TKA: No benefit of spray-application PRP for wound healing, pain, and function .
No positive effect of autologous platelet gel after total knee arthroplasty
Acta Orthop. 2009 Oct;80(5):557-62. doi: 10.3109/17453670903350081102 patients scheduled for total knee arthroplasty due to osteoarthritis of the knee were randomized to determine the efficacy of autologous blood platelet concentrate on wound healing following surgery. Patients were allocated to receive a spray application of platelet-rich plasma (PRP) to the wound site prior to closure or to a control group receiving no PRP application. Follow-up was conducted for up to 3 months post-operatively for outcomes of wound healing, pain, and function. Wound healing at 2 weeks was found to be significantly better in the control group, with a higher proportion of control patients achieving total closure. Patients who received PRP also displayed no benefits in regards to pain and function.
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