• Jonathan H Garfinkel, Brian P Gladnick, Niama Roland, and David W Romness.
• Georgetown University School of Medicine, Washington, DC.
• J Arthroplasty. 2018 Feb 1; 33 (2): 533-536.

BackgroundFactor-Xa inhibitors have been introduced for prevention of venous thromboembolism (VTE) after joint arthroplasty. However, these agents could also be associated with bleeding or wound complications after surgery.MethodsWe retrospectively reviewed a consecutive series of 59 patients (31 knees, 28 hips) undergoing joint arthroplasty at a high-volume joint arthroplasty referral center, both before and after implementation of a new VTE risk-stratification tool at our institution. Patients with a history of VTE, bilateral procedures, or medical conditions already requiring VTE chemoprophylaxis were excluded. We reviewed the medical records to determine (1) type of VTE prophylaxis used, (2) incidence of bleeding/wound complications in the postoperative period, (3) incidence of VTE in the postoperative period, and (4) change in serum hemoglobin.ResultsTwenty-seven patients (46%) were given aspirin for VTE prophylaxis, while 32 patients (54%) received a factor-Xa inhibitor. There were no new VTE complications in either group. And 6 of 32 patients (18.7%) in the Xa inhibitor group had a postoperative bleeding/wound complication (4 delayed healing/blistering, 1 hematoma/excessive ecchymosis, and 1 readmission for cellulitis). There were no (0%) bleeding/wound complications in the aspirin group (P = .03). The change in hemoglobin level was -2.76 g/dL in patients receiving aspirin vs -2.84 g/dL in patients receiving a Xa inhibitor (P = .73).ConclusionIn our study of total joint patients, factor-Xa inhibitors were associated with a higher incidence of bleeding/wound complications. The choice of VTE prophylaxis should be based on the perceived risks of bleeding and wound complications compared to the risks of VTE in each patient.Copyright © 2017 Elsevier Inc. All rights reserved.

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