Extensive Preoperative Work is Required for Revision Hip and Knee Arthroplasty

Published:January 05, 2022DOI:https://doi.org/10.1016/j.arth.2021.12.041



      Efforts to determine the clinical effort associated with preparing for revision total hip and knee arthroplasty are necessary to maintain the appropriate work relative value unit rating. We have investigated the work done by the orthopaedic surgical team in the days and weeks prior to revision hip and knee replacement using a count of time by team members in the electronic medical record (EMR).


      EMR audit logs were generated, and pre-operative work (POW) was calculated for members of the surgical team for 200 sequential revision cases. Independent samples t tests were conducted to compare total POW for procedure, age, gender, insurance, and health literacy; significance threshold,p =.05.


      POW was 97.7 minutes (SD 53.1). Surgeon POW accounted for 10.5 minutes (SD9.3), nurses for 29.9 minutes (SD 34.2), mid-level providers for 22.1 minutes (SD17.0), and office technicians for 34.1 minutes (SD35.2). There was no difference in total POW based on procedure (hip vs. knee), age, gender, insurance type, or health literacy.


      Revision arthroplasty requires substantial preoperative preparation from the surgical team. Most of this is by nurses, mid-level providers, and office staff. This does not seem to be different for hip or knee revisions or by age and gender. EMR audit logs capture the bare minimum POW required to prepare a patient for revision arthroplasty.

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