2,573,990 research outputs found

    Economic evaluation of laparoscopic surgery for colorectal cancer

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    Objectives: To assess the cost-effectiveness of laparoscopic surgery compared with open surgery for the treatment of colorectal cancer. Methods: A Markov model was developed to model cost-effectiveness over 25 years. Data on the clinical effectiveness of laparoscopic and open surgery for colorectal cancer were obtained from a systematic review of the literature. Data on costs came from a systematic review of economic evaluations and from published sources. The outcomes of the model were presented as the incremental cost per life year gained and using cost-effectiveness acceptability curves (CEACs) to illustrate the likelihood that a treatment was cost-effective at various threshold values for society’s willingness to pay for an additional life year. Results: Laparoscopic surgery was on average £300 more costly and slightly less effective than open surgery and had a 30% chance of being cost-effective if society is willing to pay £30,000 for a life year. One interpretation of the available data suggests equal survival and disease-free survival. Making this assumption, laparoscopic surgery had a greater chance of being considered cost-effective. Presenting the results as incremental cost per quality adjusted life year (QALY) made no difference to the results, as utility data were poor. Evidence suggests short-term benefits following laparoscopic repair. This benefit would have to be at least 0.01 of a QALY for laparoscopic surgery to be considered cost-effective. Conclusions: Laparoscopic surgery is likely to be associated with short-term quality of life benefits, similar long-term outcomes and an additional £300 per patient. A judgement is required as to whether the short-term benefits are worth this extra cost.Peer reviewedAuthor versio

    Systematic review of economic evaluations of laparoscopic surgery for colorectal cancer

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    Objective Colorectal cancer is one of the most common cancers and the standard surgical treatment for this cancer is open resection (OS), but laparoscopic surgery (LS) may be an alternative treatment. In 2000, a Health Technology Assessment (HTA) review found little evidence on costs and cost-effectiveness in comparing the two methods. The evidence base has since expanded and this study systematically reviews the economic evaluations on the subject published since 2000. Method Systematic review of studies reporting costs and outcomes of LS vs OS for colorectal cancer. National Health Service Economic Evaluation Database (NHS EED) methods for abstract writing were followed. Studies were summarized and incremental cost-effectiveness ratios (ICER) for common outcomes were calculated. Results Five studies met the inclusion criteria. LS generally had higher healthcare costs. Most studies reported longer operational time and shorter length of stay and similar long-term outcomes with LS vs OS. Only one outcome, complications, was common across all studies but results lacked consistency (e.g. in two studies, OS was less costly but more effective; in another study, LS was less costly but more effective; and in the further two studies, LS could potentially be cost effective depending on the decision-makers' willingness to pay for the health gain). Conclusion The evidence on cost-effectiveness is not consistent. LS was generally more costly than OS. However, the effectiveness data used in individual economic evaluation were imprecise and unreliable when compared with data from systematic reviews of effectiveness. Nevertheless, short-term benefits of LS (e.g. shorter recovery) may make LS appear less costly when productivity gains are considered.Department of Health, National Coordinating Centre for Health Technology Assessment, Chief Scientist Office of the Scottish Government Health DirectoratesPeer reviewedAuthor versio

    Technology-supported assessment

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    New Models of Technology Assessment for Development

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    This report explores the role that ‘new models’ of technology assessment can play in improving the lives of poor and vulnerable populations in the developing world. The ‘new models’ addressed here combine citizen and decision-maker participation with technical expertise. They are virtual and networked rather than being based in a single office of technology assessment (as was the case in the United States in the 1970s-90s). They are flexible enough to address issues across disciplines and are increasingly transnational or global in their reach and scope. The report argues that these new models of technology assessment can make a vital contribution to informing policies and strategies around innovation, particularly in developing regions. They are most beneficial if they enable the broadening out of inputs to technology assessment, and the opening up of political debate around possible directions of technological change and their interactions with social and environmental systems. Beyond the process of technology assessment itself, the report argues that governance systems within which these processes are embedded play an important role in determining the impact and effectiveness of technology assessment. Finally, the report argues for training and capacity-building in technology assessment methodologies in developing countries, and support for internationally co-ordinated technology assessment efforts to address global and regional development challenges

    Technology Assessment and Experimentation Plan

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    An assessment is given of the critical and enhancing technologies necessary to build the basic personal terminal (BPT), the supplier, and the Network Management Center (NMC). The experimentation plan for testing the Personal Access Satellite System (PASS) utilizing ACTS is detailed. The experiment plan gives a list of candidate experiments and describes the proposed experimental set-up. ACTS will be used in the Microwave Switch Matrix (MSM) mode. The Microwave Switch Matrix - Link Evaluation Terminal (MSM-LET) at the NASA Lewis Research Center will serve as the microwave front-end for the PASS supplier and the NMC. Link budgets are given for both the forward and return links between the supplier and the basic personal terminal. The equipment required for the experiments is identified

    The southern regional conference on technology assessment: Summary

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    The proceedings of a conference on technology assessment are presented. A survey of recent Federal activity in technology assessment was discussed initially. Emphasis was placed on state and local activities with respect to technology assessment to include the following subjects: (1) the technology assessment desired by states, (2) organization of technology assessment activities, (3) how to perform technology assessments for less than $5,000, and (4) the preparation of environmental impact statements. Specific application of technology assessment to solid waste management in Connecticut is reported

    An assessment of alternatives for a national computerized criminal history system

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    Cellulosic Ethanol Technology Assessment

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    Resource /Energy Economics and Policy,

    Evacuation and Return: Increasing Safety and Reducing Risk

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    The City of New Orleans enlisted UNO-CHART to improve the evacuation of the vulnerable populations in the city, defined broadly to include those who are not able to access or use the standard resources offered in disaster preparedness and planning, response, and recovery. To do this, UNO-CHART analyzed the Regional Transit Authority (RTA), the City Assisted Evacuation Plan (CAEP) and Special Needs Registry databases, conducted a literature review of risk communication best practices, reviewed ready.nola.gov for content and readability, conducted a social vulnerability analysis of the Evacuspots, conducted interviews and focus groups with vulnerable populations in the City of New Orleans, and evaluated the CAEP full scale exercise. UNO-CHART conducted these analyses in order to examine the transportation needs of vulnerable populations on an everyday basis and during a disaster event, and how the city’s services currently meets those needs. The project team discovered that while many members of vulnerable populations use public transportation on a daily basis, there are issues with obtaining transportation during a disaster. The issues stem from a lack of resident knowledge about the City Assisted Evacuation (CAE) process, locations of Evacuspots, accessibility and cultural competence of the CAE, and trust in the city to effectively bring vulnerable populations to safety. Residents detailed many different ways the city can build on the past to create community solutions. The following report details recommendations for how to make residents more aware of the CAEP, make Evacuspots more accessible, better plan for the city’s most vulnerable, integrate cultural competence into the CAEP, and build trust in self-reliant populations

    LA SAFE – Louisiana’s Strategic Adaptations for Future Environments: The Collective Search for Common Ground

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    In coastal Louisiana, subsidence and sea level rise, plus the threat of hurricanes and flooding, combine to create one of the highest rates of relative sea level rise in the world (Penland & Ramsey, 1990). To help address these issues, the National Disaster Resilience Competition (NDRC), sponsored by the U.S. Department of Housing and Urban Development (HUD) and the Rockefeller Foundation, awarded funding for LA SAFE – Louisiana’s Strategic Adaptations for Future Environments. The LA SAFE program, a partnership between the Office of Community Development (OCD) and the Foundation for Louisiana (FFL), supported an inclusive public process to identify adaptation strategies to enhance the resilience of coastal Louisiana. This public process involved the six parishes most impacted by Hurricane Isaac in 2012: Jefferson, Lafourche, Plaquemines, St. John the Baptist, St. Tammany, and Terrebonne. Throughout the planning and implementation process, UNO-CHART conducted an evaluation in an iterative manner that allowed for continual feedback. The evaluation was a mixed methods process that included both qualitative and quantitative measures, involving both process and outcome measures
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