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Abstract
Seven acrylic bone cements were evaluated: Cemex Rx (Tecres S.p.a., Italy), Cemex Isoplastic (Tecres S.p.a., Italy), Zimmer Low Viscosity Cement (L.V.C. , Zimmer, IN, USA), Zimmer bone cement—dough type (Zimmer, IN, USA), CMW 3 (DePuy International Ltd., UK), Cerim LT (Cremascoli S.r.l., Italy), and Palacos R (Merck, Wehreim, Germany). The cements after polymerization were put in contact in vitro with platelet-rich plasma. Plasma in contact only with siliconated glass was used as the negative control. After contact, platelet number, β-thromboglobulin (β-TG), and transforming growth factor-β1 (TGF-β1) were determined. The Wilcoxon signed rank test showed Palacos R and L.V.C. induced a significant decrease of platelet number compared with the negative control. All cements determined a significant increase in β-TG. CMW 3 , Palacos , L.V.C. , and Zimmer dough type determined a significant increase in TGF-β1 compared with the negative control.
