Dual mobility Cup in Patients Younger Than 70 Years: Preliminary Results of a Case series
DOI:
https://doi.org/10.15417/issn.1852-7434.2025.90.5.1918Keywords:
Dual mobility cup system, primary total hip arthroplasty, adults under 70Abstract
Objective: To evaluate the clinical and radiographic outcomes of patients younger than 70 years who underwent total hip arthro- plasty with a dual mobility acetabular cup system.
Materials and Methods: Retrospective descriptive study of 61 patients (mean age, 62 years) treated with cemented and uncemented dual mobility acetabular components between 2014 and 2019. Mean follow-up was 47 months (range, 36-86). Clinical evaluation included the Harris Hip Score and the Oxford Hip Score,
together with radiographic assessment of both hips.
Results: Indications for surgery were avascular necrosis of the hip (8 cases), femoral neck fracture (17 cases), and hip osteoarthritis (36 cases). During follow-up, no dislocations or component loosening were observed. One patient reported localized pain associated with trochanteric bursitis. The mean postoperative Harris Hip Score was 95 points, and the mean Oxford Hip Score was 45, which was a significant improvement.
Conclusions: The dual mobility cup is a valid option for patients younger than 70 years, regardless of the
underlying condition. Its use reduces the risk of prosthetic dislocation and provides good clinical outcomes, while also lowering hospitalization and reoperation costs.
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