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Pharmacokinetics of antimicrobial agents
Infection Control : IC
|February 1, 1984
Summary
Formulas and nomograms cannot replace drug level measurements. Always use the best strategies and measure serum levels for critical drug dosing, especially with narrow therapeutic margins or uncertain drug kinetics.
Area of Science:
- Pharmacology
- Clinical Pharmacy
- Drug Monitoring
Background:
- Formulas and nomograms are tools for estimating drug doses.
- Accurate drug dosing is crucial for patient safety and treatment efficacy.
Observation:
- Formulas and nomograms are not substitutes for direct measurement of drug levels.
- Serum drug level monitoring is essential for specific patient populations and drug types.
Findings:
- Best available strategies must be employed for selecting loading and maintenance doses.
- Serum levels are mandatory for drugs with narrow therapeutic margins.
- Monitoring is required for long-term drug administration and when drug kinetics are uncertain.
Implications:
- Clinical decisions should prioritize empirical measurement over reliance on predictive formulas alone.
- This approach ensures optimal therapeutic outcomes and minimizes toxicity risks.
- Guidelines for drug level monitoring should be strictly adhered to in critical care settings.