Background: Older age and comorbidities are the main risk factors for adverse COVID-19 outcomes in patients with inflammatory bowel disease (IBD). The impact of IBD medications is still under investigation. Aims: To assess risk factors for adverse outcomes of COVID-19 in IBD patients and use the identified risk factors to build risk indices. Methods: Observational cohort study. Univariable and multivariable logistic regression was used to identify risk factors associated with pneumonia, hospitalisation, need for ventilatory support, and death. Results: Of the 937 patients (446 with ulcerative colitis [UC]) evaluated, 128 (13.7%) had asymptomatic SARS-CoV-2 infection, 664 (70.8%) had a favourable course, and 135 (15.5%) had moderate or severe COVID-19. In UC patients, obesity, active disease and comorbidities were significantly associated with adverse outcomes. In patients with Crohn's disease (CD), age, obesity, comorbidities and an additional immune-mediated inflammatory disease were identified as risk factors. These risk factors were incorporated into two indices to identify patients with UC or CD with a higher risk of adverse COVID-19 outcomes. In multivariable analyses, no single IBD medication was associated with poor COVID-19 outcomes, but anti-TNF agents were associated with a lower risk of pneumonia in UC, and lower risks of hospitalisation and severe COVID-19 in CD. Conclusion: The course of COVID-19 in patients with IBD is similar to that in the general population. IBD patients with active disease and comorbidities are at greater risk of adverse COVID-19 outcomes. IBD medications do not pose additional risks. The risk indices may help to identify patients who should be prioritised for COVID-19 re-vaccination or for therapies for SARS-CoV-2 infection.
Bezzio, C., Armuzzi, A., Furfaro, F., Ardizzone, S., Milla, M., Carparelli, S., Orlando, A., Caprioli, F. A., Castiglione, F., Vigano, C., Ribaldone, D. G., Zingone, F., Monterubbianesi, R., Imperatore, N., Festa, S., Daperno, M., Scucchi, L., Ferronato, A., Pastorelli, L., Balestrieri, P., Ricci, C., Cappello, M., Felice, C., Fiorino, G., Saibeni, S., Coppini, F., Alvisi, P., Gerardi, V., Variola, A., Mazzuoli, S., Lenti, M. V., Pugliese, D., Allocca, M., Ferretti, F., Roselli, J., Bossa, F., Giuliano, A., Piazza, N., Manes, G., Sartini, A., Buda, A., Micheli, F., Ciardo, V., Casella, G., Viscido, A., Bodini, G., Casini, V., Soriano, A., Amato, A., Grossi, L., Onali, S., Rottoli, M., Spagnuolo, R., Baroni, S., Cortelezzi, C. C., Baldoni, M., Vernero, M., Scaldaferri, F., Maconi, G., Guarino, A. D., Palermo, A., D'Inca, R., Scribano, M. L., Biancone, L., Carrozza, L., Ascolani, M., Costa, F., Di Sabatino, A., Zammarchi, I., Gottin, M., Conforti, F. S., Therapies for inflammatory bowel disease do not pose additional risks for adverse outcomes of SARS-CoV-2 infection: an IG-IBD study, <<ALIMENTARY PHARMACOLOGY & THERAPEUTICS>>, 2021; 54 (11-12): 1432-1441. [doi:10.1111/apt.16663] [http://hdl.handle.net/10807/204123]
Therapies for inflammatory bowel disease do not pose additional risks for adverse outcomes of SARS-CoV-2 infection: an IG-IBD study
Armuzzi, A.;Orlando, A.;Felice, C.;Pugliese, D.;Allocca, M.;Ferretti, F.;Giuliano, A.;Buda, A.;Casella, G.;Onali, S.;Spagnuolo, R.;Baroni, S.;Baldoni, M.;Scaldaferri, F.;
2021
Abstract
Background: Older age and comorbidities are the main risk factors for adverse COVID-19 outcomes in patients with inflammatory bowel disease (IBD). The impact of IBD medications is still under investigation. Aims: To assess risk factors for adverse outcomes of COVID-19 in IBD patients and use the identified risk factors to build risk indices. Methods: Observational cohort study. Univariable and multivariable logistic regression was used to identify risk factors associated with pneumonia, hospitalisation, need for ventilatory support, and death. Results: Of the 937 patients (446 with ulcerative colitis [UC]) evaluated, 128 (13.7%) had asymptomatic SARS-CoV-2 infection, 664 (70.8%) had a favourable course, and 135 (15.5%) had moderate or severe COVID-19. In UC patients, obesity, active disease and comorbidities were significantly associated with adverse outcomes. In patients with Crohn's disease (CD), age, obesity, comorbidities and an additional immune-mediated inflammatory disease were identified as risk factors. These risk factors were incorporated into two indices to identify patients with UC or CD with a higher risk of adverse COVID-19 outcomes. In multivariable analyses, no single IBD medication was associated with poor COVID-19 outcomes, but anti-TNF agents were associated with a lower risk of pneumonia in UC, and lower risks of hospitalisation and severe COVID-19 in CD. Conclusion: The course of COVID-19 in patients with IBD is similar to that in the general population. IBD patients with active disease and comorbidities are at greater risk of adverse COVID-19 outcomes. IBD medications do not pose additional risks. The risk indices may help to identify patients who should be prioritised for COVID-19 re-vaccination or for therapies for SARS-CoV-2 infection.
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