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Journal of Long-Term Effects of Medical Implants

Publicado 4 números por año

ISSN Imprimir: 1050-6934

ISSN En Línea: 1940-4379

SJR: 0.184 SNIP: 0.485 CiteScore™:: 1.1 H-Index: 39

Indexed in

Measurements of Surface and Subsurface Damage in Retrieved Polyethylene Tibial Inserts of a Contemporary Design

Volumen 22, Edición 1, 2012, pp. 21-31
DOI: 10.1615/JLongTermEffMedImplants.v22.i1.40
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SINOPSIS

In the present study, surface and subsurface damage due to wear and creep in retrieved tibial inserts from the Genesis II total knee replacement (Smith & Nephew, Memphis, TN) are quantified. The utility of a number of recently validated micro-computed tomography (micro-CT) techniques for use in retrieval studies are also demonstrated. Sixteen inserts retrieved from patients after an implantation time from 0.5 to 86 months were examined. The inserts were scanned using micro-CT, and the three-dimensional surface deviations (corresponding to wear and creep) between the retrieved inserts and a reference geometry were determined. The subsurface of the inserts was also examined. Deviations within damage features were measured, and a surface deviation rate (mm/ year) was calculated from the length of implantation. No subsurface fatigue damage was found. The mean deviation within the most damaged regions of the articular surface was 0.115 ± 0.064 mm medially and 0.099 ± 0.061 mm laterally (p = 0.20). The mean articular deviation rate for inserts in vivo for more than 1 year was 0.049 mm/year and was reduced to 0.026 mm/year in inserts implanted for more than 4 years. Wear and creep of the Genesis II PE insert was comparable to reported values in other total knee replacements.

CITADO POR
  1. Teeter Matthew G, Seslija Petar, Milner Jaques S, Nikolov Hristo N, Yuan Xunhua, Naudie Douglas D R, Holdsworth David W, Quantification ofin vivoimplant wear in total knee replacement from dynamic single plane radiography, Physics in Medicine and Biology, 58, 9, 2013. Crossref

  2. Teeter Matthew G., Parikh Amit, Taylor Marc, Sprague Jeff, Naudie Douglas D., Wear and Creep Behavior of Total Knee Implants Undergoing Wear Testing, The Journal of Arthroplasty, 30, 1, 2015. Crossref

  3. Gascoyne Trevor C., Teeter Matthew G., Guenther Leah E., Burnell Colin D., Bohm Eric R., Naudie Douglas R., In Vivo Wear Performance of Cobalt-Chromium Versus Oxidized Zirconium Femoral Total Knee Replacements, The Journal of Arthroplasty, 31, 1, 2016. Crossref

  4. Teeter Matthew G., Wihlidal Jacob, McCalden Richard W., Yuan Xunhua, MacDonald Steven J., Lanting Brent A., Naudie Douglas D., Radiostereometric Analysis Permits In Vivo Measurement of Very Small Levels of Wear in TKA, Clinical Orthopaedics & Related Research, 477, 1, 2019. Crossref

  5. Day Judd S., Abboud Joseph A., Implant Retrieval, in Reverse Shoulder Arthroplasty, 2016. Crossref

  6. Anderson F. L., Koch C. N., Elpers M. E., Wright T. M., Haas S. B., Heyse T. J., Oxidised zirconium versus cobalt alloy bearing surfaces in total knee arthroplasty, The Bone & Joint Journal, 99-B, 6, 2017. Crossref

  7. Teeter M. G., Thoren J., Yuan X., McCalden R. W., MacDonald S. J., Lanting B. A., Naudie D. D. R., Migration of a cemented fixed-bearing, polished titanium tibial baseplate (Genesis II) at ten years, The Bone & Joint Journal, 98-B, 5, 2016. Crossref

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