Introduction. In a five-year follow-up comparative study we will present the outcomes after implantation of three cementless short femoral stems : MINIHIP (Corin), SMF (Smith&Nephew) and FURLONG EVOLUTION (jRi). Material and methods. We have analysed the data of 180 patients (88 females, 92 males), in three groups of 60 patients, each group using a different implant. Evaluation of the radiographic outcomes was assessed for: subsidence, angular stem migration, stress shielding, malalignment and periprosthetic fractures. Results and Conclusion. SMF stem is less stable in comparison to MINIMHIP and EVOLUTION, differences are statistically significant, in vertical (subsidence P=0,011) and in angular migration (frontal plane-varus P=0,008). We didn't find statistically significant differences comparing MINIMHIP and EVOLUTION stems in vertical and angular migration. Revision hip arthroplasty was necessary only after implantation of the SMF stem 6 cases. All three stems can be implanted using minimally invasive direct anterior approach /DAA/. All three stems can be replaced using a conventional hip stem if revision hip arthroplasty is necessary.
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