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National Institute of Environmental Health Sciences

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Publication Detail

Title: Association Between Prediabetes/Diabetes and Asthma Exacerbations in a Claims-Based Obese Asthma Cohort.

Authors: Wu, Tianshi David; Brigham, Emily P; Keet, Corinne A; Brown, Todd T; Hansel, Nadia N; McCormack, Meredith C

Published In J Allergy Clin Immunol Pract, (2019)

Abstract: 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.We sought to determine the association between prediabetes/diabetes and asthma exacerbations in an obese asthma cohort.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 A1c (HbA1c) measurement were identified, categorized as within normal (<5.6%), prediabetes (5.7% to 6.4%), and diabetes (≥6.5%) ranges. Exacerbations, defined as asthma-related 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.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%).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.

PubMed ID: 30857941 Exiting the NIEHS site

MeSH Terms: Adolescent; Adrenal Cortex Hormones/therapeutic use; Adult; Aged; Asthma/blood; Asthma/drug therapy; Asthma/epidemiology*; Cohort Studies; Diabetes Mellitus/blood; Diabetes Mellitus/epidemiology*; Disease Progression; Female; Glycated Hemoglobin/analysis; Humans; Male; Middle Aged; Obesity/blood; Obesity/epidemiology*; Risk Factors; Young Adult

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