American Joint Replacement Registry study links hospital size, total joint revision — 6 things to know

Shayna Korol -   Print  |

The American Joint Replacement Registry conducted the first study analyzing the correlation between hospital size, where total joint arthroplasty revision surgery is performed and the reason for the revision.

Here are six things to know.


1. The AJRR is a hip and knee replacement database which is part of the American Academy of Orthopaedic Surgeons' registries portfolio.


2. The researchers analyzed Medicare hospital claims and beneficiary enrollment data.


"Although this study looked at Medicare data as opposed to AJRR data, the findings will inform future Registry research projects and will lay the groundwork as the AJRR becomes more diverse and comprehensive," said AJRR Director of Analytics Caryn Etkin, PhD. "It will be interesting to share the results of the study with our international counterparts, and to see if similar trends have occurred on a global scale."


3. In hospitals with fewer than 150 beds, about 76 percent of revisions within one year of the initial procedure were performed at the same hospital.


4. In hospitals with over 450 beds, about 88 percent of revisions were performed at the same institution as the initial surgery.


5. For infection-related revisions within the first year, about 83 percent were performed at the same hospital and 80 percent by the same surgeon.


6. With dislocation-related total hip arthroplasty revisions, about 87 percent were performed at the same hospital and about 83 percent by the same surgeon.


Here is the poster displaying the findings.


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