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PubMed2000

Consensus statement on posttraumatic stress disorder from the International Consensus Group on Depression and Anxiety.

OBJECTIVE: To provide primary care clinicians with a better understanding of management issues in posttraumatic stress disorder (PTSD) and guide clinical practice with recommendations on the appropriate management strategy. PARTICIPANTS: The 4 members of the International Consensus Group on Depression and Anxiety were James C. Ballenger (chair), Jonathan R. T. Davidson, Yves Lecrubier, and David J. Nutt. Other faculty invited by the chair were Edna B. Foa, Ronald C. Kessler, Alexander C. McFarlane, and Arieh Y. Shalev. EVIDENCE: The consensus statement is based on the 6 review articles that are published in this supplement and the scientific literature relevant to the issues reviewed in these articles. CONSENSUS PROCESS: Group meetings were held over a 2-day period. On day 1, the group discussed the review articles and the chair identified key issues for further debate. On day 2, the group discussed these issues to arrive at a consensus view. After the group meetings, the consensus statement was drafted by the chair and approved by all attendees. CONCLUSION: PTSD is often a chronic and recurring condition associated with an increased risk of developing secondary comorbid disorders, such as depression. Selective serotonin reuptake inhibitors are generally the most appropriate choice of first-line medication for PTSD, and effective therapy should be continued for 12 months or longer. The most appropriate psychotherapy is exposure therapy, and it should be continued for 6 months, with follow-up therapy as needed.

Cost of Illness↗
PubMed2001

Consensus statement on generalized anxiety disorder from the International Consensus Group on Depression and Anxiety.

OBJECTIVE: To provide primary care clinicians with a better understanding of management issues in generalized anxiety disorder (GAD) and guide clinical practice with recommendations on the appropriate treatment strategy. PARTICIPANTS: The 4 members of the International Consensus Group on Depression and Anxiety were James C. Ballenger (chair), Jonathan R.T. Davidson, Yves Lecrubier, and David J. Nutt. Four additional faculty members invited by the chair were Karl Rickels, Hans-Ulrich Wittchen, Dan J. Stein, and Thomas D. Borkovec. EVIDENCE: The consensus statement is based on the 6 review articles that are published in this supplement and the scientific literature relevant to the issues reviewed in these articles. CONSENSUS PROCESS: Group meetings were held over a 2-day period. On day 1, the group discussed the review articles and the chair identified key issues for further debate. On day 2, the group discussed these issues to arrive at a consensus view. After the group meetings, the consensus statement was drafted by the chair and approved by all attendees. CONCLUSIONS: GAD is the most common anxiety disorder in primary care and is highly debilitating. Furthermore, it is frequently comorbid with depression and other anxiety disorders, which exacerbates functional impairment. Antidepressants (serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, and nonsedating tricyclic antidepressants) are generally the most appropriate first-line pharmacotherapy for GAD, since they are also effective against comorbid psychiatric disorders and are suitable for long-term use. Cognitive-behavioral therapy is the preferred form of psychotherapy for GAD, although when GAD is comorbid with depression, pharmacotherapy is increasingly indicated.

Age of Onset↗
PubMed2002

Consensus conference on environmental values in radiation protection: a report on building consensus among experts.

During the fall of 2001 (October 22-25), The Norwegian Radiation Protection Authority (NRPA) and the Agricultural University of Norway arranged a consensus conference on the protection of the environment against ionising radiation. The motive for the conference was the need to study the ethical and philosophical basis for protection of nature in its own right. The conference was funded by Nordic Nuclear Safety Research (NKS), in cooperation with the International Union of Radioecology (IUR). The National Committee for Research Ethics in Science and Technology (NENT) was hired as facilitators for the consensus process. This paper will give a brief outline of the aims and method of the conference, distinguishing these from other kinds of consensus conferences. The paper ends with some general reflections on the appropriateness of seeking consensus on ethics-related issues among experts.

Bioethical Issues↗
PubMed1991

Consensus of expertise: the role of consensus of experts in formulating public policy and estimating facts.

For years analysts have recognized the error of assuming that experts in medical science are also experts in deciding the clinically correct course for patients. This paper extends the analysis of the use of the consensus of experts to their use in public policy groups such as NIH Consensus Development panels. After arguing that technical experts cannot be expected to be expert on public policy decisions, the author extends the criticism to the use of the consensus of experts in estimating facts to provide a basis for policy decisions. It is argued that to the extent that (a) experts' views regarding a body of facts can be expected to correlate with their values relevant to those facts; and (b) the values of experts differ from the values of lay people, even the estimates of the facts given by the consensus of expert panels can be expected to differ from the estimates lay people would have given had they had the relevant scientific expertise.

Advisory Committees↗
PubMed1995

The E.A.E.S. Consensus Development Conferences on laparoscopic cholecystectomy, appendectomy, and hernia repair. Consensus statements--September 1994. The Educational Committee of the European Association for Endoscopic Surgery.

Under the mandate of the Educational Committee of the European Association of Endoscopic Surgery (E.A.E.S.), three consensus development conferences (CDCs) were performed in order to assess the current status of the endoscopic surgical approaches for the treatment of cholelithiasis, appendicitis, and inguinal hernia. Consensus panels for the different disease states (10-13 members each) selected by the education committee on the basis of members' clinical expertise, academic activity, community influence, and geographical location weighed the evidence on the basis of published results according to the criteria for technology assessment: feasibility, efficacy, effectiveness, economy. Draft statements were prepared, discussed by the panels, and presented at plenary sessions of the 2nd European Congress of the E.A.E.S. in Madrid September 15-17, 1994. Following discussions final consensus statements were formulated to provide specific answers for each topic to a minimum of the following questions: 1. What stage of technological development is the endoscopic surgical procedure at (in September 1994)? 2. Is endoscopic surgery safe and feasible? 3. Is it beneficial to the patients? 4. Who should undergo endoscopic surgery? 5. What are the training recommendations? Laparoscopic cholecystectomy is the procedure of choice for symptomatic cholelithiasis. Laparoscopic appendectomy is presently at the efficacy stage of development, because most of the data on feasibility and safety originate from centers with special interest in endoscopic surgery: it is not yet the gold standard for acute appendicitis. Endoscopic hernia repair is presently a feasible alternative for conventional hernia repair if performed by experienced endoscopic surgeons. It appears to be efficacious in the short-term. The full text of the consensus panel's statements is given in this publication.

Appendectomy↗
PubMed1993

The complex between phage 434 repressor DNA-binding domain and operator site OR3: structural differences between consensus and non-consensus half-sites.

BACKGROUND: The repressor of phage 434 binds to a set of operator sites as a homodimer. Its relative affinities for these sites determine the switch from lysogenic to lytic growth. The six 434 operator sites (OR1, OR2, OR3, OL1, OL2 and OL3) have a particularly simple organization; all are 14 base pairs long, with a conserved 5'-ACAA sequence symmetrically placed at either end, and a variable central six base pairs. OR3 is unique among naturally-occurring 434 operator sites in that it contains a non-consensus base pair, G.C, at the fourth position of the otherwise invariant 5'-ACAA sequence. Comparisons among structures of the 434 repressor DNA-binding domain, R1-69, bound to various operator sites, allow us to analyze differential specificity in regulatory complexes of this kind. RESULTS: We have determined the structure at 2.5 A resolution of a complex of R1-69 with DNA containing the OR3 site and compared it with previously studied complexes of R1-69 bound to OR1 and OR2. There are surprisingly extensive structural differences between the consensus and non-consensus half-sites of OR3 with respect to their interactions with R1-69, including a shift in the DNA backbone and a small rotation of the entire R1-69 monomer. CONCLUSIONS: Recognition of the base pair difference that is critical for the 434 regulatory switch involves a number of amino acid residues, not just the one or two side chains in direct contact with the G-C base pair. Moreover, the repressor imposes a somewhat altered DNA conformation on the non-consensus half-site.

Amino Acid Sequence↗
PubMed1993

European consensus statement on the prevention of venous thromboembolism. European Consensus Conference, Windsor, U.K., November, 1991.

Since the Consensus Conference of the National Institute of Health in 1986, the developments in the field of prevention of venous thromboembolism were mainly characterized by a more specific and extended use of new prophylactic agents such as low molecular weight heparins as well as the perception that outpatients may be at risk for thromboembolic complications, too. Therefore, in November 1991, a European Consensus Conference on the prevention of thromboembolism was held in Windsor, UK, in order to analyse the risk constellation of various patient populations and to give recommendations for primary prophylaxis in general surgery, urology, neurosurgery, orthopaedic and trauma surgery, obstetrics and gynaecology and medical patients. In addition, the cost-effectiveness of the various methods was highlighted, and the question of secondary prevention addressed. The meeting was organized under the patronage of the European Economic Commission, and experts from 15 different countries were invited to participate. The conference was organized according to acknowledged guidelines of consensus conference organization, i.e. each expert had to formulate his provisional standpoint, the working documents were compiled by the organizer, and this file was sent to the delegates before the conference. During the first part of the meeting, the delegates presented their views in plenary sessions. Controversial points were discussed in working groups, and the results were discussed in plenary sessions. Consensus or lack of accord was documented and the open questions were formulated in order to be answered by future studies. The published statements and recommendations are based on different levels of evidence.(ABSTRACT TRUNCATED AT 250 WORDS)

Clinical Trials as Topic↗
PubMedDate not supplied

[Consensus doesn't always mean agreement: limitations of consensus methods in health services].

Taking decisions in uncertain situations has led to a high use of the consensus methods (Nominal Group Technique, Delphi Method, and Consensus Conferences) in the health services. The review made in this article shows that the appropriate use of these techniques requires a high degree of methodologic precision, especially in relation to the financer's declaration of objectives, the appropriate selection of the participants, previous realization of a synthesis of the preexistent information, the definition of the agreement degree which leads to the consensus and in the evaluation of its impact.

Centers for Disease Control and Prevention, U.S.↗
PubMed1994

In vitro binding of the two-finger repressor CreA to several consensus and non-consensus sites at the ipnA upstream region is context dependent.

The two zinc-fingers of the Aspergillus nidulans repressor CreA recognize the consensus hexanucleotide 5'-SYGGRG-3'. We have determined all the CreA binding sites in a approximately 2 kb region upstream the ipnA gene. Our analysis shows that (i) CreA binds to certain consensus sites in a context-dependent manner; (ii) five non-consensus 6-bp sequences are also recognized by CreA; this non-canonical binding correlates with the presence of a second, neighbouring CreA binding site, suggesting that recognition of two linked sites stabilizes CreA binding. Our results suggest that the binding possibilities of CreA might be more complex than originally envisaged.

Aspergillus nidulans↗
PubMed1999

Add-back therapy and gonadotropin-releasing hormone agonists in the treatment of patients with endometriosis: can a consensus be reached? Add-Back Consensus Working Group.

OBJECTIVE: To reach a consensus on the role of add-back therapy for patients with endometriosis administered GnRH agonists (GnRH-a). DESIGN: Results of consensus conference reviewing MEDLINE search of English language abstracts of both prospective and retrospective series. SETTING: Consensus conference of 31 specialists in gynecologic surgery and reproductive endocrinology. PATIENT(S): Patients with symptomatic endometriosis who were candidates for GnRH-a therapy in treatment courses ranging in duration from 6 to 12 months. INTERVENTION(S): Oral steroidal and nonsteroidal add-back regimens. MAIN OUTCOME MEASURE(S): Alteration in painful symptoms, extent of disease, vasomotor symptoms, bone mineral density, and serum lipid profile. RESULT(S): When added to GnRH-a for 6 months, both 2.5 mg of norethindrone and 0.625 mg of conjugated equine estrogens with 5 mg/d of medroxyprogesterone acetate provide effective relief of vasomotor symptoms and decrease but do not eliminate bone mineral density loss. During 12 months of GnRH-a therapy, bone mineral density loss is eliminated effectively with an add-back of 5 mg of norethindrone acetate alone or in conjunction with low-dose conjugated equine estrogens. Organic bisphosphonates also may play a role. CONCLUSION(S): In patients with symptomatic endometriosis, the efficacy of GnRH agonists may be preserved and therapy prolonged while overcoming hypoestrogenic side effects with the use of appropriate add-back regimens.

Bone Density↗
PubMed1999

Priorities for research in Emergency Medical Services for Children: results of a consensus conference. EMSC Research Agenda Consensus Committee, National EMSC Resource Alliance.

STUDY OBJECTIVE: The study objective was to arrive at a consensus on the priorities for future research in Emergency Medical Services for Children (EMSC). METHODS: A consensus group was convened using the Rand'-UCLA Consensus Process. The group took part in a 3-phase process. Phase I involved reviewing a compendium of relevant research articles and answering a mailed questionnaire. Panel members were asked to prioritize topics based on the 1993 Institute of Medicine Report on Emergency Medical Services for Children. Participants were asked to rate each topic based on the significance of the research and whether the topic would (1) improve general knowledge, (2) change behavior, (3) improve health, (4) decrease the cost of care, or (5) change public policy. A 4-point Likert scale was used. They were also asked in the research would require a multicenter study and if the research were feasible. Round II of the study involved a meeting of the panel, where the results of Round I were discussed and the topics reprioritized. The topics were given a rank order and a final ranking was done in Round III. RESULTS: The panel considered a list of 32 topics and these were combined and reworded to give them more precise meaning. Several new topics were also added. Fifteen topics were given a rank order and placed within the 7 broad categories of the Institute of Medicine report. Clinical aspects of emergency care systems organization, configuration and operation and injury prevention were given high priority rankings. The first 5 topics were very close in point-rank order. CONCLUSION: The panel was able to develop a list of important topics for future research in EMSC that can be used by foundations, governmental agencies, and others in setting a research agenda for EMSC.

Child↗
PubMed1995

A shared effort toward better quality of care. The Consensus Conference on Breast Cancer Follow-up. Consensus Conference Organizing Committee.

BACKGROUND: Even though several radiological and laboratory tests are currently used in clinical practice for breast cancer surveillance, the benefits of early detection of distant metastases have never been established. Two recently published randomized clinical trials assessing the effectiveness of an intensive follow-up strategy (with periodic clinical examination, mammography, bone scan, liver echography, chest-X-ray and laboratory tests) over a minimalist one (including only periodic clinical examination and mammography) failed to show a significant advantage for the more intensive policy. Intensive follow-up, however, is quite common in clinical practice. AIM OF THE CONSENSUS CONFERENCE: To contribute to the definition of the state of the art in this field and develop recommendations for follow-up in clinical practice. CONDUCT OF THE CONSENSUS CONFERENCE: A Jury, including representatives from all the relevant stakeholders, (professional societies, patients and consumer associations, epidemiologists, health economists and administrators) was convened to critically appraise and interpret available scientific evidence and the information provided by three specific working groups which had the task of examining the clinical, economic and psyco-social aspects of breast cancer follow-up, respectively. CONCLUSIONS: This conference was planned to make explicit and properly represent the viewpoints of all the stakeholders. Furthermore, special efforts were devoted to the development of final recommendations in sufficient detail so as to provide a significant aid for decision-making in clinical practice. It is argued that the Consensus Conference model, designed to elicit and represent the interpretation of scientific evidence by all the stakeholders, would be useful for the development of clinical policies more in line with societal values.

Breast Neoplasms↗
PubMed1999

Consensus statements on radiation therapy of prostate cancer: guidelines for prostate re-biopsy after radiation and for radiation therapy with rising prostate-specific antigen levels after radical prostatectomy. American Society for Therapeutic Radiology and Oncology Consensus Panel.

PURPOSE: To develop evidence-based guidelines for (1) prostate re-biopsy after radiation and (2) radiation therapy with rising prostate-specific antigen (PSA) levels after radical prostatectomy in the management of patients with localized prostatic cancer. DESIGN: The American Society of Therapeutic Radiology and Oncology (ASTRO) challenged a multidisciplinary consensus panel to address consensus on specific issues in each of the two topics. Four well-analyzed patient data sets were presented for review and questioning by the panel. The panel sought criteria that would be valid for patients in standard clinical practice as well as for patients enrolled in clinical trials. Subsequent to an executive session that followed these presentations, the panel presented its consensus guidelines. RESULTS AND CONCLUSIONS: Based on the data presented, the prostate re-biopsy negative rates ranged from 62% to 80% for patients with stage T1-2 tumors. The panel judged that prostate re-biopsy is not necessary as standard follow-up care and that the absence of a rising PSA level after radiation therapy is the most rigorous end point of total tumor eradication. Further, the panel judged that re-biopsy may be an important research tool. Based on the data presented, the long-term (5 years or more) PSA remission rate after salvage radiation therapy ranges from 27% to 45%. The panel requested results from prospective randomized trials to evaluate optimally this information. The panel judged that the total dose of radiation should be 64 Gy or slightly higher and that, in patients with or without radiation therapy, there is no standard role for androgen suppressant therapy for rising PSA values after prostatectomy.

Biopsy↗
PubMed1996

Guidelines for the use of nebulizers in the home and at domiciliary sites. Report of a consensus conference. National Association for Medical Direction of Respiratory Care (NAMDRC) Consensus Group.

Guidelines for the use of nebulizers outside of the hospital were developed at the request of the Health Care Financing Administration (HCFA) to assist in the preparation of Medicare criteria for reimbursement. The National Association for Medical Direction of Respiratory Care (NAMDRC) convened a consensus conference in Leesburg, Va, with physician representatives from the major medical organizations involved in adult and pediatric respiratory care. Members of the health-care industry also were invited to participate. After review of the pertinent references, members of the faculty were preassigned topics for presentations during the first day of the meeting. Three workshops were organized to address segments of the consensus statement and to develop written reports. Each report was reviewed by the entire group and then finalized. The Consensus Conference recommends that a metered-dose inhaler (MDI) with reservoir chamber is the preferred mode of aerosol therapy for patients outside of the hospital. The circumstances under which a small-volume nebulizer (SVN) may be appropriate are described. The medications that may be administered by SVN are identified with recommendations as to the usual doses to be prescribed. A cost analysis of the various modes of aerosol therapy is presented. These guidelines should be of value to physicians who are prescribing aerosol therapy in the home and also to policy makers who are developing guidelines for reimbursement.

Ambulatory Care↗
PubMed2006

Holiday waistline. Time to consensus: the effect of the stomach on consensus decision-making at large conferences.

INTRODUCTION: The factors affecting decision-making at consensus conferences are not well understood. This paper studies the complex association between time to consensus (TTC) and the timing and quality of food, as well as the self-reported level of frustration (PITA factor) with the question at hand. METHODS: We came, we saw, we ate. RESULTS: There was an association between the TTC and the time to eating, especially lunch. There was a trend to faster TTC the better the researchers rated the food. The speed of decision-making was also increased when the PITA score was high, especially late in the day. INTERPRETATION: Organizers of large consensus conferences need to be aware of these factors in decision-making and should try to use them to get more controversial items voted to their satisfaction.

Consensus Statements as Topic↗
PubMed2006

Perinatal care at the borderlines of viability: a consensus statement based on a NSW and ACT consensus workshop.

Perinatal care at the borderlines of viability demands a delicate balance between parents' wishes and autonomy, biological feasibility, clinicians' responsibilities and expectations, and the prospects of an acceptable long-term outcome - coupled with a tolerable margin of uncertainty. A multi-professional workshop with consumer involvement was held in February 2005 to agree on management of this issue in New South Wales and the Australian Capital Territory. Participants discussed and formulated consensus statements after an extensive consultation process. Consensus was reached that the "grey zone" is between 23 weeks' and 25 weeks and 6 days' gestation. While there is an increasing obligation to treat with increasing length of gestation, it is acceptable medical practice not to initiate intensive care during this period if parents so wish, after appropriate counselling. Poor condition at birth and the presence of serious congenital anomalies have an important influence on any decision not to initiate intensive care within the grey zone. Women at high risk of imminent delivery within the grey zone should receive appropriate and skilled counselling with the most relevant up-to-date outcome information. Management plans can thus be made before birth. Information should be simple, factual and consistent. The consensus statements developed will provide a framework to assist parents and clinicians in communication, decision making and managing these challenging situations.

Australian Capital Territory↗
PubMed1999

Canadian Asthma Consensus Report, 1999. Canadian Asthma Consensus Group.

OBJECTIVES: To provide physicians with current guidelines for the diagnosis and optimal management of asthma in children and adults, including pregnant women and the elderly, in office, emergency department, hospital and clinic settings. OPTIONS: The consensus group considered the roles of education, avoidance of provocative environmental and other factors, diverse pharmacotherapies, delivery devices and emergency and in-hospital management of asthma. OUTCOMES: Provision of the best control of asthma by confirmation of the diagnosis using objective measures, rapid achievement and maintenance of control and regular follow-up. EVIDENCE: The key diagnostic and therapeutic recommendations are based on the 1995 Canadian guidelines and a critical review of the literature by small groups before a full meeting of the consensus group. Recommendations are graded according to 5 levels of evidence. Differences of opinion were resolved by consensus following discussion. VALUES: Respirologists, immunoallergists, pediatricians and emergency and family physicians gave prime consideration to the achievement and maintenance of optimal control of asthma through avoidance of environmental inciters, education of patients and the lowest effective regime of pharmacotherapy to reduce morbidity and mortality. BENEFITS, HARMS AND COSTS: Adherence to the guidelines should be accompanied by significant reduction in patients' symptoms, reduced morbidity and mortality, fewer emergency and hospital admissions, fewer adverse side-effects from medications, better quality of life for patients and reduced costs. RECOMMENDATIONS: Recommendations are included in each section of the report. In summary, after a diagnosis of asthma is made based on clinical evaluation, including demonstration of variable airflow obstruction, and contributing factors are identified, a treatment plan is established to obtain and maintain optimal asthma control. The main components of treatment are patient education, environmental control, pharmacotherapy tailored to the individual and regular follow-up. VALIDATION: The recommendations were distributed to the members of the Canadian Thoracic Society Asthma and Standards Committees, as well as members of the board of the Canadian Thoracic Society. In addition, collaborating groups representing the Canadian Association of Emergency Physicians, the Canadian College of Family Physicians, the Canadian Paediatric Society and the Canadian Society of Allergy and Immunology were asked to validate the recommendations. The recommendations were discussed at regional meetings throughout Canada. They were also compared with the recommendations of other similar groups in other countries. DISSEMINATION AND IMPLEMENTATION: An implementation committee has established a strategy for disseminating these guidelines to physicians, other health professionals and patients and for developing tools and means that will help integrate the recommendations into current asthma care. The plan is outlined in this report.

Adolescent↗