576 research outputs found

    Grouting a Water Tower Foundation in a Carbonate Formation

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    Grouting the cavities in cavernous carbonate formations is one of the techniques employed to achieve reliable bearing support for structures founded in and on such rock units. For this purpose, conventional exploration methods, such as test borings and geophysical measurements, can be employed to obtain the necessary subsurface data; but, they are usually limited in extent, expensive, time consuming, and can be misleading. These limitations can be overcome by employing percussion probing techniques. A case history is cited wherein percussion probing was successfully employed

    Professional decision-making in medicine: Development of a new measure and preliminary evidence of validity

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    INTRODUCTION: This study developed a new Professional Decision-Making in Medicine Measure that assesses the use of effective decision-making strategies: seek help, manage emotions, recognize consequences and rules, and test assumptions and motives. The aim was to develop a content valid measure and obtain initial evidence for construct validity so that the measure could be used in future research or educational assessment. METHODS: Clinical scenario-based items were developed based on a review of the literature and interviews with physicians. For each item, respondents are tasked with selecting two responses (out of six plausible options) that they would choose in that situation. Three of the six options reflect a decision-making strategy; these responses are scored as correct. Data were collected from a sample of 318 fourth-year medical students in the United States. They completed a 16-item version of the measure (Form A) and measures of social desirability, moral disengagement, and professionalism attitudes. Professionalism ratings from clerkships were also obtained. A sub-group (n = 63) completed a second 16-item measure (Form B) to pilot test the instrument, as two test forms are useful for pre-posttest designs. RESULTS: Scores on the new measure indicated that, on average, participants answered 75% of items correctly. Evidence for construct validity included the lack of correlation between scores on the measure and socially desirable responding, negative correlation with moral disengagement, and modest to low correlations with professionalism attitudes. A positive correlation was observed with a clerkship rating focused on professionalism in peer interactions. CONCLUSIONS: These findings demonstrate modest proficiency in the use of decision-making strategies among fourth-year medical students. Additional research using the Professional Decision-Making Measure should explore scores among physicians in various career stages, and the causes and correlates of scores. Educators could utilize the measure to assess courses that teach decision-making strategies

    Identifying Practice Competence in Transformative Mediators: An Interactive Rating Scale Assessment Model

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    Published in cooperation with the American Bar Association Section of Dispute Resolutio

    Assimilative, Autonomous, or Synergistic Visions: How Mediation Programs in Florida Address the Dilemma of Court Connection

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    Over the past twenty-five years, the state of Florida has been recognized across the United States as a leader in the development of court-connected alternative dispute resolution programs. Mediation, in particular, has flourished across the state, with one hundred eleven programs in place in family, civil, community, and dependency sectors. Administrative support and oversight for court-connected mediation programs are provided by The Florida Dispute Resolution Center (DRC) - the administrative arm of the Florida Supreme Court - housed within the Office of the State Courts Administrator. In collaboration with the DRC, we designed and conducted a benchmarking study of seven selected mediation programs in the family, civil and community sectors. Our focus in this article is on certain insights that emerged at the macro level regarding the very nature of court-connected mediation, as we analyzed and tried to develop explanations for our empirical findings. Specifically, we will address the fundamental value-based dilemma of court-connected mediation programs, three different approaches to addressing this dilemma through which mediation programs and the courts have forged their relationship in Florida, and some implications of these insights for practice and policy

    Tamoxifen for the management of breast events induced by non-steroidal antiandrogens in patients with prostate cancer: a systematic review

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    BACKGROUND: Tamoxifen has emerged as a potential management option for gynecomastia and breast pain due to non-steroidal antiandrogens, and it is considered an alternative to surgery or radiotherapy. The objective of this systematic review was to assess the benefits and harms of tamoxifen, in comparison to other treatment options, for either the prophylaxis or treatment of breast events induced by non-steroidal antiandrogens in prostate cancer patients. METHODS: We searched CENTRAL, MEDLINE, EMBASE, reference lists, the abstracts of three major conferences and three trial registers to identify ongoing randomized controlled trials (RCTs). Two authors independently screened the articles identified, assessed the trial quality and extracted data. The protocol was prospectively registered (CRD42011001320; http://www.crd.york.ac.uk/PROSPERO). RESULTS: Four studies were identified. Tamoxifen significantly reduced the risk of suffering from gynecomastia (risk ratio 9RR0 0.10, 95% CI 0.05 to 0.22) or breast pain (RR 0.06, 95% CI 0.02 to 0.17) at six months compared to untreated controls. Tamoxifen also showed a significant benefit for the prevention of gynecomastia (RR 0.22, 95% CI 0.08 to 0.58) and breast pain (RR 0.25, 95% CI 0.10 to 0.64) when compared to anastrozole after a median of 12 months. One study showed a significant benefit of tamoxifen for the prevention of gynecomastia (RR 0.24, 95% CI 0.09 to 0.65) and breast pain (RR 0.20, 95% CI 0.06 to 0.65) when compared with radiotherapy at six months. Radiotherapy increased the risk of suffering from nipple erythema and skin irritation, but there were no significant differences for any other adverse events (all P > 0.05). CONCLUSIONS: The currently available evidence suggests good efficacy of tamoxifen for the prevention and treatment of breast events induced by non-steroidal antiandrogens. The impact of tamoxifen therapy on long-term adverse events, disease progression and survival remains unclear. Further large, well-designed RCTs, including long-term follow-ups, are warranted. Also, the optimal dose needs to be clarified

    Scientific value of systematic reviews: survey of editors of core clinical journals.

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    BACKGROUND: Synthesizing research evidence using systematic and rigorous methods has become a key feature of evidence-based medicine and knowledge translation. Systematic reviews (SRs) may or may not include a meta-analysis depending on the suitability of available data. They are often being criticised as 'secondary research' and denied the status of original research. Scientific journals play an important role in the publication process. How they appraise a given type of research influences the status of that research in the scientific community. We investigated the attitudes of editors of core clinical journals towards SRs and their value for publication.¦METHODS: We identified the 118 journals labelled as "core clinical journals" by the National Library of Medicine, USA in April 2009. The journals' editors were surveyed by email in 2009 and asked whether they considered SRs as original research projects; whether they published SRs; and for which section of the journal they would consider a SR manuscript.¦RESULTS: The editors of 65 journals (55%) responded. Most respondents considered SRs to be original research (71%) and almost all journals (93%) published SRs. Several editors regarded the use of Cochrane methodology or a meta-analysis as quality criteria; for some respondents these criteria were premises for the consideration of SRs as original research. Journals placed SRs in various sections such as "Review" or "Feature article". Characterization of non-responding journals showed that about two thirds do publish systematic reviews.¦DISCUSSION: Currently, the editors of most core clinical journals consider SRs original research. Our findings are limited by a non-responder rate of 45%. Individual comments suggest that this is a grey area and attitudes differ widely. A debate about the definition of 'original research' in the context of SRs is warranted

    Qualidade físico-química, higiênico-sanitária e composicional do leite cru: indicadores e aplicações práticas da Instrução Normativa 62.

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    Este documento tem o objetivo de orientar técnicos e produtores quanto aos requisitos mínimos e aos métodos de avaliação do leite cru, preconizados na IN 62, seus objetivos e sua aplicação prática para melhoria do leite produzido.bitstream/item/125963/1/Doc-158-leite.pd

    Procedimentos para a coleta de amostras de leite para contagem de células somáticas, contagem bacteriana total e detecção de resíduos de antibióticos.

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    Nesta publicação são apresentados os procedimentos para coleta e transporte de amostras de leite, os quais devem ser padronizados seguindo normas aceitas internacionalmente, para que os resultados obtidos por diferentes laboratórios possam ser comparados entre si.bitstream/item/124858/1/doc150-leite.pd
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