Hip resurfacing arthroplasty: the evolution of contemporary designs.

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Abstract

[Indexed for MEDLINE] 20. Orthopade. 2004 Nov;33(11):1236-42. doi: 10.1007/s00132-004-0718-0. [Hip resurfacing arthroplasty]. [Article in German] Witzleb WC(1), Knecht A, Beichler T, Köhler T, Günther KP. Author information: (1)Klinik und Poliklinik für Orthopädie, Universitätsklinikum "Carl Gustav Carus" Dresden. wolf-christoph.witzleb@uniklinikum-dresden.de In comparison to stemmed total hip replacements, hip resurfacing offers advantages especially in joint stability and amount of femoral bone resection. After the poor results achieved with this concept that were mainly caused by failure of the materials used, reintroduction of the metal-on-metal bearing initiated a renaissance. This bearing, the cementless cup, and the improved surgical technique led to better short- to medium-term results. Revision and complication rates are now comparable to conventional total hip replacements. The functional capacity of the method is higher. Because long-term results are not available, however, questions remain, for instance, the consequences of the higher metal ion serum concentrations or the impossibility of changing the inlay when femoral revision becomes necessary. DOI: 10.1007/s00132-004-0718-0