• Title/Summary/Keyword: quantitative signs

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Development of Questionnaires for Blood Stasis Pattern (어혈변증설문지(瘀血辨證設問紙) 개발(開發))

  • Yang, Dong-Hoon;Park, Yong-Jae;Lee, Sang-Chul;Park, Young-Bae
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.10 no.1
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    • pp.141-152
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    • 2006
  • Background and Objectives: The diagnosis of flood stasis pattern is one of the most important methods in oriental medicine. The aim of this study is to Develop clinically useful questionaire of Blood stasis(瘀血) and quantitative analysis. Methods: The questionnaire including symptoms and signs for diagnosis of Blood stasis pattern is studied by delphi method and statistical analysis. Result: By the delphi method and statistical analysis, 14 Items of questionnaries are choosen. Conclusion: Further research is necessary for improvement reliabilities and validities of the questionnaires of Blood stasis pattern.

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A Study of the Scientific Characteristic of Mathematical Concepts and Curriculum Design (수학적 개념의 과학적 성격과 교육과정 구성과의 관련성 연구)

  • 고정화
    • Journal of Educational Research in Mathematics
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    • v.12 no.2
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    • pp.213-228
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    • 2002
  • We know that curriculum is, first of all, related to teaching materials, namely, contents. Therefore, when we think of mathematics curriculum, we must take account of characteristic of mathematics. Vygotsky has studied the development of scientific concepts and everyday concepts. According to Vygotsky, scientific concepts grow down through spontaneous concepts; spontaneous concepts grow upward through scientific concepts. And mathematics is a representative of subjects dealing with scientific or theoretical concept. Therefore, his study provides scientific basis for mathematics curriculum design. In this context, Davydov notes that everyday concepts are developed through empirical abstraction, while scientific concepts require a theoretical abstraction. And Davydov constructed the curriculum materials for the teaching of number concept. Davydov's curriculum is an example of reflecting Vygotsky' theoretical view and his view about the types of abstraction. In particular, it represents mathematical characteristic of a 'science' by introducing number concept through quantitative relationship and use of signs. In conclusion, stance mathematical concepts have scientific characteristic, mathematics curriculum reflects this characteristic.

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Small-Fiber Neuropathy (세섬유 신경병증)

  • Lee, Dong Kuck
    • Annals of Clinical Neurophysiology
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    • v.5 no.1
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    • pp.1-10
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    • 2003
  • Small-fiber neuropathy (SFN) is a common clinical problems. The disorder is a generalized peripheral polyneuropathy that selectively involves small-diameter myelinated and unmyelinated nerve fibers. It is often idiopathic and typically presents with painful feet in patients over the age of 60. And autoimmune mechanisms are often suspected, but rarely identified. The clinical features consisted of painful dysesthesias and postganglionic sympathetic dysfunction, as well as reduced pinprick and temperature sensation. Although affected patients complain of neuropathic pain, this condition is often difficult to diagnose because of the few objective physical signs and normal nerve conduction studies. Diagnosis of SFN is made on the basis of the clinical features, normal nerve conduction studies, and abnormal specialized tests of small fiber function. These specialized studies include assessment of epidermal nerve fiber density as well as sudomotor, quantitative sensory, and cardiovagal testing. Unless an underlying disease is identified, treatment is usually directed toward alleviation of neuropathic pain.

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Implementation of Fire Risk Estimation System for various Fire Situations using Multiple Sensors (다중 센서들을 이용한 다양한 화재 상황의 위험도 추정 시스템 개발)

  • Lee, Kwangjae;Lee, Youn-Sung
    • Journal of Sensor Science and Technology
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    • v.25 no.6
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    • pp.394-398
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    • 2016
  • In this paper, a fire detection system based on quantitative risk estimation is presented. Multiple sensors are used to build a comprehensive indicator that represents the risk of fire quantitatively. The proposed fire risk estimation method consists of two stages which determines the occurrence of fire and estimates the toxicity of the surveillance area. In the first stage, fire is reliably detected under diverse fire scenarios. The risk of fire is estimated in the second stage. Applying Purser's Fractional Effective Dose (FED) model which quantitates harmfulness of toxic gases, the risk of the surveillance area and evacuation time are calculated. A fire experiment conducted using four different types of combustion materials for the verification of the system resulted in a maximum error rate of 12.5%. By using FED calculation and risk estimation methods, the proposed system can detect various signs of fire faster than conventional systems.

Infection of Enteromyxum leei in cultured starry flounder Platichthys stellatus

  • Sang Phil Shin;Jehee Lee
    • Fisheries and Aquatic Sciences
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    • v.26 no.3
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    • pp.234-240
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    • 2023
  • Enteromyxum leei has been identified as the causative agent of emaciation disease in a wide range of marine fish hosts. In this study, we aimed to determine the effect of the parasitic infection of Enteromyxum species on starry flounder that were cultured in aquaculture farms of Jeju island in Korea. As the mortality of cultured olive flounder Paralichthys olivaceus because of E. leei infection increased, some fish farms on Jeju island attempted to culture the starry flounder Platichthys stellatus, as an alternative. Myxosporeans with a developmental stage similar to E. leei were found in the intestines of cultured starry flounders. The partial 18S rDNA of myxosporeans showed 100% similarity with E. leei. To reveal the effect of E. leei infection on starry flounder, the intensity of E. leei infection measured using quantitative polymerase chain reaction, and the condition factor (CF) of fish were measured and analyzed statistically. The results showed that high-intensity E. leei infection significantly decreased the CF of the starry flounder. However, the pathogenicity of E. leei to starry flounder is low, considering its mortality and clinical signs.

Clinical characterization of 3-month-old pigs infected with African swine fever virus from Vietnam

  • Oh, Sang-Ik;Bui, Vuong Nghia;Dao, Duy Tung;Bui, Ngoc Anh;Yi, Seung-Won;Kim, Eunju;Lee, Han Gyu;Bok, Eun-Yeong;Wimalasena, S.H.M.P;Jung, Young-Hun;Hur, Tai-Young;Lee, Hu Suk
    • Korean Journal of Veterinary Service
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    • v.45 no.2
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    • pp.71-77
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    • 2022
  • African swine fever (ASF) is a fatal viral disease in pigs, with a short incubation period and causing immediate death. Few studies exist on the Asian epidemic ASF virus (ASFV) challenge in older pigs, including growing and fattening pigs and sows. We aimed to investigate clinical outcomes, pathomorphological lesions, and viral distribution in organs of 3-month-old growing pigs that were inoculated with the ASFV isolated in Vietnam. The clinical outcomes were recorded daily, and the dead or euthanized pigs immediately underwent necropsy. Viral loads were determined in 10 major organs using quantitative polymerase chain reaction. The average incubation period in growing pigs was more delayed (5.2±0.9 dpi) than that in weaned pigs, and the clinical signs were milder in growing pigs than in weaned pigs. The digestive and respiratory clinical signs in growing pigs showed at the end period of life, but these were observed at an early stage of infection in weaned pigs. The pathomorphological features were severe and nonspecific with hemorrhagic lesions in various organs. The viral loads in organs from growing pigs were higher than those from piglets, and the number of viral copies was related to gross lesions in the tonsil and intestine. In the absence of vaccines against ASF, early clinical detection is important for preventing the spread of the virus. Our findings elucidated that the clinical signs and gross lesions in growing pigs differed from those in weaned pigs, which provide valuable information for diagnosis of pigs with suspected ASF infection.

Perceptions of Barriers to Cardiovascular Risk Factors and Decision to Seek Treatment among Middle-aged Men with Acute Myocardial Infarction (중장년 남성 급성심근경색증 환자의 심혈관위험인자 인식 및 치료추구 장애요인)

  • Hwang, Seon-Young;Kweon, Young-Ran;Kim, Aee-Lee
    • Korean Journal of Adult Nursing
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    • v.22 no.5
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    • pp.537-551
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    • 2010
  • Purpose: This study was designed to identify meaningful themes related to the recognition of lifestyle risk factors and barriers in seeking treatment following an acute event of first-time acute myocardial infarction. Methods: A methodological mixed method of thematic content analysis and a quantitative analysis was used. The sample consisted of 120 male patients < 65 years of age who agreed to be in the study were interviewed using a semistructured during 2008-2009. Data were analyzed according to the procedure of thematic content analysis and the meaningful themes were coded into SPSS data for quantitative analysis. Results: Pre-hospital delay greater than three hours reported by 58.3% (n=70) of the sample and similarly 63.3% had no recognition about their symptoms as cardiac in origin. The mean number of risk factors was $3.9{\pm}1.8$ out of 11 when lifestyle and psychosocial factors were included. From the interview data among the 70 patients delayed greater than three hours, thirty-five themes categorized into 12 main themes influenced the delayed decision which was identified according to personal-cognitive, socio-cultural, and contextual factors. Conclusion: Health care providers should consider these themes in designing individual interventions to make lifestyle changes and to facilitate more prompt decisions to seek care.

An Analysis of Tasks of Nurses Caring for Patients with COVID-19 in a Nationally-Designated Inpatient Treatment Unit (국가지정 입원치료병상에 입실한 COVID-19 환자를 돌보는 간호사의 업무분석)

  • Jung, Minho;Kim, Moon-Sook;Lee, Joo-Yeon;Lee, Kyung Yi;Park, Yeon-Hwan
    • Journal of Korean Academy of Nursing
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    • v.52 no.4
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    • pp.391-406
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    • 2022
  • Purpose: The purpose of this study was to provide foundational knowledge on nursing tasks performed on patients with COVID-19 in a nationally-designated inpatient treatment unit. Methods: This study employs both quantitative and qualitative approaches. The quantitative method investigated the content and frequency of nursing tasks for 460 patients (age ≥ 18 y, 57.4% men) from January 20, 2020, to September 30, 2021, by analyzing hospital information system records. Qualitative data were collected via focus group interviews. The study involved interviews with three focus groups comprising 18 nurses overall to assess their experiences and perspectives on nursing care during the pandemic from February 3, 2022, to February 15, 2022. The data were examined with thematic analysis. Results: Overall, 49 different areas of nursing tasks (n = 130,687) were identified based on the Korean Patient Classification System for nurses during the study period. Among the performed tasks, monitoring of oxygen saturation and measuring of vital signs were considered high-priority. From the focus group interview, three main themes and eleven sub-themes were generated. The three main themes are "Experiencing eventfulness in isolated settings," "All-around player," and "Reflections for solutions." Conclusion: During the COVID-19 pandemic, it is imperative to ensure adequate staffing levels, compensation, and educational support for nurses. The study further propose improving guidelines for emerging infectious diseases and patient classification systems to improve the overall quality of patient care.

Correlation between clinical changes and viral genome copy number in rock bream infected with red sea bream iridovirus (참돔이리도바이러스 감염 돌돔에서 임상적 변화와 viral genome copy number 간의 상관관계)

  • Dong Jun Shin;Yi Seol Jeong;Min Jae Kim;Guk Hyun Kim;Kwang Il Kim
    • Journal of fish pathology
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    • v.36 no.2
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    • pp.229-238
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    • 2023
  • In this study, the correlation between clinical changes and RSIV genome copy number was investigated to determine the quantitative criteria for the characteristics of RSIV infection. The rock bream (Oplegnathus fasciatus) was intraperitoneally injected with three different doses (1.0×101, 1.0×103 and 1.0×105 viral genome copies/fish) as low, medium, and high doses, respectively. The clinical signs (spleen enlargement, death) observation and real-time PCR were conducted at 5, 10 and 14 days post-injection. During the experiment, spleen index as a quantitative indicator for spleen enlargement was continuously increased in the medium- (up to 2.26) and high-dose (up to 4.99) challenge groups, respectively. Notably, when the spleen index was over 1.5, 2.0, 2.5 and 3.0, a positive correlation was revealed with average viral genome copy numbers of 2.51, 3.37, 4.97 and 5.43×107 viral genome copies/mg, respectively. Moreover, the threshold of spleen index over 1.5 was 1.0×106 viral genome copies/mg, while the thresholds of spleen index over 2.0 and dead was 2.51×107 viral genome copies/mg and the thresholds of spleen index over 2.5 and 3 was 3.98×107 viral genome copies/mg. These findings suggest the possibility of quantitatively analyzing the characteristics and development process of RSIV infection.

Genetic factors influencing milk and fat yields in tropically adapted dairy cattle: insights from quantitative trait loci analysis and gene associations

  • Thawee Laodim;Skorn Koonawootrittriron;Mauricio A. Elzo;Thanathip Suwanasopee;Danai Jattawa;Mattaneeya Sarakul
    • Animal Bioscience
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    • v.37 no.4
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    • pp.576-590
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    • 2024
  • Objective: The objective of this study was to identify genes associated with 305-day milk yield (MY) and fat yield (FY) that also influence the adaptability of the Thai multibreed dairy cattle population to tropical conditions. Methods: A total of 75,776 imputed and actual single nucleotide polymorphisms (SNPs) from 2,661 animals were used to identify genomic regions associated with MY and FY using the single-step genomic best linear unbiased predictions. Fixed effects included herd-year-season, breed regression, heterosis regression and calving age regression effects. Random effects were animal additive genetic and residual. Individual SNPs with a p-value smaller than 0.05 were selected for gene mapping, function analysis, and quantitative trait loci (QTL) annotation analysis. Results: A substantial number of QTLs associated with MY (9,334) and FY (8,977) were identified by integrating SNP genotypes and QTL annotations. Notably, we discovered 17 annotated QTLs within the health and exterior QTL classes, corresponding to nine unique genes. Among these genes, Rho GTPase activating protein 15 (ARHGAP15) and catenin alpha 2 (CTNNA2) have previously been linked to physiological traits associated with tropical adaptation in various cattle breeds. Interestingly, these two genes also showed signs of positive selection, indicating their potential role in conferring tolerance to trypanosomiasis, a prevalent tropical disease. Conclusion: Our findings provide valuable insights into the genetic basis of MY and FY in the Thai multibreed dairy cattle population, shedding light on the underlying mechanisms of tropical adaptation. The identified genes represent promising targets for future breeding strategies aimed at improving milk and fat production while ensuring resilience to tropical challenges. This study significantly contributes to our understanding of the genetic factors influencing milk production and adaptability in dairy cattle, facilitating the development of sustainable genetic selection strategies and breeding programs in tropical environments.