Trial reportHip international : the journal of clinical and experimental research on hip pathology and therapy2024
Comparison of 5-year cup and stem migration between ceramic-on-ceramic and ceramic-on-polyethylene bearing in press-fit total hip arthroplasty: a randomised controlled trial using radiostereometric analysis.
Trial report in Hip international : the journal of clinical and experimental research on hip pathology and therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03093038 (Early Stability of the Delta-TT Cup With Polyethylene Insert Compared to the Delta-TT Cup With Ceramic Insert. A Randomised RSA Study), which is not on this map. Not yet cited in PubMed.
What it found
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The trial behind it
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Early Stability of the Delta-TT Cup With Polyethylene Insert Compared to the Delta-TT Cup With Ceramic Insert. A Randomised RSA Study
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Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThe inelasticity of ceramic bearings might affect primary stability and migration of implants in press-fit total hip arthroplasty (THA). This randomised controlled trial compares migration patterns of the uncemented Delta-TT cup and H-MAX S stem between ceramic and polyethylene liners, up to 5 years follow-up.
methodsPatients receiving primary press-fit THA were randomly allocated to a ceramic (
resultsAt 5-year follow-up, mean (95% CI) proximal cup translation was 0.56 (0.37-0.74) mm in ceramic and 0.58 (0.25-0.90) mm in polyethylene (
conclusions5-year migration patterns of press-fit cups and stems were similar between ceramic and polyethylene liners. The Delta-TT cup and H-MAX S stem showed secondary stabilisation and remained stable up to 5 years in both groups, which is promising for long-term survival with both liner types. CLINICAL
trial registrationClinicalTrials.gov (NCT03093038).
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