The Presentation Of The Blood Loss, Blood Transfusion And Rehabilitation After Total Knee Arthroplasty With Or Without The Drainage

Objective: Excellent blood management after total knee arthroplasty has been always one of the important study directions of joint surgeons,while there is a big controversy on whether the drainage should be placed or not.This study investigated the effect on blood loss,blood transfusion and rehabilitation after total knee arthroplasty with or without the drainage,the aim is to provide guidance for blood management and rehabilitation after total knee arthroplasty.Methods:101 patients who met the inclusion criteria from January 2016 to December 2017 were divided into groups A and B.Patients in two groups were all injected tranexamic acid 1.0 g by vein before the joint capsule was sutured.After 3 hours,repeat the previous step.Patients in two groups were wrapped with moderate pressure after the joint capsule was sutured.Then 6 hours later,the bandage was loosened and regular bandaging was performed.Group A was the drainage group after total knee arthroplasty(n=59),and group B was the non-drainage group after total knee arthroplasty(n=42).Based on the clinical records,the thesis is only focused on the comparison of patients' postoperative hemoglobin,postoperative blood transfusion,postoperative thrombosis rate,length of postoperative hospital stay and postoperative complications in two groups.Results: The amount of suspended red blood cell input was higher in the group A(1.76±1.343)u than that in the group B(0.42±0.790)u,and the difference was statistically significant(t'=7.150,P<0.05).The frozen plasma input was higher in the group A(115.25±124.310)ml than that in the group B(4.76±30.861)ml,and the difference was still statistically significant(t'=6.550,P<0.05).At the time of discharge,hemoglobin(108.58±8.702)g/L was higher in group A than that in group B(101.90±9.284)g/L.The postoperative hemoglobin reduction in group A(28.24±11.467)g/L was more than that in group B(26.50±8.489)g / L,and the difference was not statistically significant(t'=0.832,P> 0.05).The difference on the thrombosis rate of intramuscular venous,deep vein incidence,length of postoperative hospital stay and postoperative complications between two groups were still not statistically significant(P>0.05).While in the group A,a joint infection occurred after surgery,and the joint was re-operated.Conclusions: Non-drainage after total knee arthroplasty can obviously reduce the input of suspended red blood cells and frozen plasma,and does not increase the incidence of postoperative thrombosis,hospital stay and postoperative complications,but it is not statistically significant on the reduction of postoperative hemoglobin.