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Vol. 19 Issue 3 (July-September)

Medium term results of revision total hip replacement using radial impaction grafting and a collared textured stem

Medium term results of revision total hip replacement using radial impaction grafting and a collared textured stem

Hip Int 2009; 19(3): 227 - 233

Article Type: ORIGINAL ARTICLE

Authors

RAJESH Kakwani, Mohammed Saquib, Shankar Kashyap

Abstract

Abstract. Massive bone loss is a problem frequently encountered during revision hip surgery. Several ways of addressing the bone loss in proximal femur have been described with varying results. We present our results with the use of a radial impaction grafting technique and a collared textured component. 107 consecutive cases of Revision Total Hip Arthroplasty, who underwent radial impaction grafting and had a textured collared implant inserted for femoral deficiencies were assessed. The average follow up was seven years and four months (3 to 11 years). All the patients experienced a significant improvement in the clinical scores. Oxford Hip scores improved from an average of 41.2 (30 - 56) to 19.3 (12 - 32). Harris Hip scores improved from an average of 40.8 (28 - 65) to 83.4 (60 - 99). There were no cases of subsidence at follow up. Using revision for any cause as the end point the survivorship at an average of 88.8 months was 93.8%. Three revisions were performed for deep infection within the first year. There were three cases of peri-prosthetic fractures distal to the tip of standard length stems at an average of 8.4 months after surgery. We recommend the use of morsellised allografts with radial impaction grafting and textured, collared stems for selected cases with Paprosky type II and type III femoral defects. We also recommend use of long stems bypassing the tip of the previous implant with impaction grafting to avoid peri-prosthetic fractures.

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