Abstract
Empyema is the most common complication of pediatric community-acquired pneumonia, posing a significant morbidity to children. Clinicians have observed an increase in empyema rates and acuity in the years following the COVID-19 pandemic. This retrospective analysis of children managed for empyema in a tertiary pediatric hospital, aimed to compare the incidence and describe the clinical characteristics prepandemic and postpandemic (2017-2023). There were 222 empyema cases, with a median age of 3 years (0.3-15 years). The majority (87.8%) of cases were managed with a chest drain and fibrinolytics. The remaining underwent minimally invasive video-assisted thoracoscopic surgery. Admissions postpandemic were associated with significantly longer lengths of stays (14 vs 12 days, P ≤ 0.001), higher rates of pediatric intensive care unit admissions (32% vs 26%, P = 0.045), and they required higher level of care (inotropes, noninvasive and invasive ventilation). There were also significantly higher rates of Streptococcus pyogenes (28% vs 7%, P ≤ 0.001), while rates of other organisms were not significantly different. We also noted a significant reduction in immunization rates post-pandemic (95.8% vs 83.1%, P < 0.01); however, there was no significant difference in S. pneumoniae serotypes between epochs. This study demonstrates an increased rate and severity of pediatric empyemas in the post-pandemic period. We propose that the increase was secondary to the increased rates of S. pyogenes seen in the postpandemic period. This rise in infection rates may be alleviated with nonpharmacologic measures aimed at reducing transmission; however, such measures are not sustainable and should be avoided.
Published Version
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