Duration of Anesthesia and Venous Thromboembolism After Hip and Knee Arthroplasty
Purpose:
To determine whether longer duration of anesthesia predisposes patients undergoing orthopedic surgery to venous thromboembolism (VTE).
Conclusion:
Our data suggest that extended duration of anesthesia is a strong risk factor for VTE after orthopedic surgery. This finding may apply to other types of surgical procedures as well. We suggest that all future studies that examine risk factors for (or prevention of) postoperative VTE examine anesthesia duration as an important, and potentially con- founding, clinical variable.
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