• Title/Summary/Keyword: preliminary study

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Preliminary Results of Concurrent Radiation Therapy and Chemotherapy in Locally Advanced Cervical Carcinoma (국소적으로 진행된 자궁 경부암에서 방사선과 항암화학요법 병행치료의 예비적 결과)

  • Yang KM;Ahn SD;Choi EK;Chang HS;Kim YT;Nam JH;Mok JE
    • Radiation Oncology Journal
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    • v.11 no.2
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    • pp.355-361
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    • 1993
  • Since May 1991, authors have conducted a pilot study to determine the feasibility and evaluate the effect of concurrent radiation therapy and chemotherapy with 5-FU and Cis-platinum for locally advanced cervical cancer (stage IIB-IVA). Radiation therapy consisted of external irradiation to whole pelvis (4140 cGy/23 fx) in 4.5 weeks followed by high dose rate intracavitary radiation therapy (HDR ICRT) to deliver a dose of 30 to 35 Gy to A point in 6 to 7 fractions. After the intracavitary radiation therapy, parametrial boost was delivered for B point dose of 60 Gy in Stage IIB and 65 Gy in stage IIIB. 5-FU (1000 $mg/m^2/24hr$ for 96 hour iv infusion) and Cis-platinum (20 $mg/m^2/day$ IV bolus for 3 days) were given during the second week of external RT and the second course chemotherapy administered at the first HDR ICRT with the same method as the first chemotherapy. Sixteen patients (10 stage IIB,4 stage IIIB,2 stage IVA) were registered to this protocol. Among these 16 patients, two refused treatment after 2 fractions of external irradiation, and one could not continue intracavitary irradiation because of treatment related genitourinary toxicity. So 14 patients were evaluated for toxicity and 13 patients were evaluated for response analysis. Five of 14 patients developed grade 3 gastrointestinal toxicity but 4 of them recovered at the completion of treatment. One stage IIIB patient with inguinal lymph node metastasis who received higher dose of radiation in spite of initial poor performance status did not recover from gastrointestinal toxicity at the completion of treatment. And she died of distant metastasis at one month after the completion of treatment. Two of 14 evaluable patients showed weight loss, more than $10\%$ of initial weight. One patient developed grade 3 leukopenia. In this study, the average total treatment period of completely treated patients was 75 days and three of them took more than 80 days (84, 84, 89 days). Toxicities were generally acceptable and there were no treatment related death. At the last follow-up, complete response was achieved in $62\%(8/13)$ and especially of nine patients with stage IIB, eight patients showed complete response. This study suggests that concurrent radiation therapy and chemotherapy (5-FU and Cis-platinum) is tolerable and effective. Further follow-up is needed to determine whether this protocol will have a favorable impact on survival and to evaluate the late effect on normal tissues. In future, prospective randomized trials are needed to compare the standard radiation therapy alone with concurrent chemotherapy and radiation therapy for locally advanced cervical carcinoma.

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Clinical Manifestations in Orofacial Movement Disorders (구강안면 운동장애의 임상적 증상 발현)

  • Ryu, Ji-Won;Yoon, Chang-Lyuk;Cho, Young-Gon;Ahn, Jong-Mo
    • Journal of Oral Medicine and Pain
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    • v.33 no.4
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    • pp.375-382
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    • 2008
  • This study was a preliminary study to establish diagnostic criterias and treatment for Orofacial Movement Disorders. The 33 Orofacial Movement Disorder patients who were visited in the department of Oral Medicine from September, 2007 to December, 2007 were selected for this study. We analyzed the age, sex, systemic diseases, the diagnosis and the cause of the patients' chief complaints, the self-consciousness and the types of orofacial movements. The obtained results were as follows : 1. Female were predominant in orofacial movement disorders(81.82% vs 18.18%) and mean age was 78.78(56 to 87) years. 2. They almost had systemic diseases(81.82%). Hypertenstion was the most common disease(22.41%) and diabetes mellitus(17.24%), depression(8.62%), gastritis(8.62%) in turns. 3. In clinical manifestation, temporomandibular disorder was the most frequently complained symptom(33.33%), and soft tissue disease(21.57%), burning mouth syndrome(17.65%), orofacial movement itself(15.69%), diffuse orofacial pain(6명, 11.76%) in turns. 4. Most orofacial movement disorders are idiopathic(72.73%), and related to prosthetic treatment(24.24%), related to antidepressant medication(3.03%) in turns. 5. The jaw-closing type was the most common type of orofacial movement disorders, and lateral type(33.33%), jaw-opening types(16.67%) in turns. 6. There were more patients who did not conscious of their orofacial movements than those who did.(54.55% vs 45.45%). In conclusion, dentists must be consider the orofacial movement disorders in patients who have orofacial pain. Also, dentists should obtain a proper history and perform a clinical examination to avoid misdiagnosis and inappropriate, irreversible treatment.

Comparative Study on the Sawdust Cultivation and the Antioxidants of Hericium spp. (노루궁뎅이버섯류의 톱밥재배와 항산화물질 비교 연구)

  • Ryu, Sung-Ryul;Lee, Wi-Young;Ka, Kang-Hyeon
    • The Korean Journal of Mycology
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    • v.37 no.1
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    • pp.80-85
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    • 2009
  • As a preliminary study in order to develop new varieties of Hericium species, this study was carried out to investigate the optimal temperature for mycelial growth, to figure out the applicability to sawdust cultivation on Quercus mongolica substrate, and to analyze the antioxidant capacity of ergothioneine and polyphenols in Hericium strains preserved in Korea Forest Research Institute (KFRI). In the results of optimal temperature for mycelial growth of eight Hericium erinaceus, it was $20^{\circ}C$ in a strain (KFRI 842), $25^{\circ}C$ in five strains (KFRI 507, 508, 509, 843, 845), and $30^{\circ}C$ in two strains (KFRI 582, 844). Optimal temperature for mycelial growth of H. coralloides (KFRI 713) was $25^{\circ}C$. Four strains (KFRI 508, 843, 844, 713) out of the total nine Hericium strains showed full mycelium growth within 20 days at the optimal temperature on PDA medium in petri-dish (85 mm in diameter). The other strains have need of more time for full mycelium growth. Mushroom production of H. erinaceus ranged from 215 to 384 g of fresh weight and its dry weight was 7 to 9% of it, whereas that of H. coralloides was 299 g of fresh weight and its dry weight was 10% of it. The contents of ergothioneine and polyphenols of H. erinaceus strains were different by strains and those were in the range of $1.6{\sim}3.7$ mg/g dw. and $5.9{\sim}7.8$ mg/g dw., respectively. On the other hand, those of H. coraloides were in the range of 1.7 mg/g dw. and 3.9 mg/g dw., respectively. From the results of correlation ($R^2$ = 0.1) between ergothioneine and polyphenols in the strains, it was found that the total contents of them differ by strains but the ratio of the two compounds was not very different in the strains.

A Survey on Treatment of Breast Cancer Patients with Korean Medicine: Preliminary Research for Clinical Practice Guidelines (한의표준임상진료지침 개발을 위한 유방암 보완치료 실태조사)

  • Kim, Nam-Hoon;Kang, Na-Hoon;Yoo, Eun-Sil;Park, Nam-Chun;Lee, Jin-Wook;Park, Kyoung-Sun;Lee, Jin-Moo;Lee, Chang-Hoon;Jang, Jun-Bock;Jang, Bo-Hyoung;Hwang, Deok-Sang
    • The Journal of Korean Obstetrics and Gynecology
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    • v.31 no.4
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    • pp.165-178
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    • 2018
  • Objectives: To determine the current status of the treatment of breast cancer patients by Korean Medicine doctors (KMDs) and to examine the need for clinical practice guidelines (CPGs) for the supportive care of these patients. Methods: This cross-sectional study used a self-administered questionnaire. Participants were asked about their experience in treating breast cancer patients; the number of breast cancer patients they currently treat; the main complaints expressed by, diagnoses of, and treatments used for such patients; and their opinions about Korean Medicine (KM) as the basis for providing supportive care for breast cancer. Results: The data for this study were collected from 322 respondents. 84 of whom reported having ever treated patients with breast cancer. Most breast cancer patients who visited the KM clinic were classified as stage I or II, and their major complaints were fatigue, general weakness and musculoskeletal pain. The major diagnostic strategies were syndrome differentiation and pulse diagnosis. The major treatments administered were herbal medicine, acupuncture, and moxibustion. KMDs cited a need for medical information, such as CPGs, as their most important concern with regard to the treatment of breast cancer patients. Conclusions: This survey determined the prevalence of the use of KM for Korean breast cancer patients. Our results underscore the need for clinical practice guidelines for using of KM as the basis of supportive care for breast cancer and for informing clinicians and patients about this approach.

Perception of Undergraduate Environmental Education Program Students of Hangu University on Their Career Prospect and Career Preparation (항구대학교 환경교육과 학생들의 진로전망인식과 진로준비 고찰)

  • Ahn, Sun-Young;Lee, Yong-Hwan;Yang, An-Na;Kum, Ji-Hun
    • Hwankyungkyoyuk
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    • v.21 no.1
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    • pp.82-96
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    • 2008
  • The primary purpose of this research is to examine the career development of under-graduate environmental education program students. More specifically, it intends to understand how they perceive their career prospect, how they prepare for they career and what kind of career development assistance they receive from their school. For most of college students, a primary purpose for attending college is to prepare for a career, but often academic preparation in college is not enough to get the job they aspire. Career preparation becomes even more complex when their major does not dictate any specific career path or when the major does dictate a specific career path but it does not provide sufficient and quality job opportunities. Undergraduate environmental education programs are typical examples of the latter. To illuminate the understanding of the context surrounding undergraduate environmental education program students, semi-structured interviews were conducted through an instance message software program from August 17th, 2007 to August 20th, 2007. The subjects of this study consisted of 4 undergraduate students and 2 graduates of Hangu University (a tentative name). Each participant was interviewed once or twice for about 2 hours each interview. The findings of the study are as follow. First, they maintain a positive attitude regarding the career outlook and the career decision but it is not well founded. Second, career search and career preparation are conducted individually, and their school does not provide much systematic career assistance. Third, they did not see the relevance of the curriculum of their program to their future career. A few preliminary implications for practices related to career development may be drawn from the findings reported in this study. First, undergraduate students in environmental education programs appear to be in need of comprehensive career development assistance ranging from exploration of job opportunities related to majors, to development of job-seeking skills, to general issues of career preparation and choice. Experiential modes of career exploration seem to be helpful in clarifying their interest and aptitude in the area of environmental education. Second, career development assistance for these students should start at early college years. Third, these students may need help in exploring diverse opportunities related to their major as well as other academic areas. Finally, it is recommended to create more careers in the area of environmental education.

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Personality Characteristics of Patients with Obstructive Sleep Apnea and Simple Snoring : A Preliminary Study (2014.21.1.21폐쇄성수면무호흡증과 단순코골이 환자의 성격 특성 : 예비연구)

  • Kang, Jae Myeong;Kang, Seung-Gul;Lee, Yu Jin;Jeong, Joo Hyun;Kang, Il Gyu;Hwang, Hee Young;Kim, Ji-Eun;Lee, Heon-Jeong;Shin, Seung-Heon;Park, Kee Hyung;Kim, Seon Tae
    • Sleep Medicine and Psychophysiology
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    • v.21 no.1
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    • pp.21-28
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    • 2014
  • Objective: Few studies have evaluated the personality characteristics of patients with obstructive sleep apnea (OSA) and simple snoring. We investigated the personality characteristics of OSA and simple snoring patients and compared differences in personality between the two groups using the Eysenck Personality Questionnaire (EPQ). Materials and Methods: Two hundred and thirty-seven patients who were suspected to have OSA or simple snoring participated in this study. A self-questionnaire which included the EPQ was administered to all participants. All subjects underwent polysomnography in a sleep laboratory and those with an apnea-hypopnea index (AHI) ${\geq}5$ were included in the OSA group, while those with an AHI <5 were included in the simple snoring group. Results: OSA patients had significantly lower scores for Psychoticism (F=4.563, p=0.034) than simple snorers. There were no significant differences in Extraversion (F=3.029, p=0.083), Lie (F=0.398, p=0.529), or Neuroticism (F=3.367, p=0.068) scores between the two groups. In the correlation analysis of the OSA group, AHI was positively correlated with Extraversion score (r= 0.16, p=0.029) and negatively correlated with Lie score (B=-0.31, p<0.001). Using multiple stepwise linear regression analysis with the four EPQ parameter scores as dependent variables, Lie score was associated with older age (B=0.14, p<0.001) and lower AHI (B=-0.05, p<0.001), Psychoticism score was associated with higher Pittsburgh Sleep Quality Index (PSQI ; B=0.14, p<0.001), Neuroticism score was associated with higher PSQI (B=0.34, p=0.001) and female sex (B=3.15, p=0.003), and Extraversion score was associated with younger age (B=-0.08, p=0.020) and higher body mass index (B=0.26, p=0.023). Conclusion: This study suggests that patients with OSA are significantly less prone to psychotic personality characteristics than those with simple snoring. Among OSA patients, higher AHI was correlated with low falsehood and high extraversion tendencies.

An Analysis of Major Trail Deterioration in Urban Natural Park - A Focus on Apsan Park in Daegu Metropolitan City - (도시자연공원의 주요 등산로 훼손실태 분석 - 대구광역시 앞산공원을 대상으로 -)

  • Park, In-Hwan;Lee, Hea-Young;Cho, Kwang-Jin;Jang, Gab-Sue
    • Journal of the Korean Institute of Landscape Architecture
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    • v.38 no.3
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    • pp.33-40
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    • 2010
  • Many trails have been built and utilized in each sub-basin of Apsan Park. This study focused on the conditions and the present flora of several overused trails within three basins called Kun-Gol, Anjiroung-Gol, and Meaja-Gol in Apsan Park. There are two purposes for this study. The first is to make a plan for restoration by classifying the type of damage to these overused trails. The second is to provide preliminary data for reestablishing a more pleasant urban nature park. As a result of the survey, the average length of these trails is 9.0km and mean width is 2.0 to 2.6m. 2,108m of the sections studied(23.4% of the total) had exposed root, 3,199m of the sections studied (35.5% of the total) had exposed rock, 3,270m of the sections studied(36.6% of the total) displayed damaged pathways, and 4,841m of the sections studied (53.8% of the total) had higher soil hardness. Eighty-three areas of deterioration were found and there has been extensive property destruction. As an indication of human disturbances, the Naturalization Index and Urbanization Index appeared as: Kun-Gol, 7.0%, 5.5%; Anjiroung-Gol, 8.3%, 4.5%; Meaja-Gol 8.6%, 6.2%; in total, 7.8%, 8.3%. As a method of checking the level and extent of the damage process, an impact rating classification was used at each point on the trails. Kun-Gol had the highest rating and Anjiroung-Gol had the lowest rating in impact rating classification. With the impact rating classification, it was found that each trail would continue to worsen, meaning that roots and rocks are more likely to be further exposed and the trail width will continue to widen through overuse. An actual plan for reparations and restoration of the trails is needed through further study.

The Price Dynamics in Futures and Option Markets - based on KOSPI200 stock index market - (주가지수선물가격과 옵션가격의 동적관련성에 관한 연구 - KOSPI 200 주가지수현물시장을 중심으로 -)

  • Seo, Sang-Gu
    • Management & Information Systems Review
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    • v.36 no.3
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    • pp.37-49
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    • 2017
  • This study investigates the dynamic relationship between KOSPI200 stock index and stock index futures and stock index option markets which is its derived from KOSPI200 stock index. We use 5-minutes rate of return data from 2012. 06 to 2014. 12. To empirical analysis, this study use autocorrelation and cross-correlation analysis as a preliminary analysis and then following Stoll and Whaley(1990) and Chan(1992), the multiple regression is estimated to examine the lead-lag patterns between the stock index and stock index futures and option markets by Newey and West's(1987) Empirical results of our study shows as follows. First, there exist a strong autocorrelation in the KOSPI200 stock index before 10minutes but a very weak autocorrelation in the stock index futures and option markets. Second, there is a strong evidence that stock index future and option markets lead KOSPI200 stock index in the cross-correlation analysis. Third, based on the multiple regression, the stock index futures and option markets lead the stock index prior to 10-15 minutes and weak evidence that the stock index leads the future and option markets. This results show that the market efficient of KOSPI200 stock index market is improved as compared to the early stage of stock index future and option market.

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The Effect of Social Entrepreneurship on Market Orientation (사회적 기업가정신이 시장지향성에 미치는 영향)

  • Oh, Sang-Hwan;Yun, Dae-Hong;Ock, Jung-Won
    • Management & Information Systems Review
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    • v.36 no.5
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    • pp.27-44
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    • 2017
  • The purpose of this study was to empirically verify the effect of social entrepreneurship on market orientation. total of 500 questionnaires were distributed to workers in social enterprise and preliminary social enterprise. 202 questionnaires were used for final validation of research model, The hypotheses set in this study were validated through SPSS18.0 and LISREL8.3 based on the research model. The results showed that all hypotheses were accepted, except for 5 hypotheses(Hypothesis 1-1, Hypothesis 1-2, Hypothesis 1-3, Hypothesis 1-6, Hypothesis 1-9). First, we examined the effect that empathy might have on market orientation in connection with social entrepreneurship. The results suggested that empathy did not have a statistically significant effect on customer-orientation, inter-department cooperation and coordination, and competitor orientation. Second, we examined the effect that innovativeness might have on market orientation in connection with social entrepreneurship. The results showed that innovativeness had a positive(+) effect on customer-orientation and inter-department cooperation and coordination but did not have a statistically significant effect on competitor-orientation. Third, we examined the effect that risk-taking might have on market orientation in connection with social entrepreneurship. The results implied that risk-taking had a positive(+) effect on customer-orientation and inter-department cooperation and coordination but did not have a statistically significant effect on competitor-orientation. Finally, the relationship among market orientation variables was like this: The inter-department cooperation and coordination had a positive(+) effect on both customer-orientation and competitor-orientation. The results of this study are expected to provide a useful basis for overall understanding about the effect of social entrepreneurship on market orientation and present important theoretical and practical implications.

Polymorphisms and Allele Distribution of Novel Indel Markers in Jeju Black Cattle, Hanwoo and Imported Cattle Breeds (제주흑우, 한우 및 수입 소 품종에서 새로운 indel 마커의 다형성과 대립인자 분포)

  • Han, Sang-Hyun;Kim, Jae-Hwan;Cho, In-Cheol;Cho, Sang-Rae;Cho, Won-Mo;Kim, Sang-Geum;Kim, Yoo-Kyung;Kang, Yong-Jun;Park, Yong-Sang;Kim, Young-Hoon;Park, Se-Phil;Kim, Eun-Young;Lee, Sung-Soo;Ko, Moon-Suck
    • Journal of Life Science
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    • v.22 no.12
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    • pp.1644-1650
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    • 2012
  • The aim of this study was to screen the polymorphisms and distribution of each genotype of insertion/ deletion (indel) markers which were found in a preliminary comparative study of bovine genomic sequence databases. Comparative bioinformatic analyses were first performed between the nucleotide sequences of Bovine Genome Project and those of expressed sequence tag (EST) database, and a total of fifty-one species of indel markers were screened. Of these, forty-two indel markers were evaluated, and nine informative indel markers were ultimately selected for population analysis. Nucleotide sequences of each marker were re-sequenced and their polymorphic patterns were typed in six cattle breeds: Holstein, Angus, Charolais, Hereford, and two Korean native cattle breeds (Hanwoo and Jeju Black cattle). Cattle breeds tested in this study showed polymorphic patterns in eight indel markers but not in the Indel-15 marker in Charolais and Holstein. The results of analysis for Jeju Black cattle (JBC) population indicated an observed heterozygosity (Ho) that was highest in HW_G1 (0.600) and the lowest in Indel_29 (0.274). The PIC value was the highest in HW_G4 (0.373) and lowest in Indel_6 (0.305). These polymorphic indel markers will be useful in supplying genetic information for parentage tests and traceability and to develop a molecular breeding system for improvement of animal production in cattle breeds as well as in the JBC population.