• Mariachiara Ippolito, Antonino Giarratano, and Andrea Cortegiani.
• Department of Surgical, Oncological and Oral Science (Di.Chir.On.S.), University of Palermo.
• Curr Opin Anaesthesiol. 2022 Oct 1; 35 (5): 549554549-554.

Purpose Of ReviewThe aim of this review is to provide a practical and updated summary on healthcare-associated central nervous system infections and their management.Recent FindingsThe term 'healthcare-associated ventriculitis and meningitis' has recently been coined and clinical practical guidelines have been published on the management of these nosocomial infections. Many aspects have still to be further investigated (e.g. cerebrospinal fluid biomarkers, indications for novel antibiotics, intrathecal antimicrobial regimens).SummaryClinicians should maintain a high index of suspicion for healthcare-associated central nervous system infections in patients with specific risk factors (i.e. recent neurosurgery, cerebrospinal shunts, drains or implantable devices, head/spinal traumatic events), taking into account systemic signs, and alterations in microbiological, imaging, cerebrospinal fluid findings. The diagnosis is often difficult to confirm because of reduced levels of consciousness or coma. Both Gram-positive and Gram-negative (often multidrug-resistant or even pandrug-resistant) microorganisms may be the cause. Selection of antibiotics must consider susceptibility and penetration into the central nervous system. Ineffective treatments are frequent, and mortality can reach 60%. Future research should focus on the diagnostic performance of biomarkers and on the use of novel antimicrobial regimens, especially for the treatment of difficult to treat infections.Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.

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