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It is essential that the medical profession play a central role in critically evaluating the evidence related to drugs, devices, and procedures for the detection, management, or prevention of disease. Properly applied, rigorous, expert analysis of the available data documenting absolute and relative benefits and risks of these therapies and procedures can improve outcomes and reduce costs of care by focusing resources on the most effective strategies. One important use of such data is the production of clinical practice guidelines which, in turn, can provide a foundation for a variety of other applications such as performance measures, appropriate use criteria, clinical decision support tools, and quality improvement tools. The American College of Cardiology Foundation (ACCF) and the American Heart Association (AHA) have jointly engaged in the production of guidelines in the area of cardiovascular disease since 1980. The ACCF/AHA Task Force on Practice Guidelines is charged with developing, updating, and revising practice guidelines for cardiovascular diseases and procedures, and the Task Force directs and oversees this effort. Writing committees are charged with assessing the evidence as an independent group of authors to develop, update, or revise recommendations for clinical practice. Experts in the subject under consideration have been selected from both organizations to examine subject-specific data and write guidelines in partnership with representatives from other medical practitioner and specialty groups. Writing committees are specifically charged to perform a formal literature review, weigh the strength of evidence for or against particular treatments or procedures, and include estimates of expected health outcomes where data exist. Patient-specific modifiers, comorbidities, and issues of patient preference that may influence the choice of tests or therapies are considered. When available, information from studies on cost is considered, but data on efficacy and clinical outcomes constitute the primary basis for recommendations in these guidelines. The ACCF/AHA Task Force on Practice Guidelines makes every effort to avoid actual, potential, or perceived conflicts of interest that may arise as a result of industry relationships or personal interests among the writing committee. Specifically, all members of the writing committee, as well as peer reviewers of the document, are asked to disclose all current relationships and those 24 months prior to initiation of the writing effort that may be perceived as relevant. All guideline recommendations require a confidential vote by the writing committee and must be approved by a consensus of the members voting. Members who were recused from voting are noted on the title page of this document. Members must recuse themselves from voting on any recommendation where their relationships with industry (RWI) and other entities apply. If a writing committee member develops a new relationship with industry during his/her tenure, he/she is required to notify guideline staff in writing. These statements are reviewed by the Task Force on Practice Guidelines and all members during each conference call and/or meeting of the writing committee, updated as changes occur, and ultimately published as an appendix to the document. For detailed information regarding guideline policies and procedures, please refer to the methodology manual for ACCF/AHA Guideline Writing Committees. 1 RWI and other entities pertinent to this guideline for authors and peer reviewers are disclosed in Appendixes 1 and 2, respectively. Disclosure information for the ACCF/AHA Task Force on Practice Guidelines is also available online at http://www.acc.org/about/overview/ClinicalDocumentsTaskForces.cfm. These practice guidelines are intended to assist healthcare providers in clinical decision making by describing a range of generally acceptable approaches for diagnosis, management, and prevention of specific diseases or conditions. Clinicians should consider the quality and availability of expertise in the area where care is provided. These guidelines attempt to define practices that meet the needs of most patients in most circumstances. The recommendations reflect a consensus after a thorough review of the available current scientific evidence and are intended to improve patient care. The Task Force recognizes that situations arise where additional data are needed to better inform patient care; these areas will be identified within each respective guideline when appropriate. Patient adherence to prescribed and agreed upon medical regimens and lifestyles is an important aspect of treatment. Prescribed courses of treatment in accordance with these recommendations are effective only if they are followed. Because lack of patient understanding and adherence may adversely affect outcomes, physicians and other healthcare providers should make every effort to engage the patient's active participation in prescribed medical regimens and lifestyles. If these guidelines are used as the basis for regulatory or payer decisions, the goal should be improvement in quality of care and aligned with the patient's best interest. The ultimate judgment regarding care of a particular patient must be made by the healthcare provider and the patient in light of all of the circumstances presented by that patient. Consequently, are circumstances in from these guidelines are appropriate. The guidelines will be reviewed by the ACCF/AHA Task Force on Practice Guidelines and current they are or from The guidelines are in the issues of the of the American College of Cardiology and Task Force on Practice Guidelines ACCF/AHA Task Force Guidelines The writing committee a of the medical and scientific literature the use of were to in the were reviewed and additional were by committee were on the and of the and and and disease and patient disease and and and or and were with used as the primary evidence for the The ACCF/AHA Task Force on Practice Guidelines methodology were to write the and published in in were used as the evidence were used only for information but were used in the of The committee reviewed and evidence current recommendations with the of evidence as if the data were from clinical or The committee available evidence as when data were from a or as when the primary of the recommendation consensus or of care. the of these evidence is generally presented in of are identified as or For for data are available, recommendations are on expert consensus and clinical and are as is the use of for where are and treatment is on clinical When recommendations at are by clinical appropriate clinical are if For issues where data are available, a of current practice among the on the writing committee the basis for recommendations and are The for of recommendations and of evidence is in also the an of the of the treatment and an of the of the treatment provide with a of the in treatment of clinical are presented to of the absolute needed to the relative treatment are as relative or on the in the with all other for those are when The writing committee that the evidence for this guideline is in of clinical prior ACCF/AHA those on disease and the will of the evidence for this of studies and from with a interest in specific of disease. The writing committee to on the practitioner with recommendations for and treatment and where identified as such in the The writing committee the expertise of the and effective practice guidelines staff of the and The writing committee also the and of the writing committee members who were to issues of specialty and on the medical with a guideline at patient care. The guideline by a committee of in cardiovascular and For of the ACCF/AHA practice writing expertise been available within these Because of the and of as well as the who such the and from specialty but specialty organizations that the for patients with diseases writing committee members and support of the and they are as with the and These organizations the American Association for American College of American Association of for and of of and for The American College of and the American College of were also on the writing committee. additional expertise the scientific of the were for writing committee or by the on and and and for and reviewed by reviewers by the and reviewers by the as well as 1 or reviewers from each of the the and the It also reviewed by reviewers from the and 1 from the All RWI information and to the writing committee and is published in this approved for by the of the and the and the and and by the American for The disease a range of and disease and to the for and diseases of the and for to in the The of to diseases is studies that the of disease is to and and these for as as to The of or is and and in may for to or patients with disease will be to and the of and treatment and/or for a variety of diseases by all healthcare the for this document. guideline will provide the practitioner with a of and treatment that appropriate care of these patients can be and better The goal of this guideline is to improve the health outcomes and quality of for all patients with disease. guideline diseases any or all of the with the of diseases and the when diseases are disease are in the and the is to the of in for used the diseases are and an and of the with or in is the only to diseases and for have in of of of disease. as the use of these also the with as well as these should be used as a is in the document. the writing committee recommendations on a for as in for patients at on or diseases is and by For of treatment for but are better the of treatment required for and disease the and treatment of patients at for and disease and prior to such an are to the and with of patients with are subject to or of this disease with and making under and specific have been in the of the and of disease been for and clinical are noted in The and of medical in the writing of this guideline will provide for of to the of among all medical is evidence that or to of the to these diseases the for of at in the of disease are identified studies of and of the disease. 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light to make of the are and related to of primary and primary or and of the are disease is at the of of primary may include and or the of or identified by during a for an may in the area of the or the and of the of the have been but most patients with is that provide care for patients with of disease procedures for and should in quality and improvement disease should include and of and of that provide care for patients with of disease procedures for and should and quality and improvement with and medical to for quality improvement and and medical of care on available data and performance in accordance with this of with may require to the will and the of the patient in American College of Cardiology Foundation and and and and American Heart Association of
Published in: Catheterization and Cardiovascular Interventions
Volume 76, Issue 2, pp. E43-86
DOI: 10.1002/ccd.22537