期刊
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE
卷 7, 期 6, 页码 1868-+出版社
ELSEVIER
DOI: 10.1016/j.jaip.2019.02.029
关键词
Asthma; Exacerbation; Metabolic dysfunction; Diabetes; Prediabetes; Hemoglobin A1c; Administrative; Claims
资金
- National Institute of Environmental Health Sciences [F32ES028578, R01ES026170, P50ES018176]
- National Institute of Allergy and Infectious Diseases [K24AI120834]
- National Center for Advancing Translational Sciences [KL2TR001077]
- United States Environmental Protection Agency [83615201]
BACKGROUND: Metabolic dysfunction may contribute to worsened asthma in obesity. The relationship between prediabetes and diabetes, metabolic conditions more common in obesity, and asthma outcomes is not well characterized. OBJECTIVE: We sought to determine the association between prediabetes/diabetes and asthma exacerbations in an obese asthma cohort. METHODS: A retrospective cohort of US obese adults with asthma, aged 18-64, was created from a claims-based health services database spanning 2010 to 2015. Individuals with a hemoglobin Alc (HbA1c) measurement were identified, categorized as within normal (<5.6%), prediabetes (5.7% to 6.4%), and diabetes (>= 6.5%) ranges. Exacerbations, defined as asthmarelated hospitalization, emergency department visit, or corticosteroid prescription +/- 14 days of an asthma-related outpatient visit, were ascertained. Associations were fit with zero-inflated negative binomial models, adjusted for age, sex, region, smoking, medication use, and comorbidities. RESULTS: A total of 5722 individuals were identified. Higher HgbA1c was associated with higher asthma exacerbation rates. In the fully adjusted model, compared with individuals with normal HbA1c, those in the prediabetes range had a 27% higher rate (95% confidence interval [CI], 5% to 52%), and those in the diabetes range had a 33% higher rate (95% CI, 2% to 73%). CONCLUSIONS: Prediabetes and diabetes were associated with higher rates of asthma exacerbation among obese adults with asthma. Results support evidence that insulin resistance and metabolic syndrome, metabolic features common in prediabetes/diabetes, can influence asthma morbidity. (C) 2019 American Academy of Allergy, Asthma & Immunology
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