Osteoarthrotic changes after acute transarticular load. An animal model.

  title={Osteoarthrotic changes after acute transarticular load. An animal model.},
  author={Roby C. Thompson and Theodore R. Oegema and Jack L. Lewis and Lew Wallace},
  journal={The Journal of bone and joint surgery. American volume},
  volume={73 7},
The canine patellofemoral joint was subjected to a standardized transarticular load of 2170 newtons for two milliseconds, and the gross and histological changes were examined at two, twelve, and twenty-four weeks after injury. Initially, the load creates fractures in the zone of calcified cartilage, with minimum damage to the articular cartilage surface. Surface fissures were visible in all patellae only after staining with India ink. Histologically, these surface clefts extended into the… CONTINUE READING