alexa Intra-articular injection of tranexamic acid via a drain plus drain-clamping to reduce blood loss in cementless total knee arthroplasty.
Haematology

Haematology

Journal of Blood Disorders & Transfusion

Author(s): Mutsuzaki H, Ikeda K, Mutsuzaki H, Ikeda K

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Abstract BACKGROUND: Patients undergoing cementless total knee arthroplasty (TKA) sometimes suffer large blood loss. In a retrospective study, we explored whether postoperative intra-articular retrograde injection of tranexamic acid (TA) and leaving a drain clamp in place for 1 h reduced blood loss. PATIENTS AND METHODS: Patients (n = 140) treated with unilateral primary cementless TKA (posterior cruciate ligament retained) were divided into two groups: those who had an intra-articular injection of TA (1000 mg) and drain clamping for 1 h postoperatively (study group, n = 70) and those who were not given TA and did not undergo clamping of their drains (control group, n = 70). Postoperative total blood loss, volume of drainage, hemoglobin level, transfusion amounts and rates, D-dimer level at postoperative day (POD) 7, and complications were recorded. RESULTS: Total blood loss, total drainage, mean transfusion volume, and transfusion rates were lower in the study group than in controls (P < 0.001). Hemoglobin levels on PODs 1 and 14 were similar in the groups, but on POD 7 the hemoglobin level was higher in the study group than in controls (P < 0.001). D-dimer level on POD 7 was lower in the study group than in controls (P < 0.05). There were no complications in either group. CONCLUSIONS: Immediately postoperative intra-articular retrograde injection of TA and 1 h of drain-clamping effectively reduced blood loss and blood transfusion after cementless TKA. We believe that this method is simple, easy, and suitable for these patients.
This article was published in J Orthop Surg Res and referenced in Journal of Blood Disorders & Transfusion

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