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Revista de la Asociación Argentina de Ortopedia y Traumatología
On-line version ISSN 1852-7434
Abstract
SALCEDO ZUNINO, Leandro A et al. Revisión femoral con tallo cónico de fijación distal. Rev. Asoc. Argent. Ortop. Traumatol. [online]. 2017, vol.82, n.1, pp.40-47. ISSN 1852-7434.
Introduction: Proximal bone loss at the femoral stem is the main challenge facing surgeons at the time of revision total hip arthroplasty. The aim of revision surgeries is to obtain a stable placement of components and to restore joint kinematics. Methods: Between 2010 and 2014, we evaluated 37 patients (39 hips) in whom non-cemented femoral stems were used (28 modular and 11 non-modular).The average age was 63.5 years. Study patients included 18 (48.64%) women and 19 (51.35%) men. Causes of reoperation included 14 (35.89%) cases of aseptic loosening, 14 (35.89%) infections, 7 (17.94%) periprosthetic fractures, 3 (7.69%) stem fractures and one (2.56%) for instability. Mean follow-up was 42 months (range 24-74). Results: The average Harris score improved from 37 (range 10-77) points before surgery to 81 points (range 33-96) at the last follow-up. Four patients (10.2%) presented dislocation, one (2.5%) suffered a deep infection, one (2.5%) had an intra-operative fracture; 3 (7.6%) patients presented subsidence and it was necessary to revise 2 (5.1%) femoral implants. Conclusions: Satisfactory results were obtained with the femoral stem in 2 to 6 years of follow-up in several conditions of femoral revision surgeries. It requires a simple and reproducible technique with clinical improvement that has been widely published in the literature.
Keywords : Hip revision; Stem of distal fixation; Femoral revision.