Abstract
BackgroundOur aims were: 1.) to compare the characteristics of SARS-CoV-2 infection in IBD patients in the second and third wave with respect to the results published in our site in the first wave (I. Guerra et al. Inflamm Bowel Dis. 2021 Jan 1;27(1):25–33) and 2.) to compare the date of the second and third wave with data of general population from the Autonomous Community of MadridMethodsCohort, observational study in IBD patients followed in our IBD Unit with SARS-CoV-2 infection between March 2020 and May 2020 (first wave) and between July 2020 to March 2021 (second-third wave). All data were collected by telephone interview and reviewing the electronical medical recordsResultsThe demographic characteristics of the patients included are shown in Table 1.Table 1.First Wave(Nº of cases 28/805)Second-Third wave(Nº of cases 51/805)P-ValueMean age55±14 y45±13 y 0.004 Gender (female)13 (46.4%)29 (56.9%)0.61Type of IBD (Crohn’s disease)11 (39.3%)29 (56.9%)0.38Smoking (Yes)1 (3.6%)12 (23.5%) 0.048 Cormobilities (Yes)17 (60.7%)15 (29.4%)0.09IMM treatment (Yes)10 (35.7%)19 (37.3%)0.92Anti-TNF treatment (Yes)5 (17.8%)15 (29.4%)0.27Regarding clinical features of SARS-CoV-2 infection in both group of patients are represented in Table 2.Table 2.First Wave(Nº of cases 28/805)Second-Third wave(Nº of cases 51/805)P-ValueDigestive symptoms14 (50.0%)22 (43.1%)0.64Cough21 (75.0%)13 (25.5%) 0.0096 Fever24 (85.7%)22 (43.1%)0.07Dyspnoea13 (46.4%)9 (17.6%) 0.045 Dysosmia/dysgeusia17 (60.7%)20 (39.2%)0.11Headache17 (60.7%)13 (25.5%) 0.04 Myalgia11(36.3%)10 (19.6%)0.15Severity (moderate-severe)15 (53.6%)6 (11.7%) 0.031 IUC admission1 (3.5%)0 (0%)0.18Mortality1 (3.5%)1 (2.0%)0.61Any treatment for COVID-19 infection (Yes)15 (53.6%)5 (9.8%) 0.0014 Temporary withdrawal of IBD treatment (Yes)13 (46.4%)6 (11.7%) 0.009 The severity of disease was not related to immunomodulators and/or biological treatments in both cohorts.The number of COVID-19 cases by date in our IBD Unit in comparison with the cases in the Community of Madrid are shown in the Figure 1. ConclusionThe patients diagnosed in the first wave were older and more symptomatic. Although the number of severe cases was higher in the first wave, influenced by the limited availability of tests in that period, no difference was found in mortality or in the percentage of ICU admissions.Severity of SARS-CoV-2 infection was not related to immunosuppression and in the second-third wave the IBD treatment was maintained more frequently.The distribution of cases in our series was in concordance with the data obtained in the general population.
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