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The effect of early weight bearing on migration pattern of the uncemented CLS stem in total hip arthroplasty
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Orthopaedics.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Orthopaedics.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Orthopaedics.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Orthopaedics.
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2007 (English)In: The Journal of Arthroplasty, ISSN 0883-5403, E-ISSN 1532-8406, Vol. 22, no 8, 1122-1129 p.Article in journal (Refereed) Published
Abstract [en]

Forty-two patients (younger than 65 years) with osteoarthritis were operated on with an uncemented CLS stem and randomized to early unrestricted weight bearing combined with intensive physiotherapy or to partial weight bearing combined with self-training. Radiostereometric analysis showed 1.2 (+0.11 to -6.76) mm subsidence of the stem at 24 months in both groups. There was no significant difference in the migration pattern between the unrestricted and partial weight bearing groups. Actual loading on the operated leg, measured with the F-scan system, did not influence the migration of the stem. There was a strong correlation between the average subsidence at 3 and 24 months (r = 0.96). Early full weight bearing and active rehabilitation can be used for the uncemented CLS stem without increased risk of early loosening.

Place, publisher, year, edition, pages
2007. Vol. 22, no 8, 1122-1129 p.
Keyword [en]
hip arthroplasty, uncemented CLS hip stem, early weight bearing, RSA, micromigration, load bearing
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-14786DOI: 10.1016/j.arth.2006.11.015ISI: 000205636600008PubMedID: 18078880OAI: oai:DiVA.org:uu-14786DiVA: diva2:42557
Available from: 2008-01-31 Created: 2008-01-31 Last updated: 2017-12-11Bibliographically approved

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Nilsson, OlleMilbrink, JanMallmin, HansLarsson, Sune

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