Survival and radioclinical evaluation of the Optimys™ short stem at more than 6 years’ mean follow-up: A retrospective study of 108 cases

INTRODUCTION: The short stems developed in recent years offer an interesting alternative to standard long stems. The Optimys™ short stem has been widely studied, but not according to the NICE (National Institute for Health and Care Excellence) criteria. We therefore conducted a retrospective study of Optimys™ at a minimum 5 years' follow-up, to assess: 1) survival on NICE criteria, 2) complications, 3) functional results, and 4) subsidence, restoration of offset and bone remodeling. HYPOTHESIS: Optimys\texttrademark{} shows survival comparable to that of other non-cemented standard and short stems, with a {$