Information for Medical Professionals

Modular posterior stabilised prostheses 'has 90.6% survival rate'

The use of modular posterior stabilised prostheses in total knee replacements results in fewer cases of osteolysis in older patients compared to younger subjects, a new study shows.

Research published in the Journal of Bone and Joint Surgery reveals that this approach results in a 15-year survival rate of 90.6 per cent.

While the authors acknowledge the restrictions that a small sample has on their results' wider relevance, they say there was no significant association between polyethylene thickness and sterilisation methods or osteolysis.

Despite this, an association was identified between the age of patients and their risks of developing osteolysis, with youth connected to the condition.

Follow-up occurred at an average of 12 years, with a range of between 10 and 18 years, and when mechanical failure was considered the end point survivability was at 96.8 per cent.

In other research published in the journal, no difference was found between patients treated with patellar eversion and anterior tibial translation when it came to recovery time following the procedure.

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