In Vivo Corrosion of Sleeved Ceramic Femoral Heads : A Retrieval Study
Copyright © 2020. Published by Elsevier Inc..
BACKGROUND: The purpose of this study was to evaluate a series of retrieved sleeved ceramic femoral heads used in total hip arthroplasty (THA) and determine qualitative and quantitative damage and corrosion patterns.
METHODS: An IRB-approved implant retrieval database was utilized to identify all sleeved ceramic femoral heads collected from 1995 to 2004. There were 16 implants with an average duration of in situ of 70 months (range, 13-241 months). The femoral stem was known in 14 cases and was titanium alloy in each of those cases. None were revised for metal-related complications. Ten implants (63%) were from primary THAs, and 6 (38%) were from revision THAs. Damage and corrosion were qualitatively graded using a modified Goldberg method. A quantitative assessment was performed with a coordinate measurement machine (CMM).
RESULTS: Among the 16 retrieved implants, 1 (6%) demonstrated severe Grade 4 corrosion, 5 (31%) had moderate Grade 3 corrosion, 5 (31%) had mild Grade 2 corrosion, and 5 (31%) had no visible corrosion at the inner sleeve that interfaces with the stem trunnion. The only case of grade 4 corrosion occurred in the only head-sleeve in the study that was not factory assembled and was mated with a titanium molybdenum zirconium ferrous (TMZF) alloy stem. The mean maximum linear corrosion depth at the taper interface, as measured by the CMM, was 7.7 microns (range, 0.9-32.9 microns).
CONCLUSION: This study is the first to quantify corrosion at the titanium interface of sleeved ceramic femoral heads. Potentially clinically significant damage and corrosion patterns were observed in a few failed retrievals; however, the majority of cases demonstrated minimal or no damage.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
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| Enthalten in: |
The Journal of arthroplasty - 36(2021), 3 vom: 25. März, Seite 1133-1137 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wyles, Cody C [VerfasserIn] |
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| Links: |
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| Themen: |
Ceramic femoral head |
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| Anmerkungen: |
Date Completed 30.04.2021 Date Revised 30.04.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.arth.2020.10.005 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM316903884 |
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| 100 | 1 | |a Wyles, Cody C |e verfasserin |4 aut | |
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| 500 | |a Date Completed 30.04.2021 | ||
| 500 | |a Date Revised 30.04.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020. Published by Elsevier Inc. | ||
| 520 | |a BACKGROUND: The purpose of this study was to evaluate a series of retrieved sleeved ceramic femoral heads used in total hip arthroplasty (THA) and determine qualitative and quantitative damage and corrosion patterns | ||
| 520 | |a METHODS: An IRB-approved implant retrieval database was utilized to identify all sleeved ceramic femoral heads collected from 1995 to 2004. There were 16 implants with an average duration of in situ of 70 months (range, 13-241 months). The femoral stem was known in 14 cases and was titanium alloy in each of those cases. None were revised for metal-related complications. Ten implants (63%) were from primary THAs, and 6 (38%) were from revision THAs. Damage and corrosion were qualitatively graded using a modified Goldberg method. A quantitative assessment was performed with a coordinate measurement machine (CMM) | ||
| 520 | |a RESULTS: Among the 16 retrieved implants, 1 (6%) demonstrated severe Grade 4 corrosion, 5 (31%) had moderate Grade 3 corrosion, 5 (31%) had mild Grade 2 corrosion, and 5 (31%) had no visible corrosion at the inner sleeve that interfaces with the stem trunnion. The only case of grade 4 corrosion occurred in the only head-sleeve in the study that was not factory assembled and was mated with a titanium molybdenum zirconium ferrous (TMZF) alloy stem. The mean maximum linear corrosion depth at the taper interface, as measured by the CMM, was 7.7 microns (range, 0.9-32.9 microns) | ||
| 520 | |a CONCLUSION: This study is the first to quantify corrosion at the titanium interface of sleeved ceramic femoral heads. Potentially clinically significant damage and corrosion patterns were observed in a few failed retrievals; however, the majority of cases demonstrated minimal or no damage | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Review | |
| 650 | 4 | |a ceramic femoral head | |
| 650 | 4 | |a corrosion | |
| 650 | 4 | |a retrieval | |
| 650 | 4 | |a sleeved ceramic | |
| 650 | 4 | |a total hip arthroplasty | |
| 650 | 4 | |a wear | |
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| 700 | 1 | |a Van Citters, Douglas W |e verfasserin |4 aut | |
| 700 | 1 | |a Berry, Daniel J |e verfasserin |4 aut | |
| 700 | 1 | |a Trousdale, Robert T |e verfasserin |4 aut | |
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