Journal
PEDIATRIC PULMONOLOGY
Volume 57, Issue 6, Pages 1447-1455Publisher
WILEY
DOI: 10.1002/ppul.25887
Keywords
multidisciplinary clinic; severe asthma; severe childhood asthma
Categories
Funding
- National Heart, Lung, and Blood Institute [HL149693]
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This study reviewed the electronic health records of a severe asthma clinic in a children's hospital, finding that children with severe asthma had high morbidity and healthcare utilization. The study also showed that patients with a history of hospital admissions for asthma were more likely to be nonwhite and highly atopic and have lower lung function. Following enrollment in a multidisciplinary clinic, the frequency of severe exacerbations decreased.
Background Children with severe asthma have substantial morbidity and healthcare utilization. Pediatric severe asthma is a heterogeneous disease, and a multidisciplinary approach can improve the diagnosis and management of these children. Methods We reviewed the electronic health records for patients seen in the Severe Asthma Clinic (SAC) at UPMC Children's Hospital of Pittsburgh between August 2012 and October 2019. Results Of the 110 patients in whom we extracted data, 46% were female, 48% were Black/African American, and 41% had >= 1 admission to the pediatric intensive care unit (PICU) for asthma. Compared to patients without a PICU admission, those with >= 1 PICU admission were more likely to be non-White (64.4% vs. 41.5%, p = 0.031) and more atopic (eosinophil count geometric mean = 673 vs. 319 cells/mm(3), p = 0.002; total IgE geometric mean = 754 vs. 303 KU/L, p = 0.003), and to have lower pre-bronchodilator FEV1 (58.6% [+/- 18.1%] vs. 69.9% [+/- 18.7%], p = 0.002) and elevated FeNO (60% vs. 22%, p = 0.02). In this cohort, 84% of patients were prescribed high-dose ICS/LABA and 36% were on biologics. Following enrollment in the SAC, severe exacerbations decreased from 3.2/year to 2.2/year (p < 0.0001); compared to the year before joining the SAC, in the following year the group had 106 fewer severe exacerbations. Conclusions This large cohort of children with severe asthma had a high level of morbidity and healthcare utilization. Patients with a history of PICU admissions for asthma were more likely to be nonwhite and highly atopic, and to have lower lung function. Our data support a positive impact of a multidisciplinary clinic on patients with severe childhood asthma.
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