Reconstruction of the rotation center of the hip after oblong cups in revision total hip arthroplasty

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dc.contributor.author García-Rey, Eduardo
dc.contributor.author Fernández-Fernández, Ricardo
dc.contributor.author Durán, David
dc.contributor.author Madero, Rosario S.
dc.contributor.other UAM. Departamento de Cirugía es_ES
dc.date.accessioned 2015-02-09T09:16:02Z
dc.date.available 2015-02-09T09:16:02Z
dc.date.issued 2013-01-01
dc.identifier.citation Journal of Orthopaedics and Traumatology 14.1 (2013): 39-49 en_US
dc.identifier.issn 1590-9921 (print) es_ES
dc.identifier.issn 1590-9999 (online) es_ES
dc.identifier.uri http://hdl.handle.net/10486/663660
dc.description.abstract Background The preoperative bone defect and the reconstruction of the center of rotation of the hip are critical in acetabular revision surgery. Uncemented oblong cups are employed in order to manage these issues. We analyzed the clinical results and rates of revision of two different uncemented oblong cups, the reconstruction of the center of rotation of the hip, as well as the rate of radiological loosening and possible risk factors. Materials and methods Forty-five patients (46 hips) underwent acetabular revision surgery using two different uncemented oblong cups.Weassessed the clinical results and the survival rate for revision and aseptic loosening. Intraoperative bone loss was classified according to Paprosky, and acetabular reconstruction was assessed according to Ranawat. The mean follow-up was 7.2 years (range 4–11 years). Results There were four re-revisions (three due to aseptic loosening); the survival rate for re-revision due to aseptic loosening was 60.1 % at seven years. The mean distance between the center of the femoral head prosthesis and the approximate center of the femoral head improved from 21.5 to 10.2 mm. Thirteen cups showed radiological loosening; the survival rate for radiological loosening at seven years was 40.54 %. A smaller postoperative horizontal distance was correlated with cup loosening. Conclusions Although optimal acetabular reconstruction can be achieved by using oblong uncemented cups in revision hip surgery, the clinical and radiological results are not encouraging. Excessive medialization of the cup may increase the rate of loosening en_US
dc.format.extent 11 pag. es_ES
dc.format.mimetype application/pdf en
dc.language.iso eng en
dc.publisher Springer Open en_US
dc.relation.ispartof Journal of Orthopaedics and Traumatology en_US
dc.rights © The Author(s) 2012 es_ES
dc.subject.other Cementless cup en_US
dc.subject.other Outcome en_US
dc.subject.other Reconstruction en_US
dc.subject.other Revision hip arthroplasty en_US
dc.title Reconstruction of the rotation center of the hip after oblong cups in revision total hip arthroplasty en_US
dc.type article en
dc.subject.eciencia Medicina es_ES
dc.identifier.doi 10.1007/s10195-012-0217-8 es_ES
dc.identifier.publicationfirstpage 39 es_ES
dc.identifier.publicationissue 1 es_ES
dc.identifier.publicationlastpage 49 es_ES
dc.identifier.publicationvolume 14 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion en
dc.rights.cc Reconocimiento es_ES
dc.rights.accessRights openAccess en


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