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Machine Learning Approach to Blood Stasis Pattern Identification Based on Self-reported Symptoms (기계학습을 적용한 자기보고 증상 기반의 어혈 변증 모델 구축)

  • Kim, Hyunho;Yang, Seung-Bum;Kang, Yeonseok;Park, Young-Bae;Kim, Jae-Hyo
    • Korean Journal of Acupuncture
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    • v.33 no.3
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    • pp.102-113
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    • 2016
  • Objectives : This study is aimed at developing and discussing the prediction model of blood stasis pattern of traditional Korean medicine(TKM) using machine learning algorithms: multiple logistic regression and decision tree model. Methods : First, we reviewed the blood stasis(BS) questionnaires of Korean, Chinese, and Japanese version to make a integrated BS questionnaire of patient-reported outcomes. Through a human subject research, patients-reported BS symptoms data were acquired. Next, experts decisions of 5 Korean medicine doctor were also acquired, and supervised learning models were developed using multiple logistic regression and decision tree. Results : Integrated BS questionnaire with 24 items was developed. Multiple logistic regression models with accuracy of 0.92(male) and 0.95(female) validated by 10-folds cross-validation were constructed. By decision tree modeling methods, male model with 8 decision node and female model with 6 decision node were made. In the both models, symptoms of 'recent physical trauma', 'chest pain', 'numbness', and 'menstrual disorder(female only)' were considered as important factors. Conclusions : Because machine learning, especially supervised learning, can reveal and suggest important or essential factors among the very various symptoms making up a pattern identification, it can be a very useful tool in researching diagnostics of TKM. With a proper patient-reported outcomes or well-structured database, it can also be applied to a pre-screening solutions of healthcare system in Mibyoung stage.

A Prospective and Sustainable Forestry Job Development in Korea (산림분야 새로운 일자리 개발에 관한 분석적 연구)

  • Shinn, Yun Ho
    • Journal of Agricultural Extension & Community Development
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    • v.23 no.4
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    • pp.471-481
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    • 2016
  • The purposes of this study were to analyze the long-term trends for the outlook for job development in the forestry sector and to identify supply and demand on job markets. Due to the results of the studies of the forest area would be focused on area of forest therapy and guide, forest biomass research, researcher on prevention & control of forest pests, technician for forest protection, expert in forest disaster prevention, investigating of overseas tree species, and similarly the qualification items should be given more in trees and or bio-energy producer, forest saver and preventer, forest therapist and guide, tree pesticide doctor, forestry job regulator, etc. The main implication of the study result is that the reason of climate changes, environment pollutions and green-energy productivity would push the conditions of job market trend in forest workforce area.

Identification of Cardiovascular Disease Based on Echocardiography and Electrocardiogram Data Using the Decision Tree Classification Approach

  • Tb Ai Munandar;Sumiati;Vidila Rosalina
    • International Journal of Computer Science & Network Security
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    • v.23 no.9
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    • pp.150-156
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    • 2023
  • For a doctor, diagnosing a patient's heart disease is not easy. It takes the ability and experience with high flying hours to be able to accurately diagnose the type of patient's heart disease based on the existing factors in the patient. Several studies have been carried out to develop tools to identify types of heart disease in patients. However, most only focus on the results of patient answers and lab results, the rest use only echocardiography data or electrocardiogram results. This research was conducted to test how accurate the results of the classification of heart disease by using two medical data, namely echocardiography and electrocardiogram. Three treatments were applied to the two medical data and analyzed using the decision tree approach. The first treatment was to build a classification model for types of heart disease based on echocardiography and electrocardiogram data, the second treatment only used echocardiography data and the third treatment only used electrocardiogram data. The results showed that the classification of types of heart disease in the first treatment had a higher level of accuracy than the second and third treatments. The accuracy level for the first, second and third treatment were 78.95%, 73.69% and 50%, respectively. This shows that in order to diagnose the type of patient's heart disease, it is advisable to look at the records of both the patient's medical data (echocardiography and electrocardiogram) to get an accurate level of diagnosis results that can be accounted for.

Famous medical doctor Yoo Itae's Study in the Chosun Dynasty (조선의 명의(名醫) 유이태(劉以泰.劉爾泰) 연구)

  • Yoo, Chulho;Yoo, Won-Jun;Cha, Wungseok;Hong, Sae-Young;Kim, Nam-Il
    • Journal of Korean Medical classics
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    • v.26 no.4
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    • pp.117-153
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    • 2013
  • Objective : Two famous medical doctors, Yoo Itae(以泰, 爾泰) and Riu Euitae(義泰), have been well known in academic world and public in Sancheong-gun. Yoo Itae is the progenitor of Majinhak which is the therapy for measles, he wrote a "Majinpyun" as the first book of therapy for measles in Chosun. Riu Euitae, meanwhile, is a fictional medical doctor and a teacher of Heo Jun who became real without confirmation of historical truths by Roh Jeongwoo who heard about a name, Yoo Itae. Roh's assertion was quoted in the report of literatures, papers, novel, and telecast without verification. His assertion is exposed in novel and media and it has seriously distorted the history. The purpose of this study is to rectify the historical distortion. Methods : Various references study was performed. Confirmed a family tree, birth and death year, birthplace, sepulture, words on a tombstone, writing, collections of works anthology and the existence of keepsake. Investigated records of royal family, Sancheong-gun papers, Sancheong Hyanggyo papers, Dongyuhagan, Chosun Hanryuseungram and the record of Sawoo Munjip(anthology). Analyzed Roh Jungwoo's conversation that tells Riu Euitae is a teacher of Heo Jun and contents of an encyclopedia. Listened to testimony of descendants and assertions of historian in rural area. Verified voice recording on books taken from at birthplace and the space of activity. Results : Yoo Itae is well shown in various records and medical writing books, whereas Riu Euitae does not. Riu Euitae is not a real person in the history. Roh Jeongwoo who asserts Riu Euitae is a teacher of Heo Jun admits his mistake. But, the encyclopedia record describing Riu Euitae is a teacher of Heo Jun, government official at Sancheong district office, historians in rural area, historians in rural area who made a family shrine, gravestone, a statue, memorial, historic site of Riu Euitae on Jinju Rui could not suggest any evidences for the existence of Riu Euitae and for record Riu Euitae is a teacher of Heo Jun. Conclusion : Riu Euitae is neither a real person in the history nor a teacher of Heo Jun. Riu Euitae came from pronunciation confusion between 'I' and 'Eui' in Kyungsang province. Riu Euitae is Yoo Itae on Geochang Yoo who was a medical doctor of King, Sukjeong and wrote medical books including , , .

Image Recognition and Its Application to Radiograph (화상인식과 X선 영상에의 응용에 관한 연구)

  • Song, Chae-Uk;Yea, Byeong-Deok
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.5 no.4
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    • pp.829-840
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    • 2001
  • In this study, we propose a method for quantifying the degree of advance of pulmonary emphysema by using chest X-ray images. With this method, we devise two schemes for this purpose. One is for detecting blood vessels by using a deformable model with the tree-like structure and using an evaluation function specialized by knowledge about blood vessels appeared in chest X-ray images, and the other is for quantifying the degree of advance by using several features, which were extracted from blood vessels, and the equation of quantitative evaluation. In order to evaluate the performance, we applied the proposed method to 189 ROIs(Regions of Interest) of ten chest X-ray images and compared the values by the proposed method with those by a medical doctor.

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A Study on the Changes in Forest Laws and System of Forest Specialists (산림법제도의 변천과 산림전문가 양성의 체계에 관한 연구)

  • Youn, Jong-Myoun;Kim, Dong-Pil;Kim, Yeong-Ha
    • Journal of the Korean Institute of Landscape Architecture
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    • v.49 no.6
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    • pp.1-15
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    • 2021
  • This study considered Forest Specialists, who are nurtured by the legal system through the analysis of laws and regulations under the jurisdiction of the Korea Forest Service. In particular, the transition process of forest-related laws and laws to train forest specialists were identified. In addition, changes and characteristics regarding the cultivation of professional forestry talents according to forestry policy were investigated. As a result, it was found that Forest Specialist on policy dealt with forestry success for forestry promotion, and forestry engineers dealt with technical skills for forestry industry development. In addition, according to the revision of the laws for the sustainable use of timber, wood-structural engineers, timber grade evaluators, and timber education specialists are trained separately. Forest Specialists concerned with forest welfare policies were found to train forest experts and complete specialized training courses to provide various services for forest cultural and recreation facilities, healing forests, and forest leisure sports facilities. There is an instructor for forest leisure sports. Forest welfare experts are divided into forest education experts and forest healing instructors; forest education specialists are further divided into forest interpreters, forest guides for children, and forest trekking guides. Forest Specialists on forest protection policy were found to train arboretum and garden experts for the efficient management and exhibition of arboretums. Gardens and tree doctors and tree treatment technicians for arboretums wer also trained. A tree doctor and a tree treatment technician were found to have the necessary qualifications to run a tree hospital business, diagnosing and treating tree damage. Therefore, it is thought that the Korea Forest Service is nurturing Forest Specialists with technical capabilities for forestry promotion, forest industry development, and tree treatment; and the Forest Specialists can provide education and welfare services at culture, recreation, treatment, and conservation sites in forests.

A Case Study of Home Health Care for Postpartum Women and their Newborns (산욕부와 신생아의 가정간호 사례연구)

  • Jun, Eun-Mi
    • 모자간호학회지
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    • v.4 no.1
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    • pp.3-11
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    • 1994
  • Presently there is an increasing demand for home health care services due to changes in the demographic structure as a result of an increasing elderly population, socio-economic improvements, and changes in the family structure, as well as the growing number of people with degenerative diseases. In addition to these reasons, rising medical costs and there a shortage of patient beds space in the hospital, particularly since introduction of national medical insurance. There has been an increasing demand for health care health care services. This study was done to identify the basic data for home health care management. It focused on developing client selection criteria, assessment tools, and recording methods. This was accomplished by the researchers visiting the patients in their homes. The research process included preparation investigation, tool development, training of the project researcher, and visiting the clients in their homes. The research tools are as follows : 1. Record development : a) The selection criteria tool for home health care of postpartum women was a structured tool and consisted of four parts. b) The structured assessment tool consisted of a general items, obstetric history, past medical history, methods of feeding, medications taken before admission, laboratory test results, discharge instructions, discharge medications, family tree, economic status, environmental status, a map, health assessment of postpartum women and their newborns. c) The visit note I consisted of the frequency of visits. Visit note II consisted of the date ; nursing problems ; nursing process including the initial assessment ; nursing goal ; visit plan ; postpartum women and their neonate health status, diagnosis, goal, implementation, evaluation, summary, next plan, for visit revision. d) Problem note consisted of the date, problem numbers, nursing diagnosis, problem appearance date problem resolution date. The research results are as follows : 1. Nursing problems : The nursing problems of the postpartum women and their neonates were evaluated by the number of nursing diagnoses and the change in the pattern of nursing diagnosis related to the number of visits. a) Nursing diagnosis The nursing diagnosis was classified according to physical function, psychosocial function, family system maintained function. b) The changes of nursing diagnosis related to the number of visits. As the type of nursing diagnosis changed related to the number of visits the number of nursing diagnoses decreased. 2. Contents of home health care : The content was categorized according to assessment, direct care, counseling, education, family care, reporting to with the attending doctor. The recommendations based on the research results are as follows : 1. Tool development Replication of this study is needed to test the validity of the assessment tools used. 2. Home visit a) Home health care nurses should be licensed and qualified. A referral form from the attending doctor is needed for legal protection of nurses. b) The first home visit need to be within 24 hours of discharge from the hospital to decrease the anxiety of frightened postpartum women. c) When the changes occur in the newborn's status, home health care nurses should consult a pediatrician. Communication within the home healthcare team is essential and needs to consistent and done smoothly. 3. Home health care A Study is required to develop protocols for education of staff and for operation of all aspects of this program.

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A Study on Family line of Yoondongri(尹東里) and Ungiyeonron(運氣衍論) in Chochangkyeul(草窓訣) (윤동리(尹東里)의 가계(家系)와 『초창결(草窓訣)』 중(中) 「운기연론(運氣衍論)」에 관(關)한 연구(硏究))

  • Yun, Chang-Yeol
    • Journal of Korean Medical classics
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    • v.30 no.3
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    • pp.41-54
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    • 2017
  • Objectives : Yoondongri is a famous Korean medical doctor in the 18th century. He wrote Chochangkyeul, a special medical book which records his treatment based on the theory of Ungi. Nevertheless, his life and his book have not received due research it deserves. Methods : The paper studied the family tree as revealed in the Papyeong Yoon clan and Chochangkyeul. Further study was done on Yoon's medical theories and clinical features as discovered in Chochangkyeul and Ungiyeonron. Results & Conclusions : Very little is known about Yoondongri other than that he is the 27th generation from the progenitor of the Yoon clan of Papyeong Yoon clan, and that he is the great grandchild of Choongheon-gong Yoon Jeon. One of the important elements of his Ungi theory is Owoon Habgi, which illustrates the integration of Gabsin, Muui, Byeonggye, Gyungjeong, and Yimgi, thereby forming one Ilki. Ilki signifies that mechanisms of disease are inter-connected and one in essence. As the core of his clinical practice, he explains the 25 different types of diseases that can afflict those who are born in the years Gabsin, Muui, Byeongye, Gyungjeong, and Yimgi when they are met with their corresponding year. Yoon described for each script the mechanism of disease, symptom, treatment, and prescription, all of which showcases his status as a great clinical practitioner. His application of Ungi theory is uncomplicated and accessible. His method was also highly effective, the likes of which were unseen even in China and Japan. His prescriptions are mainly based on the Ungi treatment found in Jinmutaek's Saminang, and on Donguibogam.

A Study on Radiological Image Retrieval System (방사선 의료영상 검색 시스템에 관한 연구)

  • Park, Byung-Rae;Shin, Yong-Won
    • Journal of radiological science and technology
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    • v.28 no.1
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    • pp.19-24
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    • 2005
  • The purpose of this study was to design and implement a useful annotation-based Radiological image retrieval system to accurately determine on education and image information for Radiological technologists. For better retrieval performance based on large image databases, we presented an indexing technique that integrated $B^+-tree$ proposed by Bayer for indexing simple attributes and inverted file structure for text medical keywords acquired from additional description information about Radiological images. In our results, we implemented proposed retrieval system with Delphi under Windows XP environment. End users, Radiological technologists, are able to store simple attributes information such as doctor name, operator name, body parts, disease and so on, additional text-based description information, and Radiological image itself as well as to retrieve wanted results by using simple attributes and text keywords from large image databases by graphic user interface. Consequently proposed system can be used for effective clinical decision on Radiological image, reduction of education time by organizing the knowledge, and well organized education in the clinical fields. In addition, It can be expected to develop as decision support system by constructing web-based integrated imaging system included general image and special contrast image for the future.

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A Study on Yunqi Climate (運氣氣候) through analysis of Meteorological research data in Korea (한국(韓國) 기상자료(氣象資料)의 분석(分析)을 통(通)한 운기(運氣) 기후(氣候)에 관(關)한 연구(硏究))

  • Park, Chan-Young;Kim, Ki-Wook;Park, Hyun-Kook
    • The Journal of Dong Guk Oriental Medicine
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    • v.8 no.2
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    • pp.1-24
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    • 2000
  • The comparison of climate's character of Yunqi(運氣) with the data of meterological observation were made in the research of climate. 1. The comparison of the average velocity of wind, temperature, rainfall, humidity of Seoul, by late 1954 to 1983, with Yunqi(運氣) was made. Fire-Chi(火氣) and moisture-qi(濕氣) were matched with the attribute of Taiyun(大運). Cold-qi(寒氣) was had some relationship. Dry-qi(燥 氣) and Wind-qi(風氣) were not matched. About the relationship of Spirit-of-official-sky(司天之氣) with climate, when the Moisture-soil(濕土) was added, they were matched and when the King-fire(君火) was added, they have some relationship. But Wind-tree(風木), Dry-metal(燥金), Buble-fire(相火), Cold-water(寒水) was added they were not matched. 2. According to the observation data of rainfall by late 180 years of Seoul; about Taiyun(大運), when the Water-Yun(水運) was greatly exceeded and Fire-Yun(火運) was shorted, in the case of Official-sky(司天), when Wind-Tree(風木) was added, the frequency was highly. So when the Soil-Yun(土運) was greatly exceeded and when Official-sky(司天)was added to the Moisture-soil(濕土), the rainfall was not matched. 3. The relationship of the frequency of the abnormal climate occurrences between Yunqi-promotion-weak(運氣盛衰)and Yunqi-Harmony(運氣同化) and Yunqi-soft-attacking(運氣順逆) in the weather of Korean Peninsula was compared by 1564 to 1863. They were not matched except the case of Yunqi-Harmony(運氣同化). 4. There were some cases which were not matched exactly between the climate predicted by the theory and real climate in 1984, the year of Kap-ga(甲子年). But many correspondence between the observation by the office of meteorology and the prediction by the analysis from Yun-qi-sang-hab(運氣相合) theory. 5. Because meterological phenomena of real world and analysis from the hypothesis of Yunqi(運氣) have no relationship with each other, some of Doctor denied Yunqi(運氣) in the way of matching mechanically. But the thought of Doctor who denied Fortune-spirit(運氣) made promotion for the theory of divination by bringing deeper insight. And it was not only the negative side. 6. In the point of geographical difference, the climate of China, the origination Yunqi theory, is different from the Korea's. Thus some observation errors should be considered. From the basis of this thesis, I hope that the deeper advance would be made into the Korean Yunqi theory.

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