. Tsikandylakis G Overgaard S Zagra L Kärrholm J . Global diversity in bearings in primary THA . EFORT Open Rev 2020 ; 5 : 763 – 775 .
Keijo T. Mäkelä, Ove Furnes, Geir Hallan, Anne Marie Fenstad, Ola Rolfson, Johan Kärrholm, Cecilia Rogmark, Alma Becic Pedersen, Otto Robertsson, Annette W-Dahl, Antti Eskelinen, Henrik M. Schrøder, Ville Äärimaa, Jeppe V. Rasmussen, Björn Salomonsson, Randi Hole, and Søren Overgaard
who were operated from 2002 through 2010 with cementless stemmed THA with either metal-on-metal bearings (11 567 patients, 35%) or metal-on-polyethylene bearings (21 111 patients, 65%). The cumulative incidence of revision at eight years of follow
Rory Cuthbert, James Wong, Philip Mitchell, and Parag Kumar Jaiswal
shell was an hydroxyapatite (HA)-coated press-fit cup coupled with a 28 mm head. There were no cases of mechanical cup loosening in either cohort. 20 Similarly, in a case control study comparing 105 DM and 215 standard bearings with a 22 mm head in
Richard N. de Steiger and Stephen E. Graves
-on-metal bearings had reportedly low-wear characteristics, and to use large-diameter femoral heads to reduce the risk of hip dislocation. The AOANJRR first raised concerns about all large-head metal-on-metal bearings for THR in the 2009 Annual Report 15 and a
Philip F. Dobson and Michael R. Reed
importance in terms of subsequent risk of PJI. Ceramic bearings have been shown to have lower wear rates in comparison to cobalt-chrome and polyethylene 100 – 103 associated with lower levels of osteolysis. 100 – 107 Evidence from joint registries
M M Morlock, E Gomez-Barrena, D C Wirtz, A Hart, and J P Kretzer
( 5 ), wear problems with highly crystalline phase-modified polyethylene ( 6 ) and toxicological surface contamination on porous-coated sockets ( 7 ). Innovative procedures such as hip resurfacing and large metal-on-metal hip joint bearings ( 8 ) ( Fig
Michele Vasso, Alexander Antoniadis, and Naeder Helmy
bearings, it has been theorized that a surgeon may tend to choose a tight knee and risk slight valgus overcorrection to avoid bearing dislocation in mobile UKA. This results in greater contact stresses and over-loading of the lateral compartment
Philippe Hernigou, Victor Housset, Jacques Pariat, Arnaud Dubory, and Charles Henri Flouzat Lachaniette
be an important factor in SCD. More specifically, some published studies 48 have found a higher risk of infection with metal-on-polyethylene (MoP) THA than ceramic-on-ceramic (CoC) bearings. We checked which bearing surfaces, and infection rate in
Bülent Atilla
soft tissue reactions and hypersensitivity to metal-on-metal bearings, such bearings are best avoided. 4 Possibly related to their favourable wear properties, ceramic bearings present an excellent choice for selected patients in future. However
Stein J. Janssen, Iris van Oost, Stefan J.M. Breugem, and Rutger C.I. van Geenen
normally functioning Oxford UKA (Phase-1 and 2) bearings demonstrated a mean wear of 0.01 mm/year. 85 , 86 Such a low rate will not cause in vivo penetration or alter alignment (±1° degree varus per 1 mm wear). 85 However, several factors can accelerate
