Algorithm
Grading System Strength of Recommendation
Grade 1 = stronga
Grade 2 = weakerb a
A = high Quality of Evidence B = moderate C = low
Grade 1 recommendations are strong and indicate that the benefits do, or do not, outweigh risks, burden, and costs. b Grade 2 suggests that individual patient values may lead to different choices.
Abbreviations ACCP, American College of Chest Physicians; bid, twice daily; ClCr
US Food and Drug Administration; HFS, hip fracture surgery; IPCD, intermittent pneumatic compression device; LDUH, low-dose unfractionated heparin; LMWH, low-molecular- weight heparin; PO, oral; subcut, subcutaneous; THA, total hip arthroplasty; TKA, total knee arthroplasty; UFH, unfractionated heparin; VKA, vitamin K antagonist, VTE, venous thromboembolism
, creatinine clearance; FDA,
Source Falck-Ytter Y, Francis CW, Johanson NA, Curley C, Dahl OE, Schulman S, Ortel TL, Pauker SG, Colwell CW, Jr. Prevention of VTE in orthopedic surgery patients: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Chest. 2012;141(2 Suppl):e278S-e325S.
Disclaimer
This Guideline attempts to define principles of practice that should produce high-quality patient care. It focuses on the needs of primary care practice, but also is applicable to providers at all levels. This Guideline should not be considered exclusive of other methods of care reasonably directed at obtaining the same results. The ultimate judgment concerning the propriety of any course of conduct must be made by the clinician aſter consideration of each individual patient situation. Neither IGC, the medical associations, nor the authors endorse any product or service associated with the distributor of this clinical reference tool.
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