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Noise and hearing loss.

The National Institutes of Health Consensus Development Conference on Noise and Hearing Loss brought together biomedical and behavioral scientists, health care providers, and the public to address the characteristics of noise-induced hearing loss, acoustic parameters of hazardous noise exposure, individual and age-specific susceptibility, and prevention strategies. Following a day and a half of presentations by experts and discussion by the audience, a consensus panel weighed the evidence and prepared a consensus statement. Among their findings, the panel concluded that sounds of sufficient intensity and duration will damage the ear and result in temporary or permanent hearing loss at any age. Sound levels of less than 75 dB(A) are unlikely to cause permanent hearing loss, while sound levels above 85 dB(A) with exposures of 8 hours per day will produce permanent hearing loss after many years. Current scientific knowledge is inadequate to predict that any particular individual will be safe when exposed to a hazardous noise. Strategies to prevent damage from sound exposure should include the use of individual hearing protection devices, education programs beginning with school-age children, consumer guidance, increased product noise labeling, and hearing conservation programs for occupational settings. The full text of consensus panel's statement follows.

Aging↗

Diagnosis and treatment of early melanoma. NIH Consensus Development Conference. January 27-29, 1992.

The National Institutes of Health Consensus Development Conference on Diagnosis and Treatment of Early Melanoma brought together experts in dermatology, pathology, epidemiology, public education, surveillance techniques, and potential new technologies as well as other health care professionals and the public to address (1) the clinical and histological characteristics of early melanoma; (2) the appropriate diagnosis, management, and followup of patients with early melanoma; (3) the role of dysplastic nevi and their significance; and (4) the role of education and screening in preventing melanoma morbidity and mortality. Following 2 days of presentations by experts and discussion by the audience, a consensus panel weighted the scientific evidence and prepared their consensus statement. Among their findings, the panel recommended that (1) melanoma in situ is a distinct entity effectively treated surgically with 0.5 centimeter margins; (2) thin invasive melanoma, less than 1 millimeter thick has the potential for long-term survival in more than 90 percent of patients after surgical excision with a 1 centimeter margin; (3) elective lymph node dissections and extensive staging evaluations are not recommended in early melanoma; (4) patients with early melanoma are at low risk for relapse but may be at high risk for development of subsequent melanomas and should be followed closely; (5) some family members of patients with melanoma are at increased risk for melanoma and should be enrolled in surveillance programs; and (6) education and screening programs have the potential to decrease morbidity and mortality from melanoma. The full text of the consensus panel's statement follows.

Dysplastic Nevus Syndrome↗

Optimal management of the morbidly obese patient. SAGES appropriateness conference statement.

BACKGROUND: Obesity is a growing health problem that contributes to numerous life-threatening or disabling disorders, including coronary artery disease, hypertension, type 2 diabetes mellitus, hyperlipidemia, degenerative joint disease, and obstructive sleep apnea. Significant weight reduction in the morbidly obese improves or reverses associated illness and benefits well-being. The purpose of the SAGES Appropriateness Conference was to summarize the state of the art for open and laparoscopic operations for the morbidly obese. METHODS: The English literature comparing bariatric procedures was reviewed and grouped by level of evidence by three surgeons (BS, LV, and CC). From more than 1,500 articles, all conference participants were provided with reprints and table summaries of no less than 50 selected manuscripts. Ten experts were requested to present reviews and make evidence-based arguments for and against the open and laparoscopic approaches in written format. An expert panel of six surgeons, including an ethicist and patient, commented on implications of data presented. The finalized statement was e-mailed to all participants for approval and comment. RESULTS: Consensus statements were achieved on various aspects of morbid obesity, including indications for surgery, resolution of comorbid illnesses with significant weight loss, and the importance of committed bariatric program. Our panel of experts agreed, in general, to the advantages of laparoscopic approaches compared to open operations in skilled hands. CONCLUSIONS: Laparoscopic Roux-en-Y gastric bypass (RYGB) affords improved short-term recovery compared to open gastric bypass. Laparoscopic adjustable banding can be performed with lower average mortality than either RYGB or any of the malabsorptive operations, and it produces variable degrees of short-term weight loss. Prospective randomized trials are needed to compare gastric bypass, malabsorptive, and restrictive procedures.

Aftercare↗

Metabolic aspects of oral contraceptives of relevance for cardiovascular disease. First European conference on sex steroids and metabolism.

The use of estrogens and progestogens in oral contraceptives has caused increased awareness of the metabolic effects of gonadal steroids. The interpretation of the accumulating number of scientific reports is, however, difficult. In particular, the overall picture of metabolic changes and their relation to the risk of cardiovascular diseases is confusing. Multiple risk factors may influence the development of cardiovascular diseases, which might have their origins in both the arterial and venous systems. Oral contraceptives may influence various of these risk factors, including changes in lipid, carbohydrate and hemostasis variables, and these risk factors in turn show clear inter-relationships. The First European Conference on Sex Steroids and Metabolism took place in May 1989. The Conference provided a platform for the Consensus Development Meeting which followed it. Based on questions formulated by the Consensus Committee which considered epidemiologic, carbohydrate, lipid and hemostasis aspects of relevance for the development of cardiovascular diseases, consensus statements were prepared in closed sessions by a panel of invited experts. The Consensus Report provides pertinent clinical guidelines for future contraceptive practice. A synopsis of the discussion and the concluding remarks will be presented regarding the influence of new low-dose oral contraceptives on hemostasis variables and on glucose and lipid metabolism.

Carbohydrate Metabolism↗

Towards consensus in the long-term management of relapse prevention in schizophrenia.

APPROACH TO DEVELOPING GUIDANCE: When developing guidance for the long-term management of schizophrenia, one approach is to adopt a proactive strategy that sets out clear treatment goals and strategies. This should involve a broad view being taken, embracing overall mental and physical well-being rather than simply the absence of illness. Although relapse prevention is an important goal of any long-term management strategy, there are other aspects that need to be considered, such as reintegration into society, regaining independence and quality of life. CURRENT TREATMENT: To help achieve these goals, a range of interventions can be incorporated into long-term management strategies for schizophrenia, including pharmacological interventions, psychosocial therapies and alliance-building initiatives. The current UK National Institute for Clinical Excellence guidelines already recommend that continuous therapy should be practised using an atypical (second-generation) antipsychotic drug, whenever possible, in preference to older typical drugs. The launch of the first long-acting atypical antipsychotic is an interesting new advance that may benefit many patients with schizophrenia. Psychosocial interventions, particularly family-based therapies, as well as cognitive behavioural and compliance therapies, when used alongside antipsychotics, have been shown to reduce relapse rates dramatically and to assist in social reintegration. In addition, forging collaborative alliances with patients and their carers can help to demystify schizophrenia and empower patients to take responsibility for their illness. CONSENSUS STATEMENT: This article outlines a consensus reached by a panel of leading UK healthcare professionals working with schizophrenia brought together to discuss long-term management strategies.

Antipsychotic Agents↗

Evaluation of a workshop on Public Education Messages for Reducing Health Risks from Ultraviolet Radiation.

The objective of this paper is to assess the impact of the 1994 Workshop on Public Education Messages for Reducing Health Risks from Ultraviolet Radiation (UVR). The target audience was any organization in Canada doing education on the health risks of UVR. A mailed survey with telephone follow-up was distributed to 130 addresses, including workshop participants, recipients of the workshop report and 40 local public health units. The response rate was 62%. Public health messages from the workshop served as an added impetus or helped to initiate activities around UVR in approximately 40% of organizations over the two years since the workshop. The public health messages were used directly in programming by approximately 38% of all organizations responding. However, looking at those who had previously seen the messages, 61% used them directly in programming. Forty percent of those sampled had never seen a copy of the messages. The results suggest the need for improved dissemination of consensus statements.

Canada↗

Anthrax as a biological weapon: medical and public health management. Working Group on Civilian Biodefense.

OBJECTIVE: To develop consensus-based recommendations for measures to be taken by medical and public health professionals following the use of anthrax as a biological weapon against a civilian population. PARTICIPANTS: The working group included 21 representatives from staff of major academic medical centers and research, government, military, public health, and emergency management institutions and agencies. EVIDENCE: MEDLINE databases were searched from January 1966 to April 1998, using the Medical Subject Headings anthrax, Bacillus anthracis, biological weapon, biological terrorism, biological warfare, and biowarfare. Review of references identified by this search led to identification of relevant references published prior to 1966. In addition, participants identified other unpublished references and sources. CONSENSUS PROCESS: The first draft of the consensus statement was a synthesis of information obtained in the formal evidence-gathering process. Members of the working group provided formal written comments which were incorporated into the second draft of the statement. The working group reviewed the second draft on June 12, 1998. No significant disagreements existed and comments were incorporated into a third draft. The fourth and final statement incorporates all relevant evidence obtained by the literature search in conjunction with final consensus recommendations supported by all working group members. CONCLUSIONS: Specific consensus recommendations are made regarding the diagnosis of anthrax, indications for vaccination, therapy for those exposed, postexposure prophylaxis, decontamination of the environment, and additional research needs.

Adolescent↗

Smallpox as a biological weapon: medical and public health management. Working Group on Civilian Biodefense.

OBJECTIVE: To develop consensus-based recommendations for measures to be taken by medical and public health professionals following the use of smallpox as a biological weapon against a civilian population. PARTICIPANTS: The working group included 21 representatives from staff of major medical centers and research, government, military, public health, and emergency management institutions and agencies. Evidence The first author (D.A.H.) conducted a literature search in conjunction with the preparation of another publication on smallpox as well as this article. The literature identified was reviewed and opinions were sought from experts in the diagnosis and management of smallpox, including members of the working group. CONSENSUS PROCESS: The first draft of the consensus statement was a synthesis of information obtained in the evidence-gathering process. Members of the working group provided formal written comments that were incorporated into the second draft of the statement. The working group reviewed the second draft on October 30, 1998. No significant disagreements existed and comments were incorporated into a third draft. The fourth and final statement incorporates all relevant evidence obtained by the literature search in conjunction with final consensus recommendations supported by all working group members. CONCLUSIONS: Specific recommendations are made regarding smallpox vaccination, therapy, postexposure isolation and infection control, hospital epidemiology and infection control, home care, decontamination of the environment, and additional research needs. In the event of an actual release of smallpox and subsequent epidemic, early detection, isolation of infected individuals, surveillance of contacts, and a focused selective vaccination program will be the essential items of an effective control program.

Biological Warfare↗

Plague as a biological weapon: medical and public health management. Working Group on Civilian Biodefense.

OBJECTIVE: The Working Group on Civilian Biodefense has developed consensus-based recommendations for measures to be taken by medical and public health professionals following the use of plague as a biological weapon against a civilian population. PARTICIPANTS: The working group included 25 representatives from major academic medical centers and research, government, military, public health, and emergency management institutions and agencies. EVIDENCE: MEDLINE databases were searched from January 1966 to June 1998 for the Medical Subject Headings plague, Yersinia pestis, biological weapon, biological terrorism, biological warfare, and biowarfare. Review of the bibliographies of the references identified by this search led to subsequent identification of relevant references published prior to 1966. In addition, participants identified other unpublished references and sources. Additional MEDLINE searches were conducted through January 2000. CONSENSUS PROCESS: The first draft of the consensus statement was a synthesis of information obtained in the formal evidence-gathering process. The working group was convened to review drafts of the document in October 1998 and May 1999. The final statement incorporates all relevant evidence obtained by the literature search in conjunction with final consensus recommendations supported by all working group members. CONCLUSIONS: An aerosolized plague weapon could cause fever, cough, chest pain, and hemoptysis with signs consistent with severe pneumonia 1 to 6 days after exposure. Rapid evolution of disease would occur in the 2 to 4 days after symptom onset and would lead to septic shock with high mortality without early treatment. Early treatment and prophylaxis with streptomycin or gentamicin or the tetracycline or fluoroquinolone classes of antimicrobials would be advised.

Anti-Bacterial Agents↗

NIMH/NIH Consensus Development Conference statement. Mood disorders: pharmacologic prevention of recurrences. Consensus Development Panel.

This report represents the consensus of a panel of representatives from psychiatry, psychology, pharmacology, epidemiology, internal medicine, and the general public regarding the use of pharmacologic agents to prevent recurrences of mood disorders. The panel concluded that recurrent mood disorders, which have a high prevalence and serious consequences, are underdiagnosed and undertreated. Applying appropriate strategies to the management and use of pharmacologic agents will enhance the likelihood of compliance and the prevention of recurrence with a minimum of bothersome side effects. Such strategies should be used within the context of a supportive relationship among doctor, patient, and family.

Antidepressive Agents, Tricyclic↗

Consensus conferences must include a systematic search and categorization of the evidence.

BACKGROUND: Ideally, a consensus panel combines expert knowledge with external evidence derived from the literature. To date, many consensus conferences do not use a structured approach to search the literature, but simply compile an add-on reference list from all papers cited by the panelists. This study examined how well such panelists retrieved the relevant literature. METHODS: We used the reference lists of nine surgeons who took part in a consensus conference on common bile duct stones. We included all papers that were referred to as randomized controlled trials (RCTs). We then compared this list with a database search in order to calculate sensitivity and specificity. RESULTS: The nine experts cited between 35 and 518 papers, but only eight papers on average were RCTs. Of the 49 papers that the experts believed to be RCTs, only 23 actually were RCTs. The sensitivity resp. specificity for correctly identifying an RCT was 0.21 (95% Cl, 0.11-0.30) resp. 0.80 (95% Cl; 0.64-0.95). RCTs that included the word "randomized" in their title were significantly more likely to be identified (relative risk, 1.31; 95% Cl, 1.18-1.45). CONCLUSION: Our data indicate that consensus panelists usually do not perform systematic literature searches, but simply use their favorite papers to back up their arguments. Because this may lead to a biased selection of the evidence base on which the consensus statements are founded, a systematic search of all relevant articles should become a mandatory task in any consensus or guideline process.

Consensus Statements as Topic↗

National Institutes of Health Consensus Development Conference Statement: cervical cancer, April 1-3, 1996. National Institutes of Health Consensus Development Panel.

OBJECTIVE: The objective was to provide physicians and the general public with a responsible assessment of current screening, prevention, and treatment approaches to cervical cancer. PARTICIPANTS: A non-Federal, nonadvocate, 13-member panel representing the fields of obstetrics and gynecology, gynecologic oncology, radiation oncology, and epidemiology participated. In addition, 28 experts in obstetrics and gynecology, gynecologic oncology, radiation oncology, gynecologic surgery, and psychology presented data to the panel and a conference audience of 500. EVIDENCE: The literature was searched through Medline, and an extensive bibliography of references was provided to the panel and the conference audience. Experts prepared abstracts with relevant citations from the literature. Scientific evidence was given precedence over clinical anecdotal experience. CONSENSUS PROCESS: The panel, answering predefined questions, developed their conclusions based on the scientific evidence presented in open forum and the scientific literature. The panel composed a draft statement that was read in its entirety and circulated to the experts and the audience for comment. Thereafter, the panel resolved conflicting recommendations and released a revised statement at the end of the conference. The panel finalized the revisions within a few weeks after the conference. CONCLUSIONS: Carcinoma of the cervix is causally related to infection with the human papillomavirus (HPV). Reducing the rate of HPV infection by changes in sexual behaviors in young people and/or through the development of an effective HPV vaccine would reduce the incidence of this disease. Papanicolaou smear screening remains the best available method of reducing the incidence of and mortality from invasive cervical cancer. Persons with stage IA1 disease have a high cure rate with either simple hysterectomy or, where fertility preservation is an issue, by cone biopsy with clear margins. For patients with other stage I or stage IIA disease, radical surgery or radiation treatment is equally effective. These patients should be carefully selected to receive one treatment or the other but not both, because their combined use substantially increases the cost of and morbidity from treatment. Women with more advanced, nonmetastatic disease should be treated with radiation. Recurrent cervical cancer confined to the pelvis should be treated with the modality not previously received. Radiation therapy is recommended to palliate symptoms in patients with metastatic disease.

Female↗

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↗

Statement on guidelines for total parenteral nutrition. The Patient Care Committee of the American Gastroenterological Association.

This is one of a series of clinical guidelines. They represent a consensus statement dealing with optimum patient care in significant clinical areas. The statement has been prepared by the Patient Care Committee, with the advice of other experts and with peer review. As with all such guidelines, they should be interpreted in a nondogmatic manner, so as not to exclude other therapies or opinions in any particular situation. Based on present knowledge, limited at times, future modifications or other changes in these guidelines may be necessary.

Gastroenterology↗

See one, do one, teach one: advanced technology in medical education.

UNLABELLED: The concept of "learning by doing" has become less acceptable, particularly when invasive procedures and high-risk care are required. Restrictions on medical educators have prompted them to seek alternative methods to teach medical knowledge and gain procedural experience. Fortunately, the last decade has seen an explosion of the number of tools available to enhance medical education: web-based education, virtual reality, and high fidelity patient simulation. This paper presents some of the consensus statements in regard to these tools agreed upon by members of the Educational Technology Section of the 2004 AEM Consensus Conference for Informatics and Technology in Emergency Department Health Care, held in Orlando, Florida. FINDINGS: Web-based teaching: 1) Every ED should have access to medical educational materials via the Internet, computer-based training, and other effective education methods for point-of-service information, continuing medical education, and training. 2) Real-time automated tools should be integrated into Emergency Department Information Systems [EDIS] for contemporaneous education. Virtual reality [VR]: 1) Emergency physicians and emergency medicine societies should become more involved in VR development and assessment. 2) Nationally accepted protocols for the proper assessment of VR applications should be adopted and large multi-center groups should be formed to perform these studies. High-fidelity simulation: Emergency medicine residency programs should consider the use of high-fidelity patient simulators to enhance the teaching and evaluation of core competencies among trainees. CONCLUSIONS: Across specialties, patient simulation, virtual reality, and the Web will soon enable medical students and residents to... see one, simulate many, do one competently, and teach everyone.

Career Choice↗

Background to Eusoma guidelines and statements.

The European Society of Mastology (Eusoma) is committed in writing and diffusing guidelines on Breast Cancer, aiming at harmonising the quality of Breast Cancer care throughout Europe. To achieve this Eusoma organises scientific meetings, "workshops" or "Consensus meeting", inviting European experts from the different disciplines involved in the multidisciplinary management of Breast Cancer patients, to give their contribution in drafting "guidelines" or "consensus statements". In this regard Eusoma Executive Committee members found it appropriate to define the rules to organise its scientific meetings and to write the documents resulting from these meetings, i.e guidelines or statements. This will guarantee an homogeneity in the meeting organisations and in drawing up the scientific documents.

Breast Neoplasms↗