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All-polyethylene vs...
All-polyethylene vs. metal-backed tibial component in total knee arthroplasty-a randomized RSA study comparing early fixation of horizontally and completely cemented tibial components: part 2. Completely cemented components: MB not superior to AP components
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Hyldahl, H. (författare)
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- Regnér, Lars, 1955 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för de kirurgiska disciplinerna, Avdelningen för ortopedi,Institute of Surgical Sciences, Department of Orthopaedics
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- Carlsson, Lars, 1952 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för de kirurgiska disciplinerna, Avdelningen för ortopedi,Institute of Surgical Sciences, Department of Orthopaedics
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- Kärrholm, Johan, 1951 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för de kirurgiska disciplinerna, Avdelningen för ortopedi,Institute of Surgical Sciences, Department of Orthopaedics
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- Weidenhielm, L. (författare)
- Karolinska Institutet
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(creator_code:org_t)
- Medical Journals Sweden AB, 2005
- 2005
- Engelska.
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Ingår i: Acta Orthop. - : Medical Journals Sweden AB. - 1745-3674 .- 1745-3682. ; 76:6, s. 778-84
- Relaterad länk:
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- BACKGROUND: Uncertainty exists as to whether metal backing (MB) of the tibial component is better than an all-polyethylene component (AP). This is valid for both horizontally and completely cemented components. We evaluated completely cemented MB vs. AP (Part 2). PATIENTS AND METHODS: In a randomized study, 39 patients (40 knees) with knee arthrosis were operated with cemented low-conforming total knee arthroplasty (AGC, Biomet) with a tibial component of uniform thickness (8 mm), cemented both beneath the tibial tray and around the stem. 20 patients had an all-polyethylene (AP) tibial component and 20 patients had an identical but metal-backed (MB) tibial component. We used clinical examination and radiostereometric analysis (RSA) to evaluate the hypothesis that MB improves component fixation. Fixation was evaluated using RSA up to 2 years after surgery. Clinical assessment was performed preoperatively and after 2 years using the Hospital for Special Surgeons (HSS) score. RESULTS: We found no differences in micromotion, and no differences in clinical scores could be detected between the groups at any time point. INTERPRETATION: Our findings indicate that there was equal initial fixation of the AP and MB stemmed monobloc components when they were cemented beneath the tibial plateau and around the stem.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kirurgi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Surgery (hsv//eng)
Nyckelord
- Aged
- *Arthroplasty
- Replacement
- Knee/instrumentation/methods
- Bone Cements
- Cementation/methods
- Female
- Humans
- Knee Joint/radiography
- *Knee Prosthesis
- Male
- Metals
- Middle Aged
- Osteoarthritis
- Knee/surgery
- Polyethylenes
- Prosthesis Design
- *Tibia
- Treatment Outcome
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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