Metasul metal-on-metal THRs have high rate of revision and incidences of radiolucent lines .
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High rate of revision and a high incidence of radiolucent lines around Metasul metal-on-metal total hip replacements: Results from a randomised controlled trial of three bearings after seven years
Bone Joint J. 2013 Jul;95-B(7):881-6. doi: 10.1302/0301-620X.95B7.31067399 hips undergoing total hip replacement were randomized to receive either Metasul metal-on-metal (MoM), metal-on-conventional polyethylene (MoP), or ceramic-on-polyethylene (CoP) bearings using a cemented triple-tapered polished femoral component (MS-30). The study aimed to compare the three types of bearings in clinical and radiological outcomes. The results taken at 2,5,and 7 years revealed that MoM group had the lowest Harris Hips scores, higher rates of revision, and higher incidence of radiolucent lines in unrevised hips.
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