Monday, July 8, 2019

Reverse total shoulder - the risk for infection

Reverse shoulder arthroplasty has a higher risk of revision due to infection than anatomical shoulder arthroplasty 17 730 PRIMARY SHOULDER ARTHROPLASTIES FROM THE NORDIC ARTHROPLASTY REGISTER ASSOCIATION

These authors used the Nordic Arthroplasty Registry database to estimate cumulative rates and relative risk of revision due to infection after shoulder arthroplasty in 17 730 primary shoulder arthroplasties and an average of three years nine months after surgery.

188 revisions were reported due to infection during a mean follow-up of three years and nine months. The ten-year cumulative rate of revision due to infection was 3.1% for all reverse shoulder arthroplasties and 8.0% for reverse shoulder arthroplasties in men.

It is of interest that many of these revisions took place years after the index procedure.


Young paitients, those with fracture related problems and those with cuff tear arthropathy had significantly higher risks of revision for infection.

Comment: In this large experience, more than one in twelve patients having a reverse total shoulder had a revision for infection.

This article does not report the way the shoulders were evaluated for infection or the organisms responsible for the infections. However, the increased rate of revision for infection in young male patients suggests that Cutibacterium may have been the causative organism in many of them.

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