Patella resurfacing during total knee arthroplasty has lower
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The decision to resurface the patella as part of total knee arthroplasty may be influenced by the surgeon’s preference, education, training, tradition and geographic location. A Study was conducted to critically examine the factors that should be considered in addition to patient reported outcomes in the decision process of resurfacing or non-resurfacing of the patella in total knee arthroplasty.

A comprehensive literature search was conducted to identify factors that may influence decision making in addition to knee specific patient reported outcome measures such as surgical risks, patient quality of life, procedure cost, re-operation rate, implant design, surgeons learning curve and the fate of remaining cartilage in native patellae.

Results:
--Patient-reported outcomes are equivocal for resurfacing and non-resurfacing.
--Critical analysis of the available literature suggests that the complications of resurfacing the patella are historic, which is now lower with improved implant design and surgical technique.
--Routine resurfacing was cost-effective in the long term and has lower rates of revision (absolute risk reduction 4%).
--Finally, surgical judgment in selective resurfacing was prone to errors.

Patient-reported results for patella resurfacing and non-resurfacing were comparable. However, relative to non-resurfacing, patella resurfacing was more cost-effective and was correlated with a lower rate of re-operation.

Source: https://josr-online.biomedcentral.com/articles/10.1186/s13018-021-02295-8
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