Trabecular metal spacers as standalone or with pedicle screw augmentation, in posterior lumbar interbody fusion: a prospective, randomized controlled trial

Kelft, Erik Van de; Goethem, Johan Van

doi:10.1007/s00586-015-4229-y

Cited by 24 publications

(16 citation statements)

References 52 publications

(65 reference statements)

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“…Similar clinical evaluation results including Oswestry Disability Index (ODI), VAS and SF-36 scores were revealed at 2-year follow-up point [134]. And equivalent X-ray results of both groups evaluated at 6-year follow-up proposed that porous Ta standalone fashion could provide stability for lumbar spine interbody fusion without additional fixation or bone grafting [134]. However, RCTs are still rare used to definitely corroborate the clinical value of porous Ta cages for lumbar spine fusion surgery either used as standalone fashion or augmented with posterior screws.…”

Section: Spine Intervertebral Fusionsupporting

confidence: 66%

Section: Spine Intervertebral Fusionmentioning

confidence: 90%

“…Furthermore, in a randomized controlled trail (RCT), 80 patients were either enrolled into standalone porous Ta cage fusion group or pedicle screws supplemented group [134]. Similar clinical evaluation results including Oswestry Disability Index (ODI), VAS and SF-36 scores were revealed at 2-year follow-up point [134]. And equivalent X-ray results of both groups evaluated at 6-year follow-up proposed that porous Ta standalone fashion could provide stability for lumbar spine interbody fusion without additional fixation or bone grafting [134].…”

Section: Spine Intervertebral Fusionmentioning

confidence: 99%

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The Clinical Application of Porous Tantalum and Its New Development for Bone Tissue Engineering

Huang¹,

Pan²,

Qiu³

2021

Preprint

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Porous tantalum (Ta) is a promising biomaterial and has been applied in orthopedics and dentistry for nearly two decades. The high porosity and interconnected pore structure of porous Ta promise fine bone ingrowth and new bone formation within the inner space, which further guarantee rapid osteointegration and bone-implant stability in long term. Porous Ta has high wettability and surface energy that can facilitate adherence, proliferation and mineralization of osteoblasts. Meanwhile, low elastic modulus and high friction coefficient of porous Ta can effectively avoid stress shield effect, minimize marginal bone loss and ensure primary stability. Accordingly, the satisfactory clinical application of porous Ta based implants or prostheses are mainly derived from its excellent biological and mechanical properties. With the advent of additive manufacturing, personalized porous Ta based implants or prostheses have shown their clinical value in the treatment of individual patient who need specially designed implant or prosthesis. In addition, many modification methods have been introduced to enhance the bioactivity and antibacterial property of porous Ta with promising in vitro and in vivo research results. In any case, choosing suitable patients is of great importance to guarantee surgical success after porous Ta insertion.

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Section: Spine Intervertebral Fusionsupporting

confidence: 66%

Section: Spine Intervertebral Fusionmentioning

confidence: 90%

Section: Spine Intervertebral Fusionmentioning

confidence: 99%

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The Clinical Application of Porous Tantalum and Its New Development for Bone Tissue Engineering

Huang¹,

Pan²,

Qiu³

2021

Preprint

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“…In addition, observation of the interbody space is sometimes difficult due to halation created by metals, such as tantalum, contained in cages. 9 In this study, therefore, instead of arthrodesis we used VECF as our primary outcome. The assessment of VECF is easier than that of arthrodesis and is expected to decrease bias in observers' judgments.…”

Section: Discussionmentioning

confidence: 99%

Vertebral Endplate Cyst Formation in Relation to Properties of Interbody Cages

et al. 2021

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This retrospective study aimed to compare vertebral endplate cyst formation (VECF), an early predictor for pseudoarthrosis, in different types of interbody cages. Methods: We reviewed 84 cases treated with single-level posterior/transforaminal lumbar interbody fusion. We utilized a polyetheretherketone cage in 20 cases (group P), a titanium cage in 16 cases (group Ti), a titanium-coating polyetheretherketone cage in 13 cases (group TiP) and a porous tantalum cage in 35 cases (group Tn). VECF was evaluated comparing the computed tomography scans taken at day 0 and 6-month postoperation. We defined VECF (+) as enlargement of a pre-existing cyst or de novo formation of a cyst with the diameter over 2 mm. We calculated the adjusted odds ratio (OR) and 95% confidence intervals (CIs) as an indicator of association between different types of cages and VECF using a logistic regression model. Results: VECF was observed in 13 (65%), 7 (44%), 9 (69%), and 8 (23%) cases in groups P, Ti, TiP and Tn, respectively. VECF correlated with the type of cage (p = 0.04). In comparison with group P, the proportion of VECF (+) cases was lower in group Tn (OR, 0.16; 95% CI, 0.04-0.60) but not different in group Ti (OR, 0.47; 95% CI, 0.10-2.20) and group TiP (OR, 1.06; 95% CI, 0.21-5.28). No patient underwent additional surgery for the fused spinal level during the follow-up periods (average, 37.9 months; range, 6-76 months). Conclusion: VECF was the least in the porous Tn cage, suggesting its potential superiority for initial stability.

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“…Studies have shown that titanium porous surface EBMT, prepared based on superior biological properties, can promote cell attachment, growth, and stem cell osteogenic differentiation. [ 20 – 22 ] Biological materials can increase the metal-binding capacity of cells, thus greatly increasing bone prosthesis metal-binding capacity, which results in better mechanical properties. [ 23 ]…”

Section: Discussionmentioning

confidence: 99%

A new 3D printed titanium metal trabecular bone reconstruction system for early osteonecrosis of the femoral head

Zhang

Sun

et al. 2018

Medicine

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Presently, biomechanical support therapy for the femoral head has become an important approach in the treatment of early osteonecrosis of the femoral head (ONFH). Previous studies have reported that the titanium metal trabecular bone reconstruction systems (TMTBRS) achieved satisfactory clinical results for the treatment of early femoral head necrosis. Electron beam melting technology (EBMT) is an important branch of 3D printing technology, which enables the construction of an interface that is required for support of bone in-growth. However, the effect of TMTBRS created using EBMT for clinical applications for early ONFH is still unknown. At present, there are no reports on this topic worldwide. The purpose of this study was to assess the safety of a new 3D printed TMTBRS implant and to evaluate its clinical efficacy in early ONFH.Thirty patients who underwent surgery for ONFH were selected. The stages of ONFH were classified according to the Association Research Circulation Osseus (ARCO) classification. They were followed-up and radiological examination was performed at 6, 12, and 24 months post-surgery to assess TMTBRS stability and bone growth in the bone trabecular holder portion surface. To evaluate hip function, postoperative Harris and Visual Analogue Scale (VAS) scores were used.The postoperative Harris score increased significantly and VAS score decreased significantly at the 12-month follow-up compared to the 24-month follow-up, wherein the Harris score declined slightly and the VAS score was slightly elevated with the aggravation of ONFH. With the passage of time, postoperative improvement rates were 100% for IIA, 70% for IIB, and 0% for IIC. Hip-preserving rates were 100% for IIA, 100% for IIB, and 50% for IIC.The effect of TMTBRS treatment for early ONFH in ARCO IIA and ARCO IIB is satisfactory. However, it is not recommended for a relatively large area of necrosis such as in ARCO IIC.

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Trabecular metal spacers as standalone or with pedicle screw augmentation, in posterior lumbar interbody fusion: a prospective, randomized controlled trial

Cited by 24 publications

References 52 publications

The Clinical Application of Porous Tantalum and Its New Development for Bone Tissue Engineering

The Clinical Application of Porous Tantalum and Its New Development for Bone Tissue Engineering

Vertebral Endplate Cyst Formation in Relation to Properties of Interbody Cages

A new 3D printed titanium metal trabecular bone reconstruction system for early osteonecrosis of the femoral head

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