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Implant migration a...
Implant migration after early weightbearing in cementless hip replacement
- Artikel/kapitelEngelska2005
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:liu-46104
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-46104URI
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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DOI does not work: 10.1097/01.bio.0000160380.15429.fb
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Twenty-nine patients (five women and 24 men) with an average age of 47 years (range, 24-59 years) had 37 total hip arthroplasties using a hydroxyapatite-coated double-wedge press-fit femoral component. All patients had a Type A bone quality. Patients were either mobilized with weightbearing as tolerated or toe-touch weightbearing for 6 weeks postoperatively. After 6 weeks all patients were advanced to weightbearing as tolerated. Radiostereometric analysis radiographs were taken at 3 days, 6 weeks, and 6 months postoperatively to measure migration of the femoral component. Radiostereometric analysis revealed no difference in stem migration between the two groups as defined by maximal total point migration. There was a difference in the vertical (proximal-distal) migration within the first 6 weeks between groups (0.81 mm versus 0.13 mm), but not afterwards (0.17 mm versus 0.18 mm). Continuous migration after 6 weeks was observed in three patients from each group. There was no loosening in either group within a 2-year followup. Weightbearing as tolerated is recommended for young patients with excellent bone quality after cementless total hip arthroplasty with a double-wedge press-fit femoral component. Level of Evidence: Diagnostic study, Level I (testing of previously developed diagnostic criteria in series of consecutive patients-with previously applied reference gold standard). See the Guidelines for Authors for a complete description of levels of evidence.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Zawadsky, M
(författare)
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Su, EP
(författare)
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Bostrom, M
(författare)
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Palm, LarsÖstergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Ortopedi och idrottsmedicin,Ortopedkliniken Linköping(Swepub:liu)larpa86
(författare)
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Ryd, LeifLinköpings universitet,Hälsouniversitetet,Ortopedi och idrottsmedicin(Swepub:liu)leiry54
(författare)
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Sculco, TP
(författare)
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Linköpings universitetHälsouniversitetet
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Clinical Orthopaedics and Related Research:436, s. 132-1370009-921X1528-1132
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