Study finds efficacy between cementless and cemented fixatio
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Whether the cement should be used in the total knee arthroplasty (TKA) was still in controversy. This meta-analysis was performed to compare the efficacy of two kinds of fixation.

Randomized controlled trials (RCTs), prospective/retrospective observational studies were searched. Only studies followed more than 2 years was included for the review. The PRISMA guidelines and Cochrane Handbook were adopted to assess the quality of the results reported in included studies to ensure that the results of the meta-analysis were reliable and veritable. The continuous and dichotomous outcomes were collected in a standard form, and the data were analyzed by Review Manager 5.3 software.

Results:
--26 studies involving 2369 patients in cementless TKA and 2654 patients in cemented TKA were included.

--The rate of revision was not significantly different in two groups.

--More than 8 reasons caused revision were found in this study, the aseptic loosing was the most common, followed by the periprosthetic joint infection (PJI), neither was significantly different (p = 0.88 and 0.45, respectively).

--While significantly better long-term functional recovery was found in cementless TKA in terms of Knee Society Function Score and manipulation under anesthesia.

In conclusion, cementless fixation did not reduce the rate of revision after complete knee arthroplasty as compared to cemented fixation, but the cementless group had substantially improved long-term functional recovery.

Source: https://josr-online.biomedcentral.com/articles/10.1186/s13018-021-02299-4
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