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. 2020 May;99(18):e20087.
doi: 10.1097/MD.0000000000020087.

Cemented versus uncemented total knee arthroplasty in younger patients: A protocol of retrospective cohort trial

Yuning Guo  1 , Shufang Ma  2 , Junbo Wang  3 , Qin Zhang  1 , Shaowei Wang  4 , Zhipo Du  5
Affiliations

Cemented versus uncemented total knee arthroplasty in younger patients: A protocol of retrospective cohort trial

Yuning Guo et al. Medicine (Baltimore). 2020 May.

Expression of concern in

  • Expression of Concern: Study Protocols.
    [No authors listed] [No authors listed] Medicine (Baltimore). 2025 Nov 7;104(45):e46330. doi: 10.1097/MD.0000000000046330. Medicine (Baltimore). 2025. PMID: 41204616 Free PMC article. No abstract available.

Abstract

Background: Recently, controversy still exists regarding the clinical effects of cemented or cementless technique in young patients in total knee arthroplasty (TKA). In this context, the present study aimed to determine the functional outcomes and clinical reliability of cementless components versus those of conventional cemented components for young patients in primary TKA.

Methods: A retrospective review of primary TKAs performed with cementless or cemented fixation between May 2010 and February 2019 was conducted with Institutional Review Board approval. All cases were performed by a single surgeon. Institutional review board approval was obtained prior to conducting chart review and analysis. The primary outcome compared between the 2 fixation groups was the rate of postoperative complications and revision related to TKA, occurring at any point in follow-up. Secondary outcome measures included surgical time, Oxford Knee Score, range of motion, and radiographic outcomes such as progressive radiolucent lines, osteolysis, or component migration.

Results: We were able to directly compare the outcomes of cemented versus cementless techniques and might reveal a better technique in TKA.

Trial registration: This study protocol was registered in Research Registry (researchregistry5459).

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Conflict of interest statement

The authors have no conflicts of interest to disclose.

References

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