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Updated: Jan 23, 2026

A Neonatal Imaging Model of Gram-Negative Bacterial Sepsis
Published on: August 12, 2020
Can Early Changes in Vital signs Predict Duration of Antibiotic Therapy in Suspected Neonatal Sepsis?
M McGovern1,2, P Morrissey1,2, E Ryan1,2
1Department of Paediatrics and Neonatology University College Hospital Galway
Insights
Vital sign monitoring, particularly respiratory rate, can help predict which infants in the Neonatal Intensive Care Unit (NICU) will need prolonged antibiotic therapy for suspected sepsis.
Area of Science:
- Neonatal Medicine
- Infectious Diseases
- Pediatric Critical Care
Background:
- Suspected sepsis is a primary reason for Neonatal Intensive Care Unit (NICU) admissions.
- Infants often receive 48-72 hours of empirical antibiotic treatment.
- Predicting which neonates require prolonged antibiotic therapy early in treatment is challenging.
Purpose of the Study:
- To evaluate if initial vital sign measurements can predict prolonged antibiotic therapy needs in term and late-preterm infants.
- To identify specific vital signs that correlate with the duration of antibiotic treatment in neonates.
Main Methods:
- Retrospective data collection over one year for neonates admitted for antibiotic treatment.
- Classification of infants into standard (<48 hours) and prolonged (>48 hours) antibiotic therapy groups.
- Analysis of vital sign measurements, including respiratory rate, at admission and 12 hours post-therapy initiation.
Main Results:
- Respiratory rate on admission and 12 hours after therapy initiation showed a significant correlation with antibiotic duration.
- Infants requiring prolonged therapy were more likely to exhibit one or more abnormal vital signs 12 hours post-treatment initiation (p<0.05).
- A weak positive correlation was observed between respiratory rate and antibiotic duration.
Conclusions:
- Abnormal vital signs 12 hours after initiating antibiotic therapy are associated with prolonged treatment requirements.
- Respiratory rate changes may serve as an indicator for predicting the need for extended antibiotic therapy in neonates.
- Vital sign monitoring offers a potential tool for early detection of infants requiring prolonged antibiotic courses.
Abstract:
Aims Suspected sepsis remains a leading causes of Neonatal Intensive Care Unit admission, with infants often receiving 48-72 hours of empirical antibiotic therapy. Early in treatment it is difficult to predict infants who will require prolonged antibiotic therapy. Our aim was to assess if vital sign measurements in the initial period of treatment can predict those neonates requiring prolonged antibiotic therapy in term and late-preterm infants. Methods Data was retrospectively collected over 1 year on neonates admitted to our institute for antibiotics. Infants were classified as standard (<48hours duration) or prolonged (>48hours duration) antibiotic therapy. Results Respiratory rate on admission and 12 hours after initiation of therapy correlated significantly with duration of antibiotic therapy and infants requiring prolonged therapy were more likely to have one or more abnormal vital signs 12 hours after initiation of treatment (p<0.05). Conclusion Respiratory rate shows a weak positive correlation with antibiotic duration. Infants requiring prolonged therapy were more likely to have abnormal vital signs 12 hours after initiating antibiotic therapy. Changes in vital signs maybe useful in detecting infants who will require prolonged antibiotic therapy.
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