Patient reported function and quality of life following revi
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A Study was conducted to investigate the changes in patient-reported outcomes measures (PROMs) following revision total knee arthroplasty (rTKA).

10,727 patients undergoing elective rTKA were recruited from the UK NHS PROMs dataset. PROMs were collected at baseline and six months to assess joint function (Oxford Knee Score, OKS) and quality of life (EQ-5D). Associations to change in OKS (COKS) were investigated through multiple linear regression.

--The mean COKS was 12.4 points.

--6776/10329 patients demonstrated increase in OKS above the minimal important change (MIC) of 7.5 points. The median change in EQ-5D utility was 0.227.

--4917/9279 (53.0%) patients achieved a composite endpoint of improvement greater than MIC for joint function and ‘better’ QoL according to Paretian analysis.

--7477/10727 patients reported satisfaction with rTKA. 7947/10727 patients felt surgery was a success. 4888/10632 patients reported one or more adverse events.

--Higher pre-operative OKS was associated with lower COKS. Other factors associated with lower COKS were post-operative complication(s), age under 60 years, longer duration of knee problems, patients who identified as disabled, problems in anxiety/depression and self-care dimensions of EQ-5D, comorbid conditions (circulatory problems, diabetes and depression) and earlier year of procedure in dataset.

Finally, two-thirds of patients reported a significant change in joint function following rTKA. However, there was a high rate of complications identified by patients. These results may help researchers better understand the risks and benefits of discretionary rTKA.