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ABSTRACT: Our goal was to evaluate the 90/90 pillow as an effective means of preventing blood loss after knee arthroplasty. We performed a prospective randomized case-control study on 40 patients undergoing knee arthroplasty. All patients were treated in a standard fashion, except for the use of the 90/90 pillow in one group. The 90/90 pillow flexes the knee to 90 degrees and is in situ for 24 hours after surgery. We measured blood loss at time points from 1 to 48 hours. Range of motion was assessed, as were analgesic requirements. Statistical analysis was performed on our results. We found a statistically significant reduction in blood loss without compromising range of motion. We advocate the 90/90 pillow after all knee arthroplasties.
The Journal of Arthroplasty 10/2003; 18(6):765-8. · 2.38 Impact Factor
