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General Orthopaedics

Role of Intra-Articular Tranexamic Acid in Total Knee Replacement Arthroplasty

International Society for Technology in Arthroplasty (ISTA)



Abstract

Background:

Role of intra-articular Tranexamic acid in total knee replacement arthroplasty

Materials and methods

Prospective evaluation was done to see the effect of intra-articular Tranexamic acid on blood loss in 60 patients (120 knees) undergoing total knee arthroplasty. All the patients were operated by one surgeon with same technique by using same implants. Patients were randomly injected 1500 mg/20 ml of Tranexamic acid on one side of the knee only. Nothing was injected on the contra lateral knee. Evaluation was done for swelling and the amount of blood loss in the drain.

Results:

Average blood loss in the drain on Tranexamic side was 140 ml and the opposite side was 390 ml. Swelling was more observed on the non Tranexamic side. Average time for drain removal on Tranexamic side was 36 hours while it was 48 hours on non Tranexamic side. Early mobilization and weight bearing was less painful in Tranexamic side. No patient had systemic complications of Tranexamic acid.

Conclusion:

Intra-articular injection of Tranexamic acid reduces blood loss, swelling around the knee without systemic side effects and allows early weight bearing and mobilization of the joint.


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