A study published in The Journal of Bone & Joint Surgery linked the use of a tourniquet during total knee arthroplasty to decreased blood loss as well as faster surgery times and less postoperative inflammation and muscle damage compared with not using a tourniquet. The use of a tourniquet also was linked with smaller declines in hemoglobin and hematocrit levels. Patients in the nontourniquet group reported less postoperative pain.

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