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J Bone Jt Infect. 2019 Nov 7;4(6):285-291. doi: 10.7150/jbji.35683. eCollection 2019.

A population-based study on the treatment and outcome of enterococcal prosthetic joint infections. A consecutive series of 55 cases.

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Lund University, Department of Clinical Sciences Lund, Division of Infection Medicine and Skåne University Hospital, Department of Infectious Diseases, Lund, Sweden.
Lund University, Department of Clinical Sciences Lund, Division of Orthopedics and Skåne University Hospital, Department of Orthopedics, Lund, Sweden.



Enterococci cause 2-11% of all prosthetic joint infections (PJI) and are generally considered difficult to treat. However, study-results are not consistent. In this study we present a population-based case series of 55 cases with enterococcal PJI, investigating treatment and outcome, as well as describing the affected patient population regarding demography and co-morbidities.


We identified all enterococcal PJIs in the Region of Skåne, Sweden, during a five-year period (2011-2015) and reviewed the patients' medical records.


Fifty-five enterococcal PJIs were found. Enterococcus faecalis was the most frequently isolated species (84%), and poly-microbial infections were common (64%). Treatment with intention to cure was given to 43 (78%) cases. Debridement with retention of the implant and antibiotics (DAIR) was the most common surgical treatment strategy (71%), with a cure-rate of 72%. Overall cure-rate was 67%, and in cases where cure was intended, this was achieved in 80%.


When cure is aimed for, the prognosis for enterococcal PJI is not so poor, and DAIR treatment can provide adequate results in many cases.


Enterococcus faecium; Enterococcus faecalis; debridement; outcome; prosthetic joint infection; treatment

Conflict of interest statement

Competing Interests: The authors have declared that no competing interest exists.

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