Inclusion Criteria | Exclusion Criteria |
---|---|
Adult over 20 years of age | Sever renal disfunction |
Willing and able to give consent | Past history of thrombosis |
Extensive synovectomy during surgery | |
Use of the allogenic blood transfusion | |
Use of another prothesis due to procedural change | |
Patients whose drain was clogged | |
Patients who can not prepare the autologous blood |