Appearance and evolution of radiolucent lines below the tibial implant in primary total knee arthroplasty

Wautier, D.; Thienpont, E.

doi:10.1007/s00402-023-05100-9

Cited by 3 publications

(4 citation statements)

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“…Only in one case, RLL persisted throughout the study period, but without any clinical signs of component loosening. This phenomenon has been previously described by other authors and is possibly caused by imprecise bone cuts or component positioning [36]. Regarding the difference between the occurrences of RLL in cementless vs. cemented TKA, there are various reports with different outcomes.…”

Section: Discussionmentioning

confidence: 66%

“…However, the reasons for and factors leading to RLL in TKA are still subject of discussion in recent literature as they seem to be less dependent on implant design and might be triggered by implant positioning or surgical technique [4, 29]. Another reason for early RLL is bone remodeling during the ingrowth phase, during which stress shielding might occur [36].…”

Section: Discussionmentioning

confidence: 99%

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No component loosening of a cementless deep dish rotating platform knee at a 5-year follow-up

Stadler

Hofstätter

Luger

et al. 2022

Knee Surg Sports Traumatol Arthrosc

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Purpose Cemented fixation remains the gold standard in total knee arthroplasty. With an increasing number of younger patients undergoing total knee arthroplasty and a growing patient population demanding higher physical activity, a rising interest in discussion of cementless fixation is notable. The current scientific literature does not give a clear recommendation for or against uncemented total knee arthroplasty. The purpose of this study was the investigation of the 5-year clinical and radiographic outcomes of a cementless deep-dish rotating platform implant. Methods A total of 91 primary cementless total knee arthroplasties were included in this single-centre prospective observational study. The primary outcome was revision rate due to aseptic component loosening. Further outcome measures were assessment of the of the radiographic outcome as well as the clinical outcome based on Range of Motion and scores such as American Knee Society Score, Oxford Knee Score, Knee Injury and Osteoarthritis Outcome Score and European Quality of Life 5 Dimension 3 Level at a follow-up of 5 years. Results Mean age of the study population was 67.3 ± 6.6 years with 49.5% of the participants being female. Aseptic component loosening occurred in none of the patients. Implant survival with revision for any reason as endpoint was 97.8% (95% CI 100–96%) and 95.6% (95% CI 100–94%) with reoperation of any cause as endpoint. Radiolucent lines were detected in a total of eight cases (8.8%) and disappeared within the first year after surgery in five cases. Total Range of Motion improved significantly from 106° ± 15° preoperatively to 118° ± 10° at final FU (p < 0.001). All investigated scores improved significantly after total knee arthroplasty. Conclusion The results of this study reveal excellent mid-term performance of a cementless deep dish rotating platform total knee implant, with no component loosening, very low overall revision rate, only temporarily present radiolucent lines in a minority of patients and excellent clinical results. Therefore, cementless total knee arthroplasty is an appropriate treatment option for patients with severe osteoarthritis of the knee. Level of evidence Level II (prospective cohort study).

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Section: Discussionmentioning

confidence: 66%

Section: Discussionmentioning

confidence: 99%

No component loosening of a cementless deep dish rotating platform knee at a 5-year follow-up

Stadler

Hofstätter

Luger

et al. 2022

Knee Surg Sports Traumatol Arthrosc

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show abstract

“…RLLs are conventionally considered as results of osteolysis due to polyethylene or aseptic loosening. But RLLs can also be observed early after TKA secondary to the surgical technique with insufficient bone preparation, mispositioning of components, or inadequate cement penetration into sclerotic bone [ 54 ]. When asymptomatic, RLLs can be followed up closely with radiographs.…”

Section: Discussionmentioning

confidence: 99%

Cementless Compared to Cemented Total Knee Arthroplasty is Associated With More Revisions Within 1 Year of Index Surgery

Chiou

Upfill‐Brown

et al. 2023

Arthroplasty Today

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“…Radiographs also assist in ruling out other pathologies including implant loosening. 19 , 20 Magnetic resonance imaging (MRI) is the best method to evaluate for attenuation or tearing of the prior MPFL graft. Given the patient’s history of arthroplasty, a knee MRI study without contrast should be performed using the metal artifact reducing sequence (MARS) protocol.…”

Section: Patient Evaluation Imaging and Indicationsmentioning

confidence: 99%

Revision Medial Patellofemoral Ligament Reconstruction for Recurrent Instability After Patellofemoral Arthroplasty

Iddir,

Phelan,

Lee

2023

Arthroscopy Techniques

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Appearance and evolution of radiolucent lines below the tibial implant in primary total knee arthroplasty

Cited by 3 publications

References 50 publications

No component loosening of a cementless deep dish rotating platform knee at a 5-year follow-up

No component loosening of a cementless deep dish rotating platform knee at a 5-year follow-up

Cementless Compared to Cemented Total Knee Arthroplasty is Associated With More Revisions Within 1 Year of Index Surgery

Revision Medial Patellofemoral Ligament Reconstruction for Recurrent Instability After Patellofemoral Arthroplasty

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