No Need to Withhold Preoperative Antibiotic Prophylaxis

​Patients undergoing removal or replacement of an infected hip joint prosthesis routinely have intraoperative cultures taken to identify the causative pathogen and guide targeted antimicrobial therapy. A longstanding concern has been that administering standard preoperative antibiotic prophylaxis might compromise bacterial detection or reduce the sensitivity of these cultures.

Fortunately, the available evidence is clear and reassuring: standard preoperative antibiotic prophylaxis — including cefuroxime — should not be withheld in this setting.

The most recent consensus from the American Academy of Orthopaedic Surgeons supports the routine administration of prophylactic antibiotics prior to hip replacement surgery, even when infection is present. The key points are as follows:
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• Withholding preoperative antibiotics is associated with an increased risk of additional surgical site infections.
• Randomized controlled trials and cohort studies consistently demonstrate that preoperative antibiotic prophylaxis does not significantly reduce the sensitivity or positivity rate of intraoperative cultures, particularly when modern microbiological techniques are employed.
• There is no evidence to suggest that withholding prophylactic antibiotics improves the diagnostic accuracy of intraoperative cultures.​

In summary, current evidence strongly supports the continued use of standard preoperative antibiotic prophylaxis in patients undergoing surgery for infected hip prostheses. This approach optimizes patient safety without compromising microbiological diagnostics — a clear win for both infection control and clinical decision-making.

​Diagnosis and Prevention of Periprosthetic Joint Infections: Evidence-Based Clinical Practice Guideline. American Academy of Orthopaedic Surgeons (2019).

The Effect of Preoperative Antimicrobial Prophylaxis on Intraoperative Culture Results in Patients With a Suspected or Confirmed Prosthetic Joint Infection: A Systematic Review. Wouthuyzen-Bakker M, Benito N, Soriano A. Journal of Clinical Microbiology. 2017;55(9):2765-2774. doi:10.1128/JCM.00640-17.

Periprosthetic Joint Infection. Patel R. The New England Journal of Medicine. 2023;388(3):251-262. doi:10.1056/NEJMra2203477.

Preoperative Antibiotic Prophylaxis in Prosthetic Joint Infections: Not a Concern for Intraoperative Cultures. Pérez-Prieto D, Portillo ME, Puig-Verdié L, et al. Diagnostic Microbiology and Infectious Disease. 2016;86(4):442-445. doi:10.1016/j.diagmicrobio.2016.09.014.