Antithrombotic Therapy for VTE Disease, 10Th Ed, 2016
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[ Evidence-Based Medicine ] Antithrombotic Therapy for VTE Disease CHEST Guideline and Expert Panel Report Clive Kearon, MD, PhD; Elie A. Akl, MD, MPH, PhD; Joseph Ornelas, PhD; Allen Blaivas, DO, FCCP; David Jimenez, MD, PhD, FCCP; Henri Bounameaux, MD; Menno Huisman, MD, PhD; Christopher S. King, MD, FCCP; Timothy A. Morris, MD, FCCP; Namita Sood, MD, FCCP; Scott M. Stevens, MD; Janine R. E. Vintch, MD, FCCP; Philip Wells, MD; Scott C. Woller, MD; and COL Lisa Moores, MD, FCCP BACKGROUND: We update recommendations on 12 topics that were in the 9th edition of these guidelines, and address 3 new topics. METHODS: We generate strong (Grade 1) and weak (Grade 2) recommendations based on high- (Grade A), moderate- (Grade B), and low- (Grade C) quality evidence. RESULTS: For VTE and no cancer, as long-term anticoagulant therapy, we suggest dabigatran (Grade 2B), rivaroxaban (Grade 2B), apixaban (Grade 2B), or edoxaban (Grade 2B) over vitamin K antagonist (VKA) therapy, and suggest VKA therapy over low-molecular-weight heparin (LMWH; Grade 2C). For VTE and cancer, we suggest LMWH over VKA (Grade 2B), dabigatran (Grade 2C), rivaroxaban (Grade 2C), apixaban (Grade 2C), or edoxaban (Grade 2C). We have not changed recommendations for who should stop anticoagulation at 3 months or receive extended therapy. For VTE treated with anticoagulants, we recommend against an inferior vena cava filter (Grade 1B). For DVT, we suggest not using compression stockings routinely to prevent PTS (Grade 2B). For subsegmental pulmonary embolism and no proximal DVT, we suggest clinical surveillance over anticoagulation with a low risk of recurrent VTE (Grade 2C), and anticoagulation over clinical surveillance with a high risk (Grade 2C). We suggest thrombolytic therapy for pulmonary embolism with hypotension (Grade 2B), and systemic therapy over catheter-directed thrombolysis (Grade 2C). For recurrent VTE on a non-LMWH anticoagulant, we suggest LMWH (Grade 2C); for recurrent VTE on LMWH, we suggest increasing the LMWH dose (Grade 2C). CONCLUSIONS: Of 54 recommendations included in the 30 statements, 20 were strong and none was based on high-quality evidence, highlighting the need for further research. CHEST 2016; 149(2):315-352 KEY WORDS: antithrombotic therapy; evidence-based medicine; GRADE approach; venous thromboembolism FOR EDITORIAL COMMENT SEE PAGE 293 ABBREVIATIONS: AT9 = 9th Edition of the Antithrombotic Guideline; Lebanon; CHEST (Dr Ornelas), Glenview, IL; VA New Jersey Health AT10 = 10th Edition of the Antithrombotic Guideline; CHEST = Care System (Dr Blaivas), Newark, NJ; Hospital Ramón y Cajal and American College of Chest Physicians; CDT = catheter-directed Instituto Ramón y Cajal de Investigación Sanitaria, Universidad de thrombolysis; COI = conflict of interest; CTEPH = chronic thrombo- Alcala (Dr Jimenez), Madrid, Spain; University of Geneva (Dr Bou- embolic pulmonary hypertension; CTPA = CT pulmonary angiogram; nameaux), Geneva, Switzerland; Leiden University Medical Center (Dr GOC = Guidelines Oversight Committee; INR = International Huisman), Leiden, Netherlands; Virginia Commonwealth University Normalized Ratio; IVC = inferior vena cava; LMWH = low-molecular- (Dr King), Falls Church, VA; University of California (Dr Morris), San weight heparin; NOAC = non-vitamin K oral anticoagulant; PE = Diego, CA; The Ohio State University (D. Sood), Columbus, OH; pulmonary embolism; PTS = postthrombotic syndrome; RCT = ran- Intermountain Medical Center and the University of Utah (Drs Stevens domized controlled trial; UEDVT = upper extremity deep vein and Woller), Murray, UT; Harbor-UCLA Medical Center (Dr Vintch), thrombosis; US = ultrasound; VKA = vitamin K antagonist Torrance, CA; The University of Ottawa and Ottawa Hospital Research AFFILIATIONS: From McMaster University (Drs Kearon and Akl), Institute (Dr Wells), Ottawa, ON; Uniformed Services University of the Hamilton, ON; American University of Beirut (Dr Akl), Beirut, Health Sciences (Dr Moores), Bethesda, MD. journal.publications.chestnet.org 315 Note on Shaded Text: In this guideline, shaded text with rivaroxaban and apixaban, and is overlapped with VKA an asterisk (shading appears in PDF only) indicates therapy. See text for factors that influence choice of recommendations that are newly added or have been therapy. changed since the publication of Antithrombotic Therapy for VTE Disease: Antithrombotic Therapy and Prevention *3. In patients with DVT of the leg or PE and cancer “ ” fi of Thrombosis (9th edition): American College of Chest ( cancer-associated thrombosis ), as long-term ( rst Physicians Evidence-Based Clinical Practice Guidelines. 3 months) anticoagulant therapy, we suggest LMWH Recommendations that remain unchanged since that over VKA therapy (Grade 2C), dabigatran (Grade edition are not shaded. The order of our presentation of the 2C), rivaroxaban (Grade 2C), apixaban (Grade 2C), non-vitamin K oral anticoagulants (dabigatran, or edoxaban (Grade 2C). rivaroxaban, apixaban, edoxaban) is based on the chronology of publication of the phase 3 trials in VTE Remarks: Initial parenteral anticoagulation is given treatment and should not be interpreted as the guideline before dabigatran and edoxaban, is not given before panel’s order of preference for the use of these agents. rivaroxaban and apixaban, and is overlapped with VKA therapy. See text for factors that influence choice of Summary of Recommendations therapy. Choice of Long-Term (First 3 Months) and Extended *4. In patients with DVT of the leg or PE who receive (No Scheduled Stop Date) Anticoagulant extended therapy, we suggest that there is no need fi 1. In patients with proximal DVT or pulmonary to change the choice of anticoagulant after the rst embolism (PE), we recommend long-term (3 months) 3 months (Grade 2C). anticoagulant therapy over no such therapy (Grade 1B). Remarks: It may be appropriate for the choice of *2. In patients with DVT of the leg or PE and no anticoagulant to change in response to changes in the ’ cancer, as long-term (first 3 months) anticoagulant patient s circumstances or preferences during long-term therapy, we suggest dabigatran, rivaroxaban, apix- or extended phases of treatment. aban, or edoxaban over vitamin K antagonist (VKA) therapy (all Grade 2B). Duration of Anticoagulant Therapy For patients with DVT of the leg or PE and no cancer 5. In patients with a proximal DVT of the leg or who are not treated with dabigatran, rivaroxaban, PE provoked by surgery, we recommend treatment apixaban, or edoxaban, we suggest VKA therapy over with anticoagulation for 3 months over (i) treatment low-molecular weight heparin (LMWH) (Grade 2C). of a shorter period (Grade 1B), (ii) treatment of a longer time-limited period (eg, 6, 12, or 24 months) Remarks: Initial parenteral anticoagulation is given (Grade 1B), or (iii) extended therapy (no scheduled before dabigatran and edoxaban, is not given before stop date) (Grade 1B). 6. In patients with a proximal DVT of the leg or DISCLAIMER: American College of Chest Physician guidelines are intended for general information only, are not medical advice, and do PE provoked by a nonsurgical transient risk factor, not replace professional medical care and physician advice, which we recommend treatment with anticoagulation for always should be sought for any medical condition. The complete 3 months over (i) treatment of a shorter period disclaimer for this guideline can be accessed at http://www.chestnet. org/Guidelines-and-Resources/Guidelines-and-Consensus-Statements/ (Grade 1B) and (ii) treatment of a longer time-limited CHEST-Guidelines. period (eg, 6, 12, or 24 months) (Grade 1B). We FUNDING/SUPPORT: This guideline was supported solely by internal funds from The American College of Chest Physicians. suggest treatment with anticoagulation for 3 months ENDORSEMENTS: This guideline is endorsed by the American Asso- over extended therapy if there is a low or moderate ciation for Clinical Chemistry, the American College of Clinical bleeding risk (Grade 2B), and recommend treatment Pharmacy, the International Society for Thrombosis and Haemostasis, and the American Society of Health-System Pharmacists. for 3 months over extended therapy if there is a high CORRESPONDENCE TO: Elie A. Akl, MD, MPH, PhD, Department of risk of bleeding (Grade 1B). Internal Medicine, Faculty of Medicine, American University of Beirut, PO Box 11-0236, Riad-El-Solh Beirut 1107 2020, Lebanon; e-mail: Remarks: In all patients who receive extended [email protected] anticoagulant therapy, the continuing use of Copyright Ó 2016 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved. treatment should be reassessed at periodic intervals DOI: http://dx.doi.org/10.1016/j.chest.2015.11.026 (eg, annually). 316 Evidence-Based Medicine [ 149#2 CHEST FEBRUARY 2016 ] 7. In patients with an isolated distal DVT of the leg scheduled stop date) over 3 months (Grade 1B); provoked by surgery or by a nonsurgical transient risk (ii) moderate bleeding risk (see text), we suggest factor, we suggest treatment with anticoagulation for extended anticoagulant therapy over 3 months of therapy 3 months over treatment of a shorter period (Grade 2C), (Grade 2B); or (iii) high bleeding risk (see text), we we recommend treatment with anticoagulation for suggest 3 months of anticoagulant therapy over 3 months over treatment of a longer time-limited extended therapy (no scheduled stop date) (Grade 2B). period (eg, 6, 12, or 24 months) (Grade 1B), and we Remarks: In all patients who receive extended recommend