Tourniquet pressure of 100mmHg above systolic blood pressure is sufficient for TKA
Effect of Tourniquet Pressure on Perioperative Blood Loss Associated With Cementless Total Knee Arthroplasty: A Prospective, Randomized StudyJ Arthroplasty. 2005 Apr;20(3):325-30
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Fifty-seven patients (60 knees) undergoing cementless total knee arthroplasty (TKA) were randomized to receive conventional tourniquet pressure of 350mmHg or of 100mmHg above systolic blood pressure (SBP). Results indicated that there was no difference between the two groups with respect to the mean perioperative blood loss. Over 3 months, the two groups also did not differ in red blood cell count...
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