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. 2011 Mar;45(2):148-52.
doi: 10.4103/0019-5413.77135.

Tranexamic acid for control of blood loss in bilateral total knee replacement in a single stage

Mandeep S Dhillon  1 , Kamal Bali, Sharad Prabhakar
Affiliations

Tranexamic acid for control of blood loss in bilateral total knee replacement in a single stage

Mandeep S Dhillon et al. Indian J Orthop. 2011 Mar.

Abstract

Background: Tranexamic acid (TEA) reduces blood loss and red cell transfusions in patients undergoing unilateral total knee arthroplasty (TKA). However, there is not much literature regarding the use of TEA in patients undergoing bilateral TKA in a single stage and the protocols for administration of TEA in such patients are ill-defined.

Materials and methods: We carried out a case control study evaluating the effect of TEA on postoperative hemoglobin (Hb), total drain output, and number of blood units transfused in 52 patients undergoing bilateral TKA in a single stage, and compared it with 56 matched controls who did not receive TEA. Two doses of TEA were administered in doses of 10 mg / kg each (slow intravenous (IV) infusion), with the first dose given just before tourniquet release of the first knee and the second dose three hours after the first one.

Results: A statistically significant reduction in the total drain output and requirement of allogenic blood transfusion in cases who received TEA, as compared to the controls was observed. The postoperative Hb and Hb at the time of discharge were found to be lower in the control group, and this result was found to be statistically significant.

Conclusion: TEA administered in patients undergoing single stage bilateral TKA helped reduce total blood loss and decreased allogenic blood transfusion requirements. This might be particularly relevant, where facilities such as autologous reinfusion might not be available.

Keywords: Antifibrinolytic; blood loss; hemoglobin; knee arthroplasty; tranexamic acid.

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Conflict of interest statement

Conflict of Interest: None.

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