Guideline development processes vary substantially, and many guidelines do not meet basic quality criteria. Standards for guideline development can help organizations ensure that recommendations are evidence-based and can help users identify high-quality guidelines. Such organizations as the U.S. Institute of Medicine and the United Kingdom's National Institute for Health and Clinical Excellence have developed recommendations to define trustworthy guidelines within their locales. Many groups charged with guideline development find the lengthy list of standards developed by such organizations to be aspirational but infeasible to follow in entirety. Founded in 2002, the Guidelines International Network (G-I-N) is a network of guideline developers that includes 93 organizations and 89 individual members representing 46 countries. The G-I-N board of trustees recognized the importance of guideline development processes that are both rigorous and feasible even for modestly funded groups to implement and initiated an effort toward consensus about minimum standards for high-quality guidelines. In contrast to other existing standards for guideline development at national or local levels, the key components proposed by G-I-N will represent the consensus of an international, multidisciplinary group of active guideline developers. This article presents G-I-N's proposed set of key components for guideline development. These key components address panel composition, decision-making process, conflicts of interest, guideline objective, development methods, evidence review, basis of recommendations, ratings of evidence and recommendations, guideline review, updating processes, and funding. It is hoped that this article promotes discussion and eventual agreement on a set of international standards for guideline development.
Abstract. Several side-effects of asparaginase therapy have been said to be a consequence of the glutaminase activity of Escherichia coli asparaginase, especially the deleterious influence on the liver function. We report here the drug-induced impairments of asparagine and glutamine metabolism in correlation to concentrations changes of plasma proteins, synthesized in the liver, in patients with acute lymphatic leukaemia. One hour after asparaginase application, plasma glutamine decreased to 5% (0-39%: median, range) of the initial values, with a subsequent rise to concentrations slightly lower than those prior to therapy. During the 14 days of drug application the fasting plasma concentrations of glutamine fell to a median of 63% of the pre-therapeutic levels, indicating a depletion of the glutamine pools. Two days after the end of asparaginase application, in one patient the glutamine concentrations increased to the pre-therapeutic range. Plasma concentrations of fibrinogen and antithrombin I11 decreased to 46% and 56%, respectively, of the initial values, with a slight increase 2 days after the end of therapy. The changes of plasma protein concentrations followed the course of plasma glutamine and asparagine. From that we deduce that the hepatic synthesis of the plasma proteins might be influenced by asparagine and glutamine depletion as a consequence of the therapy with E. coli asparaginase.
In a 5-day retreat at a Salzburg Seminar attended by 64 individuals from 29 countries, teams of health professionals, patient advocates, artists, reporters and social scientists adopted the guiding principle of`nothing about me without me' and created the country of PeoplePower. Designed to shift health care from`biomedicine' tò infomedicine', patients and health workers throughout PeoplePower join in informed, shared decision-making and governance. Drawing, where possible, on computer-based guidance and communication technologies, patients and clinicians contribute actively to the patient record, transcripts of clinical encounters are shared, and patient education occurs primarily in the home, school and community-based organizations. Patients and clinicians jointly develop individual`quality contracts', serving as building blocks for quality measurement and improvement systems that aggregate data, while re¯ecting unique attributes of individual patients and clinicians. Patients donate process and outcome data to national data banks that fuel epidemiological research and evidence-based improvement systems. In PeoplePower hospitals, constant patient and employee feedback informs quality improvement work teams of patients and health professionals. Volunteers work actively in all units, patient rooms are information centres that transform their shape and decor as needs and individual preferences dictate, and arts and humanities programmes nourish the spirit. In the community, from the earliest school days the citizenry works with health professionals to adopt responsible health behaviours. Communities join in selecting and educating health professionals and barter systems improve access to care. Finally, lay individuals partner with professionals on all local, regional and national governmental and private health agencies.
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