Hospital Isolation for Bone Infections Rests on Tradition, Not Evidence, Study Finds

For decades, one of the most entrenched rituals in orthopaedic medicine has been the separation of patients with bone and joint infections from the rest of the hospital ward. Dedicated septic wards, single rooms, and strict cohorting have been treated as self-evident safeguards against cross-contamination, particularly in an era when implanted hardware such as plates, nails, and prosthetic joints can be jeopardized by even a single new infection. But a new analysis published in the Journal of Bone and Joint Infection argues that this long-standing practice is sustained more by history and intuition than by data. An international team of clinicians, led by Laura Bessems and Willem-Jan Metsemakers of KU Leuven and University Hospitals Leuven, has concluded that routine isolation of patients with musculoskeletal infections lacking multidrug-resistant organisms cannot be justified when standard precautions are properly applied.

The argument rests on a careful synthesis of two complementary lines of investigation. The first is a scoping review of the published literature on isolation strategies for musculoskeletal infections, which the same group had completed a year earlier. The second is a fresh international survey of clinicians attending the annual meeting of the European Bone and Joint Infection Society in Bologna in 2025. Together, these tools allowed the researchers to do something unusual in infection control: compare what the evidence actually shows with what experienced specialists believe it shows. The gap between the two, they report, is striking and has real consequences for how hospitals allocate scarce beds and staff time.

The technical logic behind the review is straightforward. Musculoskeletal infections encompass fracture-related infections and periprosthetic joint infections, conditions in which bacteria colonize bone, soft tissue, or the surface of an implant. The central fear driving isolation has always been cross-transmission: that a patient harboring a virulent organism could seed it onto environmental surfaces or transfer it via healthcare workers’ hands to another vulnerable patient, particularly one with fresh surgical wounds or implanted hardware. Yet when the researchers systematically examined the literature, they found no studies demonstrating that ward-level isolation, cohorting, or dedicated septic wards reduce cross-transmission, surgical site infection, or reinfection rates for patients whose infections are caused by organisms that remain susceptible to common antibiotics.

This absence of evidence stands in sharp contrast to the situation with multidrug-resistant organisms. For infections involving methicillin-resistant Staphylococcus aureus, vancomycin-resistant Enterococcus, or carbapenemase-producing Enterobacterales, the literature consistently supports targeted measures, typically single-patient rooms combined with strict transmission-based precautions. The rationale here is not the diagnosis of a bone infection itself but the biology of the organism: these pathogens are harder to eradicate, carry higher risks of colonization, and leave clinicians with a much narrower arsenal of antibiotics. The review’s conclusion, therefore, is not that isolation is meaningless, but that it should be calibrated to the pathogen rather than applied reflexively to every infected patient who walks through the door.

To understand why practice has lagged behind this reasoning, the team surveyed 577 registered members of the European Bone and Joint Infection Society, of whom 157 completed the full questionnaire, a response rate of 27.2 percent. The respondents represented a deliberately broad cross-section of the specialties involved in musculoskeletal infection care: 65.6 percent were orthopaedic and trauma surgeons, 24.2 percent infectious disease specialists, and the remainder microbiologists, infection prevention professionals, plastic surgeons, and pharmacists. Participants were presented with clinically realistic scenarios and asked whether they would permit a patient to share a room with an uninfected orthopaedic patient, allowing the researchers to map how attitudes shift with the pathogen’s resistance profile and the state of the wound.

The results revealed deep divisions, and the fault lines ran along professional boundaries. When asked about a patient with a periprosthetic joint infection caused by methicillin-susceptible Staphylococcus aureus, a fully antibiotic-sensitive bacterium, without any wound complications, 57.1 percent of all respondents judged room-sharing to be unacceptable. But the specialty breakdown was revealing: 70.3 percent of orthopaedic surgeons opposed sharing a room, compared with only 36.8 percent of infectious disease specialists and 14.3 percent of microbiologists, though the microbiologist subgroup was small and should be interpreted cautiously. In other words, the clinicians closest to the operating table were the most likely to insist on separation, even for infections that microbiologically pose the least threat.

Wound appearance proved to be a powerful modifier of perceived risk. When the scenario was changed to a fracture-related infection with a draining fistula, opposition to room-sharing rose to 72.8 percent overall. Yet even here, more than half of infectious disease specialists, 55.6 percent, and microbiologists, 57.1 percent, still considered isolation unnecessary. Perhaps most telling was a comparison embedded in the survey data: for orthopaedic and trauma surgeons, the proportion opposing room-sharing for a methicillin-susceptible infection with wound complications was roughly the same as for a methicillin-resistant infection without wound complications. Visible drainage, in the surgical mind, appeared to confer a transmission risk equivalent to antibiotic resistance itself. The authors note that such concern is biologically plausible, since wound exudate can contaminate the environment, and Staphylococcus aureus transmission between hospitalized patients and via surfaces has been documented elsewhere in healthcare. What is missing is any demonstration that these concerns translate into a measurable benefit of routine isolation in this specific setting.

Agreement emerged where the pathogen was unambiguous. For a patient with a methicillin-resistant joint infection, 84.8 percent of respondents considered room-sharing inappropriate, a near-consensus that mirrors the evidence base. But the survey also exposed a curious blind spot: when asked whether dedicated septic wards are supported by scientific evidence, 49.2 percent of respondents said yes, including 52.3 percent of orthopaedic surgeons and 48.4 percent of infectious disease specialists. Only 14.3 percent of microbiologists shared this belief. That perception persists despite the scoping review’s failure to identify any supporting studies, illustrating how historical practice can outlive its scientific foundation. Structural separation may provide psychological reassurance, the authors observe, but in the absence of demonstrated benefit it must be weighed against its costs in bed capacity, staffing, and patient flow, pressures that have become acute in the post-COVID-19 era.

Not everything in the survey reflected discord. Across all disciplines, there was near-universal agreement, 94.2 percent, on the importance of standardized care pathways and rigorous adherence to standard precautions: hand hygiene, environmental cleaning, and appropriate use of personal protective equipment. This consensus offers a practical path forward, because a risk-based approach to isolation is only as safe as the everyday measures underpinning it. The authors caution that compliance with hand hygiene varies considerably across institutions, a weakness documented in systematic reviews, and that any relaxation of structural isolation must be accompanied by sustained investment in training, education, and auditing. They also acknowledge that single rooms are sometimes preferred for reasons unrelated to infection control, such as privacy, comfort, or the demands of complex wound care and prolonged antimicrobial therapy.

The overall message is a call for differentiation rather than abolition. Routine ward-level isolation for musculoskeletal infections caused by susceptible organisms, the authors conclude, cannot be justified when standard precautions are consistently applied, whereas infections caused by multidrug-resistant organisms, particularly methicillin-resistant Staphylococcus aureus, may warrant single-patient rooms and transmission-based precautions depending on local risk assessment. The survey’s limitations deserve note: it was voluntary, confined to members of a single European society, and may not represent all clinicians caring for these patients. Even so, the study captures something important about how medicine changes. Isolation practices in bone and joint infection care, the authors write, are shaped as much by historical precedent and perceived risk as by scientific evidence. Bridging that gap will require not new buildings or new wards, but a deliberate shift in clinical culture, one that directs infection control resources where the evidence says they matter most and lets go of the traditions that no longer earn their keep.

Subject of Research: Evidence-based patient isolation policies for musculoskeletal infections in orthopaedic care

Article Title: Isolation policies in musculoskeletal infection care: time to move from tradition to evidence

Article References: Bessems, L., Onsea, J., Wouthuyzen-Bakker, M., Sigmund, I. K., Ferry, T., Kuehl, R., Clauss, M., Soriano, A., Sousa, R., Schuermans, A., & Metsemakers, W.-J. (2026). Isolation policies in musculoskeletal infection care: time to move from tradition to evidence. Journal of Bone and Joint Infection, 11(4), 489-492. https://doi.org/10.5194/jbji-11-489-2026

Image Credits: AI Generated

DOI: 10.5194/jbji-11-489-2026

Keywords: musculoskeletal infections, patient isolation, infection control, multidrug-resistant organisms, MRSA, periprosthetic joint infection, fracture-related infection, orthopaedic surgery, standard precautions, septic wards, EBJIS survey, cross-transmission