The Australian NJR 2012 has reported that the Polarstem/R3 Total hip arthroplasty has a higher than anticipated revision rate with a three year cumulative percentage of 3%. Out of the 733 Polarstem femoral components, 18 had to be revised within 3 years. Our unit has been using this system since 2009. The aim of this prospective study is to report the… (More)