Catastrophic failure of a dual mobility bearing in a revision total hip arthroplasty

The following case demonstrates an example of a catastrophic failure of a dual mobility (DM) bearing used in the setting of a revision total hip arthroplasty for an acetabular component with an excessive abduction angle. Currently, in the literature, it has been demonstrated that DM bearings have de...

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Main Authors:	Brett G. Brazier, BA, Ethan R. Wren, DO, Michael J. Blackmer, DO, Dominic V. Marino, DO, Jason M. Cochran, DO
Format:	Article
Language:	English
Published:	Elsevier 2018-09-01
Series:	Arthroplasty Today
Online Access:	http://www.sciencedirect.com/science/article/pii/S2352344118300426

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spelling	doaj-14dd590fbb9c4195b11adf9cfa59ba912020-11-25T02:47:49ZengElsevierArthroplasty Today2352-34412018-09-0143275278Catastrophic failure of a dual mobility bearing in a revision total hip arthroplastyBrett G. Brazier, BA0Ethan R. Wren, DO1Michael J. Blackmer, DO2Dominic V. Marino, DO3Jason M. Cochran, DO4College of Osteopathic Medicine, Michigan State University, East Lansing, MI, USA; Corresponding author. 4185 Cornell Road, Okemos, MI 48874, USA. Tel.: +1 517 347 3735.Department of Orthopedic Surgery, Michigan State University, East Lansing, MI, USADepartment of Orthopedic Surgery, Michigan State University, East Lansing, MI, USADepartment of Orthopedic Surgery, Michigan State University, East Lansing, MI, USADepartment of Orthopedic Surgery, McLaren Greater Lansing Hospital, Sparrow Hospital, Michigan State University, East Lansing, MI, USAThe following case demonstrates an example of a catastrophic failure of a dual mobility (DM) bearing used in the setting of a revision total hip arthroplasty for an acetabular component with an excessive abduction angle. Currently, in the literature, it has been demonstrated that DM bearings have decreased polyethylene wear at abduction angles up to 65°; however, this has only been shown in in vitro studies. To our knowledge, there have been no reports of in vivo DM bearings that have demonstrated these same results. In this case, a DM bearing was used in a revision surgery with a retained acetabular component that had an abduction angle of approximately 70°-75° which ultimately led to catastrophic polyethylene failure. Keywords: Dual mobility bearing, Polyethylene wear, Revision total hip arthroplasty, Increased abduction anglehttp://www.sciencedirect.com/science/article/pii/S2352344118300426
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Brett G. Brazier, BA Ethan R. Wren, DO Michael J. Blackmer, DO Dominic V. Marino, DO Jason M. Cochran, DO
spellingShingle	Brett G. Brazier, BA Ethan R. Wren, DO Michael J. Blackmer, DO Dominic V. Marino, DO Jason M. Cochran, DO Catastrophic failure of a dual mobility bearing in a revision total hip arthroplasty Arthroplasty Today
author_facet	Brett G. Brazier, BA Ethan R. Wren, DO Michael J. Blackmer, DO Dominic V. Marino, DO Jason M. Cochran, DO
author_sort	Brett G. Brazier, BA
title	Catastrophic failure of a dual mobility bearing in a revision total hip arthroplasty
title_short	Catastrophic failure of a dual mobility bearing in a revision total hip arthroplasty
title_full	Catastrophic failure of a dual mobility bearing in a revision total hip arthroplasty
title_fullStr	Catastrophic failure of a dual mobility bearing in a revision total hip arthroplasty
title_full_unstemmed	Catastrophic failure of a dual mobility bearing in a revision total hip arthroplasty
title_sort	catastrophic failure of a dual mobility bearing in a revision total hip arthroplasty
publisher	Elsevier
series	Arthroplasty Today
issn	2352-3441
publishDate	2018-09-01
description	The following case demonstrates an example of a catastrophic failure of a dual mobility (DM) bearing used in the setting of a revision total hip arthroplasty for an acetabular component with an excessive abduction angle. Currently, in the literature, it has been demonstrated that DM bearings have decreased polyethylene wear at abduction angles up to 65°; however, this has only been shown in in vitro studies. To our knowledge, there have been no reports of in vivo DM bearings that have demonstrated these same results. In this case, a DM bearing was used in a revision surgery with a retained acetabular component that had an abduction angle of approximately 70°-75° which ultimately led to catastrophic polyethylene failure. Keywords: Dual mobility bearing, Polyethylene wear, Revision total hip arthroplasty, Increased abduction angle
url	http://www.sciencedirect.com/science/article/pii/S2352344118300426
work_keys_str_mv	AT brettgbrazierba catastrophicfailureofadualmobilitybearinginarevisiontotalhiparthroplasty AT ethanrwrendo catastrophicfailureofadualmobilitybearinginarevisiontotalhiparthroplasty AT michaeljblackmerdo catastrophicfailureofadualmobilitybearinginarevisiontotalhiparthroplasty AT dominicvmarinodo catastrophicfailureofadualmobilitybearinginarevisiontotalhiparthroplasty AT jasonmcochrando catastrophicfailureofadualmobilitybearinginarevisiontotalhiparthroplasty
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Catastrophic failure of a dual mobility bearing in a revision total hip arthroplasty

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