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Deprivation, ethnicity and prematurity in infant respiratory failure in PICU in the UK
D R O'Donnell1, R C Parslow, E S Draper
1Cambridge University Clinical School, Department of Paediatrics, Addenbrooke's Hospital, Cambridge, UK. drod@addenbrookes.nhs.uk
Insights
Infant acute respiratory failure (ARF) drives unplanned intensive care admissions. While South Asian infants have lower bronchiolitis admissions, their overall mortality risk in pediatric intensive care (PIC) is higher, alongside risks from prematurity and deprivation.
Area of Science:
- Pediatric Intensive Care
- Epidemiology
- Respiratory Failure
Background:
- Acute respiratory failure (ARF) is a significant cause of infant hospitalizations.
- Understanding epidemiological trends in pediatric intensive care (PIC) admissions is crucial for resource allocation and targeted interventions.
Purpose of the Study:
- To describe the epidemiology of infants admitted to PIC with ARF, including bronchiolitis.
- To identify risk factors and outcomes associated with infant PIC admissions for ARF.
Main Methods:
- Retrospective analysis of 4641 infant admissions (2004-2007) to all 29 PICUs in England and Wales.
- Examined admission rates, risk-adjusted mortality, length of stay, ventilation, preterm birth, deprivation, and ethnicity.
Main Results:
- Infant ARF admission rate was 1.80 per 1000 infants/year.
- Preterm infants had higher admission rates and longer stays but similar mortality.
- South Asian infants showed reduced bronchiolitis PICU admissions but higher overall risk-adjusted mortality.
Conclusions:
- ARF is the primary driver of seasonal unplanned PIC admissions in infants.
- Socioeconomic deprivation and prematurity are significant risk factors for PIC admission.
- Ethnic disparities exist, with South Asian infants facing higher mortality risks despite lower bronchiolitis admission rates.
Aim:
To describe the epidemiology of infants admitted to Paediatric Intensive Care (PIC) with acute respiratory failure including bronchiolitis.
Methods:
Data from all consecutive admissions from 2004 to 2007 in all 29 designated Paediatric Intensive Care Units (PICUs) in England and Wales were collected. Admission rates, risk-adjusted mortality, length of stay, ventilation status, preterm birth, deprivation and ethnicity were studied.
Results:
A total of 4641 infants under 1 year of age had an unplanned admission to PIC with acute respiratory failure (ARF), an admission rate of 1.80 per 1000 infants per year. There was a reduced rate of admission with bronchiolitis in South Asian children admitted to PICU, which is not explained by case-mix. Children born preterm had a higher rate of admission and longer stay, but a similar low mortality. Risk-adjusted mortality was higher in South Asian infants and the highest in those with ARF (OR 1.76, 95% CI 1.20-2.57) compared with the rest of the PICU population.
Conclusion:
Acute respiratory failure in infants causes most of the seasonal variation in unplanned admission to intensive care. Socioeconomic deprivation and prematurity are additional risk factors for admission. Fewer South Asian infants are admitted to PICU with a diagnosis of bronchiolitis, but risk-adjusted mortality is higher in South Asian infants overall.
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