As a result good diaphyseal bone ingrowth took place but unfortunately many of these designs were associated with a high rate of cortical atrophy proximal stress-shielding and bone loss.

• 其骨干端骨长入良好，但遗憾的是很多该类假体常发生骨皮质萎缩，近端应力遮挡和骨丢失。