Abstract
The association between sinonasal and pulmonary symptoms in aspirin-exacerbated respiratory disease is not fully established. To characterize sinonasal and asthma symptomatology, and to determine whether reported sinonasal symptoms predict asthma severity. Prospectively collected data from an aspirin-exacerbated respiratory disease registry cohort were included from 2013 to 2018. Sinonasal symptomatology measured by Sino-Nasal Outcomes Test (SNOT) 22-item total scores was used as the predictor variable, with Asthma Control Test (ACT) scores and percent predicted FEV1 (FEV1% predicted) as primary outcomes. All instances of paired data on the same date were used. ACT score was also evaluated with FEV1% predicted as the outcome. Mixed effects regression was completed. From 1065 aspirin-exacerbated respiratory disease registry subjects (mean age, 48.1 ± 12.8 years; 68.0% females, 29.8% males), mean SNOT-22 score was 42.3 ± 24.12 (n= 1307 observations from 869 subjects), mean ACT score was 19.4 ± 5.2 (n= 1511 observations from 931 subjects), and mean FEV1% predicted was 82.8 ± 19.6 (n= 777 observations from 307 subjects). SNOT-22 score significantly predicted ACT scores (P < .0001, 1185 paired observations from 845 subjects) and FEV1% predicted (P= .018, 485 observations from 246 subjects). Any 10-point increase in SNOT-22 score was associated with a 0.87-point decrease in ACT score and a 0.75% decrease in FEV1% predicted. Any 1-point increase in ACT score was associated with a 1.0% increase in FEV1% predicted (P < .0001, 616 observations from 269 subjects). The most severe SNOT-22 symptoms were sense of smell/taste and blockage/congestion of nose. SNOT-22 scores significantly predict ACT scores and FEV1% predicted, and ACT scores significantly predict FEV1% predicted. This study demonstrates an association between patient-reported rhinosinusitis and asthma symptom severity and subjective and objective measures of asthma severity.
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