Variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty

Abstract Degradation at the modular head-neck interface in total hip arthroplasty (THA) is predominately expressed in the form of corrosion and fretting, potentially causing peri-prosthetic failure by adverse reactions to metal debris. This retrieval study aimed to quantify variations in stem taper...

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Autores principales:	Kilian Elia Stockhausen, Christoph Riedel, Alex Victoria Belinski, Dorothea Rothe, Thorsten Gehrke, Felix Klebig, Matthias Gebauer, Michael Amling, Mustafa Citak, Björn Busse
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/069365a4854a4ab4a46db97ffcee7056
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spelling	oai:doaj.org-article:069365a4854a4ab4a46db97ffcee70562021-12-02T17:16:04ZVariability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty10.1038/s41598-021-88234-32045-2322https://doaj.org/article/069365a4854a4ab4a46db97ffcee70562021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88234-3https://doaj.org/toc/2045-2322Abstract Degradation at the modular head-neck interface in total hip arthroplasty (THA) is predominately expressed in the form of corrosion and fretting, potentially causing peri-prosthetic failure by adverse reactions to metal debris. This retrieval study aimed to quantify variations in stem taper surface topographies and to assess the influence on the formation of corrosion and/or fretting in titanium alloy stem tapers combined with metal and ceramic heads. Four hip stem designs (Alloclassic, CLS, Bicontact and SL-Plus) were characterized using high-resolution 3D microscopy, and corrosion and fretting were rated using the Goldberg scoring scheme. Quantification of the taper surface topographies revealed a high variability in surface characteristics between threaded stem tapers: Alloclassic and CLS tapers feature deeply threaded trapezoid-shaped profiles with thread heights over 65 µm. The sawtooth-shaped Bicontact and triangular SL-Plus taper are characterized by low thread heights below 14 µm. Significantly lower corrosion and fretting scores were observed in lightly threaded compared to deeply threaded tapers in ceramic head combinations. No significant differences in corrosion or fretting scores with thread height were found in pairings with metal heads. Understanding the relationship between stem taper surface topography and the formation of corrosion and fretting could help to improve the performance of modern THAs and lead to longer-lasting clinical results.Kilian Elia StockhausenChristoph RiedelAlex Victoria BelinskiDorothea RotheThorsten GehrkeFelix KlebigMatthias GebauerMichael AmlingMustafa CitakBjörn BusseNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kilian Elia Stockhausen Christoph Riedel Alex Victoria Belinski Dorothea Rothe Thorsten Gehrke Felix Klebig Matthias Gebauer Michael Amling Mustafa Citak Björn Busse Variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty
description	Abstract Degradation at the modular head-neck interface in total hip arthroplasty (THA) is predominately expressed in the form of corrosion and fretting, potentially causing peri-prosthetic failure by adverse reactions to metal debris. This retrieval study aimed to quantify variations in stem taper surface topographies and to assess the influence on the formation of corrosion and/or fretting in titanium alloy stem tapers combined with metal and ceramic heads. Four hip stem designs (Alloclassic, CLS, Bicontact and SL-Plus) were characterized using high-resolution 3D microscopy, and corrosion and fretting were rated using the Goldberg scoring scheme. Quantification of the taper surface topographies revealed a high variability in surface characteristics between threaded stem tapers: Alloclassic and CLS tapers feature deeply threaded trapezoid-shaped profiles with thread heights over 65 µm. The sawtooth-shaped Bicontact and triangular SL-Plus taper are characterized by low thread heights below 14 µm. Significantly lower corrosion and fretting scores were observed in lightly threaded compared to deeply threaded tapers in ceramic head combinations. No significant differences in corrosion or fretting scores with thread height were found in pairings with metal heads. Understanding the relationship between stem taper surface topography and the formation of corrosion and fretting could help to improve the performance of modern THAs and lead to longer-lasting clinical results.
format	article
author	Kilian Elia Stockhausen Christoph Riedel Alex Victoria Belinski Dorothea Rothe Thorsten Gehrke Felix Klebig Matthias Gebauer Michael Amling Mustafa Citak Björn Busse
author_facet	Kilian Elia Stockhausen Christoph Riedel Alex Victoria Belinski Dorothea Rothe Thorsten Gehrke Felix Klebig Matthias Gebauer Michael Amling Mustafa Citak Björn Busse
author_sort	Kilian Elia Stockhausen
title	Variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty
title_short	Variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty
title_full	Variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty
title_fullStr	Variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty
title_full_unstemmed	Variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty
title_sort	variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/069365a4854a4ab4a46db97ffcee7056
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Variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty

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