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Published on: July 24, 2021
Pharmacologic options for CNS infections caused by resistant Gram-positive organisms
William J Peppard1, Carolyn J Johnston, Angela M Urmanski
1Clinical Pharmacist, Surgical Critical Care, Froedtert Hospital, 9200 West, Wisconsin Avenue, Milwaukee, WI 53226, USA. wpeppard@fmlh.edu
Abstract:
Infectious disease continues to evolve, presenting new and challenging clinical situations for practitioners. Specific to device-related and neurosurgical-related CNS infections, Gram-positive organisms are of growing concern. Current Infection Disease Society of America guidelines for the treatment of CNS infections offer little direction after conventional therapy, consisting of vancomycin, has failed or the patient has demonstrated intolerance. A review of literature evaluating alternative therapies, specifically linezolid, quinupristin/dalfopristin, daptomycin and tigecycline, will be presented. Interpretations of these data are offered followed by a brief presentation of future therapies, including ortavancin, telavancin, dalbavancin, ceftobiprole and iclaprim, all of which possess potent Gram-positive activity.
Insights
Gram-positive infections of the central nervous system (CNS) are a growing concern. This review explores alternative therapies like linezolid when vancomycin fails for device-related and neurosurgical CNS infections.
Area of Science:
- Infectious Diseases
- Neurosurgery
- Microbiology
Background:
- Device-related and neurosurgical central nervous system (CNS) infections pose significant clinical challenges.
- Gram-positive organisms are increasingly implicated in these complex infections.
- Current treatment guidelines offer limited options when standard vancomycin therapy fails or is not tolerated.
Purpose of the Study:
- To review and evaluate alternative antibiotic therapies for Gram-positive CNS infections.
- To provide interpretations of existing data on alternative agents.
- To briefly introduce emerging therapies with potent Gram-positive activity.
Main Methods:
- Literature review of alternative therapies for CNS infections.
- Focus on agents such as linezolid, quinupristin/dalfopristin, daptomycin, and tigecycline.
- Inclusion of emerging drugs like ortavancin, telavancin, dalbavancin, ceftobiprole, and iclaprim.
Main Results:
- The review evaluates the efficacy and limitations of current alternative therapies.
- Interpretations of available data guide clinical decision-making.
- Emerging agents show promise for future treatment strategies.
Conclusions:
- There is a need for effective treatment options beyond vancomycin for resistant Gram-positive CNS infections.
- Alternative agents provide valuable options for refractory or intolerant cases.
- Future therapies are under development to address evolving resistance patterns.
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