Arthrofibrosis after total knee arthroplasty.

摘要: Six total knee arthroplasties in five patients were revised because of persistent limited motion after the primary arthroplasty. All implants an appropriate size and not malpositioned. No cause stiffness was identified other than soft tissue contracture. Four components posterior cruciate retaining two substituting. Heterotopic bone formation observed knees before revision surgery surgery. Arc increased from 36 degrees (range, 20 degrees-70 degrees) to 86 70 degrees-110 What triggers proliferation extensive scar with arthrofibrosis is clear. Some may be predisposed this condition or have it develop as a response surgical trauma postoperative rehabilitation. However, when does arthroplasty, some improvement pain can achieved