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Displaying 1 - 20 of 62 records Index
Poster A modern analysis of an old meta-analysis "on certain enteric fever inoculation" : a tribute to Professor Karl Pearson's legacy
2007 Sao Paulo
José Martí Carvajal, Peña-Martí, Comunián-Carrasco
Background: In 1904, the British Medical Journal (BMJ) published "Report on certain enteric fever inoculation statistics" by Karl Pearson1. This paper contains what is often regarded as the first meta-analysis using health care data.
Objectives: To assess the effects of enteric fever…
Poster A search for studies on negative pressure wound therapy was complemented by the nursing database CINAHL in a systematic review
2007 Sao Paulo
Peinemann, Lange, Sauerland
Background: The number and type of electronic databases used for literature retrieval in decision-making procedures in health care is a subject under discussion. The German Institute for Quality and Efficiency in Health Care (Institut für Qualität und Wirtschaftlichkeit im Gesundheitswesen, IQWiG),…
Poster A staged approach to Review Group registration - a case study
2007 Sao Paulo
Doyle, Waters, Mayhew, Grimshaw
The Cochrane Health Promotion and Public Health (HPPH) Field aims to increase the quantity and quality of Cochrane reviews that address the effectiveness of a wide range of health promotion and public health interventions. Such review topics can be very complex, dealing with upstream and distant…
Poster Building bridges between systematic reviews and Brazilian decision-making: methods for disseminating evidence
2007 Sao Paulo
Pontes, Barbosa Camargo, Oliveira Laranjeira, Oliveira de Albuquerque, Tolentino Silva, Franco Veloso, Ceciliano de Souza Veloso, Tavares Silva Elias, Jacob Serruya
Background: This is a preliminary project for publishing a synthesis of the systematic reviews which were requested by the Ministry of Health from the Brazilian Cochrane Centre and Social Medicine Institute, between 2004 and 2005. These studies were funded by the Department of Science and…
Poster Challenges and opportunities for utilizing systematic reviews in zoonotic public health
2007 Sao Paulo
Andra Waddell, Rajic, Sargeant, Wilkins, McEwen
Background: Zoonotic public health issues, such as avian influenza, bovine spongiform encephalopathy or antimicrobial resistance, are complex and research or literature reviews addressing these issues often result in contradictory findings and recommendations. There is increasing momentum to adopt…
Poster Challenges of developing a geographic search filter to identify randomized controlled trials in Africa: finding the optimal balance between sensitivity and precision
2007 Sao Paulo
Grobler, Busgeeth, Siegfried, Eisinga
Background: The need for more scientifically validated search strategies is increasing. To date, research on how best to identify trials within geographic regions is limited. In the absence of a single electronic database providing comprehensive coverage of African trials, identifying African…
Poster Checking the methodological quality of clinical studies about voice and larynx published in two Brazilian and two international papers indexed by Medline
2007 Sao Paulo
Pedrosa Vieira, De Biase, Stella Peccin, Nagib Atallah
Background: Clinical practice brings to health professionals daily problems that need to be solved with promptness, at reduced costs and aiming to improve safety during prevention, diagnostic, and treatment of our patients. Clinicians tend to keep themselves up-to-date by selecting among the huge…
Poster Cochrane Editors as authors: how is the potential conflict of interest managed?
2007 Sao Paulo
G MacLehose, Garner
Background: Cochrane Editors often have a dual role of Editor and author. Because this may be viewed as a potential conflict of interest, Cochrane Review Groups (CRGs) may have policies in place to prevent the Editor being involved in the editorial process in this situation. The number of Cochrane…
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…
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)…
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…
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…
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…
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…