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Observational Study
. 2017 May 2;17(1):321.
doi: 10.1186/s12879-017-2429-2.

Clindamycin-rifampin combination therapy for staphylococcal periprosthetic joint infections: a retrospective observational study

Borg Leijtens  1 , Joris B W Elbers  2 , Patrick D Sturm  3 , Bart Jan Kullberg  4 , Berend W Schreurs  2
Affiliations
Observational Study

Clindamycin-rifampin combination therapy for staphylococcal periprosthetic joint infections: a retrospective observational study

Borg Leijtens et al. BMC Infect Dis. .

Abstract

Background: Staphylococcal species account for more than 50% of periprosthetic joint infections (PJI) and antimicrobial therapy with rifampin-based combination regimens has been shown effective. The present study evaluates the safety and efficacy of clindamycin in combination with rifampin for the management of staphylococcal PJI.

Methods: In this retrospective cohort study, patients were included who received clindamycin-rifampin combination therapy to treat a periprosthetic hip or knee infection by Staphylococcus aureus or coagulase-negative staphylococci. Patients were treated according to a standardized treatment algorithm and followed for a median of 54 months. Of the 36 patients with periprosthetic staphylococcal infections, 31 had an infection of the hip, and five had an infection of the knee. Eighteen patients underwent debridement and retention of the implant (DAIR) for an early infection, the other 18 patients underwent revision of loose components in presumed aseptic loosening with unexpected positive cultures.

Results: In this study, we report a success rate of 86%, with five recurrent/persistent PJI in 36 treated patients. Cure rate was 78% (14/18) in the DAIR patients and 94% (17/18) in the revision group. Five patients (14%) discontinued clindamycin-rifampin due to side effects. Of the 31 patients completing the clindamycin-rifampin regimen 29 patients (94%) were cured.

Conclusion: Combined therapy with clindamycin and rifampin is a safe, well tolerated and effective regimen for the treatment of staphylococcal periprosthetic infection.

Keywords: Clindamycin; Periprosthetic joint infection; Rifampin; Staphylococcus.

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Figures

Fig. 1
Fig. 1
Probability of cure. Kaplan-Meier survival curves of the total group of 36 patients. Tick marks indicate patients censored due to loss of follow-up or infection-unrelated events. Dotted lines indicate confidence intervals
See this image and copyright information in PMC

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