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Revista de la Asociación Argentina de Ortopedia y Traumatología
versão On-line ISSN 1852-7434
Resumo
MARTINEZ, Walter F.; TILLET, Fernando; BOCHATEY, Eduardo J. e LOPREITE, Fernando A.. Conservación de tallos femorales no cementados fijos en pacientes con infección periprotésica crónica de cadera. Rev. Asoc. Argent. Ortop. Traumatol. [online]. 2023, vol.88, n.5, pp.539-547. ISSN 1852-7434. http://dx.doi.org/https://doi.org/10.15417/issn.1852-7434.2023.88.5.1777.
Introduction: Two-stage revision is considered the gold standard for the treatment of chronically infected hip arthroplasty. However, during the removal of a fixed cementless femoral stem, the proximal femur can be damaged, which can lead to difficulties in reimplantation. Objective: We intend to determine if chronic periprosthetic hip infection can be treated with a partial exchange of its components, in two stages, keeping a fixed cementless femoral stem. Materials and Methods: This retrospective, multicenter case series study included 9 patients with chronic infection following hip arthroplasty, scheduled for single- or two-stage partial exchange with retention of the fixed femoral stem between January 2014 and November 2019. We assessed the patients’ progress through clinical examination, Harris Hip Score evaluation, and laboratory and radiological studies. Results: In a mean follow-up of 5.8 years in 9 patients with cementless hip arthroplasty, 8 patients achieved infection remission (88.9%) after prosthetic reimplantation, and the mean Harris Hip Score reached 81 points at the last follow-up evaluation. There was no loosening of acetabular or femoral components. Conclusions: Uncemented femoral stem retention may represent an acceptable option for patients with chronic periprosthetic hip infection when removal of the femoral component would result in significant bone loss and compromise of the reconstruction. However, more studies are required on this treatment.
Palavras-chave : Partial review; chronic periprosthetic infection.