Revision Arthroplasty Hinged Knee Replacement

Right in revision surgery components with longer stems fit more securely into the bones and provide stability.

Revision arthroplasty hinged knee replacement.

Over time scar tissue bone loss and instability can all contribute to making a repeat surgery a much more difficult treatment. There was an infection rate of 4. Fifty two stanmore hinged knee replacements were used as revision arthroplasties for failed arthroplasties. Karpinski mr grimer rj.

Purpose to evaluate the clinical and radiographic results of revision arthroplasties in tkas with instability using a rotating hinge design in elderly patients. The bone graft may be an autograft which means that the bone is taken from another site in the patient s own. During surgery the exposure technique shown in figure a is used. As with primary knee replacement the 30 day mortality rate following knee revision surgery is low between 0 1 percent and 0 2 percent according to healthline s analysis of medicare and.

Management of bone defects in revision total knee arthroplasty. Left in this x ray the primary knee replacement implant is unstable due to weakened bone. Revision knee replacement is a major surgery because performing a replacement surgery can be much more complicated the second or third or fourth time in the joint. Two patients exhibited radiologic evidence of loosening but at the latest follow up examination no patients had clinical evidence of loosening.

Daines bk dennis da. The patients were followed for a mean of 44 7 months. Hinged knee replacement in revision arthroplasty. The surgeon reviews radiographs of his knee and takes him to the operating room for revision total knee arthroplasty.

Revision knee arthroplasty with a rotating hinge design could be an option for the treatment of instability following total knee arthroplasty tka in elderly patients. On clinical examination 23 had good 48 fair and 29 poor results. Obq13 44 a 65 year old man presents with aseptic loosening 3 years after total knee arthroplasty. Instr course lect 2013.

In view of the poor results and the advent of a new generation of knee arthroplasty devices hinged knee implants may have only a limited place in revision arthroplasty.