Evidence-Based Clinical Practice Guidelines ed: American College of Chest Physicians Therapy and Prevention of Thrombosis, 9th New Antithrombotic Drugs : Antithrombotic (original) (raw)
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Chest Journal, 2012
This article discusses the perioperative management of antithrombotic therapy and is part of the American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition). The primary objectives of this article are the following: (1) to address the perioperative management of patients who are receiving vitamin K antagonists (VKAs) or antiplatelet drugs, such as aspirin and clopidogrel, and require an elective surgical or other invasive procedures; and (2) to address the perioperative use of bridging anticoagulation, typically with low-molecular-weight heparin (LMWH) or unfractionated heparin (UFH). A secondary objective is to address the perioperative management of such patients who require urgent surgery. The recommendations in this article incorporate the grading system that is discussed in this supplement (Guyatt G et al, CHEST 2008; 133:123S-131S). Briefly, Grade 1 recommendations are considered strong and indicate that the benefits do (or do not) outweigh risks, burden, and costs, whereas Grade 2 recommendations are referred to as suggestions and imply that individual patient values may lead to different management choices. The key recommendations in this article include the following: in patients with a mechanical heart valve or atrial fibrillation or venous thromboembolism (VTE) at high risk for thromboembolism, we recommend bridging anticoagulation with therapeutic-dose subcutaneous (SC) LMWH or IV UFH over no bridging during temporary interruption of VKA therapy (Grade 1C); in patients with a mechanical heart valve or atrial fibrillation or VTE at moderate risk for thromboembolism, we suggest bridging anticoagulation with therapeutic-dose SC LMWH, therapeutic-dose IV UFH, or low-dose SC LMWH over no bridging during temporary interruption of VKA therapy (Grade 2C); in patients with a mechanical heart valve or atrial fibrillation or VTE at low risk for thromboembolism, we suggest low-dose SC LMWH or no bridging over bridging with therapeutic-dose SC LMWH or IV UFH (Grade 2C). In patients with a bare metal coronary stent who require surgery within 6 weeks of stent placement, we recommend continuing aspirin and clopidogrel in the perioperative period (Grade 1C); in patients with a drug-eluting coronary stent who require surgery within 12 months of stent placement, we recommend continuing aspirin and clopidogrel in the perioperative period (Grade 1C). In patients who are undergoing minor dental procedures and are receiving VKAs, we recommend continuing VKAs around the time of the procedure and coadministering an oral prohemostatic agent (Grade 1B); in patients who are undergoing minor dermatologic procedures and are receiving VKAs, we recommend continuing VKAs around the time of the procedure (Grade 1C); in patients who are undergoing cataract removal and are receiving VKAs, we recommend continuing VKAs around the time of the procedure (Grade 1C).
Methodology for the Development of Antithrombotic Therapy and Prevention of Thrombosis Guidelines
CHEST Journal, 2012
Background: To develop the Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: ACCP Evidence-Based Clinical Practice Guidelines (AT9), the American College of Chest Physicians (ACCP) assembled a panel of clinical experts, information scientists, decision scientists, and systematic review and guideline methodologists. Methods: Clinical areas were designated as articles, and a methodologist without important intellectual or fi nancial confl icts of interest led a panel for each article. Only panel members without signifi cant confl icts of interest participated in making recommendations. Panelists specifi ed the population, intervention and alternative, and outcomes for each clinical question and defi ned criteria for eligible studies. Panelists and an independent evidence-based practice center executed systematic searches for relevant studies and evaluated the evidence, and where resources and evidence permitted, they created standardized tables that present the quality of the evidence and key results in a transparent fashion. Results : One or more recommendations relate to each specifi c clinical question, and each recommendation is clearly linked to the underlying body of evidence. Judgments regarding the quality of evidence and strength of recommendations were based on approaches developed by the Grades of Recommendations, Assessment, Development, and Evaluation Working Group. Panel members constructed scenarios describing relevant health states and rated the disutility associated with these states based on an additional systematic review of evidence regarding patient values and preferences for antithrombotic therapy. These ratings guided value and preference decisions underlying the recommendations. Each topic panel identifi ed questions in which resource allocation issues were particularly important and, for these issues, experts in economic analysis provided additional searches and guidance. Conclusions: AT9 methodology refl ects the current science of evidence-based clinical practice guideline development, with reliance on high-quality systematic reviews, a standardized process for quality assessment of individual studies and the body of evidence, an explicit process for translating the evidence into recommendations, disclosure of fi nancial as well as intellectual confl icts of interest followed by management of disclosed confl icts, and extensive peer review.
Prevention of Venous Thromboembolism
Chest, 2005
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The Egyptian Heart Journal (TEHJ), 2023
Background Till the moment of this document writing, no Egyptian consensus is there to guide selection of additional antithrombotic in stable patients with established CVD. Despite use of lifestyle measures and statins, those patients with established CVD still face a considerable burden of residual risk. Main body With the evolvement of evidence-based medicine, there have been a lot of recommendations to use additional antithrombotic medications to maximize protection for those patients. Accordingly, the Egyptian Society of Cardiology working group of thrombosis and prevention took the responsibility of providing an expert consensus on the current recommendations for using antithrombotic medications to maximize protection in stable patients with established CVD. For stable patients with established CVD, in addition to proper lifestyle measures and appropriate dose statins, we recommend long-term aspirin therapy. In patients who are unable to take aspirin and in those with a history of gastrointestinal bleeding, clopidogrel is a reasonable alternative. Conclusions For some stable atherosclerotic CVD patients who are at high risk of cardiovascular events and at low risk for bleeding, a regimen of rivaroxaban and aspirin might be taken into consideration.
Antithrombotic therapy for venous thromboembolic disease
Chest, 1989
... American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition). Clive Kearon, MB, PhD,; Susan R. Kahn, MD,; Giancarlo Agnelli, MD,; Samuel Goldhaber, MD, FCCP,; Gary E. Raskob, PhD, and; Anthony J. Comerota, MD. ...
Expert Opinion on Emerging Drugs, 1999
Emerging Drugs ( 1999) 4: 175-195 1. Summary