The Journal of the American Academy of Orthopaedic Surgeons · 2025
Dual-Antiplatelet Therapy Is Not Associated With Greater Odds of Postoperative Bleeding Following Elective Total Joint Arthroplasty.
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Telang Sagar, Palmer Ryan, Aron Arjun, Stronach Benjamin M, Stambough Jeffrey B, Lieberman Jay R, Heckmann Nathanael D
Аннотация
INTRODUCTION: Dual-antiplatelet therapy (DAPT), the combined administration of aspirin and clopidogrel, is commonly used to prevent thrombus formation in patients at an increased risk of thromboembolic complications. However, current guidelines regarding DAPT safety following primary elective total hip arthroplasty (THA) and total knee arthroplasty (TKA) are unclear. We sought to compare the odds of 90-day bleeding and thromboembolic complications among patients receiving DAPT relative to clopidogrel alone.
METHODS: All patients who underwent primary TKA or THA between 2016 and 2021 were identified using the Premier Healthcare Database. Patients who received DAPT for postoperative thromboprophylaxis were compared with those receiving only clopidogrel for demographic and comorbidity differences. Chi-square analysis was employed to evaluate differences between categorical variables, whereas independent t -tests were used for continuous variables. Univariate and multivariable regression analyses were used to assess differences in 90-day outcomes.
RESULTS: In total, 18,117 primary THA and TKA patients (DAPT: 83.0%; clopidogrel: 17.0%) were identified. After adjusting for confounders, DAPT patients did not demonstrate increased rates of bleeding complications, transfusion, acute anemia, hematoma, or hemorrhage compared with those receiving clopidogrel alone. In addition, no significant differences were found in rates of deep vein thrombosis, pulmonary embolism, myocardial infarction, or mortality between the cohorts. However, compared with patients receiving clopidogrel, those receiving DAPT were more likely to suffer stroke (adjusted odds ratio 2.34, 95% confidence interval: 1.16 to 4.69, P = 0.017).
DISCUSSION: Despite the notable efficacy of DAPT in reducing thromboembolic risk, patients on DAPT did not have higher rates of postoperative bleeding complications within the early postoperative period following elective THA or TKA. These findings suggest that patients on long-term DAPT may safely resume these medications after THA or TKA.
METHODS: All patients who underwent primary TKA or THA between 2016 and 2021 were identified using the Premier Healthcare Database. Patients who received DAPT for postoperative thromboprophylaxis were compared with those receiving only clopidogrel for demographic and comorbidity differences. Chi-square analysis was employed to evaluate differences between categorical variables, whereas independent t -tests were used for continuous variables. Univariate and multivariable regression analyses were used to assess differences in 90-day outcomes.
RESULTS: In total, 18,117 primary THA and TKA patients (DAPT: 83.0%; clopidogrel: 17.0%) were identified. After adjusting for confounders, DAPT patients did not demonstrate increased rates of bleeding complications, transfusion, acute anemia, hematoma, or hemorrhage compared with those receiving clopidogrel alone. In addition, no significant differences were found in rates of deep vein thrombosis, pulmonary embolism, myocardial infarction, or mortality between the cohorts. However, compared with patients receiving clopidogrel, those receiving DAPT were more likely to suffer stroke (adjusted odds ratio 2.34, 95% confidence interval: 1.16 to 4.69, P = 0.017).
DISCUSSION: Despite the notable efficacy of DAPT in reducing thromboembolic risk, patients on DAPT did not have higher rates of postoperative bleeding complications within the early postoperative period following elective THA or TKA. These findings suggest that patients on long-term DAPT may safely resume these medications after THA or TKA.