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The changing epidemiology of the bronchiolitis epidemic in Tallaght Hospital

G O'Connor, M Tariq, P Greally

    Irish Medical Journal
    |March 4, 2014
    PubMed

    Insights

    Bronchiolitis incidence significantly increased in Irish infants during 2011-2012. This study analyzed 1,202 admissions, noting a peak in December and a mean stay of 2.92 days.

    Area of Science:

    • Pediatrics
    • Epidemiology
    • Public Health

    Background:

    • Bronchiolitis is a common respiratory infection affecting infants, with significant seasonal variation.
    • This study examines bronchiolitis admissions at Tallaght Hospital over five years to understand trends in an Irish population.
    • A total of 1,202 admissions were analyzed, focusing on demographics, seasonality, and length of stay.

    Discussion:

    • A notable 102% increase in bronchiolitis incidence was observed in early 2011-2012 compared to the preceding four years (p=0.0469).
    • Comparable data from Our Lady's Children's Hospital, Crumlin, supports the observed shift in bronchiolitis timing and incidence.
    • Potential contributing factors such as Respiratory Syncytial Virus (RSV) seasonality, climatic influences, and vaccination programs were explored.

    Key Insights:

    • Bronchiolitis admissions demonstrated a significant increase in incidence and a shift in timing within the analyzed Irish population.
    • The busiest month for admissions was December, accounting for 24.20% of cases.
    • The average length of hospital stay was 2.92 days, with males comprising 62% of admissions.

    Outlook:

    • Further research is warranted to elucidate the specific drivers behind the changing epidemiology of bronchiolitis.
    • Monitoring RSV trends and environmental factors remains crucial for predicting and managing future outbreaks.
    • Understanding these shifts can inform public health strategies and resource allocation for pediatric respiratory illnesses.

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