Serum Presepsin as a Key Indicator of Herpes Simplex Virus 1 Reactivation in COVID-19 Patients
Nikhil Prasad Fact checked by:Thailand Medical News Team Mar 01, 2025 4 hours, 30 minutes ago
Medical News: Understanding the Role of Presepsin in Viral Reactivation
A recent study conducted by researchers from the University Hospital Regensburg in Germany has revealed a significant link between elevated serum presepsin levels and the reactivation of herpes simplex virus 1 (HSV-1) in patients suffering from severe COVID-19. The findings suggest that presepsin, a biomarker typically associated with bacterial infections and sepsis, may also serve as an important indicator of viral reactivation in critically ill COVID-19 patients.
Serum Presepsin as a Key Indicator of Herpes Simplex Virus 1 Reactivation in COVID-19 Patients
COVID-19 has been known to cause severe immune system dysregulation, making patients more susceptible to secondary infections and viral reactivations. This
Medical News report highlights how HSV-1, a common latent virus in humans, can be reactivated in critically ill patients and potentially worsen their prognosis. The study sheds new light on the importance of monitoring presepsin levels as a potential tool for early detection and intervention in patients with COVID-19.
How the Study Was Conducted
The research team examined 123 patients diagnosed with COVID-19, dividing them into moderate and severe cases. They also included a control group of 49 healthy individuals for comparison. Blood samples were collected from all participants, and presepsin levels were measured using enzyme-linked immunosorbent assay (ELISA) techniques.
In addition to presepsin levels, the researchers investigated the presence of other inflammatory markers such as procalcitonin and C-reactive protein, along with monitoring the incidence of bacterial and fungal infections. The study specifically aimed to determine whether presepsin levels were influenced by HSV-1 reactivation, a condition that had not been previously well explored in COVID-19 patients.
Key Findings of the Study
The results revealed that severe COVID-19 patients exhibited significantly higher presepsin levels than those with moderate cases. However, the most striking discovery was that presepsin levels were particularly elevated in patients experiencing HSV-1 reactivation.
Among the 20 patients with HSV-1 reactivation, serum presepsin levels were markedly higher compared to those without viral reactivation. The area under the receiver operating characteristic curve (AUROC) analysis demonstrated a value of 0.747 (p = 0.002), confirming the potential diagnostic significance of presepsin for detecting HSV-1 reactivation.
Interestingly, bacterial and fungal superinfections did not show a significant impact on presepsin levels, suggesting that the biomarker’s elevation was largely driven by viral reactivation rather than bacterial sepsis.
Furthermore, the severity of COVID-19 appeared to be closely linked with both increased presepsin levels and a higher likelihood of HSV-1 reactivation, indicating that critically ill patients are at greater risk for developing complications r
elated to latent viral infections.
Impact on Patient Outcomes
Patients who experienced HSV-1 reactivation faced a significantly worse prognosis. Twelve out of the 20 patients with HSV-1 reactivation did not survive, compared to nine deaths among the 40 patients without viral reactivation. This stark difference (p = 0.009) underscores the potential severity of herpes simplex virus reactivation in COVID-19 cases.
Additionally, patients with HSV-1 reactivation often required more intensive respiratory support, with many needing escalated ventilation parameters. This suggests that monitoring presepsin levels in COVID-19 patients could serve as an early warning system to identify those at high risk for complications.
What This Means for Clinical Practice
These findings highlight the potential value of presepsin as a biomarker not only for bacterial infections but also for detecting viral reactivation in severe COVID-19 cases. Clinicians treating critically ill patients may benefit from incorporating presepsin monitoring into routine diagnostics to identify those at risk for HSV-1 reactivation.
Early identification of viral reactivation could allow for timely antiviral treatments, potentially improving outcomes for patients. The study also emphasizes the need for heightened awareness of secondary infections and viral reactivations in COVID-19 cases, which may play a crucial role in determining patient survival.
Conclusion
This groundbreaking research from the University Hospital Regensburg provides compelling evidence that presepsin is a valuable biomarker for identifying HSV-1 reactivation in severe COVID-19 patients. The study demonstrates that presepsin levels are significantly higher in those experiencing viral reactivation, while bacterial and fungal infections have minimal impact on these levels.
Furthermore, the findings underscore the importance of routine monitoring of presepsin levels in COVID-19 patients, especially those in critical care settings. By doing so, healthcare providers may be able to detect viral reactivations earlier and intervene more effectively, potentially improving patient survival rates.
The study findings were published in the peer-reviewed journal: Viruses.
https://www.mdpi.com/1999-4915/17/3/357
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