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      Recursos disponibles para la recuperación de información sobre salud en Internet

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          Abstract

          El Internet se ha convertido en un fenómeno social en nuestros tiempos y en un apoyo vital para el desarrollo de las investigaciones en salud.El hecho de que es una herramienta para recuperar información e investigar no se discute.Las ciencias de la información avanzan a grandes pasos y los profesionales en salud que se apoyan o tienen contacto con la realidad de Internet,encuentran difícil seguir este paso,lo que disminuye la efectividad y eficiencia con que se utiliza este recurso.Motivado en los hechos previos,se realizó una revisión de algunos recursos encontrados en la red de redes,Internet,y se plantea una estrategia de búsqueda de información para recuperarla en un motor de búsqueda y,así,resolver las preguntas clínicas diarias.En especial,se focaliza la revisión del tema sobre los motores de búsqueda Pubmed y Google.Basado inicialmente en la construcción de una pregunta para hallar información mediante la metodología PICO,el profesional se orienta para definir los términos de búsqueda que le permitirán recuperar información con varios niveles de rigurosidad científica y aplicable a varias latitudes.Finalmente,se comentan algunas limitaciones que existen en torno a la recuperación de información y las oportunidades que ofrecen las iniciativas para la Web semántica.

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          Most cited references 34

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          North and South: bridging the information gap.

          Information exchange is critical for development of health systems. The information needs of less-developed countries are especially challenging, but many factors inhibit free flow of knowledge. There is much talk about how technical fixes--such as the internet--might fill this information gap. Yet few attempts have been made to ask clinical investigators who work in resource-poor regions for their views on these difficulties and the possible solutions. The messages reported here, from a survey of Lancet editorial advisors, suggest that information, research, and publication capacities are intimately linked. Investigators, publishers, editors, and editorial organisations all have important parts to play in solving this global information poverty.
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            A pilot study on the use of decision theory and value of information analysis as part of the NHS Health Technology Assessment programme.

            To demonstrate the benefits of using appropriate decision-analytic methods and value of information analysis (DA-VOI). Also to establish the feasibility and implications of applying these methods to inform the prioritisation process of the NHS Health Technology Assessment (HTA) programme, and possibly extending their use therein. Three research topics that were considered by the HTA panels in the September 2002 and February 2003 prioritisation rounds. A brief and non-technical overview of DA-VOI methods was circulated to the panels and Prioritisation Strategy Group (PSG). For each case study the results were presented to the panels and the PSG in the form of brief case-study reports. Feedback on the DA-VOI analysis and its presentation was obtained in the form of completed questionnaires from panel members, and reports from panel senior lecturers and PSG members. Although none of the research topics identified met all of the original selection criteria for inclusion as case studies in the pilot, it was possible to construct appropriate decision-analytic models and conduct probabilistic analysis for each topic. In each case, the tasks were completed within the time-frame required by the existing HTA research prioritisation process. The brief case-study reports provided a description of the decision problem, a summary of the current evidence base and a characterisation of decision uncertainty in the form of cost-effectiveness acceptability curves. Estimates of value of information for the decision problem were presented for relevant patient groups and clinical settings, as well as the value of information associated with particular model inputs. The implications for the value of research in each of the areas were presented in general terms. Details were also provided on what the analysis suggested regarding the design of any future research in terms of features such as the relevant patient groups and comparators, and whether experimental design was likely to be required. The pilot study showed that, even with very short timelines, it is possible to undertake DA-VOI that can feed into the priority-setting process that has been developed for the HTA programme. There are however a number of areas that need to be established at the beginning of the process, such as clarification of the nature of the decision problem for which additional research is being considered, explicitness about which existing data should be used and how data that exhibit particular weaknesses should be down-weighted in the analysis. Other areas, including optimum application of researcher time, integrating the vignette (a summary of the clinical problem and existing evidence) and the use of DA-VOI, training, use of sensitivity analyses, and deployment of clinical expertise, are also considered in terms of the potential implementation of DA-VOI within the HTA programme. Recommendations for further research include how literature searching should focus on those variables to which the model's results are most sensitive and with the highest expected value of perfect information; methods of evidence synthesis (multiple parameter synthesis) to consider the evidence surrounding multiple comparators and networks of evidence; and ways in which the value of sample information can be used by the NHS HTA programme and other research funders to decide on the most efficient design of new evaluative research. There is also a need for an analytical framework to be developed that can jointly address the question of whether additional resources would better be devoted to additional research or interventions to change clinical practice.
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              The impact of CyberHealthcare on the physician-patient relationship.

              It is estimated that 70 million Americans have used the Internet to acquire health-related information. Multiple factors provide the driving force behind this demand for online health information. Information technology is beginning to change the exclusive focus of medicine from curing disease to prevention of disease and enhancing health status. A critical feature of this change is the development of information and services that assist consumers to assume more responsibility for their own health and to actively participate in health care decisions. At the same time, physicians remain skeptical about the advantages of using the Internet for patient education. Some of the issues that this paper addresses include the following: What are the major factors that are leading to the increased use of the Internet by consumers to obtain health-related information? How do physicians view the use of the Internet by patients to obtain health-related information and services? How is the use of the Internet by consumers affecting physician-patient communications? What are the implications of the Internet for the future of physician-patient relationships?
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                Author and article information

                Contributors
                Role: ND
                Journal
                rcsp
                Revista Costarricense de Salud Pública
                Rev. costarric. salud pública
                Asociación Costarricense de Salud Pública (San José )
                1409-1429
                December 2005
                : 14
                : 27
                : 16-34
                Affiliations
                [1 ] Área de Salud Guadalupe
                Article
                S1409-14292005000200003
                Product
                Product Information: website
                Categories
                Public, Environmental & Occupational Health

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