causes. Several participants indicated emotional discomfort when they were referred to psychiatrists for unceasing pain. Physical treatment (injections, medications, or acupuncture) and providers' sincere attitudes were expectations of care considered capable of addressing both physical and emotional distress. CONCLUSIONS Findings highlight the need to understand NKR women's ethnomedical model of chronic pain, which is distinct from illness model of healthcare providers. These preliminary findings could be used to improve care strategies based on NKRs' care needs.
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Covid-19: North Korean leader blames his party's incompetence after 393 000 cases of fever reported in a day. BMJ 2022; 377:o1228. [PMID: 35580881 DOI: 10.1136/bmj.o1228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Fear of Crime among Female North Korean Defectors in South Korea. INTERNATIONAL JOURNAL OF OFFENDER THERAPY AND COMPARATIVE CRIMINOLOGY 2022; 66:227-248. [PMID: 33533270 DOI: 10.1177/0306624x21992362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Although some studies have focused on immigrants' fear of crime in the United States, it is important to point out that the number of North Korean defectors to South Korea has rapidly increased since the 1990s. Therefore, understanding factors associated with fear of crime for North Korean immigrants, especially female defectors, is important for ensuring their successful transitions into South Korean culture. The present study used existing survey data from a sample of female North Korean defectors to explore factors related to fear of crime. Results indicate that the number of North Korean friends, language proficiency, and patriarchal attitudes toward gender were significant predictors of fear of crime for the North Korean female defectors. Findings are described and discussed as a potential source for policymaking to reduce North Korean immigrants' acculturative stress and fear of crime and to encourage smooth transitions into new cultures.
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Predicting rice yield at pixel scale through synthetic use of crop and deep learning models with satellite data in South and North Korea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 802:149726. [PMID: 34464811 DOI: 10.1016/j.scitotenv.2021.149726] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 08/11/2021] [Accepted: 08/13/2021] [Indexed: 06/13/2023]
Abstract
Prediction of rice yields at pixel scale rather than county scale can benefit crop management and scientific understanding because it is useful for monitoring how crop yields respond to various agricultural systems and environmental factors. In this study, we propose a methodology for the early prediction of rice yield at pixel scale combining a crop model and a deep learning model for different agricultural systems throughout South and North Korea. Initially, satellite-integrated crop models were applied to obtain a pixel-scale reference rice yield. Then, the pixel-scale reference rice yields were used as target labels in the deep learning model to leverage the advantages of crop models. Models of five different deep learning network architectures were employed to help determine the hybrid structure of long-short term memory (LSTM) and one-dimensional convolutional neural network (1D-CNN) layers by predicting the optimal model about two months ahead of harvest time. The suggested model showed good performance [R2 = 0.859, Nash-Sutcliffe model efficiency = 0.858, root mean squared error = 0.605 Mg ha-1], with specific spatial patterns of rice yields for South and North Korea. Analysis of the relative importance of the input variables showed the water-related index and maximum temperature in North Korea and the vegetation indices and geographic variables in South Korea to be crucial for predicting rice yields. The proposed approach successfully predicted and diagnosed rice yield at the pixel scale for inaccessible locations where reliable ground measurements are not available, especially North Korea.
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Optimal layout of tourist toilets using resilience theory: An empirical study on Dunhua City in ethnic region of China. PLoS One 2021; 16:e0251696. [PMID: 34014969 PMCID: PMC8136704 DOI: 10.1371/journal.pone.0251696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 05/02/2021] [Indexed: 11/18/2022] Open
Abstract
The provision of adequate and equitable sanitation services is one of the world's urgent challenges. Optimizing the layout of tourist toilets is key to both meeting the sanitation demand of the visiting public and building an inclusive and civilised society. Nevertheless, the need for a consistent optimization of tourist toilets is overlooked in developing countries, especially in ethnic regions that are highly dependent on tourism. Taking Dunhua, a city in an ethnic region renowned for tourism on China's border with North Korea as an example, this study enables an optimization framework of a comprehensive tourist toilet layout based on Holling's concept of resilience by constructing an AHP index, obtaining Point of Interest (POI) data through Python, and aided by GIS visual analysis and Location-allocation (LA) modelling, aiming to support scientific planning and decision making of public facilities in tourist destinations like Dunhua. It also serves as a reference for places of tourism in other countries dedicated to promoting ecotourism and public health.
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Characteristics and Distribution of Surgical Diseases in North Korean Research Papers Published between 2006 and 2017. J Korean Med Sci 2021; 36:e25. [PMID: 33783143 PMCID: PMC8007416 DOI: 10.3346/jkms.2021.36.e25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 11/11/2020] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Little is known about the surgical discipline in North Korea from the perspective of the outside world. This study aimed to examine the disease entities covered by articles published in the major medical journal in North Korea, "Surgery." METHODS Content and frequency analyses of 2,132 articles published in "Surgery" from 2006 to 2017 were conducted. Two medical doctors who majored in surgery and anesthesiology perused the articles and compiled the diseases being elucidated in each article. The diseases described in each article were stratified into 13 surgical subspecialties. RESULTS Articles from "Surgery," similar to articles from the Western surgical community, also covered a wide variety of surgical diseases from different subspecialties, and the number of publications continued to grow consistently. Moreover, a number of studies focused on the fields of orthopedics and general surgery dealing with benign diseases. Some articles focused on minimally invasive surgeries using laparoscopy. CONCLUSION The studies published in the North Korean journal "Surgery" encompass various clinical areas, but their quality is unclear.
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Double burden of malnutrition and obesity in children and adolescents from North Korean refugee families. PLoS One 2020; 15:e0241963. [PMID: 33156888 PMCID: PMC7647068 DOI: 10.1371/journal.pone.0241963] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/26/2020] [Indexed: 11/18/2022] Open
Abstract
This study assessed the nutritional status of children and adolescents from North Korean refugee (NKR) families who have settled and are living in South Korea (SK). Among the 547 individuals who participated in the study, 526 were ultimately included after excluding 21 with missing height or weight data. Their nutritional status was estimated using the 2017 Korean National Growth Charts for children and adolescents. Stunting, underweight, wasting, and obesity were defined as a height-for-age z-score < −2.0, weight-for-age z-score < −2.0, weight-for-height z-score < −2.0, and body mass index z-score > 2.0, respectively. The overall prevalence of stunting, underweight, wasting, and obesity was 7.0%, 6.8%, 5.3%, and 9.1%, respectively. Meanwhile, the prevalence of stunting, underweight, wasting, and obesity was 5.4%, 7.0%, 7.6%, and 10.3% for individuals settled in SK for <5 years and 6.1%, 6.1%, 0.0%, and 13.3% for those living in SK for ≥5 years, respectively. Therefore, children and adolescents from NKR families experience the double burden of malnutrition and obesity.
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Establishment and Operation of Wartime Health Care System in North Korea during the Korean War and Support from the Korean Society in Yanbian. UI SAHAK 2020; 29:503-535. [PMID: 32937641 PMCID: PMC10565052 DOI: 10.13081/kjmh.2020.29.503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/22/2020] [Accepted: 07/28/2020] [Indexed: 06/11/2023]
Abstract
North Korea's health care system during the Korean War has a significant meaning in North Korean medical history and is also an appropriate research topic for understanding North Korea's wartime system. However, previous studies on North Korean medical history has been focused on before and after the war. This study traces the formation and operation of North Korea's wartime health system to fill the gap in the literature, aiming to identify that the support of the North Korean community in China's Yanbian community was key to North Korea's wartime health system. North Korea reorganized its health care system, centered on the military, such as establishing field hospitals concurrently with the outbreak of the war. However, as time went on, the North Korean health care project began to put an emphasis on protecting the lives and health of the civilians behind the frontline. In addition to the primary need to prevent infectious diseases, the hygiene and prevention project functioned as a means to control and mobilize the public by emphasizing broad public participation. Although North Korea tried to meet the demand for a large medical personnel through short-term training, medical personnel were always in short supply during the war. During the war, it was the Korean society in Yanbian that replenished medical personnel in North Korea and provided a space for a relatively stable hospital operation. Numerous Koreans in Yanbian participated in the Korean War as nurses, paramedic staff, transfusion donors, and army surgeons for North Korea. Such large-scale participation of medical personnel in Yanbian was based on the long-established medical exchanges between Yanbian and North Korea. Koreans in Yanbian also accommodated North Korean wounded, refugees, and war orphans and provided various medical assistance to them. During the war, Yanbian was a "secure rear" capable of performing medical actions that could not be done in North Korea. This study has confirmed that North Korea's current participation in public health projects, which is a characteristic of its health care sector, has its origins in the Korean War. Moreover, it demonstrates that North Korea's medical history needs to be viewed from an East Asian perspective, including the Korean society in Yanbian, rather than a national-only perspective. The application of this view to the analysis of North Korean's health care system in other historical periods would facilitate richer discussions.
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Prevalence of osteoporosis among North Korean women refugees living in South Korea: a comparative cross-sectional study. BMJ Open 2020; 10:e036230. [PMID: 32532773 PMCID: PMC7295412 DOI: 10.1136/bmjopen-2019-036230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 02/16/2020] [Accepted: 05/05/2020] [Indexed: 01/23/2023] Open
Abstract
OBJECTIVE To investigate the prevalence of osteoporosis among North Korean women refugees when compared with South Korean women, who have identical genetic backgrounds but experience different environments. DESIGN Comparative cross-sectional study. SETTING North Korean Refugee Health in South Korea (NORNS) study in South Korea. PARTICIPANTS We evaluated 122 North Korean women who participated in NORNS study and 366 age-matched/menopausal status-matched South Korean women from the Korea University Medical Center (KUMC) health examination cohort. The median age of the NORNS participants was 46 years (IQR, 40-60 years) with 52 women (42.6%) being postmenopausal. RESULTS Among the postmenopausal women, NORNS participants had a higher body mass index and number of pregnancies and lower physical activity than the KUMC participants. The overall prevalence of osteoporosis was 48% (25/52) and 17% (27/156) in NORNS and KUMC participants, respectively. The bone mineral density (BMD) values at the lumbar spine, femur neck and total hip were significantly lower in postmenopausal NORNS women than in the postmenopausal KUMC women. Old age, low body weight and late age of menarche were associated with low BMD among the postmenopausal North Korean refugees. In premenopausal participants, the NORNS women had lower body weight and physical activity than the KUMC women at baseline. All the NORNS women had normal Z-scores, although the BMD at the lumbar spine was significantly lower in NORNS women than in the KUMC women (0.952 vs 1.002 g/cm2, p<0.001). CONCLUSIONS Osteoporosis is a prevalent health problem in postmenopausal North Korean women refugees living in South Korea. It is conceivable to prepare vigilant countermeasures for bone health deterioration in this growing population, especially for postmenopausal women. Further research is warranted to determine the cause of the differences between participants of the same ethnic group.
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Rare observation of atmospheric 65Zn, 134Cs and 137Cs with possible relation to the 12 February 2013 test announced by North Korea. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2020; 217:106220. [PMID: 32217252 DOI: 10.1016/j.jenvrad.2020.106220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 02/24/2020] [Accepted: 02/24/2020] [Indexed: 06/10/2023]
Abstract
Abnormal particulate radionuclides (65Zn, 134Cs and 137Cs) were detected at the CTBTO RN58 station which is located near North Korea between 12 and March 14, 2016. Detection ratio for caesium (134Cs/137Cs) shows that the product origin was nuclear explosion and dilution factors at RN58, released from DPRK test site, show clear correlation with radioactivity concentration of two samples. The detected radionuclides may be originated from the third nuclear test, February 2013. Half-life, radionuclides fractionation, MDC, and device design are attributed to no detection of other nuclides. Most of radionuclides have been decayed away and relatively long half-life nuclides might be in the third test site but they were displaced deep inside the area by fractionation during the explosion. Considering 65Zn activity ratio to 137Cs which is higher than historical ratios at Brunswick in 1968, there is a possibility that the third DPRK nuclear test was a "salted" nuclear bomb test using zinc as jacket instead of fissionable 238U around the secondary stage fusion fuel.
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Supercritical CO 2 Extraction and Identification of Ginsenosides in Russian and North Korean Ginseng by HPLC with Tandem Mass Spectrometry. Molecules 2020; 25:molecules25061407. [PMID: 32204525 PMCID: PMC7144364 DOI: 10.3390/molecules25061407] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/16/2020] [Accepted: 03/17/2020] [Indexed: 12/19/2022] Open
Abstract
Ginseng roots, Panax ginseng C.A. Meyer, obtained from cultivated ginseng grown in the Kaesong province (North Korea) and Primorye (Russia) were extracted using the supercritical CO2 extraction method. The extracts were subsequently analyzed by high-performance liquid chromatography with tandem mass spectrometry identification. The results showed the spectral peaks of typical ginsenosides with some other minor groups, and major differences were observed between the spectra of the two ginseng samples. The use of a pressure of 400 bar and higher allowed an increase in the yield of ginsenosides in comparison with similar previous studies
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Decoupling of forest water supply and agricultural water demand attributable to deforestation in North Korea. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 248:109256. [PMID: 31336341 DOI: 10.1016/j.jenvman.2019.07.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 07/07/2019] [Accepted: 07/08/2019] [Indexed: 06/10/2023]
Abstract
This study focused on changes in water balance attributable to severe deforestation in North Korea. The forest water supply and agricultural water demand of North Korea were quantified to identify their decoupling over the past three decades. Forest water supply and agricultural water demand before and after deforestation were estimated using the InVEST-WY (Integrated Valuation of Ecosystem Services and Trade-offs - Water Yield) and EPIC (Environmental Policy Integrated Climate) models, respectively. Analysis of land cover change before and after deforestation showed that area under forests decreased by 25%, whereas that under cropland increased by 63%, and that the conversion from forest to cropland was the largest for the study period. As a result, agricultural water demand increased and forest water supply decreased, significantly. Analysis of the net impact of deforestation on water budgets using recent climate and two land covers showed that forest water supply decreased by 43% and agricultural water demand increased by 62%. An assessment of the water balance at the watershed level showed that the Taedong, Ryesong, and Tumen Rivers suffered the largest negative change in terms of the large gross impact of deforestation on water resources. The water balance of the entire North Korea has declined by 51% and this is attributable to deforestation. In contrast, South Korea has experienced success in national-scale afforestation in recent decades, and North Korea can emulate this. The restoration of forests in North Korea promises more than environmental benefits; it will provide a new growth engine for the prosperity of the Korean Peninsula as a whole.
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To Eradicate Malaria on the Korean Peninsula, Accurate Democratic People's Republic of Korea Malaria Statistics Are Needed. J Korean Med Sci 2019; 34:e249. [PMID: 31538421 PMCID: PMC6753367 DOI: 10.3346/jkms.2019.34.e249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 09/06/2019] [Indexed: 11/20/2022] Open
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Abstract
OBJECTIVES Previous studies have shown that symptoms of sleep-disordered breathing are associated with metabolic derangements and vascular disease development. However, the relationship between snoring and renal function is not well investigated. The association between snoring and the development of incident chronic kidney disease (CKD) in subjects with normal renal function was evaluated. DESIGN Prospective cohort study. SETTING Ansung (rural community) and Ansan (urban community) cities. PARTICIPANTS Community-based cohort participants aged 40-69 years. METHODS A total of 9062 participants in the Ansung-Ansan cohort study were prospectively followed up from 2001 to 2014. The participants were classified into three groups: non-snorer, <1 day/week and ≥1 day/week. The main outcome was incident CKD, which was defined as an estimated glomerular filtration rate of <60 mL/min/1.73 m2 during the follow-up period. PRIMARY OUTCOME Incident CKD. RESULTS The mean subject age was 52.0±8.9 years, and 4372 (48.2%) subjects were male. The non-snorer,<1 day/week and ≥1 day/week groups included 3493 (38.5%), 3749 (41.4%), and 1820 (20.1%) subjects, respectively. Metabolic syndrome was more prevalent in the snoring groups than in the non-snoring group. Snoring frequency showed a significant positive relationship with age, waist:hip ratio, fasting glucose, total cholesterol (Tchol) and low-density lipoprotein cholesterol. During a mean follow-up of 8.9 years, 764 (8.4%) subjects developed CKD. Cox proportional hazards model analysis revealed that the risk of CKD development was significantly higher in subjects who snored ≥1 day/week than in non-snorers, even after adjustments for confounding factors (HR 1.23, 95% CI 1.09 to 1.38, p<0.01). CONCLUSION Snoring may increase the risk of CKD development in subjects with normal renal function.
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North Korea "on the verge of a food crisis". Lancet 2019; 394:372. [PMID: 31379325 DOI: 10.1016/s0140-6736(19)31765-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Changes in medical research trends of North Korea after economic sanctions: A PRISMA-compliant systematic literature review of North Korean medical journals. Medicine (Baltimore) 2019; 98:e16500. [PMID: 31335718 PMCID: PMC6709283 DOI: 10.1097/md.0000000000016500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND In the 1980s, North Korea established a socialist health care system. However, following the food crisis and the economic sanctions, it is estimated that North Korea's health care system has experienced continuous deterioration. Thus, in the present study, we estimated the current medical research trends of North Korea through an analysis of the medical journal Korean Medicine, published in North Korea. METHODS We analyzed the studies in Korean Medicine, which is the only North Korean medical journal accessible to foreigners with more than 30 years of data available, based on PRISMA guidelines. We analyzed the issues of the journal published for a total of 7 years, from 1985 onwards at 5-year intervals until 2015. To evaluate changes in the North Korean medical research trends, we compared and analyzed the issues published before and after the implementation of economic sanctions against North Korea. RESULTS In this study, we analyzed 775 articles of Korean Medicine. Following economic sanctions, the number of publications on approved services (conventional therapy and diagnosis)-related articles was decreased. In contrast, the articles related to non-conventional therapy increased sharply in number. This showed a similar pattern to North Korean medical research trends seen during the food crisis of 1995 to 1997. CONCLUSIONS After placement of economic sanctions on North Korea, North Korean medical research trends changed significantly. These could be indirectly estimated results suggesting that recently, the North Korean health care system had deteriorated, similarly to in the food crisis of 1995 to 1997.
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Drivers of health transition in the DPRK. Lancet Planet Health 2019; 3:e118-e119. [PMID: 30904107 DOI: 10.1016/s2542-5196(19)30013-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 01/11/2019] [Indexed: 06/09/2023]
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Analysis of forty years long changes in coastal land use and land cover of the Yellow Sea: The gains or losses in ecosystem services. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 241:74-84. [PMID: 29803027 DOI: 10.1016/j.envpol.2018.05.058] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 05/04/2018] [Accepted: 05/17/2018] [Indexed: 06/08/2023]
Abstract
The drastic land cover change and its impacts in the Yellow Sea have long been significant issues in terms of coastal vulnerabilities, but holistic data analysis is limited. The present study first reports 40 years long geographical changes of the Yellow Sea coasts including all three neighboring countries of China, North Korea, and South Korea. We delineated tidal flats by analysis of Landsat series satellite imageries (662 scenes) between 1981 and 2016. A total area of the Yellow Sea tidal flats has been considerably reducing for the past 36 years, from ∼10,500 km2 (1980s) to ∼6700 km2 (2010s), say ∼1% annual loss. A majority loss of tidal flats was mainly due to the grand reclamations that conducted in almost entire coast of the Yellow Sea, particularly concentrated in the 1990s-2000s. Coastal reclaimed area during the past four decades reached ∼9700 km2, including ongoing and planned projects, which corresponds to over half the area of precedent natural tidal flats of the Yellow Sea. The potential carbon stocks in the eight representative regions with large scale reclamation indicated significant loss in carbon sink capacity in the South Korea's coast (∼99%), while evidenced a lesser loss from the China's coast (∼31%). It was noteworthy that the progradation of tidal flats after the reclamation in China's coast significantly reduced the loss of carbon sequestration. According to the ecosystem services valuation for the Yellow Sea, a total loss was estimated as ∼8 billion USD yr-1 with relatively high proportional loss (up to 25%) of climate regulating services (viz., carbon sequestration). Overall, huge losses in ecosystem services being provided by the Yellow Sea natural tidal flats need immediate action to prevent or at least alleviate accelerating ecological deteriorations. Finally, future conservative policy direction on coastal wetlands management has been proposed towards enhancement of marine ecosystem services.
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Evaluation of CDOM sources and their links with antibiotics in the rivers dividing China and North Korea using fluorescence spectroscopy. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:27545-27560. [PMID: 30054834 DOI: 10.1007/s11356-018-2773-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Accepted: 07/16/2018] [Indexed: 06/08/2023]
Abstract
Rivers act as carriers where active cycling of chromophoric dissolved organic matter (CDOM) affected by anthropogenic activities and land cover variation may occur. Little is known about the optical properties of CDOM in relation to antibiotics; these properties could provide valuable insights into CDOM transformation processes and biogeochemical reactivity. The spatial distribution of CDOM absorption, fluorescence intensities of CDOM components, and correlations between fluorescence indices (FI370, humification index (HIX)) and biological index (BIX)) with water quality and antibiotics were investigated in three rivers, namely, two rivers (Yalu River and Tumen River) dividing China and North Korea, and the Songhua River. Four humic-like components (C1 and C3-5), and one tryptophan-like component (C2), were identified via fluorescence excitation-emission matrices-parallel factor analysis (EEM-PARAFAC). The correlation between Fmax for five EEM-PARAFAC extracted CDOM components, C1-C5, FI370, HIX, BIX, and water quality parameters, and four antibiotics (i.e., Norfloxacin, Enrofloxacin, Sulfamethoxazole and Metronidazole), were determined through a redundancy analysis (RDA), with species-environment correlations of 0.887 and 0.833, respectively. The results showed that spatial variation in land cover, pollution sources, and terrestrial contribution in water quality affected Fmax for the fluorescent components C1-C5 and the fluorescence indices, indicating a high diverse chemical composition and transformation history. The Fmax for terrestrial humic-like components, C4 and C5, showed spatial variation depending on land cover and anthropogenic impacts. Further correlation and regression analyses indicated that CDOM soil fulvic-like component C5 correlated with Sulfamethoxazole and Metronidazole (t test, p < 0.01). Our results indicate that the spatial distributions of Fmax for CDOM fluorescent terrestrial components, evaluated by EEM-PARAFAC, have potential implications for the monitoring of Sulfamethoxazole and Metronidazole in surface waters. Further, these findings can be used to understand the biogeochemical cycling of CDOM and its effects on antibiotics pollution in the environment.
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Abstract
The aim of our work was to analyze the bibliographical characteristics of 9 North Korean medical journals and articles. All journals show only ten pieces of information, such as publication dates and table of contents, and do not provide submission guidelines and journal policy. Most of the journals were published four times a year. Editorials often share government policy. Research articles are very short and compressed. The journals often publish articles on oriental medicine and medical information useful to the public. In conclusion, the journals were published in their own unique style and format, which are far from the global standard.
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Correlates of Domestic Violence Victimization Among North Korean Refugee Women in South Korea. JOURNAL OF INTERPERSONAL VIOLENCE 2018; 33:2037-2058. [PMID: 26739240 DOI: 10.1177/0886260515622297] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Although many North Korean (NK) refugee women are victims of domestic violence (DV) in North Korea, face sexual exploitation during migration, and remain at risk of DV while adapting to life in South Korea, there is no empirical evidence about risk factors for DV in this population. To fill this gap, this study examined whether gender role beliefs, child abuse history, and sociocultural adaptation were associated with past-year physical, emotional, sexual, and economic abuse, and whether they were associated with multiple forms of abuse. We also explored whether these associations were similar or different across different types of DV among NK refugee women. A sample of 180 ever-married NK refugee women in South Korea from the 2010 National Survey on Family Violence was used for analysis. Physical abuse was associated with more traditional gender role beliefs; emotional abuse and multiple forms of abuse were associated with lower levels of sociocultural adaptation; and sexual and economic abuse were associated with an increased likelihood of childhood abuse and poor sociocultural adaptation. Our study findings underscore the importance of assisting NK refugee women to be better adapted to the new culture in a practical way, because better sociocultural adaptation might protect them from experiencing various types of abuse. At the same time, findings of this study highlight the need for empowering NK refugee women who report physical abuse by educating their rights and altering their traditional beliefs of gender roles, and screening of childhood abuse and providing culturally sensitive psychotherapy to those who report sexual or economic abuse. Moreover, we suggest future studies to examine correlates of different forms of abuse separately because they can inform culturally tailored interventions for abused NK refugee women. To prevent further victimization, educational programs should be provided to NK refugee women at an early stage of resettlement in South Korea.
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Prevalence of General and Central Obesity and Associated Factors among North Korean Refugees in South Korea by Duration after Defection from North Korea: A Cross-Sectional Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:E811. [PMID: 29677154 PMCID: PMC5923853 DOI: 10.3390/ijerph15040811] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 04/13/2018] [Accepted: 04/18/2018] [Indexed: 01/03/2023]
Abstract
Previous studies on obesity status among North Korean refugees (NKRs) have been limited. We investigated mean body mass index (BMI), waist circumference (WC), and general and central obesity prevalence among NKRs in South Korea (SK) by duration after defection from North Korea (NK), using cross-sectional data of the North Korean Refugee Health in South Korea (NORNS) study and compared these data with a sample from the general South Korean population (the fifth Korea National Health and Nutrition Examination Survey). The prevalence of general and central obesity among NKRs with duration after defection from NK of less than five years were lower than among South Koreans, except for central obesity among NKR females (obesity prevalence, 19% (12⁻27%) vs. 39% (34⁻44%) for NK vs. SK males (p < 0.001) and 19% (14⁻24%) vs. 27% (24⁻29%) for NK vs. SK females (p = 0.076); central obesity prevalence, 13% (6⁻19%) vs. 24% (20⁻29%) for NK vs. SK males (p = 0.011) and 22% (17⁻28%) vs. 20% (18⁻22%) for NK vs. SK females (p = 0.382)). The prevalence of general and central obesity among NKRs with duration after defection from NK (≥10 years) were comparable to those of South Koreans in both genders (obesity prevalence, 34% (18⁻50%) vs. 39% (34⁻44%) for NK vs. SK males (p = 0.690) and 23% (18⁻29%) vs. 27% (24⁻29%) for NK vs. SK females (0.794); central obesity prevalence, 21% (7⁻34%) vs. 24% (20⁻29%) for NK vs. SK males (p = 0.642); 22% (17⁻28%) vs. 20% (18⁻22%) for NK vs. SK females (p = 0.382)). Male sex, age and longer duration after defection from NK (≥10 years) were positively associated with obesity. As for central obesity, age was the only independently associated factor. NKR females with duration after defection from NK of less than five years had comparable central obesity prevalence to South Korean females in spite of a lower BMI, which suggests that we need further monitoring for their metabolic health among NKRs in SK.
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Association between Parents' Country of Birth and Adolescent Depressive Symptoms: the Early Stages of Multicultural Society. J Korean Med Sci 2018; 33:e116. [PMID: 29629519 PMCID: PMC5890085 DOI: 10.3346/jkms.2018.33.e116] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 02/26/2018] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND This study aims to determine whether significant associations exist between the parents' country of birth and adolescent depressive symptoms in the early stages of a multicultural society. METHODS We used data from the 2012-2016 Korea Youth Risk Behavior Web-based Survey, which included responses from 327,357 individuals. Participants were classified into groups according to their parent's country of birth. Logistic regression analysis was used to examine the significance of the associations. RESULTS Adolescents whose parents were born abroad are more likely to have depressive symptoms (odds ratio [OR] = 1.68; 95% confidence interval [CI], 1.33-2.12) than adolescents whose parents were native Koreans. Respondents whose father was born in North Korea or Japan or Taiwan show greater odds of depressive symptoms than respondents whose parents were native Korean. CONCLUSION Adolescents whose parents were born abroad are more likely to have depressive symptoms. Multicultural family support policies should be implemented in consideration of the characteristics of the parents' country of birth.
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Trauma and Depression among North Korean Refugees: The Mediating Effect of Negative Cognition. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15040591. [PMID: 29587408 PMCID: PMC5923633 DOI: 10.3390/ijerph15040591] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 03/16/2018] [Accepted: 03/19/2018] [Indexed: 12/03/2022]
Abstract
North Korean refugees experience adaptation difficulties, along with a wide range of psychological problems. Accordingly, this study examined the associations between early traumatic experiences, negative automatic thoughts, and depression among young North Korean refugees living in South Korea. Specifically, we examined how different factors of negative automatic thoughts would mediate the relationship between early trauma and depressive symptoms. A total of 109 North Korean refugees aged 13–29 years were recruited from two alternative schools. Our path analysis indicated that early trauma was positively linked with thoughts of personal failure, physical threat, and hostility, but not with thoughts of social threat. The link with depressive symptoms was only significant for thoughts of personal failure. After removing all non-significant pathways, the model revealed that early traumatic experiences were positively associated with depressive symptoms (ß = 0.61, 95% CI = 0.48–0.73) via thoughts of personal failure (ß = 0.17, 95% CI = 0.08–0.28), as well as directly (ß = 0.44, 95% CI = 0.27–0.59). Interventions that target negative cognitions of personal failure may be helpful for North Korean refugees at risk of depression.
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Discrepancies in general surgery medical terminology between South and North Korea. KOREAN JOURNAL OF MEDICAL EDUCATION 2018; 30:51-56. [PMID: 29510608 PMCID: PMC5840564 DOI: 10.3946/kjme.2018.81] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 11/08/2017] [Accepted: 12/05/2017] [Indexed: 06/08/2023]
Abstract
PURPOSE The purpose of this study was to categorize surgery-related medical terminologies used in South and North Korea and to compare and analyze discrepancies observed in the terms. METHODS This study collected medical terminology used in the North Korean medical book "Surgery" and compared it to medical terminology found in the medical glossary of South Korea. The order of the subtitle was described according to the Instruction to Authors. RESULTS In total, there were 2,168 individual medical terms, of which only 1,004 words (46.3%) were identical to South Korean medical terms. There were 581 similar terms (26.8%), 265 different terms (12.2%), and 318 terms that are nonexistent in South Korea (14.7%). CONCLUSION Less than half of the medical terms used in North Korea match those used in South Korea. It is expected that the prolongation of the current division of South and North Korea will only worsen this discrepancy. Further efforts to bridge the gap through academic exchange between South Korea and North Korea are required in preparation for an era of reunification.
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Investigation of drought-vulnerable regions in North Korea using remote sensing and cloud computing climate data. ENVIRONMENTAL MONITORING AND ASSESSMENT 2018; 190:126. [PMID: 29423574 DOI: 10.1007/s10661-018-6466-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 01/02/2018] [Indexed: 06/08/2023]
Abstract
Drought is one of the most severe natural disasters in the world and leads to serious challenges that affect both the natural environment and human societies. North Korea (NK) has frequently suffered from severe and prolonged droughts since the second half of the twentieth century. These droughts affect the growing conditions of agricultural crops, which have led to food shortages in NK. However, it is not easy to obtain ground data because NK is one of the most closed-off societies in the world. In this situation, remote sensing (RS) techniques and cloud computing climate data (CCCD) can be used for drought monitoring in NK. RS-derived drought indices and CCCD were used to determine the drought-vulnerable regions in the spring season in NK. After the results were compared and discussed, the following conclusions were derived: (1) 10.0% of the total area of NK is estimated to be a drought-vulnerable region. The most susceptible regions to drought appear in the eastern and western coastal regions, far from BaekDu-DaeGan (BDDG), while fewer drought regions are found near BDDG and the Nahngrim Mountains. The drought-vulnerable regions are the coastal regions of South Hamgyong Province, North Hamgyong Province, South Pyongan Province, and South Hwanghae Province. The latter region is the food basket of NK. (2) In terms of land cover, the drought-vulnerable regions mainly consisted of croplands and mixed forest.
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The Formation of the Military Medical System of the Korean People's Army and the Military Medical Officer. UI SAHAK 2017; 26:379-416. [PMID: 29311532 PMCID: PMC10565023 DOI: 10.13081/kjmh.2017.26.379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 10/17/2017] [Accepted: 11/29/2017] [Indexed: 06/07/2023]
Abstract
The military medical system of the Korean People's Army (KPA) first appeared in August 1946 when a central military hospita was established at the headquarters. Inside the KPA, the military medical and veteran services were first established in February 1948. The military medical officers of the KPA were those who were initially engaged in North Korea's health care sector. Most of the early military medical officers were those who had been trained in the Japanese medical system before liberation and were surgeons. After the establishment of the government in September 1948, Lee Dongwha rapidly introduced the medical system of the Soviet army into the KPA. The KPA military medical system was a mix of Soviet, Japanese and Chinese military medical systems. The medical section of the KPA was similar to that of the Japanese army, and the medical section of the lower army was similar to that of the Soviet army. The stretcher platoon of the KPA were similar to those of the Japanese and Chinese armies. The KPA mainly used Japanese medical equipment at the beginning, and after the establishment of the North Korean regime in September 1948, they were gradually replaced with Soviet products. The military medical office of the KPA were equipped with treatment rooms, laboratories, hospitals, pharmacy, and inpatient rooms. The military medical office purchased medical journals and specimens for medical research and set up a separate research fund. In addition, the military medical office was equipped with a laboratory for medical experiments and raised laboratory animals. The KPA military medical system was specialized in the fields of infectious disease prevention and preventive medicine. At the time, infectious disease in North Korea was mainly caused by bacteria and viruses in unsanitary living environments. The KPA set up a special anti-infectious disease department in consideration of the soldiers living in the collective facilities. The second characteristic of the KPA military medical system is preventive medicine. Since early 1946, North Korea has been interested in preventive medicine and has established various medical facilities and personnel. In line with this history of preventive medicine, the preventive department was installed in the KPA military medical system.
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Improved performance comparisons of radioxenon systems for low level releases in nuclear explosion monitoring. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2017; 178-179:127-135. [PMID: 28818645 DOI: 10.1016/j.jenvrad.2017.08.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 08/02/2017] [Accepted: 08/09/2017] [Indexed: 06/07/2023]
Abstract
The Comprehensive Nuclear-Test-Ban Treaty bans all nuclear tests and mandates development of verification measures to detect treaty violations. One verification measure is detection of radioactive xenon isotopes produced in the fission of actinides. The International Monitoring System (IMS) currently deploys automated radioxenon systems that can detect four radioxenon isotopes. Radioxenon systems with lower detection limits are currently in development. Historically, the sensitivity of radioxenon systems was measured by the minimum detectable concentration for each isotope. In this paper we analyze the response of radioxenon systems using rigorous metrics in conjunction with hypothetical representative releases indicative of an underground nuclear explosion instead of using only minimum detectable concentrations. Our analyses incorporate the impact of potential spectral interferences on detection limits and the importance of measuring isotopic ratios of the relevant radioxenon isotopes in order to improve discrimination from background sources particularly for low-level releases. To provide a sufficient data set for analysis, hypothetical representative releases are simulated every day from the same location for an entire year. The performance of three types of samplers are evaluated assuming they are located at 15 IMS radionuclide stations in the region of the release point. The performance of two IMS-deployed samplers and a next-generation system is compared with proposed metrics for detection and discrimination using representative releases from the nuclear test site used by the Democratic People's Republic of Korea.
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Nuclear war and public health: rebalancing priorities and global health leadership. Lancet 2017; 390:1733-1734. [PMID: 29047438 DOI: 10.1016/s0140-6736(17)32605-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 09/28/2017] [Indexed: 11/22/2022]
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Characterizing the detectability of emission signals from a North Korean nuclear detonation. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2017; 169-170:214-220. [PMID: 28157641 DOI: 10.1016/j.jenvrad.2016.12.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 12/10/2016] [Accepted: 12/11/2016] [Indexed: 06/06/2023]
Abstract
The detectability of emission sources, defined by a low-level of mixing with other sources, was estimated for various locations surrounding the Sea of Japan, including a site within North Korea. A high-resolution meteorological model coupled to a dispersion model was used to simulate plume dynamics for four periods, and two metrics of airborne plume mixing were calculated for each source. While emissions from several known sources in this area tended to blend with others while dispersing downwind, the North Korean plume often remained relatively distinct, thereby making it potentially easier to unambiguously 'backtrack' it to its source.
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Investigating flood susceptible areas in inaccessible regions using remote sensing and geographic information systems. ENVIRONMENTAL MONITORING AND ASSESSMENT 2017; 189:96. [PMID: 28161882 DOI: 10.1007/s10661-017-5811-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 01/26/2017] [Indexed: 06/06/2023]
Abstract
Every summer, North Korea (NK) suffers from floods, resulting in decreased agricultural production and huge economic loss. Besides meteorological reasons, several factors can accelerate flood damage. Environmental studies about NK are difficult because NK is inaccessible due to the division of Korea. Remote sensing (RS) can be used to delineate flood inundated areas in inaccessible regions such as NK. The objective of this study was to investigate the spatial characteristics of flood susceptible areas (FSAs) using multi-temporal RS data and digital elevation model data. Such study will provide basic information to restore FSAs after reunification. Defining FSAs at the study site revealed that rice paddies with low elevation and low slope were the most susceptible areas to flood in NK. Numerous sediments from upper streams, especially streams through crop field areas on steeply sloped hills, might have been transported and deposited into stream channels, thus disturbing water flow. In conclusion, NK floods may have occurred not only due to meteorological factors but also due to inappropriate land use for flood management. In order to mitigate NK flood damage, reforestation is needed for terraced crop fields. In addition, drainage capacity for middle stream channel near rice paddies should be improved.
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The biological standard of living in pre-modern Korea: Determinants of height of militia recruits during the Chosŏn dynasty. ECONOMICS AND HUMAN BIOLOGY 2017; 24:104-110. [PMID: 27940369 DOI: 10.1016/j.ehb.2016.11.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Revised: 11/30/2016] [Accepted: 11/30/2016] [Indexed: 06/06/2023]
Abstract
This paper extends the research on the biological standard of living in the Korean peninsula back to pre-modern times. Drawing on militia rosters of the Chosŏn Dynasty from the sixteenth to eighteenth centuries, we tentatively conclude that the final height of Korean men during this period was 166cm and thus slightly above that of modern North Korean men (165cm). On the other hand, the average height of modern South Korean men is 172cm, 6cm more than what we tentatively estimate for pre-modern Korean men. Regression analysis of the height of pre-modern Korean men finds that un-free Koreans ("slaves") were significantly shorter by about 0.6-0.7cm than commoners, whereas the average height of recruits suffering from smallpox did not differ significantly from that of other recruits. Moreover, regional, as opposed to birth-dummy, variables account, and to a significant degree, for most of the differences in height. Whether or not this is a result of socioeconomic differences across provinces or a result of other regionally-varying factors remains an open question.
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Shipboard and ground measurements of atmospheric particulate mercury and total mercury in precipitation over the Yellow Sea region. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 219:262-274. [PMID: 27814543 DOI: 10.1016/j.envpol.2016.10.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 09/15/2016] [Accepted: 10/07/2016] [Indexed: 06/06/2023]
Abstract
The first ever shipboard measurements for atmospheric particulate mercury (Hg(p)) over the Yellow Sea and ground measurements for atmospheric Hg(p) and total mercury (THg) in precipitation at the remote sites (Deokjeok and Chengshantou) and the urban sites (Seoul and Ningbo) surrounding the Yellow Sea were carried out during 2007-2008. The Hg(p) regional background concentration of 56.3 ± 55.6 pg m-3 over the Yellow Sea region is much higher than the typical background concentrations of Hg(p) in terrestrial environments (<25 pg m-3) which implies significant impact of anthropogenic mercury emission sources from East Asia. The episodes of highly elevated Hg(p) concentrations at the Korean remote site were influenced through long-range transport from source regions in the Liaoning Province - one of China's most mercury-polluted regions and in the western region of North Korea. Interestingly, wet scavenging of atmospheric Hg(p) is the predominant mechanism regulating concentration of THg in precipitation at the Chinese sites; whereas, wet scavenging of gaseous oxidized mercury (GOM) might play the more important role than that of Hg(p) at the Korean sites. The highest annual wet and dry deposition fluxes of Hg were found at the Ningbo site. The comparison between wet and dry deposition fluxes suggested that dry deposition might play the more important role than wet deposition in Chinese urban areas (source regions); whereas, wet deposition is more important in Korean areas (downwind regions).
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North Korean refugee doctors' preliminary examination scores. KOREAN JOURNAL OF MEDICAL EDUCATION 2016; 28:373-380. [PMID: 27907983 PMCID: PMC5138572 DOI: 10.3946/kjme.2016.42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2016] [Revised: 07/22/2016] [Accepted: 08/08/2016] [Indexed: 06/06/2023]
Abstract
PURPOSE Although there have been studies emphasizing the re-education of North Korean (NK) doctors for post-unification of the Korean Peninsula, study on the content and scope of such re-education has yet to be conducted. Researchers intended to set the content and scope of re-education by a comparative analysis for the scores of the preliminary examination, which is comparable to the Korean Medical Licensing Examination (KMLE). METHODS The scores of the first and second preliminary exams were analyzed by subject using the Wilcoxon signed rank test. The passing status of the group of NK doctors for KMLE in recent 3 years were investigated. The multiple-choice-question (MCQ) items of which difficulty indexes of NK doctors were lower than those of South Korean (SK) medical students by two times of the standard deviation of the scores of SK medical students were selected to investigate the relevant reasons. RESULTS The average scores of nearly all subjects were improved in the second exam compared with the first exam. The passing rate of the group of NK doctors was 75%. The number of MCQ items of which difficulty indexes of NK doctors were lower than those of SK medical students was 51 (6.38%). NK doctors' lack of understandings for Diagnostic Techniques and Procedures, Therapeutics, Prenatal Care, and Managed Care Programs was suggested as the possible reason. CONCLUSION The education of integrated courses focusing on Diagnostic Techniques and Procedures and Therapeutics, and apprenticeship-style training for clinical practice of core subjects are needed. Special lectures on the Preventive Medicine are likely to be required also.
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Evidence for partial melt in the crust beneath Mt. Paektu (Changbaishan), Democratic People's Republic of Korea and China. SCIENCE ADVANCES 2016; 2:e1501513. [PMID: 27152343 PMCID: PMC4846464 DOI: 10.1126/sciadv.1501513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Accepted: 03/18/2016] [Indexed: 06/05/2023]
Abstract
Mt. Paektu (also known as Changbaishan) is an enigmatic volcano on the border between the Democratic People's Republic of Korea (DPRK) and China. Despite being responsible for one of the largest eruptions in history, comparatively little is known about its magmatic evolution, geochronology, or underlying structure. We present receiver function results from an unprecedented seismic deployment in the DPRK. These are the first estimates of the crustal structure on the DPRK side of the volcano and, indeed, for anywhere beneath the DPRK. The crust 60 km from the volcano has a thickness of 35 km and a bulk V P/V S of 1.76, similar to that of the Sino-Korean craton. The V P/V S ratio increases ~20 km from the volcano, rising to >1.87 directly beneath the volcano. This shows that a large region of the crust has been modified by magmatism associated with the volcanism. Such high values of V P/V S suggest that partial melt is present in the crust beneath Mt. Paektu. This region of melt represents a potential source for magmas erupted in the last few thousand years and may be associated with an episode of volcanic unrest observed between 2002 and 2005.
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[The War on "Red Drugs": Anticommunism and Drug Policy in Republic of Korea, 1945-1960]. UI SAHAK 2016; 25:77-110. [PMID: 27301856 PMCID: PMC10565043 DOI: 10.13081/kjmh.2016.25.77] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 02/20/2016] [Accepted: 03/23/2016] [Indexed: 06/06/2023]
Abstract
This paper investigates the discourses and policies on narcotics in Republic of Korea from 1945 to 1960. Since the Liberation the narcotic problem was regarded as the vestige of Japanese imperialism. which was expected to be cleaned up. The image of narcotic crimes as the legacy of the colonial past was turned into as the result of the Red Army's tactics to attack on the liberalist camp around the Korean war. The government of ROK represented the source of the illegal drugs as the Red army and the spy from North Korea. The anticommunist discourse about narcotics described the spies, who introduced the enormous amount of poppies into ROK and brought about the addicts, as the social evil. Through this discourse on poppies from North Korea, the government of ROK emphasized the immorality of the communists reinforcing the anticommunist regime, which was inevitable for the government of ROK to legitimize the division of Korea and the establishment of the government alone. This paper examines how the discourses and policies on narcotics in ROK was shaped and transformed from 1945 to 1960 focusing the relationship between the them and the political context such as anticommunism, Korean war, the division of Korea, and etc. This approach would be helpful to reveal the effect of the ROK's own political situation to the public health system involving the management for drugs.
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Posttraumatic Stress Disorder as a Mediator Between Trauma Exposure and Comorbid Mental Health Conditions in North Korean Refugee Youth Resettled in South Korea. JOURNAL OF INTERPERSONAL VIOLENCE 2016; 31:425-443. [PMID: 25381279 DOI: 10.1177/0886260514555864] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A structural equation model was used to investigate the relationship between trauma exposure and comorbid mental health problems and the mediation effect of posttraumatic stress disorder (PTSD) between trauma and mental health variables. The research model is based on the stress-vulnerability conceptual framework in which PTSD as a comorbid disorder mediates the relationship between trauma exposure and mental health problems. A self-administered survey was administered to 144 North Korean refugee youth residing in South Korea. Trauma exposure, both interpersonal and noninterpersonal, had no direct relationship with comorbid mental health problems. However, interpersonal trauma contributed to comorbid mental health problems through PTSD, demonstrating the mediation effect of PTSD and supporting the stress-vulnerability hypothesis of the current research model. Clinical implications of the study and future direction for research are discussed.
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Effects of nursing process-based simulation for maternal child emergency nursing care on knowledge, attitude, and skills in clinical nurses. NURSE EDUCATION TODAY 2016; 37:59-65. [PMID: 26655857 DOI: 10.1016/j.nedt.2015.11.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 11/03/2015] [Accepted: 11/14/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND Since previous studies on simulation-based education have been focused on fundamental nursing skills for nursing students in South Korea, there is little research available that focuses on clinical nurses in simulation-based training. Further, there is a paucity of research literature related to the integration of the nursing process into simulation training particularly in the emergency nursing care of high-risk maternal and neonatal patients. PURPOSES The purpose of this study was to identify the effects of nursing process-based simulation on knowledge, attitudes, and skills for maternal and child emergency nursing care in clinical nurses in South Korea. PARTICIPANTS Data were collected from 49 nurses, 25 in the experimental group and 24 in the control group, from August 13 to 14, 2013. METHODS This study was an equivalent control group pre- and post-test experimental design to compare the differences in knowledge, attitudes, and skills for maternal and child emergency nursing care between the experimental group and the control group. The experimental group was trained by the nursing process-based simulation training program, while the control group received traditional methods of training for maternal and child emergency nursing care. RESULTS The experimental group was more likely to improve knowledge, attitudes, and skills required for clinical judgment about maternal and child emergency nursing care than the control group. Among five stages of nursing process in simulation, the experimental group was more likely to improve clinical skills required for nursing diagnosis and nursing evaluation than the control group. CONCLUSION These results will provide valuable information on developing nursing process-based simulation training to improve clinical competency in nurses. Further research should be conducted to verify the effectiveness of nursing process-based simulation with more diverse nurse groups on more diverse subjects in the future.
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