Study finds, Physical capability after total joint arthropla
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Researchers investigated patient self-reported physical capabilities (PC) and subjective well-being (SW) for up to 20 years after total hip (THA) or knee (TKA) arthroplasty.

The study included only women aged 52–62 years (n = 6,462). The Finnish Arthroplasty Register and Care Register for Health Care provided data on arthroplasties in the OSTPRE population. The results of women with THA/TKA were compared with women without arthroplasty (control group).

Results:
--In subjects with THA performed before the 10-year follow-up, the proportion of good PC was initially decreased by 0.6 percentage points (pp) at the 10-year follow-up and later by 19 pp at the 20-year follow-up.

--After TKA, the proportion of subjects with good PC decreased by 4.1 pp (10–year follow-up) and 27 pp (20-year follow-up), respectively.

--The proportion of controls reporting good PC decreased by 1.4 pp at the 10-year follow-up and 14 pp at the 20-year follow-up compared with the baseline.

--After THA, the proportion of subjects with good SW stayed on the same level at 10-year follow-up and decreased by 2.3 pp at 20-year follow-up.

--After TKA, the proportion of good SW increased by 9.0 pp (10-year follow-up) and decreased by 14 pp (20-year follow-up).

--The proportion of controls reporting good SW increased by 4.0 pp (10-year follow-up) and decreased by 8.8 pp (20-year follow-up).

THA and TKA, in particular, maintain PC and SW. Women who have had arthroplasty have lower average PC and SW than women who have not had arthroplasty. In terms of PC maintenance, THA appears to outperform TKA.

Source: https://www.tandfonline.com/doi/full/10.1080/17453674.2021.1922039?af=R
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