Original articleActivity and socket wear in the Charnley low-friction arthroplasty
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Clinical and Radiographic Outcomes of Total Hip Arthroplasty With a Specific Liner in Small Asian Patients: Influence of Patient-Related, Implant-Related, and Surgical Factors on Femoral Head Penetration
2017, Journal of ArthroplastyCitation Excerpt :In addition, it has been reported that male patients walked 28% more than female patients [41]. Feller et al [42] divided patients who underwent THA into 5 groups according to the estimated walking distance, and revealed a significant association between the activity level and the wear of the artificial hip joint. In addition to the type of PE resin, manufacturing technique, and sterilization technique discussed above, liner thickness is an important implant-related factor that can influence PE wear.
Activity levels and polyethylene wear of patients 10 years post hip replacement
2008, Clinical BiomechanicsCitation Excerpt :Tribological theory (Dowson, 2001) and in vitro tests (Wang et al., 1997) have shown that under steady state conditions wear is proportional to the sliding distance experienced at articulating surfaces. However the time to walk a given distance (i.e. walking velocity) may also influence the tribological conditions prevailing at the joint replacement articulating surfaces (Feller et al., 1994). Assessment of patients activity levels over a longer period and at multiple different time points may provide more accurate assessments of activity levels.
Outcome Studies and Data Collection
2008, Hip Resurfacing: Principles, Indications, Technique and ResultsRehabilitation and Activity Following Total Hip Resurfacing
2008, Hip Resurfacing: Principles, Indications, Technique and ResultsActivity Level in Young Patients With Primary Total Hip Arthroplasty. A 5-Year Minimum Follow-up
2007, Journal of ArthroplastyCitation Excerpt :Although walking activity as measured by pedometer was not significantly correlated with in vivo linear wear rates in this study, because of our small sample size, we can offer no strong conclusions as to the impact of activity on wear. The correlation between activity level and polyethylene wear has been studied by others, but results in the literature are conflicting, and the relationship remains uncertain [9,23,43-45]. Further studies of patients with THA, perhaps using multiple different methods to assess activity level and in vivo wear, are needed to clarify this relationship.