“With [these] data, we see that the larger the head diameter, the lower the dislocation rate. Nevertheless, we are using these larger femoral heads judiciously using primarily 32 mm and 36 mm for a routine primary total hip. We are not advocating using 40-mm femoral head diameters for routine primaries due to risks of trunnionosis and corrosion, and unknown long-term wear rates.” said Kevin I. Perry, MD Read article “Mid-term results show approach, large THA heads may protect against early dislocation”, a study update on dislocation after primary total hip arthroplasty.
Posted on: Wed, 03 Jul 2013 13:41:16 +0000
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