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Published on: August 4, 2022
Fully hydroxyapatite-coated total hip replacement: ten-year results.
Màrius Valera Pertegàs1, Pedro Vergara-Valladolid, Xavier Crusi-Sererols
1Orthopaedics Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain. mvalera@santpau.cat
Summary
The JRI Furlong total hip replacement (THR) system shows excellent 10-year results, with minimal aseptic loosening and high patient satisfaction. This hydroxyapatite-coated implant is suitable for primary hip arthroplasty.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
- Medical Device Technology
Background:
- Total hip replacement (THR) is a common procedure for hip osteoarthritis.
- Hydroxyapatite (HA) coating aims to improve bone integration and implant longevity.
- Assessing long-term outcomes of HA-coated implants is crucial for clinical practice.
Purpose of the Study:
- To evaluate the 10-year clinical and radiological outcomes of the JRI Furlong HA-coated THR system.
- To assess implant survival rates and identify any factors affecting outcomes.
- To determine the system's tolerance to surgical technique variations.
Main Methods:
- Prospective assessment of 254 primary total hip replacements using HA-coated stems and sockets.
- Minimum 10-year follow-up with clinical evaluation using Harris Hip Score (HHS).
- Radiological assessment for stem stability, loosening, and technical placement variations.
Main Results:
- Significant improvement in HHS from 49.8 to 86.2.
- Zero stem revisions for aseptic loosening; 1.2% cup revisions for aseptic loosening.
- Minimal thigh pain reported; no correlation between varus/valgus stem placement and clinical outcomes.
- Intraoperative femoral fractures in 9.8% did not impact implant evolution.
Conclusions:
- The JRI Furlong HA-coated system demonstrates excellent 10-year clinical and radiological performance in primary THR.
- Low rates of aseptic loosening (0% stem, 1.2% cup) support its efficacy.
- The system's robustness to implantation technique variations makes it a reliable option, even for less experienced surgeons.
