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The Bone & Joint Journal
Vol. 103-B, Issue 2 | Pages 213 - 221
1 Feb 2021
Morgenstern M Kuehl R Zalavras CG McNally M Zimmerli W Burch MA Vandendriessche T Obremskey WT Verhofstad MHJ Metsemakers WJ

Aims

The principle strategies of fracture-related infection (FRI) treatment are debridement, antimicrobial therapy, and implant retention (DAIR) or debridement, antimicrobial therapy, and implant removal/exchange. Increasing the period between fracture fixation and FRI revision surgery is believed to be associated with higher failure rates after DAIR. However, a clear time-related cut-off has never been scientifically defined. This systematic review analyzed the influence of the interval between fracture fixation and FRI revision surgery on success rates after DAIR.

Methods

A systematic literature search was performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, in PubMed (including MEDLINE), Embase, and Web of Science Core Collection, investigating the outcome after DAIR procedures of long bone FRIs in clinical studies published until January 2020.


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_14 | Pages 87 - 87
1 Dec 2019
Burch MA Thompson K Eberli U Arens D Milstrey A Stadelmann V Richards G Moriarty F
Full Access

Aim

Non-steroidal anti-inflammatory drugs (NSAIDs) are a cornerstone of perioperative pain management in orthopedic trauma surgery, although concerns persist regarding the potential impact of these drugs on fracture healing. Furthermore, NSAIDs may also exert an influence on host immune defenses, which may also be important in the context of infection treatment. However, this has been very much under-investigated in the clinical and scientific literature. The aim of this study was to determine the impact of NSAIDs on the course of an orthopedic device-related infection (ODRI) and its response to antibiotic therapy in a rat model.

Method

A polyetheretherketone (PEEK) screw was inserted in the proximal tibia of 48 skeletally mature female Wistar rats: 12 control animals received a sterile screw, of which 6 also received NSAID therapy (carprofen, 5 mg/kg s.c. once daily); 36 rats received a Staphylococcus epidermidis-inoculated screw, of which 18 received NSAID therapy. Antibiotic therapy was administered from day 7–21 in 9 animals from all groups receiving S. epidermidis-inoculated screws (cefazolin: 30 mg/kg; s.c., b.i.d. plus rifampin: 25 mg/kg; s.c., b.i.d.). Bone histomorphometric changes were monitored using longitudinal microCT scanning, performed postoperatively, and at 3, 6, 9, 14, 20 and 28 days (euthanasia). Quantitative bacteriology of the implant, bone and overlying soft tissue was performed to assess infection status of individual animals.