Incidence of Radiolucent Lines after Cemented Total Knee Arthroplasty

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Hui Ng Hannah Jia; Yang Tan Gabriel Kai; Tan Ryan Gabriel; Kau Chung Yuan

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Journal Paper

Paper Information

Journal: Archives of Bone and Joint Surgery Year:2022 | Volume:10 | Issue:1 Page(s): 85-91

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Title

Incidence of Radiolucent Lines after Cemented Total Knee Arthroplasty

Author(s)

Hui Ng Hannah Jia | Yang Tan Gabriel Kai | Tan Ryan Gabriel | Kau Chung Yuan | Issue Writer Certificate

Keywords

Radiolucency

Total Knee Arthroplasty

Total Knee Replacement

Cemented

Abstract

Background: Cemented Total Knee Arthroplasty (TKA) provides excellent long-term survival rates and functional results, however, radiolucent lines (RLLs) often appear during early post-operative follow-up and their incidence and clinical significance are unknown. The p rimary aim was to establish the incidence, location, frequency, and time taken for RLLs to appear within the first year after a primary Cemented TKA with an anatomic tibial baseplate (Smith and Nephew, LEGION Total Knee System). Methods: This was a retrospective analysis of 135 primary Cemented TKA in 131 patients over three years. We compared demographics, serial radiographs, and early clinical and functional outcomes. Results: There were 65 TKAs (48%) in 62 patients who had RLLs within the first year post-operatively. Most were females (58. 8%). Mean age was 68. 3 ± 7. 9 years. There were 88 RLLs, with the most and second commonest location at the medial tibial baseplate (38%) and anterior femoral flange (23%). 89% were in the bone-cement interface. The largest average length of RLLs were at the anterior flange of the femoral component (1. 98 ± 1. 33 mm). The average time to development was 6. 5 ± 4. 1 months. None of these patients had infections nor required revision. Patients with RLLs did not do worse in functional and clinical scoring at 1-year. Conclusion: There was a 48% incidence of physiological RLLs after Cemented TKA, with the highest occurrence at the medial tibial baseplate at 38%. These radiolucent lines did not affect early post-operative clinical and functional outcomes of patients.

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APA: Copy

Hui Ng, Hannah Jia, Yang Tan, Gabriel Kai, Tan, Ryan Gabriel, & Kau, Chung Yuan. (2022). Incidence of Radiolucent Lines after Cemented Total Knee Arthroplasty. THE ARCHIVES OF BONE AND JOINT SURGERY, 10(1), 85-91. SID. https://sid.ir/paper/976736/en

Vancouver: Copy

Hui Ng Hannah Jia, Yang Tan Gabriel Kai, Tan Ryan Gabriel, Kau Chung Yuan. Incidence of Radiolucent Lines after Cemented Total Knee Arthroplasty. THE ARCHIVES OF BONE AND JOINT SURGERY[Internet]. 2022;10(1):85-91. Available from: https://sid.ir/paper/976736/en

IEEE: Copy

Hannah Jia Hui Ng, Gabriel Kai Yang Tan, Ryan Gabriel Tan, and Chung Yuan Kau, “Incidence of Radiolucent Lines after Cemented Total Knee Arthroplasty,” THE ARCHIVES OF BONE AND JOINT SURGERY, vol. 10, no. 1, pp. 85–91, 2022, [Online]. Available: https://sid.ir/paper/976736/en

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