Fixed bearing lateral unicompartmental knee arthroplasty—Short to midterm survivorship and knee scores for 101 prostheses

Smith, James; Robinson, James R.; Porteous, A; Murray, James R. D.; Hassaballa, M; Artz, Neil; Newman, John H.

doi:10.1016/j.knee.2014.04.003

Cited by 67 publications

(48 citation statements)

References 39 publications

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“…Our follow up rate of 97.1% is similar to other studies of this nature [25,26]. Recent studies with all-polyethylene tibial components showed worse or similar survival rates to ours [27,28].…”

Section: Discussionsupporting

confidence: 89%

“…10-year cumulative revision rates of approximately 12-13.5 % and 11.78 % (CI 95% 11.80-13.34) were reported for fixed bearing UKR in the 2014 Swedish Knee Arthroplasty Register (SKAR) and the 11 th annual report of the National Joint Registry England and Wales (NJR) respectively. Medial and lateral UKAs show similar survival rates based on recent studies [26,33,34].…”

Section: Discussionsupporting

confidence: 57%

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Survivorship and clinical outcome of the minimally invasive Uniglide medial fixed bearing, all-polyethylene tibia, unicompartmental knee arthroplasty at a mean follow-up of 7.3years

Forster-Horváth

Artz²,

Hassaballa

et al. 2016

The Knee

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Section: Discussionsupporting

confidence: 89%

Section: Discussionsupporting

confidence: 57%

Survivorship and clinical outcome of the minimally invasive Uniglide medial fixed bearing, all-polyethylene tibia, unicompartmental knee arthroplasty at a mean follow-up of 7.3years

Forster-Horváth

Artz²,

Hassaballa

et al. 2016

The Knee

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“…Over 90% of the patients showed satisfactory results. Smith et al13) also reported in 2014 that the mean KS knee score and function score improved from 44.1 and 56.0 to 81.7 and 76.7 at a mean follow-up of 5 years. The mean range of motion increased from 108° to 112°.…”

Section: Discussionmentioning

confidence: 94%

Clinical Results of Lateral Unicompartmental Knee Arthroplasty: Minimum 2-Year Follow-up

Kim¹,

Lee²,

Kim³

et al. 2016

Clin Orthop Surg

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BackgroundWe investigated the clinical results and early complications after lateral unicompartmental knee arthroplasty (UKA) using the Zimmer unicompartmental high-flex knee (ZUK) prosthesis with a minimum follow-up of 2 years.MethodsTwenty-seven patients (30 cases) who underwent lateral UKA with the ZUK prosthesis between January 2011 and February 2014 were selected for this study. The mean age of the patients was 63.3 years at the time of surgery, and the mean followup was 3 years and 2 months (range, 24 to 48 months). A retrospective investigation method was used to evaluate the clinical and radiographic results with use of the Knee Society (KS) clinical rating system and plain radiography.ResultsThe mean KS pain score was improved from 17.9 points (range, 10 to 30 points) preoperatively to 40.5 points (range, 30 to 45 points) at the final follow-up (p < 0.001). The mean KS knee score and function score significantly increased from 63.2 points (range, 48 to 70 points) and 68.6 points (range, 35 to 80 points), respectively, preoperatively to 86.0 points (range, 74 to 95 points) and 92.4 points (range, 60 to 100 points), respectively, at the final follow-up (p < 0.001). The mean range of motion of the knee was recovered from 127.1° (range, 110° to 135°) preoperatively to 131.6° (range, 120° to 135°) at the final follow-up. The mean tibiofemoral angle changed from 6.2° of valgus (range, 0.1° to 11.4° of valgus) preoperatively to 3.4°of valgus (range, 0.2° to 9.5° of valgus) at the final follow-up. The overall results classified based on the KS knee score were "excellent" in 21 cases and "good" in 8 cases. Revision total knee arthroplasty was required in one case because of consistent pain on the medial side of the knee after surgery.ConclusionsThe early clinical results of lateral UKA using the ZUK prosthesis were satisfactory for improvement of pain, knee score, function score, and recovery of knee motion. Therefore, the lateral UKA could be a useful method in the treatment of osteoarthritis in the lateral compartment of the knee. Long-term survivorship remains to be confirmed through ongoing follow-up.

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“…In two of the largest series, Berend and colleagues 5 reported 99% survivorship in 100 lateral UKA at 3 years and Smith and colleagues 19 showed implant survival for 101 lateral UKA to be . Indications were complete lateral bone-on-bone arthrosis with a correctible deformity and maintenance of the medial joint space on varus stress radiographs.…”

Section: Modern Resultsmentioning

confidence: 99%

The Current Trends for Lateral Unicondylar Knee Arthroplasty

Berend¹,

Turnbull²,

Howell³

et al. 2015

Orthopedic Clinics of North America

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Fixed bearing lateral unicompartmental knee arthroplasty—Short to midterm survivorship and knee scores for 101 prostheses

Cited by 67 publications

References 39 publications

Survivorship and clinical outcome of the minimally invasive Uniglide medial fixed bearing, all-polyethylene tibia, unicompartmental knee arthroplasty at a mean follow-up of 7.3years

Survivorship and clinical outcome of the minimally invasive Uniglide medial fixed bearing, all-polyethylene tibia, unicompartmental knee arthroplasty at a mean follow-up of 7.3years

Clinical Results of Lateral Unicompartmental Knee Arthroplasty: Minimum 2-Year Follow-up

The Current Trends for Lateral Unicondylar Knee Arthroplasty

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