Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology · 2023
Long-term clinical outcomes of aspirin-exacerbated respiratory disease: Real-world data from an adult asthma cohort.
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Lee Youngsoo, Kim Chungsoo, Lee Eunyoung, Lee Hyun Young, Woo Seong-Dae, You Seng Chan, Park Rae Woong, Park Hae-Sim
Аннотация
BACKGROUND: Aspirin-exacerbated respiratory disease (AERD) is a phenotype of severe asthma, but its disease course has not been well documented compared with that of aspirin-tolerant asthma (ATA).
OBJECTIVES: This study aimed to investigate the long-term clinical outcomes between AERD and ATA.
METHODS: AERD patients were identified by the diagnostic code and positive bronchoprovocation test in a real-world database. Longitudinal changes in lung function, blood eosinophil/neutrophil counts, and annual numbers of severe asthma exacerbations (AEx) were compared between the AERD and the ATA groups. Within a year after baseline, two or more severe AEx events indicated severe AERD, whereas less than two AEx events indicated nonsevere AERD.
RESULTS: Among asthmatics, 353 had AERD in which 166 and 187 patients had severe and nonsevere AERD, respectively, and 717 had ATA. AERD patients had significantly lower FEV1%, higher blood neutrophil counts, and higher sputum eosinophils (%) (all p < .05) as well as higher levels of urinary LTE4 and serum periostin, and lower levels of serum myeloperoxidase and surfactant protein D (all p < .01) than those with ATA. In a 10-year follow-up, the severe AERD group maintained lower FEV1% with more severe AEs than the nonsevere AERD group.
CONCLUSION AND CLINICAL RELEVANCE: We demonstrated that AERD patients presented poorer long-term clinical outcomes than ATA patients in real-world data analyses.
OBJECTIVES: This study aimed to investigate the long-term clinical outcomes between AERD and ATA.
METHODS: AERD patients were identified by the diagnostic code and positive bronchoprovocation test in a real-world database. Longitudinal changes in lung function, blood eosinophil/neutrophil counts, and annual numbers of severe asthma exacerbations (AEx) were compared between the AERD and the ATA groups. Within a year after baseline, two or more severe AEx events indicated severe AERD, whereas less than two AEx events indicated nonsevere AERD.
RESULTS: Among asthmatics, 353 had AERD in which 166 and 187 patients had severe and nonsevere AERD, respectively, and 717 had ATA. AERD patients had significantly lower FEV1%, higher blood neutrophil counts, and higher sputum eosinophils (%) (all p < .05) as well as higher levels of urinary LTE4 and serum periostin, and lower levels of serum myeloperoxidase and surfactant protein D (all p < .01) than those with ATA. In a 10-year follow-up, the severe AERD group maintained lower FEV1% with more severe AEs than the nonsevere AERD group.
CONCLUSION AND CLINICAL RELEVANCE: We demonstrated that AERD patients presented poorer long-term clinical outcomes than ATA patients in real-world data analyses.