title: Results of Wagner SL revision stem with impaction bone grafting in revision total hip arthroplasty.
abstract: BACKGROUND
  As the number of total hip arthroplasties (THAs) performed increases, so do the number of required revisions. Impaction bone grafting with Wagner SL Revision stem is a good option for managing bone deficiencies arising from aseptic osteolysis. We studied the results of cementless diaphyseal fixation in femoral revision after total hip arthroplasty and whether there was spontaneous regeneration of bone stock in the proximal femur after the use of Wagner SL Revision stem (Zimmer, Warsaw, IN, USA) with impaction bone grafting.
  
  
  METHODS
  We performed 53 hip revisions using impaction bone grafting and Wagner SL Revision stems in 48 patients; (5 cases were bilateral) for variety of indications ranging from aseptic osteolysis to preiprosthetic fractures. The average age was 59 years (range 44-68 years). There were 42 male and 6 female patients. Four patients died after surgery for reasons unrelated to surgery. 44 patients were available for complete analysis.
  
  
  RESULTS
  The mean Harris Hip Score was 42 before surgery and improved to 86 by the final followup evaluation at a mean point of 5.5 years. Of the 44 patients, 87% (n=39) had excellent results and 10% (n=5) had good results. The stem survival rate was 98% (n=43).
  
  
  CONCLUSIONS
  Short term results for revision THA with impaction bone grafting and Wagner SL revision stems are encouraging. However, it is necessary to obtain long term results through periodic followup evaluation, as rate of complications may increase in future.
authors: Department of Orthopaedics, Civil Hospital and B. J. Medical College, Ahmedabad, Gujarat, India.
authors: Somesh P
authors: SP
authors: Singh
authors: Haresh P
authors: HP
authors: Bhalodiya
keywords: Impaction bone grafting; Wagner SL revision stem; revision arthroplasty; total hip arthroplasty
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