Intravenous­ tranexamic­ acid ­in ­total ­knee­ arthroplasty ­without tourniquet

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Fernando M. Bidolegui
Sebastian P. Pereira
Alfonso Lugones
Gabriel I. Vindver

Abstract

Background: Total knee arthroplasty is associated with peri- and postoperative blood loss (600 to 1500 mL) and with blood transfusion rates of up to 50%. The objective is to study the effect of tranexamic acid in total knee arthroplasty without tourniquet, taking into account the blood loss in the postoperative period.Method:­ Patients were randomized into two groups: Group A, with tranexamic acid, 25 patients (71.5 years old) and Group B, without tranexamic acid, 25 patients (72 years old). Hemoglobin and hematocrit were evaluated prior to surgery and after 24, 48 and 72 hours. Drain- age was evaluated after 24 hours.Results:­ The postoperative hematocrit after 24, 48 and 72 hours was 33.4%, 31.5% and 30.8%, respectively, in Group A, and 28.5%, 27.9% and 27%, respectively, in Group B (p <0.001 in the 3 registers). Hemoglobin values were 11, 10.3 and 10 g/dL, respectively, in Group A and 9.4, 9.3 and 9 g/dL, in Group B (p <0.001, p = 0.004 and p = 0.002). Drainage after 24 hours in Group A was 363.4 mL (± 141 mL) and 626 mL (± 260 mL) in Group B (p <0.001). Thirty two patients in Group B underwent transfusion, while none in group A. No cases of thromboembolic disease were detected.Conclusion: Tranexamic acid use decreases postoperative bleeding associated with total knee arthroplasty, resulting in lower transfusion rates without an increase in complication risks.  

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How to Cite
Bidolegui, F. M., Pereira, S. P., Lugones, A., & Vindver, G. I. (2014). Intravenous­ tranexamic­ acid ­in ­total ­knee­ arthroplasty ­without tourniquet. Revista De La Asociación Argentina De Ortopedia Y Traumatología, 79(3), 154-162. https://doi.org/10.15417/242
Section
Clinical Research
Author Biography

Fernando M. Bidolegui, Hospital Sirio Libanes

Jefe Servicio Hospital Sirio Libanes

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