Objectives
Data on SARS-CoV-2 disease (COVID-19) in adult coeliac disease (CD) are lacking. The aim of the present study is to evaluate the epidemiology and clinical features of COVID-19 in adult coeliac patients regularly followed-up at our centre since January 2015.
Methods
Data about general health status and clinical features of laboratory-confirmed COVID-19 were prospectively collected over the phone. Data about CD were retrospectively collected from clinical notes. Prevalence and incidence of COVID-19 were compared between the coeliac cohort and the figures in the general population of Lombardy, Northern Italy between 20 February to 5 June 2020 provided by the Italian National Institute of Health (Istituto Superiore di Sanità) and the Lombardy regional government.
Results
Nine out of 324 patients contracted COVID-19, thus resulting in a prevalence of 2.78% [95% confidence interval (CI) 0.98–4.58] and an incidence rate of 8.15/1000 person-month (95% CI 4.24–15.66). Prevalence of COVID-19 ascertained by means of nasal swab was 1.79% (95% CI 0.22–3.35) and the incidence rate 5.26/1000 person-month (95% CI 2.19–12.63), without difference from the general population. Clinical type of CD, age, sex, duration and adherence to a gluten-free diet, and mucosal healing did not differ between coeliac patients with and without COVID-19. None of the 9 patients with COVID-19 required hospitalization.
Conclusion
Patients with CD do not seem to carry an increased risk of COVID-19 compared to the general population and their disease course is mild.
ObjectiveBile acid diarrhea is a form of chronic diarrhea caused by excessive bile reaching the colon. Conditions involving the terminal ileum and cholecystectomy are predisposing factors but an idiopathic form of bile acid diarrhea has also been described. In this study we aimed to evaluate the prevalence of bile acid diarrhea in patients consecutively evaluated for chronic diarrhea in an Outpatient Gastroenterology Clinic.MethodsMedical records of all patients admitted for chronic diarrhea (>4 weeks) between June 2018 and April 2019 were retrospectively reviewed. Bile acid diarrhea was suspected in patients with ileal disease, cholecystectomy or post‐prandial diarrhea. Patients’ age at diagnosis, sex, presenting symptoms, results of main test and examinations, final diagnoses and date of last follow‐up visit were also collected. Exclusion of chronic diarrhea of other causes and a 6‐month clinical improvement with cholestyramine treatment confirmed the diagnosis of bile acid diarrhea.ResultsIn total, 139 patients aged 46 ± 20 years (76 women and 63 men) were included. Diarrhea due to an organic cause was diagnosed in 16 patients. A clinical response to cholestyramine persisting for more than 6 months led to a diagnosis of bile acid diarrhea in 39 (aged 52 ± 19 years) out of the remaining 123 patients with functional forms of diarrhea. Therefore, the prevalence of bile acid diarrhea was 28.1% (95% confidence interval 19.9%‐38.4%) in patients with chronic diarrhea.ConclusionsBile acid diarrhea is a very common, yet under‐recognized cause of chronic functional diarrhea. A therapeutic trial of cholestyramine is a valid diagnostic strategy.
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