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Randomized Controlled Trial
. 2009 Jun;24(4):539-42.
doi: 10.1016/j.arth.2008.01.302. Epub 2008 Apr 11.

Timing of Tourniquet Release in Total Knee Arthroplasty When Using a Postoperative Blood Salvage Drain

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Randomized Controlled Trial

Timing of Tourniquet Release in Total Knee Arthroplasty When Using a Postoperative Blood Salvage Drain

Brian Steffin et al. J Arthroplasty. .

Abstract

The purpose of this study is to examine the effect of a postoperative blood salvage drain and timing of tourniquet release on the maximal hematocrit drop after total knee arthroplasty. Thirty-seven total knees were prospectively randomized into either an early or late tourniquet release group. Hematocrit drop and drainage amounts were recorded. We found no significant difference in maximal hematocrit drop, drainage amounts, or total surgical time between the groups. We conclude that the use of a blood salvage drain should not influence the surgeon's preference on timing of tourniquet release in total knee arthroplasty.

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