Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.4/1107
Título: A technique to remove a well-fixed titanium-coated RM acetabular cup in revision hip arthroplasty
Autor: Judas, F
Dias, RF
Lucas, FM
Palavras-chave: Artroplastia Total da Anca
Acetábulo
Próteses da Anca
Data: 2011
Editora: BioMedCentral
Citação: J Orthop Surg Res. 2011 Jun 20;6:31.
Resumo: A major concern during revision hip arthroplasty is acetabular bone loss and bleeding during the extraction of well-fixed cementless acetabular cup, because no interface exists between the host bone and the cup. Forceful removal of such component using curved gouges and osteotomes often leads to extended bone loss and compromises reimplantation of a new socket. In the following case report, we removed a well-fixed polyethylene titanium-coated RM acetabular cup with 20 years of follow-up, by significant wear of the polyethylene layer. The isoelastic femoral stem was also removed by mechanical failure. We report a technique for removal of the cementless acetabular cup using powered acetabular reamers. The RM cup was sequentially reamed and when the polyethylene layer was thin enough, the remaining cup was removed easily by hand tools. The acetabular bone stock is preserved and the risks of bone fractures and bleeding are minimized. To our knowledge, these principles were applied only in cemented cups. We have used this technique in 10 cases with excellent results and no complications were noted. This is a simple, reproducible, non-costly, non-timing consuming, safe and successful technique to remove well-fixed titanium-coated RM acetabular cups.
Peer review: yes
URI: http://hdl.handle.net/10400.4/1107
Aparece nas colecções:ORT - Artigos

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