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Routine daily chest radiographs in ventilated, very low birth weight infants
A Greenough1, G Dimitriou, B R Alvares
1Children Nationwide Regional Neonatal Intensive Care Centre, King's College Hospital, London, UK. anne.greenough@kcl.ac.uk
Insights
Routine daily chest X-rays for very low birth weight (VLBW) infants on ventilators reveal new abnormalities in 50% of cases. This information is crucial for patient care during the acute phase of respiratory illness.
Area of Science:
- Neonatal Medicine
- Pediatric Radiology
- Respiratory Medicine
Background:
- Mechanical ventilation is critical for very low birth weight (VLBW) infants with respiratory distress.
- Close monitoring of these vulnerable infants is essential for timely intervention.
- Chest radiography is a standard imaging modality in neonatal intensive care units.
Purpose of the Study:
- To determine the frequency of new abnormalities on daily chest radiographs in VLBW infants receiving mechanical ventilation.
- To identify the types and timing of these new abnormalities during the acute phase of illness.
- To evaluate the clinical significance of routine daily chest radiographs in this population.
Main Methods:
- Retrospective review of daily chest radiographs from VLBW infants requiring mechanical ventilation.
- Inclusion criteria: at least three daily radiographs during the acute illness stage.
- Comparison of subsequent radiographs with the initial radiograph to identify new abnormalities, including tube malposition, pulmonary interstitial emphysema, pleural effusion, pulmonary edema, lobar collapse, or consolidation.
Main Results:
- A total of 100 radiographs from 30 VLBW infants (median gestational age 27 weeks) were analyzed.
- New abnormalities were detected in 24 infants (80%) and were present on 50% of the examined radiographs.
- The most frequent new abnormalities included pulmonary interstitial emphysema, lobar collapse, and consolidation.
Conclusions:
- Routine daily chest radiographs in mechanically ventilated VLBW infants during the acute stage of respiratory illness frequently reveal new abnormalities.
- These findings provide valuable information that can impact patient care and management decisions.
- Daily radiographic monitoring is a useful tool for assessing the respiratory status of critically ill VLBW neonates.
Abstract:
The aim of this study was to assess the frequency of new abnormalities on routine chest radiographs of ventilated, very low birth weight (VLBW) infants during the acute stage of their illness. Infants were identified who had had at least three daily routine chest radiographs. The appearance of their subsequent radiographs was compared to that obtained on the 1st day of ventilatory support and the timing of new abnormalities (malposition of the endotracheal or nasogastric tube, pulmonary interstitial emphysema, pleural effusion, pulmonary oedema, lobar collapse or consolidation) noted. A total of 100 radiographs were examined from 30 VLBW infants, median gestational age 27 weeks (range 23-32 weeks). New abnormalities were present on the radiographs of 24 infants and on 50% of the radiographs examined. The commonest abnormalities noted were pulmonary interstitial emphysema, collapse and consolidation. Conclusion. Routine daily chest radiographs in mechanically ventilated, very low birth weight infants during the acute stage of their respiratory illness can yield new information important in patient care, new abnormalities being demonstrated in 50% of radiographs examined.