Total Hip Arthroplasty has been shown to have excellent long term outcomes, yet early reoperation remains a risk. The current study assesses the incidence, causes, and cost associated with early revision following elective primary THA in the US Medicare population. The study used the Limited Data Set (LDS) from the Centers for Medicate and Medicaid Services (CMS) to identify all primary THA (DRG 469/470) performed in the US (excluding Maryland) during 2016. All cases were followed for one year after the original date of operation to create a database of readmissions after surgery. These data allowed for the determination of the 1-year incidence and type of reoperation, the timing of reoperation, the admitting diagnosis, hospital utilization, and total cost.Introduction
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