ArticleInternational orthopaedics2016
Early failures of porous tantalum osteonecrosis implants: a case series with retrieval analysis.
Article in International orthopaedics, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.
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Who cites it
19 citing papers in PubMed, 1 synthesis or guideline pooled it, 34 citations in OpenAlex.
- What is the rate of patients undergoing a total hip arthroplasty after core decompression and insertion of a tantalum rod in osteonecrosis of the femoral head: a systematic review.International orthopaedics · 2018Pooled it
- Techniques of core decompression in the treatment of idiopathic avascular necrosis of the femoral head.Archives of orthopaedic and trauma surgery · 2024Review
- Bone tissue engineering for treating osteonecrosis of the femoral head.Exploration (Beijing, China) · 2023Review
- Research progress and clinical translation of three-dimensional printed porous tantalum in orthopaedics.Biomaterials translational · 2023Review
- Preparation, modification, and clinical application of porous tantalum scaffolds.Frontiers in bioengineering and biotechnology · 2023Review
- Hip Resurfacing Arthroplasty after Failure of Tantalum Rod Insertion in Patients with Osteonecrosis of the Femoral Head.Hip & pelvis · 2022Article
- Analysis of peripheral bone reconstruction after the failure of hip osteonecrosis treatment with porous tantalum rod implantation.International orthopaedics · 2022Article
- Porous tantalum implant for treatment of early-stage osteonecrosis of the femoral head: a minimum 5-year follow-up study.BMC surgery · 2021Article
- The Clinical Application of Porous Tantalum and Its New Development for Bone Tissue Engineering.Materials (Basel, Switzerland) · 2021Review
- The outcome of hyperbaric oxygen therapy versus core decompression in the non-traumatic avascular necrosis of the femoral head: Retrospective Cohort Study.Annals of medicine and surgery (2012) · 2021Article
- Comparison of core decompression and porous tantalum rod implantation with conservative treatment for avascular necrosis of the femoral head: A minimum 18 month follow-up study.Experimental and therapeutic medicine · 2020Article
- Modified trapdoor procedures using autogenous tricortical iliac graft without preserving the broken cartilage for treatment of osteonecrosis of the femoral head: a prospective cohort study with historical controls.Journal of orthopaedic surgery and research · 2020Article
- The Comparative Analysis of Antegrade Versus Retrograde Approach for a Failed Porous Tantalum Rod Removal During Conversion to Total Hip Arthroplasty.Medical science monitor : international medical journal of experimental and clinical research · 2020Article
- Application of biomaterials for the repair and treatment of osteonecrosis of the femoral head.Regenerative biomaterials · 2020Review
- Outcome after a new porous tantalum rod implantation for treatment of early-stage femoral head osteonecrosis.Annals of translational medicine · 2019Article
- Revision of ASR hip arthroplasty: analysis of two hundred and ninety six recalled patients at seven years.International orthopaedics · 2019Article
- Total hip arthroplasty following failure of tantalum rod implantation for osteonecrosis of the femoral head with 5- to 10-year follow-up.BMC musculoskeletal disorders · 2018Article
- Real-time computerised tomography assisted porous tantalum implant in ARCO stage I-II non-traumatic osteonecrosis of the femoral head: minimum five-year follow up.International orthopaedics · 2018Article
- 3D printing of Mg-substituted wollastonite reinforcing diopside porous bioceramics with enhanced mechanical and biological performances.Bioactive materials · 2016Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundsPorous tantalum osteonecrosis implants have been used in femoral head necrosis for several years, while the clinical outcomes were mixed. As a joint-preserving surgery, early necrosis deterioration and conversion to total hip arthroplasy failed our expectation. We hence investigate an observational study with retrieval analysis to find out the underlying reasons.
methodsThirteen patients were treated with core decompression and implantation of a tantalum rod. The cases were evaluated both functionally and radiologically. We retrieved and analyzed the micro-structural changes and the histopathologic features of four early failed femoral heads with scanning electron microscopy, histopathologic examination, and micro-CT scaning.
resultsAll implants were placed in proper positions. One-year survival rate was 64.29 % with a HSS score of 81.11 ± 15.62. Four patients converted to arthroplasty in a mean time of 305 days (0.84 years), with a HSS score of 43.75 ± 7.5 at the last follow-up. A liquid layer surrounded the tantalum implant was noted on MRI in all four failed cases. Volume render CT remodeling revealed interspace between the metal and bone. Scanning electron microscopy and histopathologic examination indicated sparse and isolated bone ingrowth into the implants. The remodeled trabecular bone and the increased density around the peri-implant area were illustrated with micro-CT scaning.
conclusionsThe deterioration of early failed tantalum implant exceeds the nature of osteonecrosis progression. Rather than insufficient mechanical support resulting in improper position and invalid bone ingrowth, nullification of core decompression and consequential intra-osseous pressurization probably led to early failure of porous tantalum osteonecrosis implants.
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