• 제목/요약/키워드: electronic evidence

검색결과 455건 처리시간 0.042초

뇌졸중의 약침 치료에 대한 메타분석의 통합적 고찰 (Pharmacopuncture for Stroke: An Overview of Meta-Analyses)

  • 김미경;한창호
    • 대한한방내과학회지
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    • 제40권6호
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    • pp.1081-1100
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    • 2019
  • Objectives: This study is an overview of the meta-analysis and systematic review of randomized controlled trials investigating the clinical effectiveness and safety of pharmacopuncture for patients with stroke. Methods: Core electronic databases were searched from their inception to 21 May 2019. A measurement tool to assess systematic reviews (AMSTAR 2) was applied to screen high-quality studies. The results of these studies were summarized, and additional meta-analysis was conducted. The Grading of Recommendations Assessment, Development, and Evaluation (GRADE) was used to evaluate the certainty of evidence. Results: Sixteen studies met eligibility criteria. Four were excluded owing to insufficiency of AMSTAR 2 or low data reliability. The finally selected 12 studies were about pharmacopuncture using either a single herb extract, such as Dengzhan xixin, Sanch, Ginkgo biloba, or Acanthopanax, or a mixture of herbs, such as Compound danshen, Shenxiong, Xingnaojing, or Mailuoning. Most of the patients were from China, with acute ischemic stroke. All the studies using a pharmacopuncture versus a non-pharmacopuncture design reported the significant superiority of pharmacopuncture on every outcome measure. On the other hand, in a few studies, pharmacopuncture was inferior to active control in improving neurological deficit. Few studies reported adverse events. Conclusions: It is difficult to apply the results of this study directly to Korea, because the level of evidence is generally low and the clinical settings and social acceptance of pharmacopuncture therapy differ in Korea and China. Further studies are warranted to confirm the domestic applicability of evidence generated in China and to create evidence that supports the domestic situation.

족저근막염의 침치료에 대한 국내외 연구동향 분석 (Acupuncture Treatment of Plantar Fasciitis: A Literature Review)

  • 고낙용;김창곤;고연석;이정한
    • 한방재활의학과학회지
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    • 제25권2호
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    • pp.97-110
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    • 2015
  • Objectives Plantar fasciitis is one of the most common causes of heel pain. Plantar fasciitis can be managed with acupuncture, but the evidence for its effectiveness is uncertain. The aim of this review was to assess the effectiveness of acupuncture for plantar fasciitis. Methods I searched specific Korean and foreign electronic databases (KCI, RISS, NDSL, OASIS, KTKP, National Assembly Library, KMbase, PubMed, The Cochrane Library and China National Knowledge Infrastructure). The key search terms were 'heel pain', 'plantar fasciitis' and 'acupuncture'. Twenty-seven trials were included; eleven case reports, fourteen randomized controlled trials (RCTs) and two non-randomized controlled trials (NRCTs). Results Twenty-seven studies reported that acupuncture treatment reduced plantar fasciitis pain. However, the evidence provided by the case reports was regarded as weak because the methodological quality was poor, and the placebo effect of acupuncture was not accounted for in the RCTs and NRCTs. Overall, the methodological quality of the RCTs and NRCTs was weak. Conclusions There is some evidence for the effectiveness of acupuncture for plantar fasciitis. However, in order to reinforce the evidence for acupuncture's effectiveness, additional placebo-controlled trials with well-designed methodologies are required.

사상의학적 중풍 후유증 치료에 대한 체계적 문헌 고찰 (A Systematic Review on the Treatment of Post-Stroke Patients Based on Sasang Constitutional Medicine)

  • 오현주;이정윤;이혜리;이준희
    • 사상체질의학회지
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    • 제34권2호
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    • pp.48-64
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    • 2022
  • Objectives The purpose of this study was to review and evaluate the clinical evidence of the efficacy and safety of treatment based on Sasang constitutional medicine (SCM) for post-stroke patients by systematic review and meta-analysis. Methods Randomized controlled trials (RCTs), published in 10 electronic databases up to December 2020, were searched. For the included studies, Cochrane's risk of bias assessment was performed to analyze the methodological quality. The strength of evidence was evaluated using the grading of recommendations assessment, development, and evaluation system based on the results of analyses. All review processes were performed by two independent researchers. Results Five RCTs were finally included. All included RCTs were conducted for one month on post-stroke patients in 60-80s, four studies on Tae-Eum patients and one study on So-Yang patients. Four types of constitution-specific herbal medicine (Chungpyesagan-tang, Cheongsimsanyak-tang, Yeoldahanso-tang, and Yangkyuksanhwa-tang) and constitution-specific acupuncture therapy were identified as interventions. More than half of the included studies were evaluated as low quality due to the high-risk of bias in selection, performance, and detection. The combination of constitution-specific herbal medicine, acupuncture, and conventional treatment was more effective in improving the patients' motor impairment, dysphagia, aphasia, and depression than conventional treatment alone. No serious adverse events by SCM treatment were reported. Conclusions SCM treatment may improve the sequelae of post-stroke patients safely in combination with conventional treatment. Since the quality of clinical evidence included in this study was low, higher quality clinical evidence obtained in well-designed clinical studies will be needed.

Periodontal parameters in orthodontically tractioned teeth: A systematic review and meta-analysis

  • de Mattos, Paola Marques;Goncalves, Flavio Magno;Basso, Isabela Bittencourt;Ferraz, Aline Xavier;Zeigelboim, Bianca Simone;Stechman-Neto, Jose;Santos, Rosane Sampaio;de Araujo, Cristiano Miranda;Guariza-Filho, Odilon
    • 대한치과교정학회지
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    • 제52권6호
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    • pp.420-431
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    • 2022
  • Objective: This systematic review aimed to evaluate periodontal parameters in orthodontically tractioned teeth compared with the respective non-tractioned contralateral teeth. Methods: Search strategies were developed for six electronic databases and gray literature. Random-effects meta-analyses were performed for the outcomes of interest. Furthermore, the certainty of the evidence was assessed using the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) tool. Results: Overall, 2,082 articles were identified, of which 24 were selected for the qualitative synthesis. A significant difference was observed between the impacted and contralateral teeth (mean difference [MD] = 0.25; 95% confidence interval [CI] = 0.10-0.40; I2 = 0%) when the gingival index was evaluated. Additionally, impacted teeth showed a greater probing depth, with a significant mean difference between the groups (MD = 0.14; 95% CI = 0.07-0.20; I2 = 6%). Most studies had a low risk of bias; however, the certainty of the evidence was very low owing to the design of existing studies. Conclusions: The evidence in the literature indicated that tractioned teeth might show worsening of periodontal parameters related to the gingival index and probing depth; however, the evidence remains uncertain about this outcome. Furthermore, probing depth should be considered regarding its clinical significance because of the small effect size observed.

혼합 전도체 $\beta-LiAl$의 전자구조, 결합과 Li 이온 이동에 따른 영향 (Electronic Structure, Bonding and Kithium Migration Effects of the Mixed Conductor $\beta-LiAl$)

  • Jang, Gun-Eik;I.M Curelaru
    • 한국진공학회지
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    • 제5권3호
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    • pp.194-198
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    • 1996
  • Detailed expermental studies of theelectronic structure of the valence and conduction bands of the mixed conductor $\beta$-LiAlindicate that a quasi-gap opens at the Fermi level, and the conduction states are highlylocalized, as opposed to the theoretical band structure calculations that predict predominant metallic behavior. Evidence for complex lithium migration effects involving the surface of Lial , induced by particle (electron or ion) bombardment and mechanical treatment , has been obtained as a byproduct of these experiments.

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New Korean record and redescription of Dienerella (Dienerella) costulata (Reitter) (Coleoptera: Latridiidae: Latridiinae)

  • Park, Sun-Jae
    • Journal of Species Research
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    • 제2권2호
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    • pp.185-190
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    • 2013
  • The genus Dienerella Reitter and its described species are reported for the first time in Korea. Scanning Electronic Microscope (SEM) photographs of habitus and diagnostic characters, and line drawings of male genetalia are presented. All specimens of the species were collected from inside of a building associated with dried collections, but no evidence is available of the damage caused by the species.

PDMS기판에 이온빔 처리에 따른 수평 액정의 배향 연구

  • 김영환;오병윤;김병용;이원규;임지훈;나현재;서대식
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2009년도 추계학술대회 논문집
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    • pp.159-159
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    • 2009
  • We characterize a flexible self-assembled liquid crystal display (LCD) fabricated from a polyimide (PI) alignment layer with polydimethylsiloxane pixel walls. Ion beam (IB) irradiation aligned LC molecules in the PI layer and bonded two flexible plastic substrates in a one-step assembly of the pixel walls. X-ray photoelectron spectroscopic analysis, Fourier transform infrared spectroscopy, and scanning electron microscopy provided chemical and physical evidence for the formation of stable chemical bonds between the PI layer and the PDMS pixel walls in addition to the important maintenance of a uniform 6 um gap between the two substrates without the use of any epoxy resins or other polymers.

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기업의 IS/EC 특성에 따른 B2B 전자상거래 성공요인의 중요도 분석에 관한 실증적 연구 (Perceived Importance of B2B Electronic Commerce Success Factors: An Empirical Evidence of Enterprise′s IS and EC Characteristics)

  • 정대율
    • 한국정보시스템학회지:정보시스템연구
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    • 제11권2호
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    • pp.47-72
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    • 2002
  • In the beginning of new millennium, Business-to-Business(B2B) Electronic Commerce(EC) is a hot issues of the world business and economic communities. The market of B2B EC is increasing rapidly, and become a more complex and competitive because many participants and intermediaries are play on their own objectives and strategies. To cope with the situation, participants of B2B EC market should make play with a competitive strategies. So, the participant enterprises must know the critical success factors of their own EC market. This study identifies B2B EC success factor measurement sets, and explores several success factors based on the perceived importance of B2B EC practitioner in the manufacturing enterprises. The study tests the differences of success factors by IS level, EC business model characteristics, and EC introduction and operating characteristics.

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빅데이터 스트림 환경에서의 센서 데이터 분류와 상황추론 (Context Inference and Sensor Data Classification of Big Data Stream Environment)

  • 유창근
    • 한국전자통신학회논문지
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    • 제9권10호
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    • pp.1079-1085
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    • 2014
  • 변화하는 연속적인 데이터가 대량으로 유입되는 스트림 형태의 센서 데이터에 대한 분석은 궁극적으로 상황인식에 도달할 수 있어야 한다. 본 연구에서 가변적이며 연속적으로 입수되는 센서 데이터 스트림을 분석하여 상황을 추론하는 방안을 제안한다. 연속적인 스트림 형태를 가지는 센서 데이터를 분류하기 위하여 센서로 부터 보내온 각 센서 데이터에 내포된 값들을 평가하고, 시간에 따른 변화를 토대로 신뢰도를 계산하였다. 각 데이터들이 구성하는 상황요인을 설정하였고 각 요인들의 변화를 추정할 수 있도록 함으로써 상황 추론이 가능함을 보였다.

국내 Computer Forensics의 연구동향과 발전방향 (Trends and Development of Computer Forensics in Korea)

  • 김종섭;김귀남
    • 융합보안논문지
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    • 제3권1호
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    • pp.7-22
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    • 2003
  • 전자정부 실현과 전자상거래의 활성화로 전자거래의 비중이 커지면서 전자거래를 둘러싼 법적 분쟁과 컴퓨터범죄도 날로 증가하고 있다. Computer Forensics는 이러한 법적 분쟁의 해결을 위하여 필수적인 디지털증거를 수집, 보전, 분석, 보고하기 위한 방법론으로 등장하였다. 본 논문에서는 Computer Forensics의 연구동향을 분석하고 이제 본격적인 연구에 들어간 국내 Computer Forensics의 발전방향을 제시하고자 한다. Computer Forensics의 과학적인 연구와 법제도의 정비, 국내 실정에 맞는 기술개발을 통하여 안전한 전자거래의 기반을 구축하는데 기여할 것으로 기대한다.

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