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Migration of the Ch...
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Önsten, IngemarLund University,Lunds universitet,Ortopedi - klinisk och molekylär osteoporosforskning,Forskargrupper vid Lunds universitet,Orthopedics - Clinical and Molecular Osteoporosis Research,Lund University Research Groups
(författare)
Migration of the Charnley stem in rheumatoid arthritis and osteoarthritis. A roentgen stereophotogrammetric study
- Artikel/kapitelEngelska1995
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LIBRIS-ID:oai:lup.lub.lu.se:e276e912-8c49-4427-bc37-95d3b0ebcc9a
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https://lup.lub.lu.se/record/1109228URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Migration of 65 Charnley stems implanted with modern cementing techniques was studied by roentgen stereophotogrammetry. There were 25 patients with rheumatoid arthritis (RA) and 40 with osteoarthritis (OA) followed up for two years. In 43 cases a bone sample for histomorphometric analysis was obtained from the femur during the operation. In 22 cases the mean subsidence of the prosthetic head was 0.40 mm and in 20 the mean posterior migration was 1.25 mm. There was no difference in migration between the two diagnostic groups (p = 0.8) after adjusting for variations in gender, age and weight. Male gender was associated with increased subsidence (p = 0.006). Histological examination showed that the RA series had more osteoid surface (p = 0.04), but neither this, nor any of the other histomorphometric variables, influenced migration. These results suggest that, unlike the acetabular socket, the cemented Charnley femoral component is equally secure in osteoarthritis and in rheumatoid arthritis, and that its initial fixation is not influenced by the quality of the local cancellous bone. Our results provide data with which the early performance of new prosthetic designs and fixation methods can be compared.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Åkesson, KristinaLund University,Lunds universitet,Ortopedi - klinisk och molekylär osteoporosforskning,Forskargrupper vid Lunds universitet,Orthopedics - Clinical and Molecular Osteoporosis Research,Lund University Research Groups(Swepub:lu)orto-kak
(författare)
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Besjakov, JackLund University,Lunds universitet,Diagnostisk radiologi, Malmö,Forskargrupper vid Lunds universitet,Radiology Diagnostics, Malmö,Lund University Research Groups(Swepub:lu)ront-jbe
(författare)
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Obrant, KarlLund University,Lunds universitet,Ortopedi - klinisk och molekylär osteoporosforskning,Forskargrupper vid Lunds universitet,Orthopedics - Clinical and Molecular Osteoporosis Research,Lund University Research Groups(Swepub:lu)orto-kob
(författare)
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Ortopedi - klinisk och molekylär osteoporosforskningForskargrupper vid Lunds universitet
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Bone and Joint Surgery: British Volume77-B:1, s. 18-222044-5377
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