A Short-Term Multicenter Analysis of Radiolucent Lines in a Single Uncemented Rotating Platform Implant for Total Knee Arthroplasty

Desmarais, Jason; Dalury, David F.; Bernasek, Thomas L.; Fisher, David A.; Nunley, Ryan M.; Fickenscher, Marie-Claire; Gorab, Robert S.

doi:10.1016/j.artd.2022.02.011

Cited by 4 publications

(3 citation statements)

References 21 publications

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“…It is also likely that the anterior portion of the tibial baseplate was not fully seated when initially implanted. The study by Desmerais and colleagues 32 noted that radiolucencies were more frequent at the tibial base plate in this exact design, without further commentary on possible explanations. More follow-up is required of this cohort to determine if bony ingrowth occurs in this zone.…”

Section: Discussionmentioning

confidence: 83%

“…These authors offered a similar conclusion — that many gaps resolve 1 year after implantation. A 2002 multicentre study by Desmerais and colleagues 32 looked at radiolucent zones in 277 patients who received the same implants as those in our study group 2 (Attune), over a 2-year period. This retrospective study showed that 25% of their cohort had radiolucent gaps.…”

Section: Discussionmentioning

confidence: 99%

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Gap patterns and radiographic follow-up of newer-generation cementless total knee arthroplasty designs

Frazer,

Lim,

Teeter

et al. 2024

cjs

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Background: Interest in cementless total knee arthroplasty (TKA) has increased with advancement of biomaterials and implant design and associated improved longevity. We sought to evaluate the gap patterns and radiolucent zones radiographically for 2 newer-generation cementless TKA designs. Methods: We retrospectively reviewed our single-institution database between January 2017 and December 2019. We identified patients with a porous keeled tibia base-plate with 4-bullet cruciform spikes and peri-apatite coated femoral component (study group 1) and patients who received a cementless porous coated femoral component and rotating platform tibia baseplate with 4 peripheral porous coated pegs around a central cone (study group 2). We identified gap patterns at 6 weeks and at 1 year or more postoperatively on radiographs, noting indications for reoperation. Results: We identified 228 patients in study group 1 and 41 patients in study group 2. At 1-year follow-up, we found evidence of resolved femoral gaps in 52 (72.2%) of 72 patients in study group 1 and 10 (58.8%) of 17 patients in study group 2 ( p = 0.124). We identified 27 (84.3%) of 32 patients in study group 1 and 7 (70.0%) of 10 patients in study group 2 with resolved tibia gaps ( p = 0.313). After 1 year, there were significantly more Zone 3a femoral zonal radiolucent gaps ( p = 0.001) and Zone 8 tibia zonal radiolucent gaps ( p = 0.002) in study group 2 than in study group 1. There were 4 reoperations for study group 1 and 0 reoperations for study group 2. Conclusion: The modern cementless TKA systems have varied gap patterns in postoperative radiographs, which may be attributed to the implant design. Most radiolucent gaps resolve radiographically on follow-up.

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Section: Discussionmentioning

confidence: 83%

Section: Discussionmentioning

confidence: 99%

Gap patterns and radiographic follow-up of newer-generation cementless total knee arthroplasty designs

Frazer,

Lim,

Teeter

et al. 2024

cjs

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“…The radiolucency that we observed on radiograms of a couple of patients, even though they have been asymptomatic, dictates more regular check-ups. Literature research revealed that some of the initial translucency may resolve in one year 22 or two years 23 . From our own experience, if translucency is not continuous at the bone-prosthesis interface, it is not significant and patients are asymptomatic.…”

Section: Discussionmentioning

confidence: 99%

A ten-year follow up after cementless total knee arthroplasty in County General Hospital

Vukasović Barišić

2023

ACC

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The aim of this long-term retrospective study was to evaluate the outcome of 109 cementless total knee arthroplasties performed in 101 patients at the General Hospital Bjelovar from January 2010 to October 2012. The survivorship of endoprosthesis and the clinical outcome were analyzed at the 10-year follow-up. The Oxford Knee Score was completed by 47% of patients with an average result of 31,2±9,4. There were two cases of aseptic loosening and one case of periprosthetic infection. Six patients suffered a periprosthetic fracture and were treated with osteosynthesis.

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Early Aseptic Tibial Loosening Is a Concern with a Modern Two-Peg Cementless Total Knee Arthroplasty Design

Gibian,

Zuke,

Hood

et al. 2024

The Journal of Arthroplasty

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A Short-Term Multicenter Analysis of Radiolucent Lines in a Single Uncemented Rotating Platform Implant for Total Knee Arthroplasty

Cited by 4 publications

References 21 publications

Gap patterns and radiographic follow-up of newer-generation cementless total knee arthroplasty designs

Gap patterns and radiographic follow-up of newer-generation cementless total knee arthroplasty designs

A ten-year follow up after cementless total knee arthroplasty in County General Hospital

Early Aseptic Tibial Loosening Is a Concern with a Modern Two-Peg Cementless Total Knee Arthroplasty Design

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