Prosthetic Joint Infections and Antibiotic Prophylaxis

Introduction to Prosthetic Joint Infections

• The American Dental Association and American Academy of Orthopedic Surgeons recommend that, in general, for patients with prosthetic joint implants, antibiotic prophylaxis is not recommended 1
• The American Urological Association states that antibiotic prophylaxis is not indicated for most healthy patients with total joint replacements 2

Patient Risk Factors

• Certain conditions increase the risk of prosthetic joint infections, including inflammatory arthropathies, drug-induced or radiation-induced immunosuppression, HIV infection or AIDS, active malignancy/cancer treatment, solid organ transplant recipients on immunosuppression, inherited immune deficiency diseases, previous prosthetic joint infection, malnourishment, and hemophilia 1, 2

Risks and Benefits of Antibiotic Use

• Approximately 20% of patients receiving antibiotics will develop an adverse event requiring medical attention, contributing to antibiotic resistance, risk of Clostridioides difficile infection, allergic reactions, and disruption of normal microbiome 1
• The risk of developing a prosthetic joint infection is <1%, while the risk of antibiotic adverse events is around 20% 1

Guideline Recommendations

• The evidence strongly supports that for most patients with artificial joints who experience skin tears, proper wound care alone is sufficient, and antibiotic prophylaxis should be reserved only for those with significant immune compromise or other high-risk conditions 1
• The American Urological Association recommends that routine antibiotic prophylaxis is NOT indicated for most patients with total joint replacements undergoing dental, urologic, gastrointestinal, or other invasive procedures, except for high-risk patients with inflammatory arthropathies, immunocompromised states, or drug-induced immunosuppression 2

• Recommended antibiotic regimens include:

  Antibiotic	Dosage
  Cefazolin	2g IV slow, with reinjection of 1g if the duration of surgery is >4 hours
  Clindamycin	900 mg IV slow
  Vancomycin	30 mg/kg/120 min, with infusion lasting 120 minutes and ending no later than the start of the intervention, ideally 30 minutes before

  3

• Alternative prophylaxis options are also recommended by the American College of Surgeons and the Infectious Diseases Society of America, including clindamycin (900 mg IV) plus piperacillin-tazobactam, ceftriaxone plus metronidazol, or single-agent regimens like piperacillin-tazobactam, carbapenems, or combined regimens like ceftriaxone and metronidazol, or fluoroquinolone and metronidazol for orthopedic surgery 4
• For patients ≥120 kg, consider higher doses of cefazolin, as recommended by the American Society of Health-System Pharmacists 2
• Redose with 1g of cefazolin if surgery exceeds 4 hours, according to the American College of Surgeons 2
• Administer antibiotics 30-60 minutes before surgical incision, and for vancomycin, begin infusion 120 minutes before incision, ending at least 30 minutes before incision, as recommended by the American Society of Anesthesiologists 2
• Ensure urine is sterile before surgery; if bacteriuria is present, treat before proceeding with joint replacement, as recommended by the American Urological Association 2
• Dosage adjustment for patients with reduced renal function is recommended, with creatinine clearance 35-54 mL/min: full dose but at 8-hour intervals, creatinine clearance 11-34 mL/min: half dose every 12 hours, and creatinine clearance ≤10 mL/min: half dose every 18-24 hours 5
• For patients with true penicillin allergy, the American Academy of Orthopaedic Surgeons suggests using clindamycin 900mg IV slow infusion as an alternative antibiotic prophylaxis 3

Perioperative Management

• Maintaining appropriate perioperative temperature, fluid, and oxygenation management is crucial, as recommended by the American Society of Anesthesiologists 5, 6
• Using active warming strategies during and after surgery to prevent hypothermia is also recommended by the American Society of Anesthesiologists 6
• Considering thromboembolism prophylaxis with appropriate timing to minimize bleeding risk during surgery is suggested by the American College of Chest Physicians 6
• Implementing proper infection prevention and control strategies, including correct hand hygiene practices, meticulous surgical techniques, and minimizing tissue trauma, is recommended by the World Health Organization 5

Duration of Antibiotic Prophylaxis

• The duration of antibiotic prophylaxis should be limited to the operative period, with a maximum of 24 hours, to minimize risks of adverse effects and antimicrobial resistance, according to the American Academy of Orthopaedic Surgeons and the Infectious Diseases Society of America (IDSA) guidelines 7, 8
• The American Society of Anesthesiologists and the Centers for Disease Control and Prevention recommend administering antibiotics within 30-60 minutes prior to surgical incision, with a single dose generally being sufficient, but considering extension up to 24-48 hours in cases of significant contamination 5, 3