Outcomes of cementless fixation in medial unicompartmental knee arthroplasty: review of recent literature

Basso, Marco; Arnaldi, Enrico; Bruno, Andrea; Formica, Matteo

doi:10.1007/s12306-020-00672-w

Cited by 6 publications

(8 citation statements)

References 30 publications

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“…This should strengthen the generalizability of the study. Also, the demographic data correspond well to other publications summarized in a recent review [5]. Together with a follow-up rate well above 90%, the presented results should be very representative of this patient group and thus should be very useful to others.…”

Section: Discussionsupporting

confidence: 86%

“…For example, Mohammad et al [ 14 ] found lower long-term revision rates for cementless UKA compared with cemented UKA and positive results for cementless UKA for all age groups [ 15 ]. Basso and colleagues [ 5 ] reported that using a cementless fixation could possibly improve survival rate by reducing problems associated with the cement, such as inappropriate penetration and loose fragments. Other researchers have reported shorter surgery duration with cementless implants [ 2 , 5 , 18 ], and reduction of radiological radiolucent lines, possibly improving implant survival [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

“…Basso and colleagues [ 5 ] reported that using a cementless fixation could possibly improve survival rate by reducing problems associated with the cement, such as inappropriate penetration and loose fragments. Other researchers have reported shorter surgery duration with cementless implants [ 2 , 5 , 18 ], and reduction of radiological radiolucent lines, possibly improving implant survival [ 3 ]. Cementless fixation being seemingly a safe method with acceptable results regarding implant survival and knee function, was introduced at the present hospital in 2017.…”

Section: Introductionmentioning

confidence: 99%

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Cementless unicompartmental knee arthroplasty results in higher pain levels compared to the cemented technique: a prospective register study

Gifstad¹,

Nordskar²,

Egeberg³

et al. 2021

Knee Surg Sports Traumatol Arthrosc

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Purpose In recent years, the preferred fixation method for unicompartmental knee arthroplasty (UKA) has changed from cemented to cementless. The aim of this study was to compare patient-reported outcome measures (PROMs) from the cemented versus cementless techniques two- and twelve-months post-operation. Methods From 2015 to 2019, 187 cemented and 261 cementless UKAs were included based on an institutional registry. The Oxford Unicompartmental Knee System™ (Zimmer Biomet, Bridgend, United Kingdom) was used for all patients. Three experienced surgeons performed all procedures. Data were collected pre- and peroperatively, and at two- and twelve-months postoperatively. PROMs included pain (evaluated on a numeric rating scale [NRS] during activity and at rest), and knee function (evaluated with the disease-specific short form of the Knee injury and Osteoarthritis Outcome Score [KOOS-PS]). Patients also rated postoperative joint function (better, unchanged, uncertain or worse) and were asked, “based on your experience to date, would you go through the surgery again?”. Duration of surgery was noted and revisions during the first post-operative year were evaluated. Results The cemented group reported significantly lower activity-related pain at both two- and twelve-month follow-up. This was also the case for pain at rest at twelve-month follow-up, and KOOS-PS at two-month follow-up. Duration of surgery (adjusted for surgeon differences) was eight minutes less on average with the cementless technique. Eleven prosthetic joint infections (PJIs) were found following the cementless fixation technique compared to three using the cemented implant. Conclusion UKA cases with cemented implants had lower pain scores during activity two and twelve months after surgery compared with those who had cementless implants. Differences in favor of the cemented group were also found for pain at rest one year after surgery and for KOOS-PS two months after. Surgery was significantly shorter in duration in the cementless group, but a relatively high number of PJIs were found in that same group. Level of evidence Level II.

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Section: Discussionsupporting

confidence: 86%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Cementless unicompartmental knee arthroplasty results in higher pain levels compared to the cemented technique: a prospective register study

Gifstad¹,

Nordskar²,

Egeberg³

et al. 2021

Knee Surg Sports Traumatol Arthrosc

View full text Add to dashboard Cite

show abstract

“…periprosthetic fractures and loosening of tibial component) [21,22]. The number of failed cementless UKAs using conventional instrumentation was deemed insufficient for analysis (n=36).…”

Section: Accepted Manuscriptmentioning

confidence: 99%

“…Furthermore, stratifying for cemented fixation was performed, since type of fixation was associated with differences in reasons for revision (e.g., periprosthetic fractures and loosening of tibial component). 21,22 The number of failed cementless UKAs using conventional instrumentation was deemed insufficient for analysis (n ¼ 36).…”

Section: Statisticsmentioning

confidence: 99%

Reduced 5-Year Risk for Revision of the Oxford UKA Using New Instrumentation versus Conventional Instrumentation: A Registry Study of 12,867 UKAs

et al. 2022

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Background and purpose: Microplasty instrumentation was introduced for a more consistent surgical implantation technique, especially component alignment and tibial resection level, of the Oxford medial unicompartmental knee replacement (UKA) and thereby aims to improve UKA survival. This study aimed to assess the 5-year risk for revision and reasons for revision of the Oxford medial UKA using the new instrumentation (Microplasty) with its predecessor, i.e., conventional instrumentation (Phase 3). Patients and Methods: Data of all medial UKAs from the Dutch Arthroplasty Register (LROI) between 2007-2019 were collected. Type of instrumentation was divided into new (Microplasty) and conventional instrumentation. Kaplan-Meier analysis was performed to calculate 5-year cumulative revision percentage with any reason for revision as endpoint. A multivariable Cox regression with outcome revision of UKA adjusted for age, gender, American Society of Anesthesiologists-score, surgical history, and type of fixation was performed. Additionally, reasons for revision at 3-year were assessed and tested through Fisher’s exact tests. Results: 12,867 Oxford medial UKAs, 8,170 using new and 4,697 using conventional instrumentation, were included. The 5-year revision percentage was 9.2% (CI 8.4-10.1%) for UKAs using the conventional and 6.1% (CI 5.4-6.7%) for new instrumentation. The adjusted hazard ratio for revision at 5-year follow-up was 0.68 (CI 0.59-0.79) in favor of UKAs using the new instrumentation. Malalignment was less frequently registered as reason for revision in UKAs using the conventional compared to the new instrumentation (16.2% versus 7%; p=0.001). Interpretation: Our results show a reduced 5-year risk for revision of the medial Oxford UKAs using the new compared to the conventional instrumentation. This might be the result of a lower revision rate for malalignment in UKAs using the new instrumentation.

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Lubricating MXenzyme-based hybrid hydrogel reverses oxidative damage to alleviate osteoarthritis

Zhang,

Cheng,

Pan

et al. 2024

Chemical Engineering Journal

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Outcomes of cementless fixation in medial unicompartmental knee arthroplasty: review of recent literature

Cited by 6 publications

References 30 publications

Cementless unicompartmental knee arthroplasty results in higher pain levels compared to the cemented technique: a prospective register study

Cementless unicompartmental knee arthroplasty results in higher pain levels compared to the cemented technique: a prospective register study

Reduced 5-Year Risk for Revision of the Oxford UKA Using New Instrumentation versus Conventional Instrumentation: A Registry Study of 12,867 UKAs

Lubricating MXenzyme-based hybrid hydrogel reverses oxidative damage to alleviate osteoarthritis

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