Objective: To investigate the efficacy of applying tranexamic acid in articular cavity on blood loss after simultaneous bilateral total hip arthroplasty( THA). Methods: A total of 42 patients who underwent the simultaneous bilateral THA surgery were observed. 21 as observer group had received tranexamic acid in their articular cavity,while the rest 21 as control group had not received any tranexamic acid. Comparing the postoperative transfusion rate,postoperative hemoglobin values 24 hours after they had th...