Cargando…

Three Femoral Stem Designs Without Corrosion: A Review of 2095 Stems

INTRODUCTION: Corrosion at the head–neck interface of modular components in total hip arthroplasty (THA) has been reported as a cause of failure of modern total hip replacement implants. While this method of failure has been well described, it remains poorly understood. The purpose of this study is...

Descripción completa

Detalles Bibliográficos
Autores principales: Naudie, Douglas D R, Ndoja, Silvio, Wood, Thomas J, Somerville, Lyndsay E, Howard, James L, McCalden, Richard W, MacDonald, Steven J, Lanting, Brent A
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Dove 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7509484/
https://www.ncbi.nlm.nih.gov/pubmed/32982490
http://dx.doi.org/10.2147/ORR.S259337
_version_ 1783585606352240640
author Naudie, Douglas D R
Ndoja, Silvio
Wood, Thomas J
Somerville, Lyndsay E
Howard, James L
McCalden, Richard W
MacDonald, Steven J
Lanting, Brent A
author_facet Naudie, Douglas D R
Ndoja, Silvio
Wood, Thomas J
Somerville, Lyndsay E
Howard, James L
McCalden, Richard W
MacDonald, Steven J
Lanting, Brent A
author_sort Naudie, Douglas D R
collection PubMed
description INTRODUCTION: Corrosion at the head–neck interface of modular components in total hip arthroplasty (THA) has been reported as a cause of failure of modern total hip replacement implants. While this method of failure has been well described, it remains poorly understood. The purpose of this study is to review the three most commonly used uncemented femoral stems at our institution over the last fifteen years and to correlate any established risk factors with rates of revision, particularly corrosion. METHODS: We reviewed 2095 patients from March 2000 to September 2015 who underwent total hip arthroplasty with one of three uncemented femoral stem designs. All stems were made of a Ti6Al4V alloy with a 12/14 taper design. We included only those stems coupled with a CoCr head and a highly crosslinked polyethylene liner. We evaluated age, gender, body mass index (BMI), femoral head size, head length, neck angle and offset and correlated these to the incidence of all cause revision, as well as revision excluding infection. RESULTS: There were no recognized corrosion-related revisions identified. There was no association between age, BMI, gender, head length, neck angle and offset to all cause revision or revision with infection excluded (p>0.05). Femoral head size less than 32mm was associated with higher all cause revision rates (OR 4.60 (95% CI 1.8, 11.8)) and when excluding infection as a reason for revision (OR 4.94 (95% CI 1.7, 14.41)). CONCLUSION: Over the last fifteen years, we have not identified any cases of corrosion with the three most commonly used femoral stems used at out institution. While we acknowledge that no femoral stem is immune to corrosion, certain femoral stem designs may be uniquely resistant to this mode of failure. LEVEL OF EVIDENCE: III.
format Online
Article
Text
id pubmed-7509484
institution National Center for Biotechnology Information
language English
publishDate 2020
publisher Dove
record_format MEDLINE/PubMed
spelling pubmed-75094842020-09-24 Three Femoral Stem Designs Without Corrosion: A Review of 2095 Stems Naudie, Douglas D R Ndoja, Silvio Wood, Thomas J Somerville, Lyndsay E Howard, James L McCalden, Richard W MacDonald, Steven J Lanting, Brent A Orthop Res Rev Original Research INTRODUCTION: Corrosion at the head–neck interface of modular components in total hip arthroplasty (THA) has been reported as a cause of failure of modern total hip replacement implants. While this method of failure has been well described, it remains poorly understood. The purpose of this study is to review the three most commonly used uncemented femoral stems at our institution over the last fifteen years and to correlate any established risk factors with rates of revision, particularly corrosion. METHODS: We reviewed 2095 patients from March 2000 to September 2015 who underwent total hip arthroplasty with one of three uncemented femoral stem designs. All stems were made of a Ti6Al4V alloy with a 12/14 taper design. We included only those stems coupled with a CoCr head and a highly crosslinked polyethylene liner. We evaluated age, gender, body mass index (BMI), femoral head size, head length, neck angle and offset and correlated these to the incidence of all cause revision, as well as revision excluding infection. RESULTS: There were no recognized corrosion-related revisions identified. There was no association between age, BMI, gender, head length, neck angle and offset to all cause revision or revision with infection excluded (p>0.05). Femoral head size less than 32mm was associated with higher all cause revision rates (OR 4.60 (95% CI 1.8, 11.8)) and when excluding infection as a reason for revision (OR 4.94 (95% CI 1.7, 14.41)). CONCLUSION: Over the last fifteen years, we have not identified any cases of corrosion with the three most commonly used femoral stems used at out institution. While we acknowledge that no femoral stem is immune to corrosion, certain femoral stem designs may be uniquely resistant to this mode of failure. LEVEL OF EVIDENCE: III. Dove 2020-09-17 /pmc/articles/PMC7509484/ /pubmed/32982490 http://dx.doi.org/10.2147/ORR.S259337 Text en © 2020 Naudie et al. http://creativecommons.org/licenses/by-nc/3.0/ This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).
spellingShingle Original Research
Naudie, Douglas D R
Ndoja, Silvio
Wood, Thomas J
Somerville, Lyndsay E
Howard, James L
McCalden, Richard W
MacDonald, Steven J
Lanting, Brent A
Three Femoral Stem Designs Without Corrosion: A Review of 2095 Stems
title Three Femoral Stem Designs Without Corrosion: A Review of 2095 Stems
title_full Three Femoral Stem Designs Without Corrosion: A Review of 2095 Stems
title_fullStr Three Femoral Stem Designs Without Corrosion: A Review of 2095 Stems
title_full_unstemmed Three Femoral Stem Designs Without Corrosion: A Review of 2095 Stems
title_short Three Femoral Stem Designs Without Corrosion: A Review of 2095 Stems
title_sort three femoral stem designs without corrosion: a review of 2095 stems
topic Original Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7509484/
https://www.ncbi.nlm.nih.gov/pubmed/32982490
http://dx.doi.org/10.2147/ORR.S259337
work_keys_str_mv AT naudiedouglasdr threefemoralstemdesignswithoutcorrosionareviewof2095stems
AT ndojasilvio threefemoralstemdesignswithoutcorrosionareviewof2095stems
AT woodthomasj threefemoralstemdesignswithoutcorrosionareviewof2095stems
AT somervillelyndsaye threefemoralstemdesignswithoutcorrosionareviewof2095stems
AT howardjamesl threefemoralstemdesignswithoutcorrosionareviewof2095stems
AT mccaldenrichardw threefemoralstemdesignswithoutcorrosionareviewof2095stems
AT macdonaldstevenj threefemoralstemdesignswithoutcorrosionareviewof2095stems
AT lantingbrenta threefemoralstemdesignswithoutcorrosionareviewof2095stems