TEMPORARY REMOVAL: Maximizing the reliability of ceramic Implants in THR

Kiefer, H.; Heros, Ricardo; Usbeck, Sylvia; Scheuber, L.; Atzrodt, V.

doi:10.1053/j.sart.2015.04.008

Cited by 1 publication

(1 citation statement)

References 23 publications

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“…Contaminated trunnions decrease the torsional resistance and increase fretting [ 15 ]. Ceramtec (CeramTec, AG, Plochingen, Germany) advises use of a single moderate hammer blow, which was in contrast to recent studies advising use of higher assembly forces to decrease wear [ 13 , 16 ]. Higher assembly forces could increase the stability of the head-neck junction, but might damage the ceramic head.…”

Section: Discussionmentioning

confidence: 99%

Femoral prosthesis neck fracture following total hip arthroplasty — a systematic review

et al. 2020

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Purpose Head-neck modularity was introduced into total hip arthroplasty to provide more intraoperative surgical options. However, modularity led to new problems, such as trunnionosis and fractures of the femoral prosthesis neck. The purpose of this study was to identify risk factors for hip neck fractures and to provide recommendations to prevent damage and fractures of the neck. Methods A systematic review of the literature was performed according to the PRISMA guidelines. Results Thirty-three case studies were included. Methodologically, most included studies were of moderate or good quality. The 80 neck fractures included in the review took place, on average, 7 years after stem placement. Male gender, high body weight, obesity, previous revision surgery, mixing components from different manufacturers, use of long skirted heads, cobalt-chromium (large size) heads were identified as potential risk factors. Conclusion Hip neck fractures occur on average 7 years after stem placement. The etiology of hip neck fractures is multifactorial. This review revealed several preventable implant- and surgeon-related risk factors.

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Section: Discussionmentioning

confidence: 99%