Revision total hip replacement using long curved fully hydroxyapatite-coated modular stems with distal interlocking

Kalin Mihov; Maxim Zagorov; Svetoslav Dobrilov; Atanas Tabakov; Georgi Jeliazkov

doi:10.14748/ssm.v50i1.4149

Revision total hip replacement using long curved fully hydroxyapatite-coated modular stems with distal interlocking

Kalin Mihov, Maxim Zagorov, Svetoslav Dobrilov, Atanas Tabakov, Georgi Jeliazkov

Abstract

Successful femoral reconstruction in revision total hip replacement needs to address variable metadiaphyseal bone defects and still represents a controversial issue. We present our clinical experience with the use of two types of long revision, curved, fully hydroxyapatite (HA)-coated titanium femoral stems with distal interlocking. A group of 20 patients has been followed up clinically and radiographically for a period of 12.1 months (3-30 months). Indications included aseptic and septic loosening as well as adverse local tissue reactions (ALTR) to metal debris. The major complications in our series included postoperative instability and intraoperative periprosthetic femoral fracture. Revision curved modular fully HA-coated stems with distal interlocking provide for good primary stem stability and successful secondary osteointegration in revision total hip arthroplasty (THA) for both aseptic and septic loosening in the setting of femoral bone defects. Longer follow-up in a larger cohort of patients is needed to confirm the good and very good short-term results and assess femoral bone remodeling.

Keywords

total hip replacement, revision, HA stems

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References

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DOI: http://dx.doi.org/10.14748/ssm.v50i1.4149

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