Journal of the Korea Academia-Industrial cooperation Society
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v.20
no.4
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pp.409-419
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2019
This study was conducted to synthesize sexual violence prevention programs by systematic review and to establish an effective program for its prevention. Existing studies of domestic sexual violence prevention programs were retrieved using RISS, KISS, and NDSL from 2000 until August 2018. Of 1125 studies identified, 22 met the inclusion criteria. Study participants were children to adults and students with disabilities. The methods of intervention varied according to the characteristics of the participants and included lectures, discussions, role plays, puppet shows, songs and campaigns. The contents of the intervention were related to the concepts of sexual violence, sexual violence coping, sexual harassment, and gender equality, while the main variables influencing the results of intervention were sexual knowledge, sexual attitude, sexual violence knowledge, sexual violence coping and gender equality consciousness. In most of the studies was effective. However, for some studies, sexual awareness and sexual attitude were not significant influencing factors. Future sexual violence prevention programs should include gender equality and bystander concepts, that can recognize social responsibility for sexual violence.
Purpose: Out-of-hospital traumatic cardiac arrest (TCA) often has a poor prognosis despite rescue efforts. Although the incidence and mortality of out-of-hospital cardiac arrest have increased, bystander cardiopulmonary resuscitation (CPR) has decreased in some countries during the COVID-19 pandemic. In the prehospital setting, immediate treatment of cardiac arrest is required without knowing the patient's COVID-19 status. Because COVID-19 is usually transmitted through the respiratory tract, airway management can put medical personnel at risk for infection. This study explored whether on-scene treatments involving CPR for TCA patients changed during the COVID-19 pandemic in Korea. Methods: This retrospective study used data from emergency medical services (EMS) run sheets in Gangwon Province from January 2019 to December 2021. Patients whose initial problem was cardiac arrest and who received CPR were included. Data in 2019 were classified as pre-COVID-19 and all subsequent data (from 2020 and 2021) as post-COVID-19. Age, sex, possible cause of cardiac arrest, and treatments including airway maneuvers, oropharyngeal airway (OPA) or i-gel insertion, endotracheal intubation (ETI), bag-valve mask (BVM) ventilation, intravenous (IV) line establishment, neck collar application, and wound dressing with hemostasis were investigated. Results: During the study period, 2,007 patients received CPR, of whom 596 patients had TCA and 367 had disease-origin cardiac arrest (DCA). Among the patients with TCA, 192 (32.2%) were pre-COVID-19 and 404 (67.8%) were post-COVID-19. In the TCA group, prehospital treatments did not decrease. The average frequencies were 59.7% for airway maneuvers, 47.5% for OPA, 57.4% for BVM, and 51.3% for neck collar application. The rates of ETI, i-gel insertion, and IV-line establishment increased. The treatment rate for TCA was significantly higher than that for DCA. Conclusions: Prehospital treatments by EMS workers for patients with TCA did not decrease during the COVID-19 pandemic. Instead, the rates of ETI, i-gel insertion, and IV-line establishment increased.
Kim, Gye-Su;Park, Kyung-Ho;Seal, Ja-Young;Yoo, Chul-Gyu;Lee, Choon-Taek;Kim, Young-Whan;Han, Sung-Koo;Shim, Young-Sao
Tuberculosis and Respiratory Diseases
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v.51
no.2
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pp.135-146
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2001
Background : One of the important mechanisms responsible for a tumor escaping the immune response is an absence of the tumor associated antigen (TAA) on the cancer cell surface. To overcome this, combination gene therapy using a herpes simplex thymidine kinase (HSTK) gene, prototype of drug sensitizing gene, was conducted to enhance T AA release by cell destruction, as well as the cytokine genes for immune cell attraction. Methods : We investigated whether or not transduction with the adenovirus-HSTK (Ad-HSTK) enhanced the sensitivity of Lewis lung carcinoma (LLC) to ganciclovir (GCV) and induced a bystander effect. A Tumor vaccine trial was performed using LLC with ad-HSTK$\pm$ad-GM-CSF$\pm$ad-IL-2 to determine if they exhibit some antitumor effect on established lung cancer xenografts. Results : LLC with ad-HSTK revealed a much higher sensitivity to ganciclovir (GCV). LLC transduced with ad-HSTK and/or ad-IL-2, ad-GM-CSF showed a lower in vivo tumorigenicity. In the treatment experiment, vaccination with LLC transduced with ad-HSTK, ad-IL-2, or ad-GM-CSF alone modestly suppressed the growth of an established tumor. Combined transduction with HSTK and GM-CSF induced stronger growth suppression of a established lung cancer, while HSTK and IL-2 combination transduction did not have any antitumor effect on individual transduction. Vaccination with LLC-HSTK-GM-CSF increased the infiltration of dendritic cells in the spleen. Conclusion : It was concluded that a tumor vaccine transduced with HSTK and GM-CSF induces strong antitumor immunity by activating the dendritic cells.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.2
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pp.560-569
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2016
Purpose The purpose of this study was not only to explore the factors associated with the survival of OHCA(Out-of-hospital Cardiac Arrest), but to provide ideas for improving the operation of emergency medical system in Korea. Method 90,734 OHCAs(Out-of-hospital Cardiac Arrest) with a cardiac etiology, who had been transported by 119 EMS ambulances for seven years from 2006 to 2012 in Korea, were analyzed. The data had a multilevel structure in that patient's survival in the same region is interrelated, so two-level (patient-region) logistic regression analysis was applied to adjust this correlation. Results The adjusted OR in group who were given CPR(Cardiopulmonary Resuscitation) by a bystander were 1.40 for survival to discharge. In addition, the adjusted OR in the group with an implementation of AED (automated external defibrillator) before arriving in hospital was 2.98 for survival to discharge. we categorized some continuous variables (number of emergency physician, OHCAs volume fo hospital, area deprivation level) into five quintiles. The adjusted OR in the number of emergency physician compared with Q1(lowest) was 1.29(Q2), 2.89(Q3), 3.39(Q4), 4.07(Q5), respectively. the adjusted OR in OHCAs volume of each hospital compared with Q1(lowest) was 2.06(Q2), 3.06(Q3), 3.46(Q4), 4.36(Q5), respectively. Lastly, the adjusted OR in deprivation level compared with Q1(least deprived area) was 0.72(Q4), 0.64(Q5) so that the adjusted OR of survival to discharge tended to decrease in more deprived districts. Conclusion The survival to discharge was better significantly in group given CPR by a bystander and with the implementation of AED before arriving in hospital. The survival to discharge tended to be significantly better in hospitals with a larger number of emergency physicians and higher volume of OHCAs in less deprived districts.
Tumor cells genetically engineered to secrete cytokines are effective in tumor therapy, but various unexpected side effects are observed, which may result from the bulk activation of various bystander cells. In this study, we tested tumor vaccines expressing various membrane-bound forms of IL-2 (mbIL-2) on MethA fibrosarcoma cells to focus antitumor immune responses to CTL. Chimeric forms of IL-2 with whole CD4, deletion forms of CD4, and TNF were expressed on the tumor cell surface, respectively. Tumor clones expressing mbIL-2 or secretory form of IL-2 were able to support the cell growth of CTLL-2, an IL-2-dependent T cell line, and the proliferation of spleen cells from 2C TCR transgenic mice that are responsive to the $p2Ca/L^d$ MHC class I complex. Expression of mbIL-2 on tumor cells reduced the tumorigenicity of tumor cells, and the mice that once rejected the live IL-2/TNF tumor clone acquired systemic immunity against wild-type MethA cells. The IL-2/TNF clone was inferior to other clones in tumor formation, and superior in the stimulation of the CD8+ T cell population in vitro. These results suggest that the IL-2/TNF clone is the best tumor vaccine, and may stimulate CD8+ T cells by direct priming. Expression of IL-2/TNF on tumor cells may serve as an effective gene therapy method to ameliorate the side effects encountered in the recombinant cytokine therapy and the conventional cytokine gene therapy using the secretory form of IL-2.
Journal of the Korea Academia-Industrial cooperation Society
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v.19
no.4
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pp.239-244
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2018
A 59-year-old man with no specific medical or family history complained of chest pain and became unconscious. A member of his family, who was a witness, called 119 and gave him dispatcher-assisted cardiopulmonary resuscitation, followed by defibrillation using an automated external defibrillator placed in his apartment. Afterward, he was given two sessions of defibrillation by the 119 emergency squad, then transferred to an emergency medical center with the return of spontaneous circulation. The patient was discharged with cerebral performance category (CPC) 1 15 days later. While dispatcher-assisted cardiopulmonary resuscitation and defibrillation is at its beginning stage in South Korea, this case seems to demonstrate its effectiveness. Moreover, this case suggests it can be particularly useful for helping untrained witnesses use an automated external defibrillator, which may have important implications in regions in which there are delayed responses of the 119 emergency squad to the site. It is also important to develop a plan for improving witness access to and quantitative supply of the South Korean public access defibrillation (PAD) program.
Oh, Jung-Min;Kim, Young-Eun;Hong, Beom-Ju;Bok, Seoyeon;Jeon, Seong-Uk;Lee, Chan-Ju;Park, Dong-Young;Kim, Il Han;Kim, Hak Jae;Ahn, G-One
Journal of Radiation Protection and Research
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v.43
no.2
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pp.66-74
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2018
Background: Tumor response to anticancer therapies can much be influenced by microenvironmental factors. In this study, we determined the effect of these microenvironmental factors on DNA methylation using A549 human lung adenocarcinoma cell line. Materials and Methods: We subjected A549 cells to various conditions mimicking tumor microenvironment including hypoxia, acidosis (sodium lactate), oxidative stress ($H_2O_2$), bystander effect (supernatant from doxorubicin (Dox)-treated or irradiated cells), and immune cell infiltration (supernatant from THP-1 or Jurkat T cells). Genomic DNA was isolated from these cells and analyzed for DNA methylation. Clonogenic cell survival, gene expression, and metabolism were analyzed in cells treated with some of these conditions. Results and Discussion: We found that DNA methylation level was significantly decreased in A549 cells treated with conditioned media from Dox-treated cells or Jurkat T cells, or sodium lactate, indicating an active transcription. To determine whether the decreased DNA methylation affects radiation sensitivity, we exposed cells to these conditions followed by 6 Gy irradiation and found that cell survival was significantly increased by sodium lactate while it was decreased by conditioned media from Dox-treated cells. We further observed that cells treated with conditioned media from Dox-treated cells exhibited significant changes in expression of genes including BAX and FAS (involved in apoptosis), NADPH dehydrogenase (mitochondria), EGFR (cellular survival) and RAD51 (DNA damage repair) while sodium lactate increased cellular metabolism rather than changing the gene expression. Conclusion: Our results suggest that various tumor microenvironmental factors can differentially influence DNA methylation and hence radiosensitivity and gene expression in A549 cancer cells.
Visitors to Naejangsan National Park were surveyed from October 31 to November 3 in 1995, 151 visitors were participated. Of those individuals, 55% were males. 48% of respondests reported that they had gone beyond high school, and over one-half(52%) had gone as far as college. 61.3% were 20 years of age. The largest percentage of respondents were reported that they visited Naejangsan Nat'l Park to see the scarlet maple leaces there. Most respondents who witness other visitors' littering were not likely to intervene to stop their visitors' depreciative behavior(Bystander intervention Begavior). Most of visitors got information for use Naejangsan Nat'l Park from a guide sign(31.8%) or guide themselves(29.1%). They didn't know the Clean-up Time Movement Program. But they understood it after notice hanging placards(81.6%). Most of visitors responded that didn't hear the mass communication program in National. But they recognized necessity of the mass communication program in National Park. The results showed that most visitors believed that Clean-up Time Movement was in succession consequently it turned out to be effective in managing visitors' littering behavior. And it seemed to effective in managing depreciative behavior through the mass communication program in National Park.
This study was to investigate the cardiopulmonary resuscitation (CPR) outcomes and the clinical characteristics of outof- hospital cardiac arrest (OHCA) by analyzing date in one region. A total 8 patients, survived over 72 hours after ROSC. The cardiac arrest were caused by unknown (5 cases), cardiac disease (3 cases). The most common place of cardiac arrest was in the home (6 cases), witnessed cardiac arrest (8 cases), cardiopulmonary resuscitation by bystander was performed (4 cases), agonal respiration (3 cases). The initial electrocardiogram (ECG) showed ventricular fibrillation (VF) in 7 cases, pulseless electrical activity (PEA) other rhythms in 1 cases. Average time from call to scene arrival 6.1 minutes, call to hospital arrival 23.0 minutes, duration of total CPR was 8.7 minutes. The certificate of them were level 1 emergency medical technician (EMT) 6 cases, level 2 EMT 3 cases, total 3 members 7 cases. To improve the rate of survival for out-ofhospital cardiac arrest victims, development of continuous CPR educational program for lay rescue.
By examining the constitutive characteristics of Yon-Ko-Jeon and analyzing the lived meanings and experiencing essence of students, this study details the students' awareness, responses, and strategies with regards to the phenomenon of women's alienation from Yon-Ko-Jeon. Students from the two colleges were divided into two groups- one which was aware of women's alienation from Yon-Ko-Jeon, and another group that was unaware of such a phenomenon. Students without awareness tended to perceive the alienation of women from Yon-Ko-Jeon as a natural phenomenon. On the other hand, the members who had awareness tended to see it as a phenomenon that was either justified, unequal, or in need of change. In the latter group, those who saw women's alienation as a justified phenomenon responded with tolerance and adopted a bystander strategy. Conversely, those who saw it as an unequal phenomenon responded with rejection and instead chose to adopt anti-/alternative Yon-Ko-Jeon strategies. The last group, which perceived women's alienation as a phenomenon in need of change, adopted correcting responses as well as intercollegiate solidarity and cooperation strategies. A generalization of the findings reveals that the students' experiencing essence of the phenomenon extends from critical thinking to awareness, response, and strategy in a step-by-step and sequential process. Through this study, it was found that the students' experiencing essence all follow a continuous thinking pattern, as illustrated in the diagram provided.
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