Exact(8)
Collar size should be proportional to the size of the operated hip, and should be larger for 'varus' stem models than for 'standard' stem models.
Our data therefore suggest that collar size should be proportional to the size of the operated hip, and that it should be larger for 'varus' stem models than for 'standard' stem models.
This five-year prospective study was designed to investigate periprosthetic bone remodeling associated with two cemented stem models, ABG-II (Stryker) and VerSys (Zimmer), randomly implanted in patients older than 75yearss.
Although these technologies are still in active development, we conclude that, as our understanding of how to efficiently generate and probe the plasticity of patient-specific stem models improves, their utility is likely to advance rapidly.
Although there were many ways to convert three dimensional stem models into surface meshing, the author found out that this procedure produces better meshing for this study.
The mean difference in matching of the surface cup and the stem models to the radiographic contours was 0.15 (95% CI: 0.13 0.17) for the cups and 0.24 (CI95% CI: 0.22 0.26) for the stems.
Similar(52)
The present study revealed that femoral cortical distance is correlated to stem model and size.
Multivariable analysis confirmed that stem model (p < 0.0001) and head diameter (p = 0.0162) are directly correlated to cortical distance.
Multivariable analysis confirmed that stem model (p < 0.0001) and femoral head diameter (p = 0.0162) are directly correlated to cortical distance.
The recent study of Dev et al. supports the stem model of TM (Dev et al., 2016).
First, hip templating was performed using one THA stem model, and it is not clear whether our conclusions apply for other commercially available femoral stems.
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