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Displaying 21 - 40 of 136 Index
Poster Cochrane Review Group Satellites - an effective way to increase review group capacity? Experiences from the Cochrane Effective Practice and Organisation of Care (EPOC) Group
2007 Sao Paulo
Tavender, Gruen, Mayhew, Salzwedel, Grimshaw, Munabi-Babigumira, Oxman, Johansen, Paulsen, Green
Background: As the Cochrane Collaboration expands, review groups are exploring different ways to support new and experienced reviewers and expand capacity in a variety of countries. Cochrane satellites are seen as a way of increasing review group capacity, improving access and supporting reviews…
Oral Cochrane systematic reviews and global burden of disease in children under five: a challenge for developing countries
2007 Sao Paulo
Sguassero, Cuesta
Background: The Cochrane Collaboration is an international initiative dedicated to the production and dissemination of high quality systematic reviews as a step towards global health improvement. Every year, nearly 11 million children die before reaching their fifth birthday. Most of these deaths…
Poster Cochrane's Highly Sensitive Search Strategies and the Hedges Team Strategies for retrieving studies in systematic reviews: a pragmatic comparison
2007 Sao Paulo
Rada, Corbalán, Carlos Claro, Candia, María Letelier
Background: Searching on electronic databases is an important part of conducting systematic reviews (SR). In order to avoid publication bias, the aim is to maximize sensitivity. However, if sensitivity is maintained, optimizing precision can reduce workload of reviewers and costs of retrieving full…
Poster Combining data reported in logarithmic and raw scales in a meta-analysis
2007 Sao Paulo
PT Higgins, R White, Anzures-Cabrera
Background: Skewed data presents a particular problem when dealing with continuous outcomes in a meta-analysis. Sometimes primary researchers use a logarithmic transformation, which can lead to complications when performing a meta-analysis, as some studies may present means and standard deviations…
Poster Combining evidence from observational and experimental studies in a systematic review: example from a health technology assessment study on laser ablation for varicose veins
2007 Sao Paulo
Albäck, Saarinen, Malmivaara, Kuukasjärvi
Background: Surgery for varicose veins is one of the most common surgical procedures. Many new techniques for this treatment are now available, one of the most important ones is endovenous laser ablation of superficial truncal veins.
Objective: To evaluate the efficacy and safety of endovenous…
Poster Comparing the practice of study classification and study inclusion in different systematic reviews on negative pressure wound therapy
2007 Sao Paulo
Peinemann, Lange, Sauerland
Background: Systematic reviews on similar topics may be based on data from different primary studies. The German Institute for Quality and Efficiency in Health Care (Institut für Qualität und Wirtschaftlichkeit im Gesundheitswesen; IQWiG) conducted a systematic review on negative pressure wound…
Poster Comparison of methods of handling missing data in individual patient data meta-analyses; an empirical example on antibiotics in children with acute otitis media
2007 Sao Paulo
Koopman, J.M. van der Heijden, E Grobbee, M. Rovers
Objectives: To explore the influence of various methods for handling missing data on the effect estimates of an individual patient data meta-analysis, i.e 1) complete case analyses, 2) single imputation within trials, 3) single imputation over trials, 4) multiple imputation within trials, 5)…
Oral Consumers and Physician United for the best Health Care: a model for building a national advocacy coalition
2007 Sao Paulo
Mabel Cattivera (www.pacientesonline.org Pacientes Online,Argentina)
Background: The Cochrane Collaboration encourages the unique perspectives provided by consumers on health care. We are trying to generate a perspective of arising from consensus between patients/consumers and physician.
Objectives: To describe the formation and vision of a Physician-Patient…
Poster Cost-effectiveness ratio of public oral care from a health service and societal perspective in Brazil, a middle-income country
2007 Sao Paulo
Alves Ferreira, Alfredo de Salles Loureiro
Objective: To evaluate the cost-effectiveness ratios (CER) and the economic burden of oral care in the public health service of a middle-income country - Brazil - from both a health service and society's perspective.
Methods: Longitudinal data from 7825 patients treated by 13 dentists and two…
Poster Could the level of trial's pragmatism be a source of heterogeneity in systematic reviews?
2007 Sao Paulo
Ciapponi, Colantonio, Alicia, Luz, María Luisa, Fernando, Bergel
Background: Clinical trials have traditionally been broadly categorized as either explanatory/efficacy trials or pragmatic/effectiveness trials. Explanatory trials are aimed at determining if an intervention can work under ideal circumstances whereas pragmatic trials attempt to show if an…
Oral Data extraction errors in meta-analyses using standardised mean differences
2007 Sao Paulo
C. Gøtzsche, Hróbjartsson, Maric, Tendal
Background: Meta-analysis of trials that have used different continuous or rating scales to record outcomes of a similar nature can be performed by pooling the trials' standardised mean difference (SMD). This is the difference in means divided by the pooled standard deviation.
Objectives: To…
Poster Describing rare and serious harms of interventions
2007 Sao Paulo
C Reeves, Herxheimer, Wells, Gyte
Background: Individuals, and health care professionals advising them, ('consumers' or 'users') need evidence about rare and serious harms, as well as the benefits, of interventions to help them make informed decisions. Evidence about rare and serious harms comes rarely from…
Poster Determining the KSTE priorities for the National Collaborating Centre for Methods and Tools (Public Health in Canada)
2007 Sao Paulo
Ciliska, Clark, Thomas, Valaitis, Van Berkel
Background: The National Collaborating Centre for Methods and Tools (NCCMT) is one of six National Collaborating Centres established by the Public Health Agency of Canada to promote evidence-informed public health decision-making. The NCCMT will focus on the identification, evaluation, development…
Oral Developing a classification system for a systematic review of the prognosis of autism
2007 Sao Paulo
Woolfenden, Ridley, Williams
Background: Parents and carers of children with autism need information about the long-term health and well-being outcomes, or 'prognosis', of their children at the time of diagnosis. Clinicians and health service providers need valid and applicable information about the prognosis of…
Poster Developing a data management software for systematic reviews and meta-analyses
2007 Sao Paulo
Trelle, Reichenbach, Sturdy, Jüni
Background: The process of performing a systematic review and meta-analysis is complex. Usually, several people are involved and large amounts of data have to be managed. Commercial software is available to manage the process of performing a systematic review but it is expensive.
Objectives: To…
Oral Development of a practical and efficient methodology for determining whether to update a systematic drug class review: The DERP experience
2007 Sao Paulo
Peterson, S. McDonagh, Chan, Fu, G. Thakurta
Background: Some Medicaid programs in the United States are now using evidence-based strategies to manage appropriate use of outpatient prescription drugs. The Drug Effectiveness Review Project (DERP) is one example of a coordinated effort by a consortium of State Medicaid pharmacy programs to use…
Poster Distance education for evidence-based health hospital managers: partnership between Hospital Sírio Libanês and National Health Surveillance Agency (ANVISA)
2007 Sao Paulo
Simões Gundim, de Queiroz Padilha
The intervention: Its Architecture And Objective: Two technologies of telemedicine service were selected for the distance education program: multipoint videoconferencing system with audio and video multidirectional transmission and the virtual environment for access, via Internet, of live classes…
Poster Do we need another systematic review if results from high-quality secondary literature already exist?
2007 Sao Paulo
Scheibler, Grosselfinger, Lange
Background: The number of systematic reviews (SRs) and health technology assessments based on a systematic assessment of primary research literature is constantly growing. About four SRs on medical topics meeting minimum standards were published per day in 2003. Therefore, against a background of…
Poster Does blood pressure response vary? An assessment using a systematic review of calcium channel blockers for primary hypertension
2007 Sao Paulo
Mon Yee Wong, M Wright, Glasziou
Background: The optimal strategy for monitoring and titration of patients commencing antihypertensive medication has not been systematically studied, despite existing guidelines for management of hypertension. While the magnitude of average blood pressure lowering addresses the efficacy, analyzing…
Oral Does location affect the publication of trial results presented at conferences? A case-study of African and North American HIV/AIDS trials
2007 Sao Paulo
Siegfried, Oliver, Clarke
Background: Conferences provide opportunities for researchers to present their trial results, but the brevity of conference abstracts restricts their usefulness as a dissemination tool1. However, exclusion of conference abstracts from a systematic review may introduce publication bias. A Cochrane…