Some patients with an infection of their orthopedic implant use lifelong daily antibiotics. Our research, however, suggests that it might be safe to stop after 2 to 3 years. Furthermore, we found that it is probably safe to use a lower dosage of antibiotics than normally used for these infections. We performed this study by retrospectively analyzing electronic patient files from all patients we treated in our hospital with suppressive antibiotics.

The role of long-term antibiotics after debridement, antibiotics, and implant retention (DAIR) for periprosthetic joint infections is unclear. Patients with eventual cessation of antibiotics had similar outcomes to those who remained on chronic antibiotic suppression (failure rate of 11 % for both groups). This study importantly highlights a potential opportunity to prevent unnecessary antibiotic use and spare patients from the risk of side effects and development of resistant organisms. 

Long antibiotic courses, including IV and oral administrations, are utilized in prosthetic joint infection (PJI) treatment. Most researchers focus on a shorter duration of the overall antibiotic course for the treatment of PJI; however, this is the first systematic review and meta-analysis to emphasize the IV component of the antibiotic course. The focus on IV treatment only is due to the burden associated with it and its prolonged utilization within the US without much evidence of practice.

Neisseria meningitidis is a rare cause of prosthetic joint infection (PJI) which we hypothesised could be safely managed with minimal surgical intervention and short-course antibiotics. In contrast to the existing three reported cases, all of which received a minimum of 12 weeks of antibiotics, we present three further cases of late acute haematogenous PJI due to Neisseria meningitidis, demonstrating successful treatment with 6 weeks or less of antimicrobial therapy and implant retention.