The Natural History of Radiolucencies Following Uncemented Total Knee Arthroplasty at 9 Years

Costales, Timothy; Chapman, Danielle; Dalury, David F.

doi:10.1016/j.arth.2019.08.032

Cited by 20 publications

(14 citation statements)

References 20 publications

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“…Costales et al. [ 8 ] identified a relatively high early incidence of RLLs in a group of 21 patients, but with significant resolution over time and acceptable clinical outcomes at an average of 9 years in the follow-up. Other studies have compared aseptic loosening in cemented vs cementless fixation.…”

Section: Discussionmentioning

confidence: 99%

“…While progressive TKA implant migration indicates loss of osteointegration and aseptic failure, the significance of RLLs in cementless implants and their natural history is unclear. There are few reports on the impact of RLLs on patient outcome [ 8 ]. The purpose of this manuscript is to identify the incidence and progression of RLLs in a multicenter study group and to determine their effect on knee functional outcome scores and survivorship at 2 years in patients treated with a single cruciate-retaining (CR), uncemented, TKA design.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2022

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

et al. 2022

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“…Due to the biological activity or porous structure of the prosthesis, the biological fixation theoretically provides the possibility to form a safe and reliable long-term fixation, i.e. the host bone grows into the surface or inside of the prosthesis [29]. Because of the better press-fit conditions, biological fixation has been widely used in hip replacements.…”

Section: Fixation Interfacementioning

confidence: 99%

A review of the bio-tribology of medical devices

Zhang

2021

Friction

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Numerous medical devices have been applied for the treatment or alleviation of various diseases. Tribological issues widely exist in those medical devices and play vital roles in determining their performance and service life. In this review, the bio-tribological issues involved in commonly used medical devices are identified, including artificial joints, fracture fixation devices, skin-related devices, dental restoration devices, cardiovascular devices, and surgical instruments. The current understanding of the bio-tribological behavior and mechanism involved in those devices is summarized. Recent advances in the improvement of tribological properties are examined. Challenges and future developments for the prospective of bio-tribological performance are highlighted.

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“…Although there have been some reports on the long term follow-up investigation of uncemented cruciate-retaining (CR) TKA, 7 there exist no studies of mid- to long-term results regarding the PS-type cementless TKA. Thus, we are now following the clinical outcomes of PS TM cementless TKA procedure.…”

Section: Introductionmentioning

confidence: 99%

“…6 Moreover, there was a report that the implants promoted rapid osteogenesis and bone growth from internally connected pores, and were expected to achieve stable, long-term fixation. 5 Although there have been some reports on the long term follow-up investigation of uncemented cruciateretaining (CR) TKA, 7 there exist no studies of mid-to long-term results regarding the PS-type cementless TKA. Thus, we are now following the clinical outcomes of PS TM cementless TKA procedure.…”

Section: Introductionmentioning

confidence: 99%

Short- to Mid-Term Clinical Outcomes of Posterior-Stabilized Cementless Total Knee Arthroplasty with Trabecular Metal Components

Momose¹,

Nakamura²,

Nakano³

et al. 2021

TCRM

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Objective This study aimed to evaluate the short- to mid-term clinical results of posterior-stabilized trabecular metal total knee arthroplasty (TKA) with cementless fixation of all components and investigate the radiographic changes of tibial and patellar components and cut bone surfaces over time. Methods We retrospectively collected the data of 128 knees from 88 consecutive patients who had undergone initial TKA with NexGen LPS-Flex TM implants. A total of 66 knees from 45 patients (mean ± standard deviation age: 70.3 ± 7.5 years) met the selection criteria, which had been employed cementless fixation of all parts and at least 3 years of postoperative follow-up duration. Clinical evaluations included range of motion, conventional knee score, function score, postoperative complications, and revision. For radiological evaluations, the bone contact surface of each implant was divided into 7 zones for tibial component and 2 zones for patellar component. Each region was examined immediately after surgery, at 6 and 12 months, and then every year afterwards. Results The mean observation period of 45 subjects was 4.2 years. Adequate fixation of tibial components was maintained during follow-up, although the patellar components of 2 knees required revision after repeated falls. No loosening was observed in any implants. The initial gap in tibial components disappeared in all knees, and a reactive line remained in 4 knees. There were no revisions, except for 2 cases, which were ascribed to patellar component fracture caused by repeated falls. Conclusion Cementless posterior-stabilized trabecular metal TKA appears to be a good surgical option. Longer-term examination for revision cases is required to validate our results.

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The Natural History of Radiolucencies Following Uncemented Total Knee Arthroplasty at 9 Years

Cited by 20 publications

References 20 publications

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

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

A review of the bio-tribology of medical devices

Short- to Mid-Term Clinical Outcomes of Posterior-Stabilized Cementless Total Knee Arthroplasty with Trabecular Metal Components

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