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- Title
Application of Antibiotic Pharmacodynamics and Dosing Principles in Patients With Sepsis.
- Authors
Droege, Molly E.; Van Fleet, Suzanne L.; Mueller, Eric W.
- Abstract
Sepsis is associated with marked mortality, which may be reduced by prompt initiation of adequate, appropriate doses of antibiotic. Critically ill patients often have physiological changes that reduce blood and tissue concentrations of antibiotic and high rates of multidrug-resistant pathogens, which may affect patients' outcomes. All critical care professionals, including critical care nurses, should understand antibiotic pharmacokinetics and pharmacodynamics to ensure sound antibiotic dosing and administration strategies for optimal microbial killing and patients' outcomes. Effective pathogen eradication occurs when the dose of antibiotic reaches or maintains optimal concentrations relative to the minimum inhibitory concentration for the pathogen. Time-dependent antibiotics, such as β-lactams, can be given as extended or continuous infusions. Concentration-dependent antibiotics such as amino-glycosides are optimized by using high, once-daily dosing strategies with serum concentration monitoring. Vancomycin and fluoroquinolones are dependent on both time and concentration above the minimum inhibitory concentration.
- Subjects
AMINOGLYCOSIDES; ANTIBIOTICS; BETA lactam antibiotics; CRITICALLY ill; INTENSIVE care nursing; INTRAVENOUS therapy; PATIENTS; SEPSIS; VANCOMYCIN; CONTINUING education units; FLUOROQUINOLONES; PHARMACODYNAMICS
- Publication
Critical Care Nurse, 2016, Vol 36, Issue 2, p22
- ISSN
0279-5442
- Publication type
Article
- DOI
10.4037/ccn2016881