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Vancomycin-Modified Implant Surface Inhibits Biofilm Formation and Supports Bone-Healing in an Infected Osteotomy Model in Sheep by Suzanne Stewart, Stephanie.

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Presentation on theme: "Vancomycin-Modified Implant Surface Inhibits Biofilm Formation and Supports Bone-Healing in an Infected Osteotomy Model in Sheep by Suzanne Stewart, Stephanie."— Presentation transcript:

1 Vancomycin-Modified Implant Surface Inhibits Biofilm Formation and Supports Bone-Healing in an Infected Osteotomy Model in Sheep by Suzanne Stewart, Stephanie Barr, Julie Engiles, Noreen J. Hickok, Irving M. Shapiro, Dean W. Richardson, Javad Parvizi, and Thomas P. Schaer J Bone Joint Surg Am Volume 94(15):1406-1415 August 1, 2012 ©2012 by The Journal of Bone and Joint Surgery, Inc.

2 The top row shows immunofluorescent staining and confocal laser imaging of four different surface modifications of titanium slugs, confirming vancomycin tethering (Invitrogen anti- vancomycin Alexa Fluor 488, ×10). Suzanne Stewart et al. J Bone Joint Surg Am 2012;94:1406- 1415 ©2012 by The Journal of Bone and Joint Surgery, Inc.

3 Immunofluorescent staining and confocal laser imaging confirming vancomycin tethering on two regions of the plate (anti-vancomycin Alexa Fluor 488, ×10). Suzanne Stewart et al. J Bone Joint Surg Am 2012;94:1406- 1415 ©2012 by The Journal of Bone and Joint Surgery, Inc.

4 Osteotomies repaired with vancomycin-treated (Figs. 3-A and 3-B) and untreated, control plates (Figs. 3-C and 3-D). Suzanne Stewart et al. J Bone Joint Surg Am 2012;94:1406- 1415 ©2012 by The Journal of Bone and Joint Surgery, Inc.

5 Representative gross pathologic photograph of the surgical site in an animal in the vancomycin- treated cohort at ninety days postoperatively, during explantation and tissue harvesting (Fig. 4- A), demonstrates a normal soft-tissue envelope with little to no... Suzanne Stewart et al. J Bone Joint Surg Am 2012;94:1406- 1415 ©2012 by The Journal of Bone and Joint Surgery, Inc.

6 Representative photomicrographs of calcified histologic sections, comparing fracture-healing at three months after osteotomy in the control and vancomycin cohorts at ×2 (Figs. 5-A and 5-E), ×10 (Figs. 5-B and 5-F), ×20 (Figs. 5-C and 5-G), and ×40 (Fig. 5-D... Suzanne Stewart et al. J Bone Joint Surg Am 2012;94:1406- 1415 ©2012 by The Journal of Bone and Joint Surgery, Inc.

7 Immunofluorescent staining and confocal laser imaging of explanted plates to assess vancomycin stability and biofilm formation (anti-vancomycin Alexa Fluor 488, ×10). Suzanne Stewart et al. J Bone Joint Surg Am 2012;94:1406- 1415 ©2012 by The Journal of Bone and Joint Surgery, Inc.


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