期刊
FRONTIERS IN MEDICINE
卷 8, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fmed.2021.575580
关键词
viral infections; reactivation; respiratory tract infection; intensive care unit; critically ill; critical care; neurologic syndrome; shock
资金
- State Scholarships Foundation (IKY), Partnership Agreement (PA) 2014-2020
- European Union (European Social Fund-ESF) through the Operational Program Human Resources Development, Education and Lifelong Learning 2014-2020
Viral infections in the ICU can present with diverse clinical manifestations and may lead to severe diseases. The complex transmission routes and potential for hospital outbreaks highlight the importance of infection control measures. Limited progress in antiviral treatments has contributed to high rates of unfavorable outcomes for patients.
The advent of highly sensitive molecular diagnostic techniques has improved our ability to detect viral pathogens leading to severe and often fatal infections that require admission to the Intensive Care Unit (ICU). Viral infections in the ICU have pleomorphic clinical presentations including pneumonia, acute respiratory distress syndrome, respiratory failure, central or peripheral nervous system manifestations, and viral-induced shock. Besides de novo infections, certain viruses fall into latency and can be reactivated in both immunosuppressed and immunocompetent critically ill patients. Depending on the viral strain, transmission occurs either directly through contact with infectious materials and large droplets, or indirectly through suspended air particles (airborne transmission of droplet nuclei). Many viruses can efficiently spread within hospital environment leading to in-hospital outbreaks, sometimes with high rates of mortality and morbidity, thus infection control measures are of paramount importance. Despite the advances in detecting viral pathogens, limited progress has been made in antiviral treatments, contributing to unexpectedly high rates of unfavorable outcomes. Herein, we review the most updated data on epidemiology, common clinical features, diagnosis, pathogenesis, treatment and prevention of severe community- and hospital-acquired viral infections in the ICU settings.
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