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A Randomized Trial Comparing Autologous Chondrocyte Implantation with Microfracture by Gunnar Knutsen, Jon Olav Drogset, Lars Engebretsen, Torbjørn Grøntvedt,

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Presentation on theme: "A Randomized Trial Comparing Autologous Chondrocyte Implantation with Microfracture by Gunnar Knutsen, Jon Olav Drogset, Lars Engebretsen, Torbjørn Grøntvedt,"— Presentation transcript:

1 A Randomized Trial Comparing Autologous Chondrocyte Implantation with Microfracture by Gunnar Knutsen, Jon Olav Drogset, Lars Engebretsen, Torbjørn Grøntvedt, Vidar Isaksen, Tom C. Ludvigsen, Sally Roberts, Eirik Solheim, Torbjørn Strand, and Oddmund Johansen J Bone Joint Surg Am Volume 89(10): October 1, 2007 ©2007 by The Journal of Bone and Joint Surgery, Inc.

2 At the time of the last follow-up (at sixty months), there were nine failures (23%) and thirty-one “survivors” (77%) in each group of forty patients. Gunnar Knutsen et al. J Bone Joint Surg Am 2007;89: ©2007 by The Journal of Bone and Joint Surgery, Inc.

3 Box plot showing the Lysholm scores preoperatively (blue) and at one (green), two (beige), and five (purple) years after the surgical procedure. Gunnar Knutsen et al. J Bone Joint Surg Am 2007;89: ©2007 by The Journal of Bone and Joint Surgery, Inc.

4 Box plot showing the pain scores, according to a visual analog scale, preoperatively (blue) and at one (green), two (beige), and five (purple) years after the surgical procedure. Gunnar Knutsen et al. J Bone Joint Surg Am 2007;89: ©2007 by The Journal of Bone and Joint Surgery, Inc.

5 Box plot showing the SF-36 physical component scores preoperatively (blue) and at one (green), two (beige), and five (purple) years after the surgical procedure. Gunnar Knutsen et al. J Bone Joint Surg Am 2007;89: ©2007 by The Journal of Bone and Joint Surgery, Inc.


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