Failure of Constrained Total Hip Arthroplasty with Intact Reinforcement Ring

One of the most common complications after total hip arthroplasty (THA) is dislocation. To avoid this unpleasant complication, we use constrained systems especially in patients at high risk of dislocation. We report two cases of failure of constrained hip system with intact reinforcement ring. We us...

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Main Authors: Doğan Atlıhan, Fatih Günaydın
Format: Article
Language:English
Published: Galenos Yayinevi 2019-12-01
Series:Haseki Tıp Bülteni
Subjects:
Online Access: http://www.hasekidergisi.com/archives/archive-detail/article-preview/failure-of-constrained-total-hip-arthroplasty-with/31977
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author Doğan Atlıhan
Fatih Günaydın
author_facet Doğan Atlıhan
Fatih Günaydın
author_sort Doğan Atlıhan
collection DOAJ
description One of the most common complications after total hip arthroplasty (THA) is dislocation. To avoid this unpleasant complication, we use constrained systems especially in patients at high risk of dislocation. We report two cases of failure of constrained hip system with intact reinforcement ring. We used Trilogy® revision cup in both patients. One of the patients refused surgery. Other patient underwent surgery and we observed abrasion of constrained liner because of impingement. Malrotation of the constrained liner appears to cause impingement. When using constrained liners, caution should be exercised against the risk of impingement. Proper assessment of the constrained liner is mandatory. Otherwise, abrasion of the liner is not a surprise. Instructions of the manufacturer should be followed. The fact that such a small misplacement has such great consequences can also be accepted as a disadvantage of the product. It may be difficult to determine the proper rotation of the polyethylene liner during surgery. Therefore, it would be appropriate to have a wider range of correct polyethylene placement angles.
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spelling doaj.art-ca9eab9ce48f42cbad7f1c2f56d049272023-02-15T16:11:32ZengGalenos YayineviHaseki Tıp Bülteni1302-00722147-26882019-12-0157444544710.4274/haseki.galenos.2019.500013049054Failure of Constrained Total Hip Arthroplasty with Intact Reinforcement RingDoğan Atlıhan0Fatih Günaydın1 University of Health Sciences, Haseki Training and Research Hospital, Clinic of Orthopedics and Traumatology, İstanbul, Turkey Beytepe Murat Erdi Eker State Hospital, Clinic of Orthopedics and Traumatology, Ankara, Turkey One of the most common complications after total hip arthroplasty (THA) is dislocation. To avoid this unpleasant complication, we use constrained systems especially in patients at high risk of dislocation. We report two cases of failure of constrained hip system with intact reinforcement ring. We used Trilogy® revision cup in both patients. One of the patients refused surgery. Other patient underwent surgery and we observed abrasion of constrained liner because of impingement. Malrotation of the constrained liner appears to cause impingement. When using constrained liners, caution should be exercised against the risk of impingement. Proper assessment of the constrained liner is mandatory. Otherwise, abrasion of the liner is not a surprise. Instructions of the manufacturer should be followed. The fact that such a small misplacement has such great consequences can also be accepted as a disadvantage of the product. It may be difficult to determine the proper rotation of the polyethylene liner during surgery. Therefore, it would be appropriate to have a wider range of correct polyethylene placement angles. http://www.hasekidergisi.com/archives/archive-detail/article-preview/failure-of-constrained-total-hip-arthroplasty-with/31977 hipprothesisdislocationconstrained
spellingShingle Doğan Atlıhan
Fatih Günaydın
Failure of Constrained Total Hip Arthroplasty with Intact Reinforcement Ring
Haseki Tıp Bülteni
hip
prothesis
dislocation
constrained
title Failure of Constrained Total Hip Arthroplasty with Intact Reinforcement Ring
title_full Failure of Constrained Total Hip Arthroplasty with Intact Reinforcement Ring
title_fullStr Failure of Constrained Total Hip Arthroplasty with Intact Reinforcement Ring
title_full_unstemmed Failure of Constrained Total Hip Arthroplasty with Intact Reinforcement Ring
title_short Failure of Constrained Total Hip Arthroplasty with Intact Reinforcement Ring
title_sort failure of constrained total hip arthroplasty with intact reinforcement ring
topic hip
prothesis
dislocation
constrained
url http://www.hasekidergisi.com/archives/archive-detail/article-preview/failure-of-constrained-total-hip-arthroplasty-with/31977
work_keys_str_mv AT doganatlıhan failureofconstrainedtotalhiparthroplastywithintactreinforcementring
AT fatihgunaydın failureofconstrainedtotalhiparthroplastywithintactreinforcementring