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Updated: May 24, 2026

Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
Published on: August 30, 2018
Antibiotic use and misuse in the neonatal intensive care unit
Nidhi Tripathi1, C Michael Cotten, P Brian Smith
1Duke University Medical Center, Durham, NC 27710, USA.
Insights
Neonatal sepsis, a major threat to preterm infants, requires prompt antibiotic treatment. Shorter courses of narrow-spectrum antibiotics are recommended to minimize adverse effects while effectively treating suspected infections.
Area of Science:
- Neonatal Medicine
- Infectious Diseases
- Pharmacology
Background:
- Neonatal sepsis poses a significant threat to infant health, particularly in premature infants.
- Empiric antibiotic treatment is standard practice but carries risks of adverse outcomes.
- Common neonatal pathogens are often susceptible to narrow-spectrum antibiotics.
Purpose of the Study:
- To evaluate the optimal antibiotic strategy for neonatal sepsis.
- To identify factors influencing empiric antibiotic choice and duration.
- To balance the risks of untreated sepsis against antibiotic-related adverse effects.
Main Methods:
- Review of clinical guidelines and treatment protocols for neonatal sepsis.
- Analysis of antibiotic susceptibility patterns for common neonatal pathogens.
- Correlation of treatment choices with center-based risk factors.
Main Results:
- Broad-spectrum and prolonged empiric antibiotic use are linked to negative outcomes.
- Narrow-spectrum antibiotics are effective against most common neonatal pathogens.
- Antibiotic selection and treatment duration are influenced by institutional factors.
Conclusions:
- Short courses of narrow-spectrum antibiotics should be prioritized for neonatal sepsis when clinically appropriate.
- Treatment decisions must weigh the risks of undertreatment against the harms of antibiotic exposure.
- Optimizing empiric antibiotic therapy can improve outcomes for infants with suspected sepsis.
Abstract:
Neonatal sepsis causes significant morbidity and mortality, especially in preterm infants. Clinicians are compelled to treat with empiric antibiotics at the first signs of suspected sepsis. Broad-spectrum antibiotics and prolonged treatment with empiric antibiotics are associated with adverse outcomes. Most common neonatal pathogens are susceptible to narrow-spectrum antibiotics. The choice of antibiotic and duration of empiric treatment are strongly associated with center-based risk factors. Clinicians should treat with short courses of narrow-spectrum antibiotics whenever possible, choosing the antibiotics and treatment duration to balance the risks of potentially untreated sepsis against the adverse effects of treatment in infants with sterile cultures.
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