Related Experiment Video
Updated: May 12, 2026
11:17
Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
Published on: August 30, 2018
Antibiotic use in serious infections
Lauren Kolodziej1, Sarah S Matuszak1, Scott T Micek2
1Department of Pharmacy, Barnes-Jewish Hospital.
Current Opinion in Critical Care
|May 10, 2026
Summary
Optimizing antibiotic selection, dosing, and de-escalation is crucial for critically ill patients. Evidence-based strategies improve outcomes against multidrug-resistant organisms.
Area of Science:
- Critical Care Medicine
- Infectious Diseases
- Pharmacology
Background:
- Critically ill patients frequently receive antibiotics.
- Antimicrobial resistance is a growing concern.
Purpose of the Study:
- Review empiric antibiotic selection.
- Discuss antibiotic dosing optimization.
- Examine antibiotic de-escalation strategies.
Main Methods:
- Literature review of current evidence.
- Focus on pharmacokinetic principles.
- Analysis of antimicrobial stewardship.
Main Results:
- Tailor empiric therapy to multidrug-resistant organism risk.
- Use single-agent broad-spectrum therapy, avoiding anaerobic agents unless indicated.
- Optimize pharmacokinetics with prolonged beta-lactam infusions and therapeutic drug monitoring.
- Implement antibiotic de-escalation based on diagnostics and clinical improvement.
- Limit antibiotic duration to 1 week or less post-de-escalation.
Conclusions:
- Evidence-based practices in antibiotic selection, dosing, and de-escalation are imperative.
- These strategies enhance patient outcomes.
- Essential for managing infections with multidrug-resistant organisms in critically ill patients.
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