No difference in migration or wear between cemented low-profile cups and standard cups : a randomized radiostereographic study of 53 patients over 3 years.

No difference in migration or wear between cemented low-profile cups and standard cups : a randomized radiostereographic study of 53 patients over 3 years. Research Abstract Details 

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No difference in migration or wear between cemented low-profile cups and standard cups : a randomized radiostereographic study of 53 patients over 3 years. Abstract Text:

Lars Palm, Olofsson,Stig-Eric ,Ingemar Ivarsson,

BACKGROUND: Minor design changes may cause major changes in implant performance. Thus, as part of a stepwise introduction of a new low-profile cup, we performed a randomized trial comparing it to a well-documented standard cup. PATIENTS AND METHODS: 60 patients, stratified according to sex, weight, and age, underwent cemented total hip arthroplasty using a Lubinus SP2 stem with ceramic head and were randomized to either the new low-profile Lubinus Flanged Anti-Luxation cup (FAL) or the Lubinus Standard Eccentric cup (Standard). 7 patients were excluded and 53 (28 FAL) were evaluated at 3, 6, 12, and 36 months postoperatively. Primary outcome variables, cup migration (MTPM), and wear (total 3-dimensional femoral head penetration) were measured with radiostereometry (RSA). Clinical outcome was evaluated with the western Ontario and McMaster osteoarthritis index (Womac) and the visual analog pain score (VAS). RESULTS: We found no difference in migration between the FAL and Standard cups. There was no difference in wear between the two cups and there was no correlation between wear and migration. 3 cups (2 FAL and 1 Standard) showed continuous migration of a magnitude that indicated an increased risk of early loosening. Clinical outcome was excellent, without any difference between the 2 groups.

No difference in migration or wear between cemented low-profile cups and standard cups : a randomized radiostereographic study of 53 patients over 3 years. Publishing Authors By Initials

L Palm,J Olofsson,SE ,I Ivarsson,

For similar diagnosis: prognosis: treatment outcome research abstracts see: diagnosis: prognosis: treatment outcome research

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No difference in migration or wear between cemented low-profile cups and standard cups : a randomized radiostereographic study of 53 patients over 3 years. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Acta orthopaedica

VOLUME: 78

Page Numbers: 479-84

Journal Abbreviation:

ISSN: 1745-3674

DAY: 19

MONTH: Aug

YEAR: 2007

No difference in migration or wear between cemented low-profile cups and standard cups : a randomized radiostereographic study of 53 patients over 3 years. Information

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LANGUAGE: eng

NlmUniqueID: 101231512

No difference in migration or wear between cemented low-profile cups and standard cups : a randomized radiostereographic study of 53 patients over 3 years. Keywords Mesh Terms:

KEYWORDS: Treatment Outcome

MESH TERMS: methods

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Grant and Affiliation Information for No difference in migration or wear between cemented low-profile cups and standard cups : a randomized radiostereographic study of 53 patients over 3 years.

AFFILIATION: Department of Orthopaedic Surgery, University Hospital Linköping, Sweden. lars.palm@lio.se

Country: Sweden

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MEDLINETA: Acta Orthop

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