Severe metallosis following oxidised zirconium wear in total hip arthroplasty

Gkouliopoulou, Erato; Agathangelidis, Filon; Vampertzis, Themistoklis; Ntovas, Thomas

doi:10.1136/bcr-2016-218025

Cited by 3 publications

(7 citation statements)

References 3 publications

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“…[ 20 ] Total hip arthroplasty Polyethylene dissociation Yes Gkouliopoulou et al. [ 21 ] Total hip arthroplasty Polyethylene wear-through and mechanical loosening Yes Tribe et al. [ 22 ] Total hip arthroplasty Polyethylene dissociation Yes …”

Section: Discussionmentioning

confidence: 99%

“…Multiple case reports have been published documenting dissociated polyethylene liners resulting in erosion of an Oxinium femoral head with an associated Oxinium arthrogram and severe soft tissue metallosis [ [20] , [21] , [22] ]. Complete wear and deformation of an Oxinium femoral head is not necessarily required for premature failure of a THA.…”

Section: Discussionmentioning

confidence: 99%

“…Joint replacement Failure mechanism Oxinium arthrogram Greco and Berend [17] Unicompartmental knee arthroplasty Polyethylene dissociation Yes Zou et al [20] Total hip arthroplasty Polyethylene dissociation Yes Gkouliopoulou et al [21] Total hip arthroplasty Polyethylene wear-through and mechanical loosening Yes Tribe et al [22] Total hip arthroplasty Polyethylene dissociation Yes…”

Section: Studymentioning

confidence: 99%

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The Oxinium Arthrogram: A Sign of Oxidized Zirconium Implant Failure

2021

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Oxinium implants are composed of a zirconium alloy with a hard ceramic surface formed by oxidization of the outer layer. This material has been shown to be an effective bearing surface for total joint arthroplasty and an alternative material for use in patients with metal hypersensitivity. Reports exist of metallosis due to unintended wear of Oxinium components from multiple mechanisms including polyethylene liner dissociation and joint instability. This metallosis creates a distinct appearance on radiographic imaging similar to that of an arthrogram. We report 2 cases of metallosis and describe the characteristic radiographic appearance of failed oxidized zirconium implants.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Studymentioning

confidence: 99%

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The Oxinium Arthrogram: A Sign of Oxidized Zirconium Implant Failure

2021

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“…OFH surface damage, catastrophic wear, and/or failure has been reported in several studies, [6][7][8][9][10][11][12][13][14][15][16] with most of them were case reports (►Table 1). Soft tissue reaction, metallosis, and Fig.…”

Section: Discussionmentioning

confidence: 99%

“…1,2 It has been proven in midterm in vivo studies that OFHs showed less linear and volumetric wear of polyethylene liners as compared with all other femoral heads. [3][4][5] OFHs, though seem to be less forgiving in cases of instability, have shown an accelerated pattern of implant wear and failure, as reported in several studies, [6][7][8][9][10][11][12][13][14][15][16] with fewer studies reported on the occurrence of metallosis with OFH. 11,14,15 In this case study, we present a case of failed OFH with metallosis and soft tissue reaction after recurrent hip instability incidents that necessitated revision.…”

mentioning

confidence: 99%

Hip Instability Leading to Metallosis, Polyethylene Wear, and Failure of an Oxinium Femoral Head: A Case Report and Review of Literature

Mahmoud

El-Husseini

Osman

et al. 2021

The Journal of Hip Surgery

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Oxinium is a zirconium metal alloy with an oxidized (ceramicized) surface that aims to mimic the superior wear properties of a ceramic femoral head while maintaining the high strength of metal-bearing surfaces. There are several reports that illustrate the wear and/or failure of Oxinium femoral heads following abnormal head contact with metal cup, with only a few studies reporting on the occurrence of metallosis. We present a case of metallosis and failure of Oxinium femoral head following two incidents of hip instability and one closed reduction. Successful revision was performed with cemented cup and metal femoral head, with 68 months of follow-up. We aimed to highlight the importance of achieving stable and well-oriented hip components when using Oxinium-bearing surfaces and to present a short literature review regarding the wear of oxidized zirconium-bearing surfaces in hip arthroplasty.

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Pseudoarthrogram sign — a rare radiological appearance of implant failure in the knee

Khan,

Datta,

Purohit

2024

BJR|Case Reports

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Summary We present the radiological findings in the case of a failed unicompartmental knee arthroplasty. Although uncommon, these features are highly specific for implant failure and are an indication to consider revision. The aim of this case report is to highlight these characteristic appearances across multiple imaging modalities to both surgeons and radiologists should they encounter this in their practise.

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Severe metallosis following oxidised zirconium wear in total hip arthroplasty

Cited by 3 publications

References 3 publications

The Oxinium Arthrogram: A Sign of Oxidized Zirconium Implant Failure

The Oxinium Arthrogram: A Sign of Oxidized Zirconium Implant Failure

Hip Instability Leading to Metallosis, Polyethylene Wear, and Failure of an Oxinium Femoral Head: A Case Report and Review of Literature

Pseudoarthrogram sign — a rare radiological appearance of implant failure in the knee

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