2016
DOI: 10.1016/j.arth.2015.07.025
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Long-Term Results of Total Hip Arthroplasty with 28-Millimeter Cobalt-Chromium Femoral Heads on Highly Cross-Linked Polyethylene in Patients 50Years and Less

Abstract: Highly cross-linked polyethylene (HXLPE) is the most commonly used bearing surface in total hip arthroplasty (THA) because of its superior wear properties, but long-term results in young patients are limited. We report on the clinical outcome, radiographic wear patterns and survivorship of 72 patients ≤50 years old who had a 28-millimeter cobalt-chromium femoral head on HXLPE acetabular liner. Mean and median true linear wear rates at average ten-year follow-up were 0.0104 and 0.016 mm per year +/− 0.07 mm. Me… Show more

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Cited by 39 publications
(18 citation statements)
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“…Most modern studies on primary THA in young patients have focused on patients less than 50 years or less than 30 years. 2,4,5,7,8,12,[16][17][18][19] However, there have been some studies, which have shown favorable results in the extremely young, similar to our study, although none of them focused on HXLPE. A review of the Australian registry reported a cumulative revision rate of 4.5% in 297 primary THAs performed in patients 20 years and younger.…”
Section: Discussionsupporting
confidence: 82%
“…Most modern studies on primary THA in young patients have focused on patients less than 50 years or less than 30 years. 2,4,5,7,8,12,[16][17][18][19] However, there have been some studies, which have shown favorable results in the extremely young, similar to our study, although none of them focused on HXLPE. A review of the Australian registry reported a cumulative revision rate of 4.5% in 297 primary THAs performed in patients 20 years and younger.…”
Section: Discussionsupporting
confidence: 82%
“…First, patients are generally young and more active, although wear particles produced by HXLPE are thought to be much fewer than that of traditional polyethylene; the long-term survival of prosthesis is expected. Second, there are still concerns about HXLPE regarding fatigue fracture risk and potential to increase biological activity of polyethylene particles [26] . Third, sometimes for type III and type IV DDH, the high hip center technique might increase the joint reaction force, thus accelerating polyethylene wear.…”
Section: Discussionmentioning
confidence: 99%
“…In this retrospective study we tried to compare the polyethylene wear rates in both the groups of uncemented THA and hybrid THA. Onsten et al [23] and Stambough et al [24] in their studies have shown the trend of decreasing wear rates with time. Polyethylene wear rates in uncemented group were .05 mm/yr.…”
Section: Discussionmentioning
confidence: 93%