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Patient-Reported Sinonasal Symptoms and Risk of Relapse in Antineutrophil Cytoplasmic Antibody-Associated Vasculitis.
Arthritis Care & Research 2024 March 25
OBJECTIVE: Relapses are frequent and difficult to predict in antineutrophil cytoplasmic antibody-associated vasculitis (AAV), resulting in long-term use of immunosuppression. Although sinonasal disease is associated with relapse of AAV, detailed characterization of sinonasal symptoms is lacking. Using a patient-reported outcome, the 22-item SinoNasal Outcome Test (SNOT-22), we investigated the relationship between sinonasal symptoms and disease activity in AAV.
METHODS: This was a prospective, longitudinal study of individual with AAV and healthy individuals. Relapse was defined as a Birmingham Vasculitis Activity Score for Wegner's Granulomatosis score >0. Higher SNOT-22 scores indicate worse symptoms. Generalized estimating equation and Cox proportional hazard models evaluated the association between SNOT-22 and relapse.
RESULTS: There were 773 visits (106 active disease visits) from 168 patients with AAV and 51 controls. Median SNOT-22 at remission was higher in AAV versus controls (20 vs 5; P < 0.001) and higher during active disease versus remission (P < 0.001). In all AAV, and particularly within granulomatosis with polyangiitis, higher SNOT-22 scores were observed months to years before relapse and were associated with increased risk of relapse (hazard ratio 2.7, 95% confidence interval 1.2-6.2; P = 0.02). Similar findings were seen when examining patients with versus without sinonasal disease and after removing relapses limited to the ear, nose, and throat.
CONCLUSION: A patient-reported outcome measure of sinonasal disease, the SNOT-22, not only changes with disease activity in AAV, but also is associated with a higher risk of relapse within two years. These findings support the possibility that the SNOT-22 score may enhance prediction of relapse and that persistent sinonasal disease may be important in the pathophysiology of relapse.
METHODS: This was a prospective, longitudinal study of individual with AAV and healthy individuals. Relapse was defined as a Birmingham Vasculitis Activity Score for Wegner's Granulomatosis score >0. Higher SNOT-22 scores indicate worse symptoms. Generalized estimating equation and Cox proportional hazard models evaluated the association between SNOT-22 and relapse.
RESULTS: There were 773 visits (106 active disease visits) from 168 patients with AAV and 51 controls. Median SNOT-22 at remission was higher in AAV versus controls (20 vs 5; P < 0.001) and higher during active disease versus remission (P < 0.001). In all AAV, and particularly within granulomatosis with polyangiitis, higher SNOT-22 scores were observed months to years before relapse and were associated with increased risk of relapse (hazard ratio 2.7, 95% confidence interval 1.2-6.2; P = 0.02). Similar findings were seen when examining patients with versus without sinonasal disease and after removing relapses limited to the ear, nose, and throat.
CONCLUSION: A patient-reported outcome measure of sinonasal disease, the SNOT-22, not only changes with disease activity in AAV, but also is associated with a higher risk of relapse within two years. These findings support the possibility that the SNOT-22 score may enhance prediction of relapse and that persistent sinonasal disease may be important in the pathophysiology of relapse.
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