Dual mobility Cup in Patients Younger Than 70 Years: Preliminary Results of a Case series

  • María Florencia Molina Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0002-3747-044X
  • Guillermo Alejandro Ricciardi Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0002-6959-9301
  • José Diego Mancilla Vargas Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0002-0025-1251
  • Florencia Soledad Scaglione Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0002-0261-380X
  • Martín Loayza Gómez Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0001-9079-5641
  • Martín Alejandro Pérez Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0002-2163-0680
DOI: https://doi.org/10.15417/issn.1852-7434.2025.90.5.1918
Keywords: Dual mobility cup system, primary total hip arthroplasty, adults under 70

Abstract

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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Author Biographies

María Florencia Molina, Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Guillermo Alejandro Ricciardi, Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
José Diego Mancilla Vargas, Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Florencia Soledad Scaglione, Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Martín Loayza Gómez , Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Martín Alejandro Pérez, Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina
Hip and Knee Disease Department, Orthopedics and Traumatology Service, Hospital General de Agudos “Teodoro Álvarez”, Autonomous City of Buenos Aires, Argentina

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Published
2025-10-27
How to Cite
Molina, M. F., Ricciardi, G. A., Mancilla Vargas, J. D., Scaglione, F. S., Loayza Gómez , M., & Pérez, M. A. (2025). Dual mobility Cup in Patients Younger Than 70 Years: Preliminary Results of a Case series. Revista De La Asociación Argentina De Ortopedia Y Traumatología, 90(5), 410-416. https://doi.org/10.15417/issn.1852-7434.2025.90.5.1918
Issue
Vol 90 No 5 (2025): ACARO
Section
Clinical Research
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