Silver Book Fact
Effect of hip and knee replacement surgeries on risk of VTE
Hip and knee replacement surgeries significantly raise the risk of venous thromboembolism—without prophylaxis around half develop deep vein thrombosis and 1% to 2% develop pulmonary embolism.
Haake D, Berkman S. Venous Thromboembolic Disease after Hip Surgery: Risk factors, prophylaxis, and diagnosis. Clin Orthop Relat Res. 1989; 242: 212-31. http://www.ncbi.nlm.nih.gov/pubmed/2468437