Clinical evaluation following the use of mineralized collagen graft for bone defects in revision total hip arthroplasty

Regenerative Biomaterials
Cheng HuangXiangjie Huang

Abstract

Revision total hip arthroplasty (THA) with massive bone loss has been a real challenge for orthopaedic surgeons. Here we describe an approach using mineralized collagen (MC) graft to reconstruct acetabulum and femur with massive bone defects. We identified 89 patients suffering acetabular or femoral bone defects after primary THA, who required revision THA for this study. During the surgery, MC was applied to reconstruct both the acetabular and femoral defects. Harris hip score was used to evaluate hip function while radiographs were taken to estimate bone formation in the defect regions. The average follow-up period was 33.6 ± 2.4 months. None of the components needed re-revised. Mean Harris hip scores were 42.5 ± 3.5 before operation, 75.2 ± 4.0 at 10th month and 95.0 ± 3.6 at the final follow-up. There were no instances of deep infection, severe venous thrombosis or nerve palsy. The present study demonstrated that MC graft can serve as a promising option for revision THA with massive bone deficiency. Meanwhile, extended follow-up is needed to further prove its long-term performance.

References

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Jan 1, 2008·The Journal of Arthroplasty·Hui ZhangFu-Xing Pei
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Apr 7, 2015·Regenerative Biomaterials·Baolin GuoPeter X Ma

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Citations

Jul 27, 2020·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Rashid TikhilovStanislav Bilyk

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