Abstract:

The recent evolution of total knee arthroplasty (TKA) has been substantial and unlike that of total hip arthroplasty (THA). The current THA technique is similar to that initially developed and perfected by Professor John Charnley in the mid 1960s. The ball-and-socket articulation of the hip is simple and reproducible biomechanically. The long term (20 years and longer) results with total hip arthroplasty have been very satisfactory. The THA prosthetic designs of today remain similar to those of years past. Improvements have been in biomaterials, methods of fixation and surgical technique. The total knee arthroplasty prostheses of today differ greatly from their predecessors.

Authors:

R. Barry Sorrells, M.D., F.A.C.S.., F.A.A.O.S.

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