Patellar resurfacing in knee replacement surgery: A prospective cohort study
DOI:
https://doi.org/10.1016/j.rccot.2019.02.002Keywords:
knee arthroplasty, patella, health-related, quality of life, complicationsAbstract
Background: There has been controversy around patellar resurfacing in knee arthroplasty in the past years.The aim of this study is to compare the functional results and complications of patients with and with out patellar resurfacing in Colombia.
Methods: Prospective cohort study that included patients with a primary knee arthroplasty surgery between August 2013 and January 2017. Resurfaced patients are compared with non resurfaced. The outcomes measured are complications and knee function with the Oxford knee score. Follow-up visits were programmed 3 months and 12 months after surgery.
Results: Follow-up were: 82.4% at 3 months and 76.9% at 12 months. From a total of 349 knee arthroplasties, 237 had patellar resurfacing (68%). Median age was 71 years old. Median Oxford before surgery were: 14.5 (10-17) and 14 (10-19) points for patients with and without resurfacing. Median Oxford at 3 and 12 months in the resurfaced group were 34 (28-41) and 38 (34-43) points respectively. For the other group the median Oxford at 3 and 12 months were 36 (32-40) and 39 (34-41) points. There were no differences between groups at 3 or 12months (p=0.27 and p=0.79). There was a low rate of complications, with no diferences between resurfacing or not the patella, 3.4% vs 3.6%(p=0.57).
Discussion: Both resurfacing or not the patella show similar and good results in impovement of quality of life and low rate of complications. Either type of treatment remains as a valid alternative nowadays.
Evidence Level: II
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References
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