Modified Exeter technique in revision hip surgery: does distal fixation of the stem affect allograft transformation?
Promising results have made the Exeter technique a valuable alternative in hip replacement revision. However, even with this technique, subsidence remains a difficult problem because it may lead to additional revision if it is not mild and self-limited. We propose a technical modification that achie...
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| Veröffentlicht in: | The Journal of arthroplasty 2005-06, Vol.20 (4), p.473-480 |
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| container_title | The Journal of arthroplasty |
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| creator | de Thomasson, Emmanuel Williams, Jay B Marmorat, Jean Luc Guigand, Olivier Mazel, Christian |
| description | Promising results have made the Exeter technique a valuable alternative in hip replacement revision. However, even with this technique, subsidence remains a difficult problem because it may lead to additional revision if it is not mild and self-limited. We propose a technical modification that achieves primary stability by cementing the distal portion of the stem directly to the host bone. We conducted a prospective study on 45 hips. After an average of 46 (range, 18-72) months of follow-up monitoring, no hips required or underwent revision for aseptic loosening of the prosthesis. Four stems subsided |
| doi_str_mv | 10.1016/j.arth.2004.09.037 |
| format | Article |
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However, even with this technique, subsidence remains a difficult problem because it may lead to additional revision if it is not mild and self-limited. We propose a technical modification that achieves primary stability by cementing the distal portion of the stem directly to the host bone. We conducted a prospective study on 45 hips. After an average of 46 (range, 18-72) months of follow-up monitoring, no hips required or underwent revision for aseptic loosening of the prosthesis. Four stems subsided <5 mm. In each case, distal cementation was only fair, so implant strength was decreased. Allograft transformation occurred in 36 hips and was associated with host bone remodeling in 11. 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However, even with this technique, subsidence remains a difficult problem because it may lead to additional revision if it is not mild and self-limited. We propose a technical modification that achieves primary stability by cementing the distal portion of the stem directly to the host bone. We conducted a prospective study on 45 hips. After an average of 46 (range, 18-72) months of follow-up monitoring, no hips required or underwent revision for aseptic loosening of the prosthesis. Four stems subsided <5 mm. In each case, distal cementation was only fair, so implant strength was decreased. Allograft transformation occurred in 36 hips and was associated with host bone remodeling in 11. 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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Adult Aged Aged, 80 and over Arthroplasty, Replacement, Hip Bone Transplantation - methods Female Femur - diagnostic imaging Femur - surgery Follow-Up Studies Humans Male Middle Aged Prospective Studies Radiography Reoperation - methods Transplantation, Homologous |
| title | Modified Exeter technique in revision hip surgery: does distal fixation of the stem affect allograft transformation? |
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