Highly cross-linked polyethylene acetabular liners retrieved four to five years after revision surgery: A report of two cases

Teeter, Matthew G.; Naudie, Douglas D.R.; Charron, Kory D; Holdsworth, David W.

doi:10.1016/j.jmbbm.2010.04.002

Cited by 4 publications

(2 citation statements)

References 17 publications

(26 reference statements)

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“…CT has been validated for assessing polyethylene damage in retrieval studies, and this technique can examine the surface geometry at high resolution without destroying the implant [3,31,32]. Although there was no difference in damage scores between the XLPE and CPE groups, the CPE group had a three times greater wear rate (odds ratio, 3.1; confidence interval, 2.3-5.1) (as measured by micro-CT).…”

Section: Discussionmentioning

confidence: 99%

Highly Crosslinked Polyethylene Improves Wear But Not Surface Damage in Retrieved Acetabular Liners

Pang

Naudie

McCalden

et al. 2015

Clinical Orthopaedics &Amp; Related Research

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Section: Discussionmentioning

confidence: 99%

Highly Crosslinked Polyethylene Improves Wear But Not Surface Damage in Retrieved Acetabular Liners

Pang

Naudie

McCalden

et al. 2015

Clinical Orthopaedics &Amp; Related Research

Self Cite

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“…This particular geometry, for each model, was then imported into dimensioning software (Geomagic Qualify, 3D Systems Inc., Cary, NC, USA). [ 7 ] Three-dimensional (3D) comparisons were then made between the six 36 mm diameter inserts and the two 38 mm diameter inserts. Intersystem comparisons were conducted by co-registering two inserts at a time, using an iterative closest points algorithm to determine the best fit between the two articular surface geometries.…”

Section: Methodsmentioning

confidence: 99%

Inter and intra-system size variability of reverse shoulder arthroplasty polyethylene inserts

Teeter

Dawson

Athwal

2016

Int J Shoulder Surg

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Background:As the incidence of reverse shoulder arthroplasty (RSA) increases, so will the revision burden. At times, the revision surgeon may be faced with a well-fixed component on one side of the joint and revision implants from a different manufacturer. The ability to use glenoid and humeral implants from different manufacturers could simplify the revision procedure. This study hypothesized that across a range of RSA systems, some implants would demonstrate high size compatibility and others would demonstrate low compatibility.Materials and Methods:Six polyethylene inserts each from eight reverse total shoulder arthroplasty systems were examined (48 total inserts). All inserts were scanned using a laboratory micro-computed tomography scanner at 50 μm isotropic voxel spacing, and their surface geometries were reconstructed. The different implant geometries were co-registered, and the three-dimensional (3D) variability between the articular surfaces of the different implant systems was measured. Intrasystem manufacturing variability was also determined by measuring the 3D variability of inserts from the same system.Results:The intersystem polyethylene articular surface deviations between same-size systems were not significantly different (P = 0.61) and were a mean maximum of 60 ± 16 μm (range: 30-80 μm). Intrasystem manufacturing variability was equivalent between all but two models, averaging 49 ± 17 μm (range: 23-99 μm).Discussion:Differences in articular geometry between same-size inserts from different systems were on the same scale as intrasystem manufacturing variability, suggesting that different implant systems of the same nominal diameter could potentially be used interchangeably in revision or extenuating circumstances.Conclusion:The results of this study suggest that surgeons can theoretically interchange same-sized implant components from the different RSA systems tested when conducting revisions.

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Highly Cross-Linked vs Conventional Polyethylene: No Differences in Rim Notching From Micromotion on Retrieved Acetabular Liners

Paterson

Teeter

MacDonald

et al. 2012

The Journal of Arthroplasty

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Highly cross-linked polyethylene acetabular liners retrieved four to five years after revision surgery: A report of two cases

Cited by 4 publications

References 17 publications

Highly Crosslinked Polyethylene Improves Wear But Not Surface Damage in Retrieved Acetabular Liners

Highly Crosslinked Polyethylene Improves Wear But Not Surface Damage in Retrieved Acetabular Liners

Inter and intra-system size variability of reverse shoulder arthroplasty polyethylene inserts

Highly Cross-Linked vs Conventional Polyethylene: No Differences in Rim Notching From Micromotion on Retrieved Acetabular Liners

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