Postoperative Pain and Blood Loss of Non-use Compared to Partial-use of a Tourniquet in Bilateral Total Knee Replacement

Exclusion Criteria

• •patients having undergone previous knee surgery
• •patients being subject to uncontrolled hypertension, coagulopathy, or recent knee sepsis
• •patients with an ASA physical status grade \> 2,
• •inability to use patient-controlled analgesia (PCA), such as communication, or cognitive issues, or those patients who were allergic to medications used in the treatment process.