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Background  The lifetime implants is a key parameter that the surgeon should take into account at the time of the primary total hip arthroplasty (THA). The aim of this study was a clinical and radiographical evaluation of the Delta PF-FIT (LimaCorporate, Italy) THA system with ceramic-on-ceramic articulations. We have not found a clinical or radiographical assessment of this implant in available published literature.    Methods  A total of 197 (F = 94, M = 103) primary THAs were evaluated in 163 patients with a mean follow-up of 7.7 years (range 5.1–11.2 years (SD ± 1.5)) Harris hip Score (HHS) and the Western Ontario and McMaster Universities Arthritis index (WOMAC) were used for the clinical evaluation. The statistical evaluation was processed by standard statistical methods. The study was approved by Ethic Committee of the University Hospital Motol (Reference No. EK-73/19).    Results  The mean HHS score was found to be 97.59 points (61–100 range with a ± 5.13 SD, preoperative HSS was 51.21, range 28–73 with a ± 4,77 SD). 186 THAs were evaluated as excellent (90–100 points), 9 THAs rated as good (80–89 points), 1 THA was rated as fair (70–79) points and 1 THA rated as poor (less than 70 points). The mean WOMAC score was 97.38 points (65–100 range with a ± 5.18 SD, preoperative was 50,12, range 27–69 with a ± 4.85 SD). We documented an overall 99.49% Kaplan-Meier survival with a mean follow-up of 7.7 years with the FIT (LimaCorporate) stem revision and any component revision as the endpoint. With the Delta PF (LimaCorporate) cup revision as the endpoint, the survival was 100%. We have not found a previously published clinical or radiographical review of this THA system, the study shows a comparison with other THA implants.    Conclusion  Evaluation of the Delta-PF-FIT (LimaCorporate, Italy) THA system with the use of ceramic-on-ceramic BIOLOX®Delta articulation surfaces shows very good outcomes.

bmc musculoskeletal disorders

Results of 198 primary total hip arthroplasties using the Delta PF-FIT system with ceramic-on-ceramic articulating surfaces with average seven years follow up