Resumo

COSTANTINI, Julián et al. ¿Es seguro el ácido tranexámico en la cirugía de reemplazo total de rodilla de pacientes con enfermedad coronaria?. Rev. Asoc. Argent. Ortop. Traumatol. [online]. 2022, vol.87, n.5, pp.660-666. ISSN 1852-7434.  http://dx.doi.org/https://doi.org/10.15417/issn.1852-7434.2022.87.5.1602.

Introduction: Tranexamic acid (TXA) reduces blood loss and need for a transfusion after total knee arthroplasty (TKA). However, patients with a history of coronary artery (CA) stent placement might be at increased risk for thromboembolic complications. Materials and Methods: We performed a retrospective analysis of patients with a history of coronary stenting who had undergone primary and revision TKA and received preoperative TXA. A comparison was made with a group of patients without coronary stenting. The presence of any clinical or electrocardiographic changes of acute coronary occlusion, thromboembolic events (TEE), blood transfusion, and pre- and postoperative hemoglobin levels were analyzed. Results: 57 patients underwent 59 TKA surgeries (56 primary and 3 revisions) with a history of coronary stenting at least 1 year before arthroplasty. One patient presented symptoms of acute coronary syndrome and electrocardiogram (ECG) changes. There were no differences in the number of thromboembolic events. Only 1 patient received red blood cell transfusion in the control group. Relative bleeding was lower in the coronary group regardless of chronic use of aspirin and clopidogrel before surgery (2.09 vs 3.06 in the control group; p=0.01). In high-risk patients, TXA was not associated with higher TEEs. Conclusions: Although TXA seemed safe and effective in this database review of patients with previous placement of CAS; a larger prospective trial is warranted to confirm these results.

Palavras-chave : Tranexamic acid; total knee arthroplasty; coronary disease.

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