Presepsin, i.e. the soluble cluster of differentiation 14-SubType (sCD14-ST), is an emerging biomarker for the diagnosis and evaluation of sepsis and infection. In 2004, Yaegashi et al. originally described presepsin as a potential biomarker; since then, several studies have investigated the role of presepsin in different infectious conditions, including neonatal sepsis, severe acute pancreatitis, infections in patients with haematological malignancies, severe community-acquired pneumonia, pacemaker and implantable cardioverter-defibrillator (ICD) pocket infections, surgical site infections (SSIs) and periprosthetic joint infects (PJIs). Moreover, presepsin has been also studied in the risk stratification in cardiac surgery patients, and as a biomarker in the perioperative management of patients undergoing total hip arthroplasty (THA) or total knee arthroplasty (TKA). This review aims to summarize the current knowledge about presepsin, focusing on the limits and potentials that the use of this biomarker could have in daily clinical practice. Presepsin is could be useful in daily clinical practice in orthopaedic surgery in the diagnosis and prevention of SSIs and PJIs. It is a cost-effective biomarker, but to improve its accuracy, it is important to carefully recalculate presepsin circulating values in patients with chronic kidney disease. However, further studies with larger patients' samples are needed to better validate the use of this biomarker in orthopaedics. In the future, synovial fluid presepsin might be a useful biomarker in the diagnosis of septic arthritis and PJIs.
Keywords: PJI; infection; presepsin; sCD14-ST; sepsis; surgical site infections.
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