Article

Review article: Treatments for bone loss in revision total knee arthroplasty.

Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong.
Journal of orthopaedic surgery (Hong Kong) 04/2012; 20(1):78-86. pp.78-86
Source: PubMed

ABSTRACT Bone deficiency hinders implant alignment and stabilisation of the bone-implant interface in revision total knee arthroplasty (TKA). Treatments for bone defects include bone cement, bone cement with screw reinforcement, metal augments, impaction bone grafts, structural allografts, and tantalum, depending on the location and size of the defects. Small defects are usually treated with cement, cement plus screws, or impaction allograft bone. Large defects are repaired with structural allografts or metal augments. Recent developments involve the use of highly porous osteoconductive tantalum. We reviewed the pros and cons of each method for bone defect management in revision TKA.

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Keywords

bone cement
 
bone defects
 
Bone deficiency hinders implant alignment
 
bone-implant interface
 
cement
 
defects
 
impaction allograft bone
 
impaction bone grafts
 
Large defects
 
porous osteoconductive tantalum
 
pros
 
Recent developments
 
screw reinforcement
 
screws
 
Small defects
 
structural allografts
 
tantalum
 
total knee arthroplasty